WO2014046065A1 - 心筋・血管再生デバイスとしての重症心不全治療材 - Google Patents
心筋・血管再生デバイスとしての重症心不全治療材 Download PDFInfo
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- WO2014046065A1 WO2014046065A1 PCT/JP2013/074948 JP2013074948W WO2014046065A1 WO 2014046065 A1 WO2014046065 A1 WO 2014046065A1 JP 2013074948 W JP2013074948 W JP 2013074948W WO 2014046065 A1 WO2014046065 A1 WO 2014046065A1
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Definitions
- the present invention relates to a material for treating severe heart failure as a myocardial / vascular regenerating device, and more specifically, in the treatment of severe heart failure, myocardial / vascular regeneration by self-organization is possible in place of artificial heart, heart transplantation, and cell transplantation therapy.
- the present invention also relates to a material for treating severe heart failure as a myocardial / revascularization device.
- intractable cardiovascular diseases such as severe heart failure are one of the three major national diseases in Japan.
- Japan which has an unprecedented aging society, the number of patients with severe heart failure and severe aneurysms and the cost of treatment are expected to increase.
- Heart failure is the last fort in the heart disease area.
- CABG coronary revascularization
- Non-Patent Document 2 On the other hand, we realized high-cell-density myocardial tissue regeneration using tissue regeneration technology using our own autologous myoblast sheet. The pre-clinical study revealed the effect of improving cardiac function by the transplantation, and progressed to clinical trials. (Non-Patent Document 2).
- An object of the present invention is to solve the above-mentioned problems.
- the object of the present invention is to treat refractory cardiovascular diseases, particularly severe cases, in which improvement of patient QOL (Quality of Life) is an urgent issue as well as lifesaving.
- QOL Quality of Life
- An object of the present invention is to provide a material for the treatment of severe heart failure as a myocardial / revascularization device which improves self-organization and can be used in an emergency.
- PGs prostaglandins
- cAMP cyclic AMP
- the present invention is a material for treating severe heart failure comprising a drug, a drug holding agent, and a myocardial support device.
- the drug is an in vivo regenerative factor production inducer.
- the in vivo regenerative factor production inducer is a sustained release preparation.
- the drug retention agent is a sustained release formulation retention agent.
- the material for treating severe heart failure of the present invention comprises a sustained release preparation of an in vivo regeneration factor production inducer, a sustained release preparation-retaining agent, and a myocardial support device.
- the sustained release preparation of the in vivo regenerative factor production inducer constitutes a sheet or spray together with the sustained release preparation holding agent.
- the sustained release preparation of the in vivo regenerative factor production inducer is coated on the myocardial support device via the sustained release preparation holding agent.
- the sustained-release preparation-retaining agent is a bioabsorbable polymer.
- the bioabsorbable polymer is at least one polymer selected from the group consisting of fibrin, gelatin, collagen, and hyaluronic acid.
- the bioabsorbable polymer is at least one natural polymer selected from the group consisting of fibrin, atelocollagen and gelatin.
- the sustained release preparation of the bioregenerative factor production inducer is prepared using a biodegradable polymer.
- the in vivo regenerative factor production inducer is at least one selected from the group consisting of a prostaglandin I 2 agonist, an EP 2 agonist, and an EP 4 agonist.
- the prostaglandin I 2 agonist is of the following general formula (I):
- R 1 is a hydrogen atom or a C1-4 alkyl group
- R 2 represents (i) a hydrogen atom, (ii) a C1-8 alkyl group that may form a branch or a ring, (iii) a phenyl group or a C4-7 cycloalkyl group, and (iv) one nitrogen atom.
- R 3 represents (i) a C1-8 alkyl group which may form a branch or a ring, (ii) a phenyl group or a C4-7 cycloalkyl group, and (iii) a 4- to 7-membered single group containing one nitrogen atom.
- a ring (iv) a C1-4 alkyl group substituted with a benzene ring or a C4-7 cycloalkyl group, or (v) a C1-4 alkyl substituted with a 4-7 membered monocycle containing one nitrogen atom Group, e is an integer from 3 to 5, f is an integer from 1 to 3, p is an integer from 1 to 4, q is 1 or 2, and r is an integer from 1 to 3, provided that ,
- the prostaglandin I 2 agonist is (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl] -7,8-dihydro Naphthalen-1-yloxy] acetic acid or a salt thereof.
- the prostaglandin I 2 agonist is ( ⁇ )-(1R, 2R, 3aS, 8bS) -2,3,3a, 8b-tetrahydro-2-hydroxy-1-[(E)- (3S, 4RS) -3-Hydroxy-4-methyl-1-octene-6-ynyl] -1H-cyclopenta [b] benzofuran-5-butanoic acid or a salt thereof.
- the in vivo regenerative factor production inducer comprises (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl] -7,8-dihydro. [Naphthalen-1-yloxy] acetic acid sustained-release preparation.
- the in vivo regenerative factor production inducer comprises (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl] -7,8-dihydro. Naphthalen-1-yloxy] acetic acid microsphere (MS) formulation.
- the microsphere preparation comprises a biodegradable polymer such as polylactic acid, polyglycolic acid, lactic acid-glycolic acid copolymer or a mixture thereof, or a hydrogel.
- a biodegradable polymer such as polylactic acid, polyglycolic acid, lactic acid-glycolic acid copolymer or a mixture thereof, or a hydrogel.
- the biodegradable polymer comprises polylactic acid having a weight average molecular weight of 5,000 to 50,000, polyglycolic acid or lactic acid-glycolic acid copolymer or a mixture thereof, or a hydrogel. .
- the drug content in the microsphere preparation is 15 to 20%, and the average particle size is 25 to 36 ⁇ m.
- the myocardial support device is composed of at least one polymer selected from the group consisting of polyester, aromatic polyamide fiber, polyglycolic acid, polylactic acid, and polydioxanone.
- the myocardial support device is composed of at least one polymer selected from the group consisting of polyester or polyglycolic acid.
- the therapeutic agent for severe heart failure has an in vivo regenerative factor production inducer of (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl. ] -7,8-Dihydronaphthalen-1-yloxy] acetic acid microsphere formulation, sustained release formulation retention agent is fibrin, atelocollagen or gelatin, myocardial support device is polyester suture or polyglycolic acid suture It is configured.
- the therapeutic agent for severe heart failure of the present invention comprises (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl] -7,8-dihydro. Naphthalen-1-yloxy] acetic collagen sheet impregnated with microsphere preparation of acetic acid or gelatin sheet impregnated with the microsphere preparation, and myocardial support device composed of polyester suture or polyglycolic acid suture .
- the therapeutic agent for severe heart failure of the present invention comprises (E)-[5- [2- [1-phenyl-1- (3-pyridyl) methylideneaminooxy] ethyl] -7,8-dihydro.
- Naphthalen-1-yloxy] acetic acid aqueous solution containing microsphere preparation of acetic acid or gelatin aqueous solution or fibrin aqueous solution containing the microsphere preparation is spray-applied to myocardial support device composed of polyester suture or polyglycolic acid suture Configured.
- the material for treating severe heart failure of the present invention comprises dilated cardiomyopathy, severe ischemic cardiomyopathy, inflammatory myocarditis, chronic rejection associated with heart transplantation, congestive heart failure, right heart failure due to pulmonary hypertension, etc. Or used for the treatment of diastolic dysfunction.
- the material for treating severe heart failure according to the present invention is used for mounting outside the heart of a mammal.
- a compound that increases cAMP for example, one or more selected from prostaglandin (PG) I 2 agonists, EP 2 agonists, EP 4 agonists, various PDE inhibitors, and the like
- PG prostaglandin
- an in vivo regenerative factor production promoter for example, a sheet-form containing an MS sustained-release preparation of an OX derivative (for example, a compound represented by compound 1 described below), which is a PGI 2 agonist having a TXA 2 synthase inhibitory action, A film-form, powder-form, ointment-form, paste-form or sponge-form hydrogel was produced, and an integrated myocardial regeneration device was produced by combining these hydrogel materials.
- Bioabsorbable hydrogels are prepared using bioabsorbable polymers such as fibrin, gelatin, collagen, and hyaluronic acid that can be clinically applied. These materials are excellent in moldability and easy to crosslink by chemical modification, and have already been clinically applied as hemostatic agents. In addition, by changing the properties of these hydrogel materials, it is possible to change the in-vivo absorption period, to achieve a sustained release of the drug, and to adjust the cardiac application period.
- gelatin can be crosslinked by heating (for example, 120 to 150 ° C.), ultraviolet irradiation, ⁇ -ray irradiation, formaldehyde treatment, etc., and by incorporating a basic group or acidic group into the molecule, As such, it can be a sustained-release preparation such as a protein, a peptide, and a low molecular weight compound (WO 2004/082657, WO 2006/085653 and JP 2008-137975). Moreover, atelocollagen etc. which reduced antigenicity with respect to collagen can also be used.
- hydrogel materials are biocompatible, sheets, films, sponges, powders, gels, and various hearts that incorporate the OX derivative MS sustained-release preparation without impairing the biocompatibility of the device substrate It can be used as a coating retention agent for a morphological correction net (myocardial regeneration device).
- a gelatin sheet containing Compound 1MS in the form of a film is cast from an aqueous gelatin solution containing Compound 1MS.
- the sheet material is not particularly limited as long as it is a decomposition-absorbable polymer material similar to gelatin and can be mixed with the compound 1MS.
- a method for producing a two-layer sheet comprising a gelatin sheet containing Compound 1MS and a crosslinked gelatin sheet
- a small amount of water is added to partially dissolve gelatin in the gelatin sheet containing Compound 1MS, and then crosslinked gelatin is used.
- a two-layer sheet can be produced by adhering to the sheet. Note that the bonding method is not particularly limited as long as the bonded portion is not easily separated in the body, such as suture fixing.
- a suture can be used to fix by suture.
- the suture to be used is not particularly limited, as is the case with the suture used when producing the myocardial jacket.
- Compound 1MS may be suspended in an aqueous fibrinogen solution, Ca ions and thrombin solution may be mixed, and sprayed (Beriplast P combination set; CSL Behring, Volfir; Astellas etc.) to the diseased area.
- an aqueous suspension of compound 1MS is absorbed in a sheet (Sponsell; Astellas, Zellfoam, Zellfilm; Pfizer, Surge Cell; J & J, etc.), and then fibrin glue (Beriplast P combination set, Volfil, etc.) or atelocollagen seal (Integran; Koken, octopus seal, octopus comb; CSL bering, etc.) may be used to enclose the sheet.
- a method for producing a crosslinked gelatin sheet that is hardly soluble in water for example, a film-like gelatin sheet is produced from an aqueous gelatin solution by a casting method, and the obtained gelatin sheet is produced at a temperature of about 110 to 150 ° C. for about 6 to about 6 to By performing a thermal dehydration crosslinking treatment for 24 hours, it is possible to produce a crosslinked gelatin sheet that is sparingly soluble in water.
- the thermal dehydration crosslinking treatment conditions the treatment conditions may vary depending on the thickness and shape of the target gelatin sheet, so that a property that is hardly soluble in water can be obtained for a desired period of time. However, it is not particularly limited to the above processing conditions.
- any material can be used as the sheet material as long as it can be subjected to thermal dehydration cross-linking treatment.
- polymer materials such as gelatin, collagen, and hyaluronic acid are particularly preferable.
- the crosslinking method is not limited to thermal dehydration crosslinking, and chemical crosslinking with a crosslinking agent or physical crosslinking method with radiation or the like may be used, and the crosslinking method is not particularly limited.
- an ordinary non-crosslinked decomposition and absorption polymer material for example, polylactic acid, polyglycolic acid, poly ⁇ caprolactone, etc. There may be, and it is not specifically limited.
- an MS preparation of Compound 1 prepared using PLGA5020 or PLGA5050 (or 5-50) or a Mix preparation thereof is prepared as a sustained release MS preparation of about 1 to 4 weeks.
- PLGA5020 is a copolymer of 50 mol% lactic acid and 50 mol% of glycolic acid, and represents a weight average molecular weight of 20,000.
- PLGA5050 is a copolymer of 50 mol% of lactic acid and 50 mol% of glycolic acid. Represents a weight average molecular weight of 50,000.
- lactic acid polymers PLA
- glycolic acid polymers PGA
- lactic acid / glycolic acid copolymers PLGA
- PLA0005 0010, 0020, 0050, PGA0005, 0010, 0020, 0050, PLGA7520, and 7550 (Wako Pure Chemical Industries, Ltd./Mitsui Chemicals, etc.). is there.
- PLA0005 represents the weight average molecular weight of the lactic acid polymer 5,000
- PLA0010 represents the weight average molecular weight 10,000 of the lactic acid polymer
- PLA0050 represents the weight average molecular weight 50,000 of the lactic acid polymer.
- PGA0005 represents the weight average molecular weight 5,000 of the glycolic acid polymer
- PGA0050 represents the same weight average molecular weight 50,000.
- PLGA7520 is a copolymer of 75 mol% lactic acid and 25 mol% of glycolic acid and represents a weight average molecular weight of 20,000.
- PLGA7550 is a copolymer of 75 mol% of lactic acid and 25 mol% of glycolic acid. Represents a weight average molecular weight of 50,000. 1 to 3 kinds of compounds 1MS prepared by these may be mixed. For example, when an MS agent of Compound 1 is prepared using PLA0020, a sustained release MS preparation of about 16 weeks is prepared.
- a cell-free cardiovascular / myocardial regeneration therapy that replaces heart transplantation, artificial heart, and cell transplantation therapy
- prevention of severe heart failure associated with dilated cardiomyopathy or severe ischemic cardiomyopathy and the like Treatment can be performed.
- it is useful for the prevention and / or treatment of chronic rejection associated with heart transplantation, congestive heart failure, right heart failure due to pulmonary hypertension, and diastolic failure.
- the toxicity of the cardiac patch preparation and the myocardial support device constituting the treatment material is extremely low, and is sufficiently safe for use as a medical device.
- FIG. 1 It is a schematic diagram of the said myocardial support device which comprises an example of the serious heart failure treatment material of this invention, Comprising: It is a figure for demonstrating the state with which the heart was mounted
- FIG. 6 It is a figure for demonstrating a series of preparation progress of the myocardial support device using PGA in the formulation example 6, Comprising: (a) is a figure of the heart model intrinsic
- the formulation of Formulation Example 1 is fixed on the surface of the device with good dispersibility. It is a photograph (a) showing the state of the surface of the device showing that it has been converted, (b) is a photograph showing the surface state of the device when gelatin is sprayed at a lower concentration than the (a) (C) is a photograph showing the surface state of the device when gelatin is sprayed at a higher concentration than in (a).
- the severe heart failure treatment material of the present invention includes a drug, a drug holding agent, and a myocardial support device.
- the material for treating severe heart failure of the present invention comprises a regenerative factor production inducer that is a sustained-release preparation, a bioabsorbable polymer that is a sustained-release preparation-retaining agent, and a myocardial support device. .
- the material for treating severe heart failure according to the present invention is a sustained release preparation of various in vivo regeneration factor production inducers, a sheet or a spray using a bioabsorbable polymer that is a sustained release preparation holding agent. , And a myocardial support device.
- the material for treating severe heart failure of the present invention uses a sustained-release preparation of various in vivo regeneration factor production inducers using a bioabsorbable polymer as a sustained-release preparation-retaining agent for a myocardial support device. Coated integrated myocardial support device.
- the term “drug” is not particularly limited as long as it is used for the treatment of heart failure, but includes a pharmaceutical material administered systemically or locally in an oral or parenteral form.
- Specific examples of the drug include proteins such as in vivo regenerative factor proteins and polypeptides; in vivo regenerative factor production genes, polynucleotides, antisense and other genes; compounds such as in vivo regenerative factor production inducers and low molecular weight compounds; Cells such as stem cells, iPS cells and somatic cells isolated from tissues; decoys; antibodies; extracellular matrix; cell adhesion factors;
- the low molecular weight compound include an antithrombotic agent, a circulation improving agent, a smooth muscle dilator, an anti-inflammatory agent, a local narcotic agent, an analgesic agent, a metabolic improving agent, and prostaglandins.
- the “drug” in the present invention one type of these pharmaceutical materials may be used, or a plurality of types may be used in combination.
- the “drug” is a regenerative factor production inducer.
- the in vivo regenerative factor production inducer is preferably a sustained-release preparation.
- VEGF vascular endothelial growth factor
- HGF hepatocyte growth factor
- PDGF various fibroblast growth factors
- HGF hepatocyte growth factor
- TGF- ⁇ platelet derived growth factor
- HGF transforming growth factor- ⁇
- PDGF platelet derived growth factor
- HGF transforming growth factor- ⁇
- HGF- ⁇ platelet derived growth factor
- PDGF platelet derived growth factor
- HGF- ⁇ transforming growth factor- ⁇
- PDGF platelet derived growth factor
- HGF- ⁇ transforming growth factor- ⁇
- PDGF platelet derived growth factor
- HGF- ⁇ transforming growth factor- ⁇
- IGF insulin-like growth factor
- BMP bone morphogenetic protein
- CTGF connective tissue growth factor
- EGF epithelial cells Growth factor
- GNF nerve growth factor
- BDNF brain-derived neurotrophic factor
- GDNF glial cell-derived neurotrophic factor
- SCF stem cell factor
- the in vivo regenerative factor production inducer is, for example, a drug containing one or more selected from PGI 2 agonists, EP 2 agonists, and EP 4 agonists.
- in vivo regeneration factor production inducers include cholera toxin (Cholera toxin), 8-bromo-cAMP, dibutyryl-cAMP, forskolin, for example, AT1 receptor antagonist (ARB), peroxisome proliferator activity Receptor agonist gamma (PPAR ⁇ ) agonists, phosphodiesterase (PDE) inhibitors, IL-1, TNF- ⁇ , INF and the like.
- R 1 represents a hydrogen atom or a C1-4 alkyl group
- R 2 is (i) a hydrogen atom, (ii) a C1-8 alkyl group, (iii) a phenyl group or a C4-7 cycloalkyl group, (iv) a 4-7 membered monocycle containing one nitrogen atom
- v Represents a C1-4 alkyl group substituted with a benzene ring or a C4-7 cycloalkyl group, or (vi) a C1-4 alkyl group substituted with a 4-7 membered monocycle containing one nitrogen atom
- R 3 is (i) a C1-8 alkyl group, (ii) a phenyl group or a C4-7 cycloalkyl group, (iii) a 4- to 7-membered monocycle containing one nitrogen atom, (iv) a benzene ring or C4- A C1-4 alkyl group substituted with a
- R 2 is preferably (iii) a phenyl group or a C4-7 cycloalkyl group, (iv) a 4-7 membered monocyclic ring containing one nitrogen atom, (V) a C1-4 alkyl group substituted with a benzene ring or a C4-7 cycloalkyl group, or (vi) a C1-4 alkyl group substituted with a 4-7 membered monocycle containing one nitrogen atom. And particularly preferred are (iii) a phenyl group or a C4-7 cycloalkyl group, or (iv) a 4-7 membered monocycle containing one nitrogen atom.
- R 3 is preferably (ii) a phenyl group or a C4-7 cycloalkyl group, (iii) a 4-7 membered monocycle containing one nitrogen atom, (Iv) a C1-4 alkyl group substituted with a benzene ring or a C4-7 cycloalkyl group, or (v) a C1-4 alkyl group substituted with a 4-7 membered monocycle containing one nitrogen atom. And particularly preferred are (ii) a phenyl group or a C4-7 cycloalkyl group, or (iii) a 4-7 membered monocycle containing one nitrogen atom.
- PGI 2 agonists include, for example, beraprost sodium: (( ⁇ )-(1R, 2R, 3aS, 8bS) -2,3,3a, 8b-tetrahydro-2-hydroxy-1-[(E) -(3S, 4RS) -3-hydroxy-4-methyl-1-octene-6-ynyl] -1H-cyclopenta [b] benzofuran-5-butanoic acid sodium salt) (compound 3); OP-2507: (5 - ⁇ (3aR, 4R, 6aS) -5-hydroxy-4-[(1E, 3S) -3-hydroxy-3- (cis-4-propylcyclohexyl) prop-1-enyl] -3,3a, 4 5,6,6a- hexahydrocyclopenta [b] pyrrol-2-yl ⁇ pentanoic acid methyl ester (compound 4); NS-304 (Nippon Shinyaku PGI 2 agonist, Ltd.); MRE-2
- the compound 1 or non-toxic salt thereof which is an oxime (OX) derivative represented by the general formula (I) used in the present invention as a PGI 2 agonist, inhibits platelet aggregation, platelet adhesion, vasodilation, and gastric acid secretion. Therefore, it is disclosed in US Pat. No. 5,480,998 that it is useful for the prevention and / or treatment of thrombosis, arteriosclerosis, ischemic heart disease, gastric ulcer, hypertension and the like.
- International Publication No. 2004/032965 and International Publication are related to various cell / organ disorders caused by angiogenesis, differentiation induction of various stem cells, anti-apoptosis, anti-fibrosis, etc. It is disclosed in the specification of 2008/047863.
- Prostaglandins are classified as otacoids, and the necessary amount is biosynthesized at the necessary site and when necessary, and after the onset of action, it is rapidly metabolically deactivated locally. Therefore, unlike hormones, there is no systemic circulation.
- PGs Prostaglandins
- Diarrhea-inducing action, intussusception, etc. have been problems. In order to avoid these problems, we examined the possibility of direct administration of a continuous preparation to the local area of the disease.
- the compound represented by the above general formula (I) or the above compound 1 can be continuously released to an ischemic site requiring angiogenesis or a damaged part requiring tissue repair, ischemia
- ischemia In addition to the effect of increasing blood flow in the vasodilatory effect of residual blood vessels and the platelet aggregation inhibitory effect, it is possible to induce the production of various regenerative factors in the vicinity of the injured area.
- DDS Drug Delivery System
- it is possible to develop a sustained-release formulation during the period of angiogenesis (regeneration) and tissue repair at the ischemic site or in the vicinity of tissue damage there will be fewer side effects in systemic administration and administration compliance with fewer administrations will be improved. We thought that it was possible to create a new drug.
- sustained release preparations of various in vivo regenerative factor production inducers and their production methods are well known, and are disclosed in detail in, for example, International Publication Nos. 2004/032965 and 2008/047863.
- the continuous preparation is not limited to the preparation as long as the active ingredient can be continuously supplied at the site of the disease.
- effective for sustained-release injections eg, microcapsule preparations, microsphere preparations, nanosphere preparations, etc.
- implantable preparations eg, film preparations, etc.
- ointments e.g., medical devices, fixation bolts, sutures, etc.
- coating agent containing or coating a component.
- microcapsule preparation, microsphere preparation, and nanosphere preparation of the present invention are fine particle pharmaceutical compositions containing an active ingredient as an active ingredient and a biodegradable polymer.
- the sustained drug release system of the present invention includes a bioabsorbable polymer, which is achieved from a natural polymer or a synthetic polymer.
- Control mechanisms of the sustained release rate from these include a decomposition control type, a diffusion control type, and a membrane permeation control type.
- the natural polymer that is the bioabsorbable polymer of the present invention includes plant-produced polysaccharides (eg, cellulose, starch, alginic acid, etc.), animal-produced polysaccharides and proteins (eg, chitin, chitosan, collagen, gelatin, albumin, glucosamino). Glycans, etc.), microbially produced polyesters and polysaccharides (eg, poly-3-hydroxyalkanoates, hyaluronic acid, etc.).
- plant-produced polysaccharides eg, cellulose, starch, alginic acid, etc.
- animal-produced polysaccharides and proteins eg, chitin, chitosan, collagen, gelatin, albumin, glucosamino
- Glycans, etc. microbially produced polyesters and polysaccharides (eg, poly-3-hydroxyalkanoates, hyaluronic acid, etc.).
- Biodegradable polymers include fatty acid ester polymers or copolymers thereof, polyacrylic acid esters, polyhydroxybutyric acids, polyalkylene oxalates, polyorthoesters, polycarbonates and polyamino acids. These can be used alone or in combination.
- Fatty acid ester polymer or copolymer thereof means polylactic acid, polyglycolic acid, polycitric acid, polymalic acid, polyethylene succinate, polybutylene succinate, poly- ⁇ -caprolactone, polybutylene terephthalate adipate or lactic acid-glycolic acid A copolymer is mentioned, These can be used 1 type or in mixture.
- poly ⁇ -cyanoacrylic acid ester poly ⁇ -hydroxybutyric acid, polytrimethylene oxide, polyorthoester, polyorthocarbonate, polyethylene carbonate, poly ⁇ -benzyl-L-glutamic acid, polyvinyl alcohol, polyester carbonate, poly Mixtures of one or more of acid anhydride, polycyanoacrylate, polyphosphazene or poly L-alanine can also be used.
- Polylactic acid, polyglycolic acid or lactic acid-glycolic acid copolymer is preferred, and lactic acid-glycolic acid copolymer is more preferred.
- the average molecular weight of these biodegradable polymers used in the present invention is preferably about 2,000 to about 800,000, more preferably about 5,000 to about 200,000.
- polylactic acid preferably has a weight average molecular weight of about 5,000 to about 100,000. More preferably from about 6,000 to about 50,000.
- Polylactic acid can be synthesized according to a production method known per se.
- the composition ratio of lactic acid to glycolic acid is preferably about 100/0 to about 50/50 (W / W), particularly about 90/10 to 50/50 (W / W). ) Is preferred.
- the weight average molecular weight of the lactic acid-glycolic acid copolymer is preferably from about 5,000 to about 100,000. More preferably from about 10,000 to 80,000.
- the lactic acid-glycolic acid copolymer can be synthesized according to a production method known per se. In order to suppress the initial burst, basic amino acids (for example, alginic acid, etc.) may be added.
- the weight average molecular weight refers to a molecular weight in terms of polystyrene measured by gel permeation chromatography (GPC).
- the biodegradable polymer described above can be changed depending on the strength of the pharmacological activity of the active ingredient and the desired drug release as long as the object of the present invention is achieved. It is used in an amount of 10,000 times (mass ratio), preferably about 1 to 1,000 times (mass ratio), more preferably about 1 to 100 times (mass ratio).
- microspheres, microcapsules, and nanocapsules of the present invention are, for example, underwater drying methods (eg, o / w method, w / o method, w / o / w method), phase separation methods, spray drying methods, supercritical fluids. Or a method according to these methods.
- Compound 1MS a microsphere (MS) preparation (Compound 1MS) with lactic acid / glycolic acid copolymer (PLGA) was prepared.
- Compound 1MS is designed such that it is hydrolyzed into lactic acid and glycolic acid at the administration site, and the contained compound 1 is released into the living body almost linearly.
- a sustained-release preparation of 1 week to 4 weeks has been found by changing the molecular weight of PLGA, lactic acid / glycolic acid ratio, particle size and the like (International Publication No. 2008/047863).
- Compound 1MS can be used as a long-term intravenous infusion-like preparation by subcutaneous administration or intramuscular administration.
- Compound 1 is a low-molecular OX derivative having a non-PG skeleton, and has a TXA 2 synthase inhibitory action incorporated in the molecule in addition to a selective IP agonist action.
- HGF hepatocyte growth factor
- VEGF vascular endothelial growth factor
- EGF epidermal growth factor
- IGF-1 insulin-like growth factor
- SDF-1 stromal cell-derived factor
- G-CSF granulocyte colony-stimulating factor
- Compound 1 was found to inhibit ERK1 / 2 phosphorylation, which had progressed due to pathological conditions, by cAMP / PKA activation, and to inhibit fibroblast migration, proliferation, and collagen production (Am J Respir Crit Care Med 177,195-201 (2008)).
- Compound 1 suppressed the increase in blood ALT and AST against acute liver injury induced by carbon tetrachloride, and showed hepatocyte protective effect by anti-apoptotic action and anti-necrosis action. Moreover, these protective effects were attenuated by administration of an anti-HGF neutralizing antibody (Am J Physiol Gastrointest Liver Physiol 302: G420-G429, 2012.).
- an anti-HGF neutralizing antibody Am J Physiol Gastrointest Liver Physiol 302: G420-G429, 2012.
- the inventor has developed a rat ischemic heart failure model (Biomedicine & Aging Pathology1; 90-96 (2011), European Journal of Pharmacology 674 (2012) 352-358), hamster dilated cardiomyopathy model (Biomedicine & Pharmacotherapy 63: 781) -786 (2009)), pulmonary hypertension model (Am J Respir Crit Care Med 177,195-201 (2008)) and mouse heart transplant chronic rejection model (International Heart Journal 53: 64-67 (2012))
- effectiveness has been confirmed by subcutaneous administration, since it is systemic administration, there is little difference between effectiveness and systemic side effects (hypertensive action, platelet aggregation inhibitory action, etc.).
- a patch for the purpose of sustaining the disease is also being studied.
- SMBCT cell sheet therapies
- the inventor has confirmed the effectiveness of a hamster model with spontaneous dilated cardiomyopathy by directly affixing a sheet of compound 1MS infiltrated into the atelocollagen film onto the heart.
- the concentration of Compound 1 in the heart tissue is about 10 to 300 times higher than the blood concentration and is maintained for a long time ( AHA2011; American Heart Association Orlando Florida USA (2011)).
- the sheet containing Compound 1MS can maintain the local concentration of the drug in the applied organ part continuously at a high concentration (DDS), and can maintain a stable pharmacological action with few side effects.
- DDS high concentration
- this organ / tissue patch therapy can be used as a DDS patch not only for heart disease but also for other organs such as kidney disease, lung disease, liver disease, bone disease and skin disease.
- the sustained release preparation of the in vivo regenerative factor production inducer is contained together with other components (eg, gelatin, fibrin, collagen, hyaluronic acid) in the form of a sheet or spray.
- other components eg, gelatin, fibrin, collagen, hyaluronic acid
- the content of the in vivo regenerative factor production inducer and other components in the sheet or spray is not particularly limited, and can be arbitrarily set by those skilled in the art.
- PGI 2 agonists that can be used in the present invention
- compounds represented by the general formula (I) for example, (E)-[5- [2- [1-phenyl-1- (3- A method for producing pyridyl) methylideneaminooxy] ethyl] -7,8-dihydronaphthalen-1-yloxy] acetic acid (including Compound 1) is disclosed, for example, in US Pat. No. 5,480,998.
- beraprost sodium (( ⁇ )-(1R, 2R, 3aS, 8bS) -2,3,3a, 8b-tetrahydro-2-hydroxy-1-[(E)-(3S, 4RS) -3-hydroxy -4-Methyl-1-octene-6-ynyl] -1H-cyclopenta [b] benzofuran-5-butanoic acid sodium salt) is disclosed in, for example, WO 1996/026721 .
- methods for producing these sustained-release preparations are disclosed in, for example, International Publication No. 2004/032965 and International Publication No. 2008/047863.
- the drug is fixed to the myocardium or myocardial support device to continuously exert its medicinal effect, and in combination with the effect of the myocardial support device, it exhibits a synergistic effect on severe heart failure. It is the drug retaining agent that plays an important role.
- the drug retaining agent of the present invention is composed of a bioabsorbable polymer or a biodegradable polymer.
- Natural polymers that are bioabsorbable polymers used as drug retaining agents include plant-produced polysaccharides (eg, cellulose, starch, alginic acid, etc.), animal-produced polysaccharides and proteins (eg, chitin, chitosan, collagen, gelatin, albumin) , Glucosaminoglycans, etc.), microorganism-produced polyesters and polysaccharides (eg, poly-3-hydroxyalkanoate, hyaluronic acid, etc.), preferably fibrin, gelatin, collagen, hyaluronic acid, more preferably fibrin. , Atelocollagen and gelatin.
- plant-produced polysaccharides eg, cellulose, starch, alginic acid, etc.
- animal-produced polysaccharides and proteins eg, chitin, chitosan, collagen, gelatin, albumin
- Glucosaminoglycans etc.
- Biodegradable polymers used as drug retaining agents include fatty acid ester polymers or copolymers thereof, polyacrylic acid esters, polyhydroxybutyric acids, polyalkylene oxalates, polyorthoesters, polycarbonates and polyamino acids. These may be used alone or in combination.
- Fatty acid ester polymer or copolymer thereof means polylactic acid, polyglycolic acid, polycitric acid, polymalic acid, polyethylene succinate, polybutylene succinate, poly- ⁇ -caprolactone, polybutylene terephthalate adipate or lactic acid-glycolic acid A copolymer is mentioned, These can be used 1 type or in mixture.
- poly ⁇ -cyanoacrylic acid ester poly ⁇ -hydroxybutyric acid, polytrimethylene oxide, polyorthoester, polyorthocarbonate, polyethylene carbonate, poly ⁇ -benzyl-L-glutamic acid, polyvinyl alcohol, polyester carbonate, poly Mixtures of one or more of acid anhydride, polycyanoacrylate, polyphosphazene or poly L-alanine can also be used.
- Polylactic acid, polyglycolic acid or lactic acid-glycolic acid copolymer is preferred, and lactic acid-glycolic acid copolymer is more preferred.
- the following additives can be added to the drug retaining agent of the present invention.
- the drug-retaining agent of the present invention is used in the form of a sheet containing a drug or a spray containing the drug.
- the said sheet agent and spray agent can be manufactured by a well-known method as mentioned later.
- the myocardial support device itself may be a conventionally known device.
- the manufacturing method of the myocardial support device is disclosed in, for example, International Publication No. 2000/002500, International Publication No. 2001/095832, and Japanese Patent No. 4582549.
- a heart shape correction net (jacket) to be attached to the outside of the heart has been proposed (for example, International Publication No. 2001/085061 and US Pat. No. 5). 702, 343).
- the above-mentioned medical device is a mesh-shaped cloth formed in a cup shape, and is intended to prevent further deterioration of the heart failure by attaching it to the outside of the heart of an enlarged heart failure patient to prevent further heart expansion. is there.
- Such a conventional net is useful for regulating excessive expansion of the heart as a heart shape correction net by accommodating a part of the heart inside and surrounding the accommodated part from the outside.
- International Publication No. 2000/002500 and Japanese Patent No. 4582549 are examples of International Publication No. 2000/002500 and Japanese Patent No. 4582549.
- the cardiac morphological correction net is a method for suppressing ventricular remodeling and mechanically (forcibly) suppressing cardiac expansion.
- the mesh-like myocardial support device applying Laplace's principle suppresses myocardial remodeling and cardiac hypertrophy, and improves or prevents the progression of heart failure by improving the shape and function of the enlarged heart.
- a myocardial device has already been developed as CorCap TM from ACORN CARDIOVASCULAR in the US, but has been discontinued due to insufficient clinical trial results.
- the myocardial support device in the material for treating severe heart failure of the present invention is composed of, for example, the following materials and forms.
- the myocardial support device is made of a material having high elasticity such as a net, knitting, and fabric.
- the knitting yarn used for the net is made of a biocompatible material and has a performance suitable for use as a conventional heart shape correction net.
- the material and thickness will not be specifically limited, However, As an example, polyester, polytetrafluoroethylene, expanded polytetrafluoroethylene (expanded PTFE, ePTFE), polypropylene, poly difluoride ethylene (hexafluoropropylene) -Vinylidene fluoride) and the like twisted together.
- the knitting yarn made of these materials only one kind of the above-described biocompatible materials may be used, or two or more kinds may be used.
- the composite fiber material which used the fiber for example, aromatic polyamide fiber
- strength was more excellent in order to improve fatigue resistance and disconnection resistance may be sufficient.
- the knitting yarn made of these materials is a fiber using a biodegradable material (PGA, PLA, PLGA, polydioxanone (PDS), caprolactone, silk fibroin, cellulose, chitin, chitosan, keratin, and polyvinyl alcohol).
- PGA biodegradable material
- PLA PLA
- PLGA polydioxanone
- caprolactone silk fibroin
- cellulose chitin
- chitosan keratin
- polyvinyl alcohol polyvinyl alcohol
- the knitting form in the myocardial support device is not particularly limited, and, for example, tengu knitting, mesh knitting, and the like can be employed.
- the myocardial support device 100 has a bag-like shape that can surround the lower part of the heart 10, that is, the ventricle part. Or you may have a cylindrical form with which the upper and lower sides were open
- the size of the myocardial support device is not particularly limited.
- the myocardial support device surrounds an enlarged human heart (for example, taking into account individual differences among adults, men, women, children, etc.) and matches the heart beat. And designed to be stretchable.
- the mesh-like myocardial support device applying Laplace's principle suppresses myocardial remodeling and cardiac hypertrophy, and suppresses or maintains the progression of heart failure by improving the shape and function of the enlarged heart.
- the description about what to do is disclosed in International Publication No. 2000/002500 and Japanese Patent No. 4582549.
- a myocardial support device (myocardial jacket) that fits the unique shape of a dog or human heart having a complex three-dimensional shape
- a method for producing a pattern having a unique shape of a dog or human heart include, for example, three-dimensional data obtained by diagnostic imaging techniques (such as MRI or CT scan) of a dog or human heart, An inherently shaped heart model is prepared, and a thin film layer having a shape that exactly fits the heart model is prepared. Subsequently, by cutting and unfolding the obtained film, it is possible to obtain a pattern that fits the heart of a dog or human.
- the image diagnosis technique based on the three-dimensional data obtained by the image diagnosis technique, it is possible to directly divide and develop the three-dimensional data into two-dimensional data using commercially available software such as DressingSimEX and LookStailor. Further, it is possible to create pattern data based on these two-dimensional development data. That is, it is possible to obtain pattern data of a specific shape of a dog or human heart directly from digital data without actually creating a model or structure.
- the software used for data processing is not particularly limited as long as it has a function of developing three-dimensional data into two dimensions.
- a method for producing a myocardial jacket from a pattern data of a natural shape of a dog or human heart for example, using a suture, a three-dimensional knitting machine (SWG041 type) made by Shima Seiki's whole garment, a dog or human A myocardial jacket can be made that fits the native shape of the heart.
- the suture material used polyyester, silk, polypropylene yarn, etc.
- properties monoofilament, multifilament, blade, etc.
- degradability, etc. are particularly suitable as long as the shape of the myocardial jacket can be constructed. It is not limited.
- Examples of a method for long-term sustained release of an in vivo regenerative factor derivative such as Compound 1 from a myocardial jacket include, for example, a gelatin sheet containing Compound 1MS and a cross-linked gelatin sheet hardly soluble in water.
- a gelatin sheet containing Compound 1MS and a cross-linked gelatin sheet hardly soluble in water.
- a myocardial support device applying Laplace's principle and a sheet of MS agent such as OX derivative compound 1 that induces various regenerative factors in the heart. It has been newly found out that the combined use of an agent or a spray agent can significantly increase the usefulness for severe heart failure as compared with a single agent because of the synergistic effect of each action.
- a sustained release MS formulation of OX derivative (compound 1) is coated on the myocardial support device with a bioabsorbable polymer to produce an integrated cardiovascular / myocardial regeneration device that can be used clinically for general purposes. succeeded in.
- a heart shape correction net (jacket) is used for localization and targeted delivery of a therapeutic agent to a target region of the heart and / or surrounding tissue.
- An apparatus and method are described.
- the compound represented by the general formula (I) and the compound 1MS are not specifically disclosed.
- a stable pharmacological action with few side effects can be sustained by applying a sheet containing Compound 1MS directly to the heart.
- none of these methods were effective enough and could not replace artificial heart or heart transfer therapy.
- the myocardial support device to be used is not used for exhibiting only a function as a mere cardiogenic correction net as described in International Publication No. 2001/095832. Rather, the appropriate stretch and flexibility of the device is utilized to achieve placement of the drug and drug retainer at the desired location on the heart. In this arrangement, it is not particularly necessary to attach an adhesive or adhering component that is acceptable to the living body, and it is particularly useful in that it can be quickly mounted in a dangerous and limited time in cardiac surgery. .
- the present invention provides synergistic effects by combining two therapies with completely different anti-heart failure mechanisms, namely, a myocardial support device applying Laplace's principle and an OX derivative compound 1MS sheet that induces various internal regeneration factors. From the effects, it has been found that the therapy is remarkably highly useful compared to each single agent, and is a therapy that can replace the conventional artificial heart and heart transplantation medicine.
- a bioresorbable polymer material (gelatin, fibrin, collagen, hyaluronic acid, etc.) is used for the myocardial support device, such as a bioresorbable polymer material such as a sustained release MS preparation of an OX derivative (for example, Compound 1).
- a bioresorbable polymer material such as a sustained release MS preparation of an OX derivative (for example, Compound 1).
- a myocardial support device and a sustained-release preparation or an integrated myocardial support device in the present invention is applied to heart diseases (for example, myocardial infarction, angina pectoris, supraventricular tachyarrhythmia, congestion) Congenital heart failure, diastolic failure, idiopathic cardiomyopathy, dilated cardiomyopathy, atrial fibrillation, myocarditis, heart transplant chronic rejection, etc.).
- heart diseases for example, myocardial infarction, angina pectoris, supraventricular tachyarrhythmia, congestion
- Congenital heart failure diastolic failure
- idiopathic cardiomyopathy dilated cardiomyopathy
- atrial fibrillation myocarditis
- heart transplant chronic rejection etc.
- a sustained release preparation using an in vivo regenerative factor production promoter having cAMP production promoting action is applied directly to various diseased organs (sites) such as a sheet, spray or ointment using a bioabsorbable polymer.
- sites diseased organs
- the PGI 2 agonist has an action of promoting the production of a regeneration factor in the body
- various organ disorders such as liver diseases (eg, fulminant hepatitis) are caused by angiogenesis promoting action and differentiation inducing action for tissue repair from various stem cells.
- kidney disease eg, acute kidney injury (AKI), chronic kidney disease (CKD), glomerulonephritis, nephrosclerosis, kidney failure, illness) Blood nephropathy, tubular transport abnormalities, Cushing syndrome, tubulointerstitial disease, etc.
- pulmonary diseases eg, acute pneumonia, pulmonary fibrosis, pulmonary hypertension, chronic obstructive pulmonary disease (COPD), asthma, intractable Asthma, systemic inflammatory response syndrome (SIRS), acute lung injury (ALI), acute respiratory distress syndrome (ARDS), sarcoidosis, interstitial pneumonia, hypersensitivity pneumonia, etc., pancreatic diseases (eg, diabetes, chronic pancreatitis, etc.) ), Bone diseases (eg, osteoarthritis, rheumatoid arthritis, osteoporosis, fractures, osteonecrosis, perio
- one or two or more kinds arbitrarily selected from the same group of PGI 2 agonists may be used in combination at an appropriate ratio.
- PGI 2 agonists, EP 2 agonists, and EP 4 agonists that can be used as the in vivo regenerative factor production inducer of the present invention include, for example, PGE 1 , PGE 2 , and PGI 2 , derivatives thereof (eg, 6-oxy -PGF 1 ⁇ , ornoprostil, limaprostil, emprostil, misoprostol, etc.), prodrugs thereof, sustained preparations (sustained release preparations) (eg, lipo-PGE 1 etc.), or others (eg, PDE) Inhibitors, PPAR ⁇ agonists, ARBs, etc.) are also included, and one or more of these may be used in combination as appropriate.
- PGE 1 , PGE 2 , and PGI 2 derivatives thereof (eg, 6-oxy -PGF 1 ⁇ , ornoprostil, limaprostil, emprostil, misoprostol, etc.), prodrugs thereof, sustained preparations (sustained release preparation
- the combined use of the myocardial support device and the in vivo regenerative factor production inducer in the present invention comprises (1) complementation and / or enhancement of the preventive and / or therapeutic effect of the drug of the present invention, and (2) the drug of the present invention.
- the drug of the present invention In order to improve the kinetics / absorption, reduce the dose, and / or (3) reduce the side effects of the drug of the present invention, it may be administered in combination with other drugs.
- the combined use of the myocardial support device of the present invention and the in vivo regenerative factor production inducer, or the combined use of other drugs in the integrated myocardial support device contains both components or each sustained-release preparation in one preparation. It may be administered in the form of a combination agent, or may be in the form of administration as separate preparations. When administered as separate preparations, simultaneous administration and administration by time difference are included. In addition, the administration of the device of the present invention may be applied first, and another drug may be administered later, or the other drug may be administered first, and the device of the present invention may be applied later. Each administration method may be the same or different.
- the other drug may be a low molecular weight compound, and is a high molecular weight protein, polypeptide, polynucleotide (DNA, RNA, gene), antisense, decoy, antibody, extracellular matrix, cell adhesion factor.
- it may be a vaccine, a stem cell isolated from a tissue, an iPS cell, a somatic cell, or the like.
- repeated oral preparations of Compound 1 or Compound 3, or intermittent subcutaneous administration or intramuscular administration of sustained release preparations (MS) of these compounds may be used as other drugs.
- the dosage of other drugs can be appropriately selected based on the clinically used dose.
- the mixing ratio of the device of the present invention and other drugs can be appropriately selected depending on the age and weight of the administration subject, administration method, administration time, target disease, symptom, combination and the like. For example, 0.01 to 100 parts by mass of another drug may be used for 1 part by mass of the drug used in the device of the present invention.
- the other drugs may be administered by combining one or two or more kinds arbitrarily selected from the following homogeneous groups and heterogeneous groups in an appropriate ratio.
- Diseases having a preventive and / or therapeutic effect due to the above combination agent are not particularly limited, and the combined use of the myocardial support device of the present invention and the in vivo regenerative factor production inducer, or the prophylactic and / or therapeutic effect of the integrated myocardial support device. Any disease that complements and / or enhances the disease may be used.
- drugs include, for example, antithrombotic agents, circulatory improvers, smooth muscle dilators, anti-inflammatory agents, local narcotics, analgesics, metabolic improvers, prostaglandins, in vivo regeneration factor proteins, in vivo regeneration factor production
- examples include genes, various organ stem cells, iPS cells, and somatic cells.
- the cells include myoblasts, adipocytes, bone marrow cells, cardiomyocytes, blood cells, mesenchymal stem cells, neural stem cells, hematopoietic stem cells, various iPS cells, etc., and these cells are administered intramuscularly, and It is administered by injection such as intravenous administration or by attaching a cell sheet.
- Antithrombotic agents include, for example, heparin preparations (heparin sodium, heparin calcium, daltepan sodium, etc.), oral anticoagulants (warfarin potassium, etc.), antithrombin drugs (gabexate mesylate, nafamostat mesylate, argatroban, etc.), Antiplatelet aggregation inhibitors (aspirin, dipyridamole, ticlopidine hydrochloride, beraprost sodium, cilostazol, ozagrel sodium, sarpogrelate hydrochloride, ethyl icosapentate, etc.), thrombolytic agents (urokinase, tisokinase, alteplase, nateplase, monteplase, pamiteplase, etc.), factor Xa inhibition Examples include drugs and factor VIIa inhibitors.
- the circulation improving agent examples include ifenprodil tartrate, aniracetam, donepezil hydrochloride, amantadine hydrochloride, nicergodine, ibudilast, papaverine, nicotine, calcium antagonists (nifedipine, amlodipine, diltiazepam, azelnidipine, etc.), ⁇ receptor agonist (ephedrine, Salbutamol, procaterol, salmeterol, mabuterol, etc.), alpha receptor inhibitors (uradipil, terazosin, doxazosin, bunazosin, prazosin, etc.), ARB (losartan, candesartan, valsartan, telmisartan, etc.), PDE inhibitors (theophylline, milrinone, tadalafil, Dipyridamole, sildenafil, etc.).
- Examples of local narcotics include steroids, procaine, cocaine hydrochloride, lidocaine hydrochloride, ropivacaine hydrochloride, and the like.
- Metabolism improving agents include hyperlipidemic agents, HMG-CoA reductase inhibitors (eg, atorvastatin, simvastatin, pravastatin, etc.), etc.
- diabetes drugs include PPAR ⁇ agonists (eg, pioglitazone, rosiglitazone, etc.) Thiazolidine derivatives, adiponectin, leptin, etc.), DPP-IV inhibitors (sitagliptin, vildagliptin, alogliptin, etc.), GLP-1 agonists and the like.
- analgesics examples include non-steroidal anti-inflammatory drugs (NSAIDs) such as aspirin, indomethacin, diclofenac, meloxicam and celecoxib, opioid analgesics such as codeine and morphine, pentazocine, buprenorphine hydrochloride, and eptazocine hydrobromide.
- NSAIDs non-steroidal anti-inflammatory drugs
- opioid analgesics such as codeine and morphine
- pentazocine such as buprenorphine hydrochloride
- eptazocine hydrobromide examples include eptazocine hydrobromide.
- prostaglandins include PGE 1 , PGE 2 , PGI 2 or prodrugs thereof, lipo PGE 1 , 6-oxy-PGF 1 ⁇ , 6-oxy-PGF 1 ⁇ derivatives, ornoprostil, limaprostil, Emprostil, misoprostol and the like can be mentioned.
- the combination of the myocardial support device of the present invention and the in vivo regenerative factor production inducer, or other combination agents that complement and / or enhance the preventive and / or therapeutic effect of the integrated myocardial support device has the above-described mechanism. Based on this, it includes not only what has been found to date but also what will be found in the future, and is usually administered systemically or locally, in oral or parenteral form.
- the combined use of the myocardial support device of the present invention and the in vivo regenerative factor production inducer, or the dosage of the in vivo regenerative factor production inducing agent administered by the integrated myocardial support device includes age, weight, symptom, therapeutic effect, administration method, although it varies depending on the treatment time, etc., usually in the range of 1 ng to 1000 mg per adult as an active substance, once every two weeks, once every four weeks, once every three months, or every six months A continuous preparation is applied to the heart once to several times.
- a solid agent for internal use for oral administration It is used as a liquid for internal use and injections for parenteral administration, subcutaneous / intramuscular injections, external preparations, suppositories, inhalants, medical device containing agents and the like.
- the sustained release of compound 1MS disappears, and then repeated oral administration of compound 1 or subcutaneous / muscle of compound 1MS agent
- follow-up may be followed by systemic administration in injection administration.
- Sustained-release drug cardiac patch sheets or cardiac sprays are produced by known or commonly used formulations. For example, it is prepared by suspending a sustained-release drug containing one or more active substances on a bioabsorbable base.
- the bioabsorbable base of the sheet or spray is selected from those known or commonly used.
- a sustained-release drug may be suspended in an aqueous gelatin solution, and a sheet preparation may be prepared and dried to form a sheet preparation.
- the sustained-release preparation may be suspended in an aqueous fibrinogen solution and mixed with Ca ions and thrombin solution to cause local disease. May be administered as a spray (Beriplast P combination set; CSL Behring, Volfir; Astellas, etc.).
- a suspension preparation of a sustained-release preparation is absorbed in a sheet preparation (Sponzel; Astellas, Zellfoam, Zellfilm; Pfizer, Surge Cell; J & J, etc.), and fibrin glue (Beriplast P combination set, Volfiel, etc.) on it.
- a sheet preparation Sponzel; Astellas, Zellfoam, Zellfilm; Pfizer, Surge Cell; J & J, etc.
- fibrin glue Beriplast P combination set, Volfiel, etc.
- it may be enclosed with an atelocollagen seal (Integran; Koken, Taco Seal, Taco Comb; CSL Behring, etc.).
- bioabsorbable base materials include higher fatty acids or higher fatty acid esters (adipic acid, myristic acid, palmitic acid, stearic acid, oleic acid, adipic acid ester, myristic acid ester, palmitic acid ester, stearic acid ester, oleic acid ester Etc.), waxes (beeswax, whale wax, ceresin, etc.), surfactants (polyoxyethylene alkyl ether phosphates, etc.), higher alcohols (cetanol, stearyl alcohol, cetostearyl alcohol, etc.), silicon oil (dimethylpolysiloxane) Etc.), hydrocarbons (hydrophilic petrolatum, white petrolatum, purified lanolin, liquid paraffin, etc.), glycols (ethylene glycol, diethylene glycol, propylene glycol, polyethylene glycol, macrogol etc.), planting Oil (castor oil, olive oil, sesame oil, turpentine oil, etc.
- a heart patch is manufactured by a known or commonly used prescription as a heart patch.
- a sustained-release preparation containing one or more active substances in a base and spreading and applying the suspension on a support.
- the base for patch is selected from known or commonly used ones.
- one selected from polymer bases, fats and oils, higher fatty acids, tackifiers, and the like, or a mixture of two or more types may be used.
- it may contain an adhesive, an amphiphilic dissolution aid, a permeation accelerator, a suspending agent, a preservative, an antioxidant, and the like.
- Topical application As an organ patch administration of the sustained-release preparation of the present invention, a continuous preparation of the drug of the present invention or a combination preparation of the sustained-release preparation of the present invention and another drug is locally applied to the site of the disease.
- the administration method is not particularly limited as long as it can be supplied.
- a patch, spray, film, ointment, sheet, medical device net, stent, thread, cloth, etc.
- a sustained-release preparation of the drug of the present invention or a sustained-release preparation of the drug of the present invention
- a medical device containing agent containing a combination of these drugs or a solid preparation such as a coated coating agent, granule or powder, a patch, a gel, an ointment, a film, or a biodegradable polymer
- examples include pharmaceutical preparations and encapsulated medical devices.
- the continuous preparation in the present invention is not limited to the preparation as long as the active ingredient can be continuously supplied at the site of the disease.
- sustained-release injections eg, microcapsule preparations, microsphere preparations, nanosphere preparations, etc.
- embedded preparations eg, film preparations, sheet preparations, etc.
- ointments eg, medical devices (nets, stents, fixing bolts, sutures)
- examples thereof include a coating material in which an active ingredient is contained or coated on a thread, a cloth, and the like.
- microcapsule preparation, microsphere preparation, and nanosphere preparation in the present invention are fine particle preparations containing an active ingredient in a biodegradable polymer and the active ingredient is gradually hydrolyzed in the living body. It is gradually released.
- the material for treating severe heart failure of the present invention uses, for example, a sustained-release preparation of the drug of the present invention for a severe heart failure such as myocardial infarction, angina pectoris, dilated cardiomyopathy, etc.
- a sheet or spray is applied or sprayed directly to or near myocardial ischemia.
- single or multiple cardiac sprays or patches are applied, and a sustained release preparation is applied for 2 weeks to 6 months. More preferably, a sustained-release preparation for 2 weeks to 3 months is used.
- FIG. 2 is a schematic diagram for explaining an example of a procedure for attaching the treatment material when the treatment material for severe heart failure of the present invention is applied to a human heart.
- a sheet for example, a gelatin sheet
- 102 is attached to the lower part (the location is not necessarily limited) of the heart 10.
- a protective sheet agent 104 may be attached for the purpose of protecting the sheet agent 102 as necessary. It is desirable that the protective sheet 104 is designed to be somewhat larger than the sheet 102 so that the entire outer surface of the sheet 102 can be covered.
- the protective sheet agent 104 is also made of a material such as a gelatin sheet. Thereafter, as shown in FIG. 2C, the myocardial support device 106 arrives so as to surround the entire lower part (ventricular portion) of the heart 10 so as to further cover the protective sheet agent 104.
- the material for treating severe heart failure of the present invention includes a sustained release preparation of an in vivo regenerative factor production inducer, a sheet or spray using a bioabsorbable polymer as a sustained release preparation-retaining agent, and a myocardium.
- a sustained release formulation of an in vivo regenerative factor production inducer such as a prostaglandin (PG) I 2 agonist is applied to a heart or a myocardial support device using a bioabsorbable polymer sheet or spray.
- PG prostaglandin
- the prevention of severe heart failure by attaching to the heart an integrated myocardial support device in which a sustained-release preparation of a sustained-release preparation of PGI 2 agonist is coated on a myocardial support device using a bioabsorbable polymer and / or Alternatively, it can be used as a therapeutic material.
- the measurement method for evaluating the compound of the present invention is one in which measurement accuracy and measurement sensitivity are improved as follows.
- Example 1 Production of sustained-release preparation
- PLGA Polylactic acid-glycolic acid copolymer
- polylactic acid: glycolic acid 1: 1 (mol%), weight average molecular weight 50,000, PLGA 5-50, manufactured by Mitsui Chemicals, Inc.
- the supernatant was removed and dispersed with distilled water for injection (35 mL), and then centrifuged at 3,000 rpm for 10 minutes using a centrifuge.
- the supernatant was removed and dispersed with 0.2% Tween 80 solution (35 mL), followed by centrifugation at 3,000 rpm for 10 minutes using a centrifuge.
- the supernatant was removed, dispersed with distilled water for injection (35 mL), and centrifuged again at 3,000 rpm for 10 minutes using a centrifuge. Finally, the supernatant was removed, the precipitate was immersed in dry ice-methanol, frozen, and dried under reduced pressure to prepare a microsphere (MS) formulation of Compound 1.
- MS microsphere
- an MS formulation with a content of compound 1 As formulation example 1, an MS formulation with a content of compound 1; In addition, the content rate and average particle diameter of the compound 1 were measured by the method described later. The same applies to the following.
- Adjusted to pH 7 In 1.5 L, emulsified by adding near the shaft wing side using a pipette to obtain an o / w emulsion. The o / w emulsion was stirred at room temperature for about 4 hours to evaporate CH 2 Cl 2 and methanol, and the oil phase was solidified. Centrifugation (3,000 rpm, 10 minutes) was performed using a centrifuge (Hitachi, himac CR5B2), the supernatant was removed, and then dispersed with purified water (50 mL) and centrifuged (3,000 rpm, 10 minutes).
- the supernatant was removed, dispersed with a 0.2% (w / v) Tween 80 solution (30 mL), and centrifuged (3,000 rpm, 10 minutes). Further, the supernatant was removed, dispersed again with purified water (30 mL), centrifuged (3,000 rpm, 10 minutes), and after removing the supernatant, it was frozen with dry ice-methanol and dried under reduced pressure (about 12 hours). .
- the microsphere preparations of Formulation Examples 1, 2, 3, and 4 each had an encapsulation efficiency of 70% or more, a content rate of 15% to 20%, and an average particle size of 25 to 36 ⁇ m. there were.
- the particle size was measured with a Coulter counter (Multisizer III, Beckman® Coulter, Inc., USA).
- Fig. 3 shows the release results of the microsphere formulations produced in Formulation Examples 1, 2, and 4, and Fig. 4 shows the results of the microsphere formulation produced in Formulation Example 3.
- the microsphere preparation of Preparation Example 3 released 90% or more of Compound 1 in about 4 months. Further, as shown in FIG. 3, the microsphere preparations of Preparation Examples 1 and 4 released 90% or more of Compound 1 in about 4 weeks.
- Preparation Example 2 showed blood kinetics for about 2 weeks, and Preparation Examples 1 and 4 showed blood kinetics for about 4 weeks (FIG. 5). In addition, Formulation Example 3 showed blood kinetics for about 4 months (FIG. 6).
- the cross-linked gelatin sheet and Formulation Example 1-containing gelatin sheet preparation were adhered using a small amount of water, and then air-dried for a certain time to obtain a two-layer sheet.
- the three-dimensional data acquired by CT scan was directly divided into two-dimensional data and developed to obtain pattern data that fits the unique heart of dogs and humans without producing a heart model.
- FIG. 7 (b) Using the pattern data obtained above as shown in FIG. 7 (b), using a polyglycolic acid suture thread 3-0 type (hereinafter abbreviated as 3-0 PGA thread) manufactured by Gunze Co., Ltd. A myocardial jacket (jacket A) that fits the natural shape of a dog and a human heart was obtained with a three-dimensional knitting machine without sewing (type SWG041) (FIG. 7 (c) (for dogs), FIG. 7 ( d) (for humans)).
- 3-0 PGA thread polyglycolic acid suture thread 3-0 type
- Preparation Example 7 Preparation of Myocardial Support Device (Polyester)
- 3-0 PGA thread polyglycolic acid suture thread 3-0 type
- a non-sewing computer flat knitting machine (MACH2) using polyester (medical suture 6-0 (knitting yarn) / Shirakawa Co., Ltd., Teflon (registered trademark) coated polyester yarn) is used.
- -153X15L manufactured by Shima Seiki Seisakusho Co., Ltd.
- the base portion of the heart was bound and a myocardial jacket was obtained.
- the amount of Formulation Example 1 immobilized on the surface of Formulation Example 6 could be controlled ((b) (low concentration) in FIG. 8, FIG. 8). (C) (high concentration)).
- Group composition Group composition; Group 1: Untreated group; re-examination chest, heart observation time of about 20 minutes was set.
- Group 2 Myocardial support device (Formulation Example 6) alone group: Only the myocardial support device was attached to the heart.
- Group 3 Compound 1 sustained release preparation (Formulation Example 1) alone group: Compound 1MS soaked in an atelocollagen sheet (compound 1 equivalent to 10 mg / kg) was attached to the entire ventricle and fixed with 5-0 proline .
- Group 4 Myocardial support device (Formulation Example 6) group and Compound 1 sustained release preparation (Formulation Example 1) group combined group; Compound 1 sustained release preparation (Formulation Example 1) was suspended in physiological saline (Compound 1) 10 mg / kg equivalent amount) and an atelocollagen sheet (Integran; Koken, 50 mm ⁇ 50 mm) were attached to the heart inside the myocardial support device (Formulation Example 6).
- Group 5 Myocardial support device (formulation example 6) group and compound 1MS formulation example 5 (gelatin sheet) combined group; after the sheet of preparation example 5 (equivalent to 10 mg / kg as compound 1) was applied to the heart, A myocardial support device was attached.
- Group 6 myocardial support device (formulation example 6) group and compound 1MS formulation example 3 (16-week sustained release formulation) combined group; compound 1 sustained release formulation (formulation example 3) suspended in physiological saline (compound 1 and equivalent to 30 mg / kg) and an atelocollagen sheet (Integran; Koken, 50 mm ⁇ 50 mm) were attached to the heart inside the myocardial support device (PGA; Formulation Example 6).
- Table 4 shows changes in blood brain natriuretic peptide (BNP) over time, and Table 5 shows changes in cardiac function; left ventricular ejection fraction (LVEF%). The same tendency was shown in other measurement items.
- the blood BNP concentration increases as the heart failure state increases in severity. In this model, it increased about 10.7 times in 8 weeks in the untreated group (Group 1), but it increased about 4.5 times in the single group (Group 2 and Group 3). On the other hand, in the combination group (4 group, 5 group, 6 group), the increase was suppressed by 2.8 times, and the number was significantly reduced. LVEF% is a value indicating how much blood can be produced by one stroke from the left ventricle, and the value decreases as the severity increases. After 8 weeks, the normal (Pre) value in the untreated group (Group 1) decreased from the normal value of 62% to 43%, indicating a severe heart failure state, but in the single group (Group 2 and Group 3) It was improved to about 50%. On the other hand, the combination group (groups 4, 5, and 6) further improved to 54%, and the effect was epoch-making.
- Group composition Group composition; Group 1; untreated group, Second group: Atelocollagen sheet alone group of Compound 1 obtained in Formulation Example 3, Group 3; myocardial support device (polyester) alone group of Formulation Example 7, Group 4: these (2, 3) combined administration group
- a cell-free cardiovascular / myocardial regeneration therapy that replaces heart transplantation, artificial heart, and cell transplantation therapy, for example, prevention of severe heart failure associated with dilated cardiomyopathy or severe ischemic cardiomyopathy and the like Useful for treatment. It is also useful for the prevention and / or treatment of chronic rejection associated with heart transplantation, congestive heart failure, right heart failure due to pulmonary hypertension, and diastolic failure.
- Heart 10 Myocardial support device 100,106 Sheet agent 102 Protective sheet 104
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Abstract
Description
R1は、水素原子またはC1~4アルキル基であり、
R2は、(i)水素原子、(ii)分岐または環を形成していてもよいC1~8アルキル基、(iii)フェニル基またはC4~7シクロアルキル基、(iv)窒素原子1個を含む4~7員単環、(v)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(vi)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基であり、
R3は、(i)分岐または環を形成していてもよいC1~8アルキル基、(ii)フェニル基またはC4~7シクロアルキル基、(iii)窒素原子1個を含む4~7員単環、(iv)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(v)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基であり、
eは3~5の整数であり、fは1~3の整数であり、pは1~4の整数であり、qは1または2であり、そしてrは1~3の整数であり、ただし、
まず、本発明の重症心不全治療材について詳述する。
本明細書中、体内再生因子としては、例えば、血管内皮細胞増殖因子(VEGF)、肝細胞増殖因子(HGF)、各種の線維芽細胞増殖因子(a/b-FGF)、形質転換増殖因子-β(TGF-β)、血小板由来増殖因子(PDGF)、アンジオポエチン、低酸素誘導因子(HIF)、インスリン様成長因子(IGF)、骨形成蛋白質(BMP)、結合組織成長因子(CTGF)、上皮細胞増殖因子(EGF)、神経成長因子(NGF)、脳由来神経栄養因子(BDNF)、グリア細胞由来神経栄養因子(GDNF)、幹細胞因子(SCF)、ストローマ細胞由来因子(SDF-1)、顆粒球コロニー刺激因子(G-CSF)、ケラチノサイト増殖因子(KGF)、軟骨細胞成長因子(GDF)、白血球増殖抑制因子(LIF)、およびクルッペル様転写因子(KLF)等、またはそのファミリーの増殖因子等が挙げられる。また、細胞外マトリックス(例えば、フィブロネクチン類、ラミニン類、プロテオグリカン類等)、および細胞接着因子(例えば、カドヘリン類、インテグリン類等)等も含まれる。
R1は、水素原子またはC1~4アルキル基を表わし、
R2は、(i)水素原子、(ii)C1~8アルキル基、(iii)フェニル基またはC4~7シクロアルキル基、(iv)窒素原子1個を含む4~7員単環、(v)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(vi)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基を表わし、
R3は、(i)C1~8アルキル基、(ii)フェニル基またはC4~7シクロアルキル基、(iii)窒素原子1個を含む4~7員単環、(iv)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(v)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基を表わし、
eは3~5の整数を表わし、fは1~3の整数を表わし、pは1~4の整数を表わし、qは1または2を表わし、rは1~3の整数を表わす、ただし、
本発明の重症心不全治療材において、薬剤を心筋または心筋サポートデバイスに固定させ、持続的に薬効を発揮させるとともに、当該心筋サポートデバイスの効果と相まって、重症心不全に対し相乗的な効果を発揮するための重要な役割を担っているのが、薬剤保持剤である。
本発明の重症心不全治療材において、心筋サポートデバイスそれ自体は従来より周知のデバイスであってもよい。心筋サポートデバイスの製造方法については、例えば、国際公開第2000/002500号公報、国際公開第2001/095832号公報および特許第4582549号に開示されている。
本発明における心筋サポートデバイスと徐放性製剤の併用または一体型心筋サポートデバイスの適応は、心疾患(例えば、心筋梗塞、狭心症、上室性頻脈性不整脈、うっ血性心不全、拡張不全、特発性心筋症、拡張型心筋症、心房細動、心筋炎、心臓移植慢性拒絶等)である重症心不全に関する。
本発明における持続性製剤の臓器貼付投与としては、疾患の部位へ本発明の薬剤の持続性製剤、または本発明の薬剤の持続性製剤と他の薬剤の併用剤を局所的に供給できればよく、その投与方法は特に限定されない。例えば、貼付剤、スプレー剤、フィルム剤、軟膏剤、シート剤、医療用具(ネット、ステント、糸、布等)に本発明の薬剤の持続性製剤、または本発明の薬剤の持続性製剤と他の薬剤の併用剤を含有させた医療用具含有剤、またはコーティングしたコーティング剤、顆粒剤、散剤等の固形製剤、貼付剤、ゲル剤、軟膏剤、フィルム剤、生体内分解重合体に封入された製剤、または封入された医療用具等が挙げられる。
(製剤例1;4週間徐放性製剤)
ポリ乳酸-グリコール酸共重合体(以下、PLGAと略記する)(ポリ乳酸:グリコール酸=1:1(モル%)、重量平均分子量50,000、PLGA5-50、三井化学株式会社製)100mgと米国特許第5480998号公報に記載の方法を用いて得た化合物1(25mg)のジクロロメタン/メタノール(1mL)溶液を調製した。TKロボミックス(特殊機化、MARK II 2.5型)を用いて、5,000rpmで撹拌した0.1%ポリビニルアルコール(ナカライテスク株式会社)水溶液(pH3.0、1N塩酸により調整)300mL中に、上記で調製した溶液を加え、室温で3分間撹拌し、O/Wエマルジョンとした。このO/Wエマルジョンを室温で2時間撹拌し、ジクロロメタンを揮発させ、油相を固化させた後、遠心分離器(日立、05PR-22)を用いて、3,000rpmで10分間遠心分離した。上清を除き、注射用蒸留水(35mL)で分散後、遠心分離器を用いて、3,000rpmで10分間遠心分離した。上清を除き、0.2%Tween80液(35mL)で分散後、遠心分離器を用いて、3,000rpmで10分間遠心分離した。上清を除き、注射用蒸留水(35mL)で分散後、再び遠心分離器を用いて、3,000rpmで10分間遠心分離した。最終的に上清を除き、沈殿物をドライアイス-メタノールに浸し、凍結後、減圧下で乾燥させることによって、化合物1のマイクロスフェア(MS)製剤を製造した。
ポリ乳酸-グリコール酸共重合体(以下、PLGAと略記する)(ポリ乳酸:グリコール酸=1:1(モル%)、重量平均分子量20,000、PLGA5020、和光純薬工業株式会社)100mgと、米国特許第5480998号公報に記載の方法を用いて得た化合物1(25mg)のジクロロメタン/メタノール(1mL)溶液を調製した。それ以降の操作は製剤例1と同様に行なうことにより、化合物1のマイクロスフェア(MS)製剤を製造した。
PLA0020(和光純薬工業株式会社製);1g、米国特許第5480998号公報に記載の方法を用いて得た化合物1;250 mgをCH2Cl2 10mLに懸濁させ、メタノール2mLを加えて溶解させた。この溶液をヒスコトロン(株式会社日音医科理科機器製作所、ホモジナイザーNS-60型、ジェネレーターシャフトNS-20型)を用いて、5,000rpmで撹拌させた0.1%(w/v)PVA溶液(リン酸でpH7に調整)1.5L中に、ピペットを用いてシャフト羽横付近に加え乳化させ、o/wエマルションとした。このo/wエマルションを室温で約4 時間撹拌しCH2Cl2およびメタノールを揮発させ、油相を固化させた。遠心分離機(日立、himac CR5B2)を用いて遠心分離(3,000rpm、10分)し、上清を除去した後、精製水(50mL)で分散させ、遠心分離(3,000rpm,10分)した。その上清を除去し、0.2%(w/v)Tween80溶液(30mL)で分散させ、遠心分離(3,000rpm、10分)した。さらに上清を除去し、再度精製水(30mL)で分散させ、遠心分離(3,000rpm、10分)し、上清を除去後、ドライアイス-メタノールで凍結させ、減圧乾燥(約12時間)した。
上記製剤例1で製造したMS製剤と、製剤例2で製造したMS剤を1:1(W/W)で混合し、化合物1のMS製剤を製造した。
製剤例1、2、3および4で製造したマイクロスフェア(それぞれ約10mg)に適当な内部標準含有のアセトニトリル溶液を加えて、超音波処理し、溶解した。この各溶液中の化合物1の含有量を高速液体クロマトグラフィー(HPLC)で測定し、マイクロスフェア中の化合物1の封入効率を次式により算出した。
封入効率(%)=(測定含有量/理論上の含有量)×100
製剤例1、2、3および4で製造したマイクロスフェア(MS)製剤を、サンプリングポイント毎に3mgを秤量し(n=3)、0.2(w/v)%Tween80含有 1/15M pH7リン酸緩衝液10mLを加え、ボルテックス(10秒)及び超音波(20秒)により、均一に分散させた後、37℃恒温層で静置させた。経時的に容器ごとサンプリングし、遠心分離(2,000rpm、5分)して上清4mLと、残りの上清を除いて得られたペレットを冷凍保存した。
SD系雄性ラット(SPF、日本エスエルシー株式会社(浜松))を用いて血中動態を測定した。上記化合物1量として10mg(製剤例1、2、4;2週間および4週間リリース製剤)相当量/kg、および50mg(製剤例3;4ヶ月リリース製剤)相当量/kgを23Gディスポーザル注射針(テルモ)およびディスポーザル注射筒2.5mL用(テルモ)を用いて懸濁液を背部皮下に単回投与を行った。投与量は5mL/kgで投与した。各群の例数は、5匹で行った。
新田ゼラチン社製ゼラチンLS-Wに蒸留水を添加後、マグネチックスターラーで適宜攪拌し、ゼラチン2wt%水溶液を調製した。得られたゼラチン2wt%水溶液をシャーレに流延後、クリーンベンチ内に静置し、室温下で約48時間送風乾燥(以下、風乾と略す)し、フィルム状のゼラチンシートを得た。得られたゼラチンシートを真空下で、110~150℃、6~24時間の熱脱水架橋処理を施すことにより、6cm角の水に難溶性の架橋ゼラチンシートを得た。
イヌおよびヒトの心臓の三次元データをCTスキャンにより取得した。次に、この得られた三次元データを元に、三次元立体構造を持つイヌおよびヒトの心臓固有の心臓模型を光造形技術により作製した(図7の(a))。続いて、イヌおよびヒトの心臓固有の光造形製心臓模型に丁度フィットする形状の薄いフィルム層を作製した(図7の(b))。最後に、得られたフィルムを切開・展開し、複雑三次元形状を持つイヌおよびヒトの固有の心臓にフィットする型紙を得た。
方法; 製剤例6で得られたデバイスの表面に、直接的に製剤例1を固定化する方法を鋭意検討した結果、製剤例6のデバイスに対して、製剤例5で得られた製剤例1含有ゼラチン水溶液を噴霧状に複数回スプレー塗布する事で、製剤例6の表面に分散性良く、製剤例1を固定化させることが出来た(図8の(a))。続いて、製剤例5と同様に熱脱水架橋処理を施すことにより、水に難溶性のゼラチン層で被膜された、製剤例1固定化心筋ジャケットを作製することが出来た。
実験動物:TOYOビーグル犬、雌性、体重約10kg、月齢約6ヶ月(オリエンタル酵母)を用いた。
1群:未治療群;再開胸し、心臓観察時間約20分を設定した。
2群:心筋サポートデバイス(製剤例6)単独群;心筋サポートデバイスのみ を心臓に装着させた。
3群:化合物1徐放性製剤(製剤例1)単独群;アテロコラーゲンシートに化合物1MSを浸したもの(化合物1として10mg/kg相当量)を心室全面に付着させ、5-0プロリンで固定した。
4群:心筋サポートデバイス(製剤例6)群と化合物1徐放性製剤(製剤例1)群の併用群;化合物1徐放性製剤(製剤例1)を生理食塩水に懸濁し(化合物1として10mg/kg相当量)、アテロコラーゲンシート(インテグラン;高研、50mm×50mmの2枚)に浸したものを心筋サポートデバイス(製剤例6)の内側の心臓に付着させた。
5群:心筋サポートデバイス(製剤例6)群と化合物1MS製剤例5(ゼラチンシート)の併用群;製剤例5のシート剤(化合物1として10mg/kg相当量)を心臓に貼付後、その上から心筋サポートデバイスを装着した。
6群:心筋サポートデバイス(製剤例6)群と化合物1MS製剤例3(16週間徐放性製剤)の併用群;化合物1徐放性製剤(製剤例3)を生理食塩水に懸濁し(化合物1として30mg/kg相当量)、アテロコラーゲンシート(インテグラン;高研、50mm×50mmの2枚)に浸したものを心筋サポートデバイス(PGA;製剤例6)の内側の心臓に付着させた。
実験動物:TOYOビーグル犬;雌性、体重約10kg、月齢約6ヶ月(オリエンタル酵母)を用いた。
第1群;未治療群、
第2群;製剤例3で得られた化合物1のアテロコラーゲンシート単独群、
第3群;製剤例7の心筋サポートデバイス(ポリエステル)単独群、
第4群;これら(2、3群)の併用投与群
心筋サポートデバイス 100,106
シート剤 102
保護シート剤 104
Claims (27)
- 薬剤、薬剤保持剤、および心筋サポートデバイスを備える、重症心不全治療材。
- 前記薬剤が体内再生因子産生誘導剤である、請求項1に記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤が徐放性製剤である、請求項2に記載の重症心不全治療材。
- 前記薬剤保持剤が徐放性製剤保持剤である、請求項1に記載の重症心不全治療材。
- 体内再生因子産生誘導剤の徐放性製剤、徐放性製剤保持剤および心筋サポートデバイスを備える、請求項1から4のいずれかに記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤の徐放性製剤が、前記徐放性製剤保持剤とともにシート剤またはスプレー剤を構成する、請求項5に記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤の徐放性製剤が、前記徐放性製剤保持剤を介して前記心筋サポートデバイスにコーティングされている、請求項5または6に記載の重症心不全治療材。
- 前記徐放性製剤保持剤が生体吸収性高分子である、請求項5から7のいずれかに記載の重心不全治療材。
- 前記生体吸収性高分子が、フィブリン、ゼラチン、コラーゲン、およびヒアルロン酸からなる群より選択される少なくとも1種の高分子である、請求項8に記載の重症心不全治療材。
- 前記生体吸収性高分子が、フィブリン、アテロコラーゲンおよびゼラチンからなる群より選択される少なくとも1種の天然高分子である、請求項9に記載の重症心不全治療材。
- 前記生体再生因子産生誘導剤の徐放性製剤が生体分解性高分子を用いて作製される請求項5から7のいずれかに記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤が、プロスタグランジンI2アゴニスト、EP2アゴニスト、およびEP4アゴニストからなる群より選択される少なくとも1種である、請求項5から11のいずれかに記載の重症心不全治療材。
- 前記プロスタグランジンI2アゴニストが、以下の一般式(I):
R1は、水素原子またはC1~4アルキル基であり、
R2は、(i)水素原子、(ii)分岐または環を形成していてもよいC1~8アルキル基、(iii)フェニル基またはC4~7シクロアルキル基、(iv)窒素原子1個を含む4~7員単環、(v)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(vi)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基であり、
R3は、(i)分岐または環を形成していてもよいC1~8アルキル基、(ii)フェニル基またはC4~7シクロアルキル基、(iii)窒素原子1個を含む4~7員単環、(iv)ベンゼン環またはC4~7シクロアルキル基で置換されているC1~4アルキル基、または(v)窒素原子1個を含む4~7員単環で置換されているC1~4アルキル基であり、
eは3~5の整数であり、fは1~3の整数であり、pは1~4の整数であり、qは1または2であり、そしてrは1~3の整数であり、ただし、
- 前記プロスタグランジンI2アゴニストが、(E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸またはその塩である、請求項12に記載の重症心不全治療材。
- 前記プロスタグランジンI2アゴニストが、(±)-(1R,2R,3aS,8bS)-2,3,3a,8b-テトラヒドロ-2-ヒドロキシ-1-[(E)-(3S,4RS)-3-ヒドロキシ-4-メチル-1-オクテン-6-イニル]-1H-シクロペンタ[b]ベンゾフラン-5-ブタン酸またはその塩である、請求項12に記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤が、(E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸の徐放性製剤である、請求項5から11のいずれかに記載の重症心不全治療材。
- 前記体内再生因子産生誘導剤が、(E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸のマイクロスフェア(MS)製剤である、請求項16に記載の重症心不全治療材。
- 前記マイクロスフェア製剤が、生体分解性高分子であるポリ乳酸、ポリグルコール酸または乳酸-グリコール酸共重合体またはそれらの混合物、またはハイドロゲルからなる、請求項17に記載の重症心不全治療材。
- 前記生体分解性高分子が、5,000~50,000の重量平均分子量を有するポリ乳酸、ポリグリコール酸または乳酸-グリコール酸共重合体またはそれらの混合物、またはハイドロゲルからなる、請求項18に記載の重症心不全治療材。
- 前記マイクロスフェア製剤における薬物含有率が15~20%であり、平均粒子径が25~36μmである、請求項17から19のいずれかに記載の重症心不全治療材。
- 前記心筋サポートデバイスが、ポリエステル、芳香族ポリアミド繊維、ポリグリコール酸、ポリ乳酸、およびポリジオキサノンからなる群から選択される少なくとも1種の高分子から構成される、請求項1から20のいずれかに記載の重症心不全治療材。
- 前記心筋サポートデバイスが、ポリエステルまたはポリグリコール酸からなる群から選択される少なくとも1種の高分子から構成される、請求項21に記載の重症心不全治療材。
- 体内再生因子産生誘導剤が(E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸のマイクロスフェア製剤であり、徐放性製剤保持剤がフィブリン、アテロコラーゲンまたはゼラチンであり、心筋サポートデバイスがポリエステル縫合糸またはポリグリコール酸縫合糸で構成されている、請求項5に記載の重症心不全治療材。
- (E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸のマイクロスフェア製剤を浸含させたアテロコラーゲンシートまたは当該マイクロスフェア製剤を浸含させたゼラチンシート、およびポリエステル縫合糸またはポリグリコール酸縫合糸で構成された心筋サポートデバイスを備える、請求項23に記載の重症心不全治療材。
- (E)-[5-[2-[1-フェニル-1-(3-ピリジル)メチリデンアミノオキシ]エチル]-7,8-ジヒドロナフタレン-1-イルオキシ]酢酸のマイクロスフェア製剤を含有したアテロコラーゲン水溶液または当該マイクロスフェア製剤を含有したゼラチン水溶液またはフィブリン水溶液を、ポリエステル縫合糸またはポリグリコール酸縫合糸で構成された心筋サポートデバイスにスプレー塗布して構成される、請求項23に記載の重症心不全治療材。
- 拡張型心筋症、重症虚血性心筋症、炎症性心筋炎、心臓移植に伴う慢性拒絶、うっ血性心不全、肺高血圧症等による右心不全、または拡張不全の治療のために使用される、請求項1から25のいずれかに記載の重症心不全治療材。
- 哺乳動物の心臓外部に装着するために使用される、請求項1から26のいずれかに記載の重症心不全治療材。
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EP13838722.0A EP2898902B1 (en) | 2012-09-21 | 2013-09-13 | Advanced heart failure treatment material as myocardial/cardiovascular regeneration device |
ES13838722T ES2730410T3 (es) | 2012-09-21 | 2013-09-13 | Material para el tratamiento de insuficiencia cardíaca avanzada como dispositivo de regeneración miocárdica/cardiovascular |
US14/429,565 US9597436B2 (en) | 2012-09-21 | 2013-09-13 | Advanced heart failure treatment material as myocardial/cardiovascular regeneration device |
JP2014536844A JP6314349B2 (ja) | 2012-09-21 | 2013-09-13 | 心筋・血管再生デバイスとしての重症心不全治療材 |
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WO2022203070A1 (ja) * | 2021-03-25 | 2022-09-29 | 国立大学法人大阪大学 | 心機能改善用医薬組成物 |
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AU2019374743B2 (en) | 2018-11-08 | 2022-03-03 | Neovasc Tiara Inc. | Ventricular deployment of a transcatheter mitral valve prosthesis |
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AU2020271896B2 (en) | 2019-04-10 | 2022-10-13 | Neovasc Tiara Inc. | Prosthetic valve with natural blood flow |
WO2020236931A1 (en) | 2019-05-20 | 2020-11-26 | Neovasc Tiara Inc. | Introducer with hemostasis mechanism |
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KR20220079563A (ko) * | 2019-09-16 | 2022-06-13 | 인스티튜트 오브 주올로지, 차이니즈 아카데미 오브 사이언스 | 조직 재생을 위한 방법 및 조성물 |
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Cited By (2)
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---|---|---|---|---|
WO2018124236A1 (ja) | 2016-12-27 | 2018-07-05 | 国立大学法人大阪大学 | 難治性心疾患治療用医薬組成物 |
WO2022203070A1 (ja) * | 2021-03-25 | 2022-09-29 | 国立大学法人大阪大学 | 心機能改善用医薬組成物 |
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JPWO2014046065A1 (ja) | 2016-08-18 |
EP2898902B1 (en) | 2019-03-20 |
EP2898902A4 (en) | 2016-04-06 |
US20150231312A1 (en) | 2015-08-20 |
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