WO2022037599A1 - 二氢卟吩衍生物或其可药用盐、其制备方法、用途、及其与超声医疗系统的组合 - Google Patents
二氢卟吩衍生物或其可药用盐、其制备方法、用途、及其与超声医疗系统的组合 Download PDFInfo
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- WO2022037599A1 WO2022037599A1 PCT/CN2021/113191 CN2021113191W WO2022037599A1 WO 2022037599 A1 WO2022037599 A1 WO 2022037599A1 CN 2021113191 W CN2021113191 W CN 2021113191W WO 2022037599 A1 WO2022037599 A1 WO 2022037599A1
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- compound
- transducer
- pharmaceutically acceptable
- acceptable salt
- ultrasonic
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Classifications
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- A61K41/0057—Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent
- A61K41/0071—PDT with porphyrins having exactly 20 ring atoms, i.e. based on the non-expanded tetrapyrrolic ring system, e.g. bacteriochlorin, chlorin-e6, or phthalocyanines
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- A61K41/0028—Disruption, e.g. by heat or ultrasounds, sonophysical or sonochemical activation, e.g. thermosensitive or heat-sensitive liposomes, disruption of calculi with a medicinal preparation and ultrasounds
- A61K41/0033—Sonodynamic cancer therapy with sonochemically active agents or sonosensitizers, having their cytotoxic effects enhanced through application of ultrasounds
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- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
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- A61B17/225—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
- A61B17/2251—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves characterised by coupling elements between the apparatus, e.g. shock wave apparatus or locating means, and the patient, e.g. details of bags, pressure control of bag on patient
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Definitions
- the present invention belongs to the field of biomedicine, in particular, the present invention relates to a chlorin derivative or a pharmaceutically acceptable salt thereof, a preparation method thereof, and an antitumor comprising the chlorin derivative or a pharmaceutically acceptable salt thereof Composition, use of the chlorin derivative or a pharmaceutically acceptable salt thereof in the preparation of an antitumor drug, and a combination of the chlorin derivative or a pharmaceutically acceptable salt thereof and an ultrasonic medical system for treating a patient Comprehensive treatment.
- Photodynamic therapy (PDT) and sonodynamic therapy (SDT), respectively, are stimulated by light or ultrasonic waves through photosensitizer (photosensitizer) or sonosensitizer (sonosensitizer), thereby triggering chemical reaction to kill.
- photosensitizer photosensitizer
- sonosensitizer sonosensitizer
- Photodynamic therapy is a new method of treating tumors or other diseases with photosensitizing drugs and laser activation, which uses photosensitizers to generate singlet oxygen ( 1 O 2 ), and free radicals to kill tumor cells.
- photosensitizers to generate singlet oxygen ( 1 O 2 ), and free radicals to kill tumor cells.
- 1 O 2 singlet oxygen
- PDT has the advantages of less side effects and no damage to internal organs, but it is not enough for the treatment of deep tumors in the body.
- some photosensitive compounds in experimental studies also have ultrasound sensitivity.
- Sonodynamic therapy is a new therapy developed on the basis of photodynamic therapy (PDT) for the clinical treatment of malignant and deep tumors.
- Ultrasound has the characteristics of penetrating the body, non-invasive and non-invasive.
- the sound-sensitive molecules used have tumor tissue targeting properties, like molecular machines, which respond after being given ultrasonic power, operate efficiently, and exert anti-tumor efficacy.
- ultrasonic cavitation is formed in the tumor site enriched with sound-sensitive drugs, and singlet oxygen with tumor cell killing power and biochemical reactions are generated, which can induce tumor cell apoptosis or death, and has a negative impact on chemotherapy, photodynamic therapy, etc. Treatment, etc. have a superimposing effect.
- sonodynamic therapy Compared with photodynamic therapy, sonodynamic therapy has the following advantages: 1. It can not only treat superficial tumors in the human body, but also treat deep tumors in any part of the human body. The treatment of deep tumors does not need to go through an endoscope. Ultrasound irradiation, the patient has no pain; 2. The patient does not need to be protected from light after treatment, and the treatment can be repeated at any time; 3. It can effectively prevent the metastasis of malignant tumors, which is an effective way to kill malignant tumors.
- the light and sound sensitizers reported so far have the disadvantages of large differences in selectivity to tumor cells, short irradiation wavelength, narrow therapeutic window, poor solubility under physiological conditions and slow clearance rate in vivo, which are difficult to reflect clinical value.
- the treatment system used is single in structure and small in size, and can only act on the part of the patient, but cannot treat the patient in an all-round way, and cannot effectively kill the current medical equipment and instruments. Detectable very small malignant tumors that have developed lesions in the human body.
- the existing treatment system cannot treat them in a timely and effective manner. Since the existing ultrasonic treatment systems are all single-headed transducers and treat lesions in different parts of the same patient, doctors cannot perform simultaneous treatment and selection of ultrasonic transducers according to the needs of treatment. Moreover, the use of a single-head ultrasonic transducer for systemic treatment of patients requires continuous work for more than tens of hours to complete, thus greatly increasing the workload of doctors, resulting in unbearable treatment time for patients and missing the best treatment. opportunity. Therefore, people in the medical field hope to have a device that can fully irradiate the human body, its energy exceeds the energy of light, can reach the deep part of the human body, and activate drugs to kill cancer cells in the deep part of the human body.
- the present invention designs and synthesizes a chlorin derivative or a pharmaceutically acceptable salt thereof, and uses it as a photoacoustic sensitizer, thereby applying it to the treatment of tumors.
- the present invention also combines the photoacoustic sensitizer as a sonosensitizer with an ultrasonic medical system, so as to perform omnidirectional sonodynamic therapy on patients.
- the patient can be given the chlorin derivative of the present invention or a pharmaceutically acceptable salt thereof first, and then the patient can be treated with all-round sonodynamic therapy.
- the treatment parameters of each part of the ultrasonic transducer can be modified at any time according to the treatment needs of the part and the feeling of the patient, so as to achieve an ultrasonic medical system with the best curative effect.
- the present invention provides a chlorin derivative or a pharmaceutically acceptable salt thereof, having the structure shown in the following formula (I):
- R1 is :
- R 14 is -H, C 1 -C 6 alkoxy or C 1 -C 4 haloalkyl
- n is any integer from 2 to 7;
- R2 is C 1 -C 6 alkoxy or -OH, wherein, R 8 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 may be the same or different, and are each independently selected from C 1 -C 6 alkyl, and
- R 3 and R 4 are each independently C 1 -C 6 alkoxy or -OH;
- R 2 is C 1 -C 6 alkoxy or -OH
- R 3 and R 4 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 are as defined above,
- R 3 and R 4 is C 1 -C 6 alkoxy or -OH;
- M is 2H or a metal ion, eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- a metal ion eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- the present invention provides a method for preparing the chlorin derivative of the first aspect of the present invention or a pharmaceutically acceptable salt thereof, wherein the method comprises:
- R1 is where n is any integer from 2 to 7;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , wherein R 8 is as defined in the first aspect of the present invention;
- the compound of formula II(a) is hydrolyzed to generate the corresponding salt, that is, the compound of formula II(b);
- R1 is where n is any integer from 2 to 7;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or tetravalent metal ions such as Sn 4+ or Ti 4+ ;
- a metal chloride or acetate complex such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or tetravalent metal ions such as Sn 4+ or Ti 4+ ;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , wherein R 3 is as defined in the first aspect of the present invention;
- the compound of formula III(a) undergoes hydrolysis reaction to generate the corresponding salt, that is, the compound of formula III(b);
- R1 is where n is any integer from 2 to 7,
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , wherein R 4 is as defined in the first aspect of the present invention;
- the compound of formula IV(a) undergoes a hydrolysis reaction to generate the corresponding salt, ie, compound IV(b).
- the present invention provides an anti-tumor composition, the anti-tumor composition comprising: the chlorin derivative or a pharmaceutically acceptable salt thereof of the first aspect of the present invention, and a pharmaceutically acceptable salt thereof.
- acceptable excipients preferably, the antitumor composition is an injection formulation.
- the present invention provides the use of the chlorin derivative of the first aspect of the present invention or a pharmaceutically acceptable salt thereof in the preparation of an antitumor drug.
- the present invention provides a combination of the chlorin derivative or a pharmaceutically acceptable salt thereof according to the first aspect of the present invention and an ultrasonic medical system, the ultrasonic medical system comprising a transducer sound A bed and contact agent, wherein the transducer acoustic bed includes a base and a wall extending upwardly from the base; the base having at least one ultrasonic transducer at positions corresponding to the target's head, torso, and extremities, respectively , for transmitting ultrasonic waves to the target above it; the wall portion has at least one ultrasonic transducer at its position corresponding to the head and limbs of the target, respectively, for transmitting ultrasonic waves to the target; the contact An agent is used to transmit ultrasonic waves between the target and the ultrasonic transducer.
- the present invention provides a series of chlorin derivatives or pharmaceutically acceptable salts thereof by modifying chlorin e6, and uses them as photoacoustic sensitizers, thereby being used in tumor suppression and treatment.
- chlorin e6 is modified to obtain chlorin derivatives and corresponding pharmaceutically acceptable salts, and while the basic structure of chlorin e6 is retained to be used as a photoacoustic sensitizer, the chlorin e6 is greatly improved. It is water-soluble, and the chlorin derivatives or their pharmaceutically acceptable salts provided by the present invention can be used as injections for the treatment of tumors.
- the chlorin derivative or its pharmaceutically acceptable salt provided by the present invention has a longer absorption wavelength, which enables it to have enhanced tissue penetration, increased reactive oxygen species yield, and darkened when used as a photoacoustic sensitizer. The toxicity is weakened and the therapeutic effect is enhanced.
- chlorin derivative or its pharmaceutically acceptable salt provided by the present invention can generate a large amount of singlet oxygen under the action of light, which makes it have strong killing ability to tumor cells.
- chlorin derivatives or their pharmaceutically acceptable salts when used as photoacoustic sensitizers, they can also reduce the volume and weight of tumors, inhibit the metastasis of primary tumors, and have good effects on tumor inhibition and treatment. Effect.
- the omnidirectional ultrasonic medical system provided by the present invention effectively solves the problem of death of tumor patients, especially malignant tumor patients due to tumor spread and metastasis.
- the energy can successfully activate the sonosensitizer chlorin derivatives or their pharmaceutically acceptable salts to kill tumors in various parts of the body.
- the present invention can flexibly select the working parameters of the ultrasonic transducer during the process of acoustic dynamic therapy, thereby increasing the convenience of the doctor during the treatment and greatly shortening the treatment time of the patient.
- the invention uses in vitro ultrasound without any damage to the normal tissues of the human body, and kills malignant tumors without pain, and is a new system for treating malignant tumors with good selectivity and less side effects.
- chlorin derivatives or their pharmaceutically acceptable salts provided by the present invention can be used in combination with the above-mentioned omnidirectional ultrasonic medical system when used as a sonosensitizer, thereby effectively reducing the volume and weight of the tumor and inhibiting the primary It can greatly improve the killing ability of tumor cells, and has a good effect on tumor inhibition and treatment.
- Figure 1 is a bar graph showing the effect of compound 9-BA(Pd) treatment according to the present invention and ultrasound treatment alone or in combination on the weight of tumor tissue in mice with primary breast cancer (*P ⁇ 0.01-0.001 ).
- Figure 2 is a photograph showing the inhibitory effect of compound 9-BA(Pd) therapy and ultrasound therapy alone or in combination on lung metastasis of primary breast cancer according to the present invention.
- Fig. 3 is a photograph showing the inhibitory effect of compound 17-MPA treatment and ultrasound treatment alone or in combination on liver metastasis of colon cancer tumors according to the present invention.
- Figure 4 is a bar graph showing the effect of Compound 17-MPA treatment and ultrasound treatment alone or in combination on liver weight in mice according to the present invention (*P ⁇ 0.01-0.001).
- Figure 5 shows the effect of the compound 26-tFPL(Pd) according to the invention alone with CHC on cell survival with or without light irradiation.
- Figure 6 is an image showing the generation of intracellular singlet oxygen ( 1 O 2 ) in the presence of the scaffold molecule chlorin (CHC) and the compound 26-tFPL (Pd) according to the present invention.
- Figure 7 is a fluorescence imaging at the tumor site after intravenous injection of compound 26-tFPL(Pd) according to the present invention.
- Figure 8 is a photograph showing the effect of 26-tFPL(Pd) and photoradiation therapy alone or in combination on tumor volume in mice according to the present invention.
- Figure 9 shows a histogram of the effect of compound 26-tFPL(Pd) and photoradiation therapy alone or in combination on the weight of tumor tissue according to the present invention (p ⁇ 0.05(*), p ⁇ 0.005(**) and p ⁇ 0.05 (*)).
- Figure 10 shows a top view of a transducer acoustic bed 1 according to an embodiment of the present invention.
- Figure 11 shows a top view of a transducer acoustic bed 2 according to another embodiment of the present invention.
- Figure 12 shows a side view of the transducer module 3 according to one embodiment of the present invention.
- FIG. 13 shows a side view of a transducer module 4 with a two-dimensional numerically controlled motion device according to another embodiment of the present invention.
- Figure 14 shows a top view of an ultrasound medical system 100 according to one embodiment of the present invention.
- Figure 15 shows a top view of an ultrasound medical system 300 according to another embodiment of the present invention.
- FIG. 16 shows a block diagram of an ultrasound medical system 500 with a PLC automatic control system according to yet another embodiment of the present invention.
- Figure 17 shows the transducing head of the ultrasound transducer 8 according to one embodiment of the present invention.
- Figure 18 shows a flow chart of the operation of the ultrasound medical system 100 according to one embodiment of the present invention.
- FIG. 19 shows a flow chart of the operation of an ultrasound medical system 300 according to another embodiment of the present invention.
- FIG. 20 shows a work flow diagram of an ultrasound medical system 500 with a PLC automatic control system according to yet another embodiment of the present invention.
- FIG. 21 shows the man-machine interface of the main screen of the PLC automatic control system according to the present invention.
- FIG. 22 shows the human-machine interface of the patient treatment area selection of the PLC automatic control system according to the present invention.
- FIG. 23 shows the working mode of the PLC automatic control system according to the present invention and the man-machine interface for sound intensity setting.
- FIG. 24 shows lesion information generated by the ultrasound medical system according to the present invention.
- alkyl refers to a straight or branched chain alkyl group having the indicated number of carbon atoms.
- illustrative examples of “alkyl” include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl or n-hexyl, and the like.
- haloalkyl refers to a group formed by replacing one or more hydrogen atoms in an alkyl group with a halogen such as F, Cl, Br, I.
- the "haloalkyl” of the present invention includes fluoroalkyl, chloroalkyl, bromoalkyl and iodoalkyl according to the type of halogen atom.
- the "haloalkyl group” of the present invention includes a monohaloalkyl group, a dihaloalkyl group, and a polyhaloalkyl group.
- haloalkyl include monofluoromethyl, difluoromethyl, trifluoromethyl, trifluoroethyl, trifluoro-n-propyl, trifluoro-n-butyl, and the like.
- alkoxy refers to a group in which a straight or branched chain alkyl group having the indicated number of carbon atoms is attached to an oxygen and through the oxygen to the rest of the molecule.
- alkoxy include methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, t-butoxy, n-pentoxy, or n-hexyloxy, and the like .
- substituted terminal olefins include propylene, 1-hexene, p-methoxystyrene, p-trifluoromethylstyrene and the like.
- chlorin e6 is a very important photoacoustic sensitizer, which is one of the chlorophyll degradation derivatives, and has an ideal tumor photoacoustic dynamic effect.
- chlorin e6 has many advantages, such as high tumor-specific aggregation, fast absorption at tumor sites, fast in vivo clearance, and less toxic and side effects.
- chlorin e6 also has disadvantages such as poor water solubility and relatively low activity when used as a photoacoustic sensitizer.
- the invention improves its photoacoustic dynamic activity and water solubility by modifying some functional groups on the chlorin e6 structure.
- the present invention provides a chlorin derivative or a pharmaceutically acceptable salt thereof, the chlorin derivative or a pharmaceutically acceptable salt thereof having the following formula (I) The structure shown:
- R1 is :
- R 14 is -H, C 1 -C 6 alkoxy or C 1 -C 4 haloalkyl
- n is any integer from 2 to 7;
- R2 is C 1 -C 6 alkoxy or -OH, wherein, R 8 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 may be the same or different, and are each independently selected from C 1 -C 6 alkyl, and
- R 3 and R 4 are each independently C 1 -C 6 alkoxy or -OH;
- R 2 is C 1 -C 6 alkoxy or -OH
- R 3 and R 4 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 are as defined above,
- R 3 and R 4 is C 1 -C 6 alkoxy or -OH;
- M is 2H or a metal ion, eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- a metal ion eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- R 14 can be a substituent at any position on the phenyl such as ortho, meta or para.
- R 14 is a para substituent.
- C 1 -C 6 alkoxy refers to a group obtained by connecting a straight-chain or branched-chain alkyl group having 1 to 6 carbon atoms to an oxygen atom. Therefore, in the structure represented by formula (I), when R 14 , R 2 , R 3 , and R 4 are C 1 -C 6 alkoxy, for example, methoxy, ethoxy, n- Propoxy, isopropoxy, n-butoxy, isobutoxy, tert-butoxy, n-pentoxy or n-hexyloxy and the like.
- R 14 , R 2 , R 3 , R 4 are methoxy (-OCH 3 ).
- C 1 -C 4 haloalkyl refers to a straight or branched chain alkyl group having 1-4 carbon atoms in which one or more hydrogen atoms are substituted by halogen such as F, Cl, Br, I. obtained group. Therefore, in the structure represented by formula (I), when R 14 is C 1 -C 4 haloalkyl, it can be, for example, monofluoromethyl, difluoromethyl, trifluoromethyl, trifluoroethyl, Trifluoro-n-propyl, trifluoro-n-butyl, etc. Preferably, R 14 is trifluoromethyl (-CF 3 ).
- R 14 is When , it can be specifically ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, or n-heptyl.
- R 14 is n-butyl.
- the pharmaceutically acceptable salt of the chlorin derivative is the sodium or potassium salt corresponding to the carboxylate in the chlorin derivative, or any other suitable pharmaceutically acceptable salt form.
- the chlorin derivative or a pharmaceutically acceptable salt thereof is:
- R1 is where n is any integer from 2 to 7,
- R 3 , R 4 and R 8 are any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 are as defined above;
- the chlorin derivative or a pharmaceutically acceptable salt thereof is:
- the present invention provides a method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, wherein the method comprises:
- R1 is where n is any integer from 2 to 7;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , wherein R 8 is as defined above;
- the compound of formula II(a) is hydrolyzed to generate the corresponding salt, that is, the compound of formula II(b);
- R1 is where n is any integer from 2 to 7;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or tetravalent metal ions such as Sn 4+ or Ti 4+ ;
- a metal chloride or acetate complex such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or tetravalent metal ions such as Sn 4+ or Ti 4+ ;
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , where R 3 is as defined above;
- a metal chloride or acetate complex such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , where R 3 is as defined above;
- the compound of formula III(a) undergoes hydrolysis reaction to generate the corresponding salt, that is, the compound of formula III(b);
- R1 is where n is any integer from 2 to 7,
- M is 2H, or becomes a metal ion after reacting with a metal chloride or acetate complex, such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , where R 4 is as defined above;
- a metal chloride or acetate complex such as a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion such as Sn 4+ or Ti 4+ , where R 4 is as defined above;
- the compound of formula IV(a) undergoes a hydrolysis reaction to generate the corresponding salt, ie, compound IV(b).
- step a1 in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step a1, in a 5% sulfuric acid methanol (MeOH) solution, dihydrogen Porphine e6 is esterified with methanol to obtain compound 2.
- MeOH sulfuric acid methanol
- the reaction solvent is dimethylformamide (DMF)
- the condensing agent is Benzotriazole-N,N,N',N'-tetramethylurea hexafluorophosphate (HBTU), and/or N,N-diisopropylethylamine (DIEA).
- the molar ratio of compound 2 to HBTU, DIEA, ⁇ -alanine tert-butyl ester hydrochloride is 1:1-2:2-5:2-3.
- the catalyst in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step c1, the catalyst is Grubbs' Catalyst, and the reaction solvent is Dichloromethane (DCM).
- DCM Dichloromethane
- the molar ratio of compound 3 to the substituted terminal alkene is 1:10-30.
- step d 1 in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step d 1 , in a solution of trifluoroacetic acid (TFA) in dichloromethane (DCM) A hydrolysis reaction occurs.
- TFA trifluoroacetic acid
- DCM dichloromethane
- the volume fraction of the solution is 20%-30%. In a further preferred embodiment, the volume fraction of the solution is 25%.
- the amino acid ester hydrochloride is amino acid methyl ester hydrochloride
- the reaction solvent is is DMF
- the condensing agent is HBTU and/or DIEA.
- the amino acid methyl ester hydrochloride may be aspartate methyl ester hydrochloride, serine methyl ester hydrochloride, lysine methyl ester hydrochloride or histidine methyl ester hydrochloride Salt.
- compound 5 is dissolved in DMF, HBTU and DIEA are added, and the reaction is stirred, and then amino acid methyl ester hydrochloride and DIEA are added to continue the reaction to obtain compound 6.
- the molar ratio of compound 5 to HBTU, DIEA, and amino acid ester hydrochloride is 1:1-2:2-5:2-3.
- step a2 in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step a2, chlorin is dissolved in DMF, methyl iodide and no Water potassium carbonate, the compound 10 is obtained after the reaction.
- the molar ratio of chlorin:haloalkane:anhydrous potassium carbonate is 1:2-10:2-10.
- the catalyst in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step b2 , the catalyst is a Grubbs catalyst, and the reaction solvent is DCM.
- the molar ratio of compound 10 to the substituted terminal alkene is 1:10-30.
- the reaction solution in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step c2, is tetrahydrofuran and an aqueous KOH solution.
- concentration of the aqueous KOH solution is 1M.
- volume ratio of tetrahydrofuran to 1M aqueous KOH solution is 1:1.
- the amino acid ester hydrochloride is amino acid methyl ester hydrochloride
- the reaction solvent is is DMF
- the condensing agent is 1-ethyl-3(3-dimethylpropylamine)carbodiimide (EDCI) and/or DIEA.
- the molar ratio of Compound 13:EDCI:amino acid ester hydrochloride:DIEA is 1:1-2:1-2:0.1-0.5.
- the amino acid ester hydrochloride is amino acid methyl ester hydrochloride
- the reaction solvent is is DMF
- the condensing agent is HBTU and/or DIEA.
- compound 19 is dissolved in DMF, HBTU and DIEA are added, and the reaction is stirred, and then amino acid methyl ester hydrochloride and DIEA are added to continue the reaction to obtain compound 20.
- the molar ratio of compound 19 to HBTU, DIEA, and amino acid ester hydrochloride is 1:1-2:2-5:2-3.
- the catalyst in the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof, in step b3 , the catalyst is a Grubbs catalyst, and the reaction solvent is DCM.
- the molar ratio of compound 20 to the substituted terminal alkene is 1:10-30.
- M is Formula II(a), Formula II(b), Formula III(a), Formula III(b), Formula IV(a), or Formula IV(b) in the 2H form
- the compounds can be reacted with metal chlorides or acetate complexes to give the corresponding compounds in which M is the metal ion form.
- a compound of formula II(a), formula III(a), or formula IV(a) can undergo a hydrolysis reaction under basic conditions to yield the corresponding salt form, ie, formula II (b), a compound of formula III(b), or formula IV(b).
- the salt form can be a sodium or potassium salt, or any other suitable pharmaceutically acceptable salt form.
- the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof comprises the steps of:
- b 1 Dissolve compound 2 in DMF at a concentration of 0.1 M, add HBTU and DIEA, stir for 0.5-1 hour, then add ⁇ -alanine tert-butyl ester hydrochloride and DIEA in sequence, wherein compound 2 is mixed with HBTU, DIEA , the molar ratio of ⁇ -alanine tert-butyl ester hydrochloride is 1:1-2:2-5:2-3, continue to react for 1-2 hours, after the reaction is over, add DCM to dilute the reaction solution, wash with water successively times, the organic phase was collected, concentrated, and subjected to silica gel column chromatography to obtain compound 3;
- e 1 Dissolve compound 5 in DMF at a concentration of 0.1M, add HBTU and DIEA, stir and react for 0.5-1 hour, add selected amino acid methyl ester hydrochloride and DIEA, wherein compound 5 is mixed with HBTU, DIEA, amino acid methyl ester
- the molar ratio of hydrochloride is 1:1-2:2-5:2-3, and the reaction is continued for 1-2 hours.
- DCM is added to dilute the reaction solution, washed with water for several times, the organic phase is collected, concentrated, and the silica gel column Chromatography obtains compound 6, which is a chlorin derivative shown in formula (I), wherein M is 2H;
- compounds 6 and 7 are compounds of formula II(a)
- compounds 8 and 9 are compounds of formula II(b).
- R1 is where n is any integer from 2 to 7;
- R 8 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 may be the same or different, and are each independently selected from C 1 -C 6 alkyl;
- M is 2H or a metal ion, eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- a metal ion eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof comprises the steps of:
- a2 Compound 1 -chlorin e6 is dissolved in DMF, the concentration is 0.1M, and methyl iodide and anhydrous potassium carbonate are added, wherein the molar ratio of compound 1: methyl iodide: anhydrous potassium carbonate is 1:2 -10:2-10, after stirring and reacting for 1-4 hours, dilute the reaction solution with DCM, wash with water, collect the organic phase, concentrate, and perform silica gel column chromatography to obtain compound 10;
- e 2 Dissolve compound 15 in acetone with a concentration of 0.03M, add an equal volume of 0.5N aqueous NaOH or KOH solution, stir and react for 2-10 hours, add absolute ethanol to the reaction solution, precipitate solids, and filter to obtain a
- the series of compounds 17 are in the form of sodium or potassium carboxylate corresponding to compound 15, wherein M is 2H;
- compounds 15 and 16 are compounds of formula III(a), and compounds 17 and 18 are compounds of formula III(b).
- R1 is where n is any integer from 2 to 7;
- R 3 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 may be the same or different, and are each independently selected from C 1 -C 6 alkyl;
- M is 2H or a metal ion, eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- a metal ion eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- the method for preparing a chlorin derivative or a pharmaceutically acceptable salt thereof comprises the steps of:
- a3 using compound 19 as a raw material, dissolving compound 19 in DMF, the concentration is 0.1M, after adding HBTU and DIEA, stirring and reacting 0.5-1 hour, adding selected amino acid methyl ester hydrochloride and DIEA, and continuing to react 1- For 2 hours, the molar ratio of compound 19 to HBTU, DIEA, and amino acid methyl ester hydrochloride was 1:1-2:2-5:2-3, the reaction solution was diluted with DCM, washed with water, concentrated, and the obtained residue was dissolved in water.
- compounds 21 and 22 are compounds of formula IV(a), and compounds 23 and 24 are compounds of formula IV(b).
- R1 is where n is any integer from 2 to 7;
- R 4 is any of the following groups:
- R 9 , R 10 , R 11 , R 12 and R 13 may be the same or different, and are each independently selected from C 1 -C 6 alkyl;
- M is 2H or a metal ion, eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- a metal ion eg a divalent metal ion such as Cu 2+ , Fe 2+ , Zn 2+ , Mg 2+ , Ni 2+ , Co 2+ , Pt 2+ , Pd 2+ , or a tetravalent metal ion Such as Sn 4+ or Ti 4+ .
- chlorin derivative of the first aspect of the present invention or a pharmaceutically acceptable salt thereof can also be used as a photoacoustic sensitizer.
- photoacoustic sensitizer specifically refers to a photosensitizer and/or a sonosensitizer.
- photosensitizer refers to a compound that can activate a series of photochemical and photophysical reactions after absorbing a light source of a certain wavelength, thereby generating fluorescence or oxygen-active substances that can kill cells.
- the ideal photosensitizer has high selectivity, has a high distribution ratio in diseased/normal tissue, is evenly distributed in the target tissue, and the matched light source has a strong ability to penetrate the tissue.
- the photodynamic reaction efficiency is high after illumination, and it can be quickly metabolized and eliminated after illumination.
- Photodynamic therapy is a relatively novel non-invasive treatment method for tumors. It relies on the irradiation of a specific wavelength of light to activate photosensitizers in tumor tissue to generate biotoxic singlet oxygen and other reactive oxygen species (ROS), and then oxidative damage. tumor, to achieve the purpose of inhibiting tumor growth or eliminating tumors.
- ROS reactive oxygen species
- the so-called “sonosensitizer” refers to a class of substances that are activated under ultrasonic radiation and undergo a series of reactions with surrounding oxygen molecules after activation, resulting in active substances with high oxidative activity such as singlet state oxygen.
- Singlet oxygen is a very active oxygen free radical with cytotoxic effect. It is most sensitive to cell membrane, mitochondria and other parts. It can interact with a variety of biological macromolecules in cells. damage.
- sonosensitizers are often used in sonodynamic therapy.
- Sonodynamic therapy is a new method of treating tumor diseases with photosensitizers and ultrasound. This treatment utilizes the characteristics of ultrasonic waves in biological tissue, non-invasive, and can accurately focus and transmit energy to deliver energy to the tumor site, activate the sonosensitizer that specifically binds to the tumor tissue in advance, and trigger a chemical reaction to generate chemical energy. Thereby destroying the tumor and further reducing the tumor survival rate.
- the chlorin derivative of the present invention or a pharmaceutically acceptable salt thereof is obtained by modifying the structure of chlorin e6, and the purpose of the modification is to obtain relative chlorin e6 Chlorin derivatives with further improved properties (such as stronger tumor selectivity, longer absorption wavelength, better water solubility), and the improved properties are further confirmed in the following examples, and the dihydrochloride is still retained The original photosensitivity and sonosensitivity of porphine e6. Therefore, the chlorin derivatives of the present invention or their pharmaceutically acceptable salts can be used in photodynamic therapy and sonodynamic therapy.
- an anti-tumor composition comprising: the chlorin derivative of the first aspect of the present invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient; preferably , the anti-tumor composition is an injection preparation.
- anti-tumor composition refers to a class of drugs for the treatment of tumor diseases, and the treatment mentioned herein is the process of inhibiting the growth or metastasis of tumors in a subject, or eliminating tumors in a subject.
- tumor includes benign tumors and malignant tumors, which in turn includes carcinoma in situ and cancer metastasis.
- the tumors may include benign tumors and malignant tumors, such as carcinoma in situ and cancer metastasis.
- the carcinoma in situ includes breast cancer, liver cancer, lung cancer, and colorectal cancer; and the cancer metastasis includes breast cancer metastasis, liver cancer metastasis, lung cancer metastasis, and colorectal cancer metastasis.
- the chlorin derivatives of the present invention or their pharmaceutically acceptable salts can be used in photodynamic therapy and sonodynamic therapy due to their photosensitivity and sonosensitivity, thereby inhibiting tumor growth or metastasis in vivo , and/or eliminate tumors in vivo.
- the chlorin derivative of the present invention or a pharmaceutically acceptable salt thereof is used as an antitumor drug.
- the antitumor composition of the present invention may further include a pharmaceutically acceptable excipient.
- pharmaceutically acceptable excipient is intended to include solvents, stabilizers, surfactants, fillers, preservatives, dispersion media, buffers, isotonic agents, absorption delaying agents, and the like.
- the antineoplastic compositions of the present invention can be processed into solid forms, eg, into lyophilized or vacuum-dried powders that are reconstituted with a suitable liquid (eg, saline or water) prior to administration to a subject.
- a suitable liquid eg, saline or water
- the anti-tumor composition of the present invention can be formulated directly into a solution.
- the use of such pharmaceutically acceptable excipients in active pharmaceutical ingredients is well known in the art. Unless any conventional pharmaceutically acceptable carrier or pharmaceutically acceptable excipient is incompatible with the active pharmaceutical ingredient, its use in the antineoplastic composition of the present invention is contemplated.
- the anti-tumor composition can be formulated into an injection preparation first, and then injected into the body of the subject, and then the corresponding treatment can be performed.
- the anti-tumor composition may be an injectable formulation.
- photoacoustic sensitizers and antitumor drugs of the present invention can be used in photodynamic therapy or sonodynamic therapy together with oxygen and light radiation or ultrasound.
- the use of the chlorin derivative of the first aspect of the present invention or a pharmaceutically acceptable salt thereof in the preparation of an antitumor drug is provided.
- the tumors may include benign tumors and malignant tumors, such as carcinoma in situ and cancer metastasis.
- carcinoma in situ includes breast cancer, liver cancer, lung cancer, and colorectal cancer; and the cancer metastasis includes breast cancer metastasis, liver cancer metastasis, lung cancer metastasis, and colorectal cancer metastasis.
- the antitumor drug can be an injectable formulation.
- the anti-tumor drug can be used in photodynamic therapy or sonodynamic therapy.
- light waves having a wavelength of 600-800 nm, eg, 660 nm are employed in the photodynamic therapy, and the sonodynamic therapy employs ultrasound at an intensity of 1.88 W/cm 2 .
- the present invention provides a combination of the chlorin derivative or a pharmaceutically acceptable salt thereof according to the first aspect of the present invention and an ultrasonic medical system, the ultrasonic medical system comprising a transducer sound A bed and contact agent, wherein the transducer acoustic bed includes a base and a wall extending upwardly from the base; the base having at least one ultrasonic transducer at positions corresponding to the target's head, torso, and extremities, respectively , for transmitting ultrasonic waves to the target above it; the wall portion has at least one ultrasonic transducer at its position corresponding to the head and limbs of the target, respectively, for transmitting ultrasonic waves to the target; the contact An agent is used to transmit ultrasonic waves between the target and the ultrasonic transducer.
- the ultrasonic medical system further includes a transducer module, wherein the transducer module is installed above the transducer acoustic bed, and includes at least one ultrasonic transducer for Ultrasonic waves are emitted to an underlying target, the contact agent also serving to transmit ultrasonic waves between the target and the at least one ultrasonic transducer.
- the transducer module further includes a numerically controlled motion device for controlling the transducer module to move in a horizontal and/or vertical direction.
- the ultrasonic waves are pulsed waves or continuous waves.
- the frequency of the ultrasonic wave is 0.3-3 MHz; preferably, the sound intensity of the ultrasonic wave is 0.1-3 W/cm 2 .
- the contacting agent is at least one of water and vacuum degassed cold/hot water.
- the ultrasound medical system further comprises a programmable logic controller automatic control system and a contact agent supply system, wherein the contact agent supply system is connected to the transducer sound bed for sending the The transducer acoustic bed supplies contact agent; the programmable logic controller automatic control system is respectively connected with the transducer acoustic bed, the transducer module and the contact agent supply system for controlling A contact agent is supplied to the transducer sound bed with the contact agent supply system and used to control the operation of the transducer sound bed and at least a portion of the ultrasonic transducers in the transducer module.
- the programmable logic controller automatic control system further includes a monitoring system for displaying at least one of the following: a. the transducer sound bed and the transducer module Operating parameters of at least a part of the ultrasound transducer; b. lesion information within the target.
- the chlorin derivative or a pharmaceutically acceptable salt thereof is prepared by the method described in the second aspect of the present invention.
- DCM dichloromethane
- the water-soluble chlorin derivative 9-BA(Pd) was dissolved in physiological saline to prepare a medicinal solution for administration.
- 4T1 mouse breast cancer cells were inoculated directly below the second pair of nipples on the left side of Balb/c (female, 18-22 g) mice to build a mouse breast cancer lung metastasis model.
- the tumor volume and mice were recorded on the 7th day of inoculation. Body weight, measured every other day.
- mice were randomly divided into 4 groups: (1) a control group (saline alone), (2) b ultrasound group (single ultrasound), (3) c administration (9-BA(Pd)) Group, (4)d administration+ultrasound (9-BA(Pd)+ultrasound) group (ie sonodynamic therapy group).
- Dosing ultrasound therapy was performed on the 12th, 14th, 18th, 20th, 24th, and 26th days of tumor inoculation, respectively.
- Mice were injected with 16 mg/kg of sonosensitizer through the tail vein. After 2 hours of administration, ultrasonic treatment was performed; after 24 hours, they were administered again, and ultrasonic treatment was performed again after 2 hours.
- the ultrasonic treatment was performed with 1.88 W/cm Ultrasound irradiation was performed for 30 min. Tumor tissue was dissected for analysis, and weights were recorded. The lung tissue was stained with Bouin's fixative, and after destaining with ethanol, the number of lung nodules was recorded and counted.
- Figure 1 shows the effect of each treatment group on the weight of tumor tissue in mice with primary breast cancer. It can be seen from FIG. 1 that after administration of compound 9-BA(Pd) combined with ultrasonic treatment (ie, the sonodynamic therapy group), the tumor tissue weight was reduced compared with other groups, and there was a significant difference. Correspondingly, by observing the exfoliated tumor tissue, it can also be found that in the sonodynamic therapy group, the tumor was significantly reduced, and the statistical analysis was P ⁇ 0.01-0.001.
- Fig. 2 is a photograph showing the inhibitory effect of each treatment group on lung metastasis of primary breast cancer. It can be seen from Figure 2 that the tumor-bearing mice in each treatment group developed different degrees of tumor lung metastasis, and the control group mice had more severe lung metastasis and more lung tumor nodules. After treatment, the number of tumor nodules in the lungs of mice was reduced, and the degree of tumor lung metastasis was significantly reduced in the sonodynamic therapy group, indicating that the administration of compound 9-BA(Pd) combined with free-field ultrasound can inhibit breast tumors. lung metastases.
- a series of water-soluble chlorin-based sonosensitizers such as compound 9-BA(Pd) are combined with ultrasound to perform ultrasonic dynamic therapy, which has a significant inhibitory effect on tumors and tumor tissues, and can at the same time. Inhibition of lung metastasis of primary breast cancer in mice, showing clinical value.
- Example 3 Using the water-soluble chlorphene derivative 17-MPA synthesized in Example 3 as a sonosensitizer, the sonodynamic therapy of colon cancer liver metastases-bearing mice was evaluated in an ultrasonic field.
- the water-soluble chlorin derivative 17-MPA was dissolved in physiological saline to prepare a medicinal solution for administration.
- CT26 mouse colon cancer cells were used and inoculated into the hemi-spleen of Balb/c (female, 18-22 g) mice to construct a mouse hemi-spleen metastatic liver cancer model.
- the body weight of the mice was recorded on the 7th day of inoculation, and every other day. Measure once.
- mice were randomly divided into 4 groups: (1) control group (saline alone), (2) administration (17-MPA) group, (3) ultrasound group (ultrasound alone), (4) administration + Ultrasound (17-MPA+ Ultrasound) group, (5) Talaporfin (Talaporfin sodium, a photodynamic therapy drug) as a control group.
- control group saline alone
- ultrasound group ultrasound alone
- Talaporfin Talaporfin sodium, a photodynamic therapy drug
- Figure 4 shows the average liver weight for each treatment group. It can be seen from Figure 4 that the average weight of the liver of the 17-MPA+ultrasound group was significantly lower than that of the control group, and also significantly lower than the administration group, the ultrasound group and the control group.
- compound 17-MPA can be used in combination with ultrasound for ultrasound dynamic therapy to effectively reduce and/or cure colon cancer metastasis.
- the pharmacokinetic properties of the compound 17-MPA in SD rats and the distribution of 17-MPA in ICR tumor-bearing mice were studied by high performance liquid chromatography, and the continuous administration time and acoustic , The intervention time of photodynamic therapy provides the basis.
- a high-performance liquid chromatography method was established to detect the intra-day precision and stability of plasma samples (storage at room temperature, storage at low temperature, repeated freezing and thawing).
- the precision of the intra-day and intra-day precision experiments and stability experiments of the obtained plasma samples were both less than 15%, and the accuracy was within ⁇ 20%.
- the extraction recoveries of high, medium, low and minimum detection limit concentrations of 17-MPA in plasma were detected to be 65.89 ⁇ 2.38%, 69.71 ⁇ 0.22%, 74.39 ⁇ 1.13% and 80.73 ⁇ 0.35%, respectively.
- the extraction recoveries of the internal standard is 68.10 ⁇ 0.99%.
- the drug concentration in the plasma of SD rats after administration by tail vein injection was detected, and the pharmacokinetic compartment model of 17-MPA in SD rats was confirmed to be consistent with the two-compartment model, and the distribution half-life ( t1/2 ⁇ ) was 0.627 ⁇ 0.256h, and the elimination half-life (t1/2 ⁇ ) was 7.421 ⁇ 0.802h.
- the equilibrium dialysis method was used to determine the binding rate of DYSP-C07 to SD rat plasma protein, and the final high, medium and low concentrations of DYSP-C07 and SD rat plasma protein binding rate were 90.94 ⁇ 1.90% and 92.25 ⁇ 1.40%, respectively. %, 95.78 ⁇ 1.20%.
- 17-MPA can be detected in the heart, liver, spleen, lung, kidney and tumor tissue of ICR tumor-bearing mice. Among them, 17-MPA shows high concentration in liver and kidney tissue, and gradually accumulates in tumor tissue. And in 6h ⁇ 12h to maintain a higher concentration.
- mice were given 16 mg/kg of compound 17-MPA in the tail vein, and the distribution of compound 17-MPA in each tissue of ICR mice and the concentration of compound 17-MPA in each time point were detected in each time period from 1 h to 12 h.
- the result is as follows:
- compound 19 Using compound 19 as a raw material, 500 mg of compound 19 was dissolved in dimethylformamide (DMF), the concentration was 0.1M, and 479 mg of benzotriazole-N,N,N',N'-tetramethylurea hexafluoro was added.
- DMF dimethylformamide
- CHC chlorin e6
- FBS fetal bovine serum
- penicillin 100 IU ⁇ mL ⁇ 1 penicillin
- streptomycin 100 mg ⁇ mL ⁇ 1 streptomycin
- Figure 5 shows the cell survival of the compound 26-tFPL(Pd) and CHC according to the present invention before and after light irradiation.
- the results showed that in the absence of light irradiation, when the concentration of compound 26-tFPL(Pd) was 0-25 ⁇ M, the cell survival rate was above 80%.
- the concentration of compound 26-tFPL(Pd) was 0-25 ⁇ M, the cell survival rate was above 80%.
- the concentration was 1 ⁇ M
- the cell viability of compound 26-tFPL(Pd)+photoradiation treatment was only 10%, while the cell viability of CHC added was still above 80%.
- the above data show that compound 26-tFPL(Pd), as a photosensitizer, can effectively kill cancer cells under light irradiation.
- the compound 26-tFPL(Pd) was co-cultured with HepG2 cells, it was placed under 660nm wavelength LED light for 0, 1, 3, 5 and 10 minutes (660nm, 25mW ⁇ cm -2 ), using lanthanide rare earth fluorescence
- the probe ATTA-EU3 + can generate a long-lived fluorescent signal with a large stokes shift after binding to intracellular 1 O 2 .
- 1 O levels in live cells were detected by time-resolved fluorescence microscopy.
- Figure 6 shows the experimental results for the determination of intracellular singlet oxygen ( 1 O 2 ). It can be seen from Figure 6 that the 1 O 2 yield of compound 26-tFPL(Pd) in cells is significantly higher than that of the original molecular scaffold CHC.
- the mouse liver cancer H22 cell line was used for in vitro cell culture, after which 3 ⁇ 10 5 H22 cells were injected into the right back of ICR male mice. On the eighth day of inoculation (tumors grew to 200 mm 3 ), photodynamic therapy was performed.
- the water-soluble chlorin derivative 26-tFPL(Pd) was dissolved in physiological saline to prepare a medicinal solution for administration.
- Mice were randomly divided into four groups, namely control group, administration (26-tFPL(Pd)) group, light radiation group and administration (26-tFPL(Pd))+light radiation group (PDT group).
- Mice in the PDT group were treated with light radiation 4 hours after the tail vein injection (8 mg ⁇ kg -1 ).
- the intensity of light radiation was 20mW ⁇ cm -2 , the illumination time was 5min, and the final illumination dose was 6J ⁇ cm -2 .
- the control group did not receive any treatment, the administration dose of the administration group (26-tFPL(Pd)) was the same as that of the PDT group, and the light radiation intensity and light time of the light radiation group were the same as those of the PDT group. After treatment, the body weight and tumor volume of the mice in each group were recorded.
- Figure 8 shows the changes in tumor volume in the control group, the administration (26-tFPL(Pd)) group, the light irradiation group, and the 26-tFPL(Pd)+light irradiation group.
- the tumor volume of the 26-tFPL(Pd)+light irradiation group was significantly reduced.
- the statistical difference analysis showed that the tumor weights of the 26-tFPL(Pd)+light radiation group and the other groups were significantly different after treatment: the 26-tFPL(Pd)+light radiation group and the control group were treated with Statistical analysis p ⁇ 0.05, compared with the light radiation group, p ⁇ 0.05, compared with the administration group, p ⁇ 0.005.
- FIG. 10 shows a top view of a transducer acoustic bed 1 according to an embodiment of the present invention.
- the transducer acoustic bed 1 includes a bottom portion 10 and a wall portion 11 extending upwardly from the bottom portion 10 .
- the bottom 10 is divided into three regions according to the shape of the human body, the head 12 , the trunk 13 and the limbs 14 , and several ultrasonic transducers 8 are respectively arranged in the three regions.
- FIG. 10 specifically shows the number of ultrasonic transducers 8, this is for illustrative purposes only and not for limitation.
- the number of ultrasonic transducers 8 arranged in each region can be increased or decreased.
- 127 ultrasonic transducers 8 are evenly arranged on the bottom 10 .
- the bottom 10 of the transducer bed 1 shown in Figure 10 is a flat area where the torso 13 and extremities 14 areas are slightly lower than the other areas, but well known to those skilled in the art on which the patient can be placed
- Other shaped bottoms that receive ultrasonic radiation are also suitable, such as concave, curved, or even wavy.
- the bottom of the transducer sound bed 1 may also have a depression adapted to the shape of the human body, so that the human body can be placed therein.
- the above-mentioned plurality of ultrasonic transducers 8 are preferably arranged in the recess.
- FIG. 11 shows a top view of a transducer acoustic bed 2 according to another embodiment of the present invention.
- the transducer acoustic bed 2 includes a bottom portion 20 and a wall portion 21 extending upwardly from the bottom portion 20 . Both the bottom 20 and the wall 21 are arranged with the ultrasonic transducer 8 . Since the arrangement and shape of the bottom 20 are the same as those of the bottom 10 in FIG. 10 , for the sake of brevity, the details are not repeated.
- the wall portion 21 On the wall portion 21, according to the shape of the human body, it is divided into three regions: the top of the head 212, the shoulders 2141 and the bottom of the feet 2142, and several ultrasonic transducers 8 are respectively arranged in the three regions, although FIG. 11 specifically shows The number of ultrasound transducers 8 has been mentioned, but this is for illustrative purposes only and not for limitation, depending on the desired therapeutic effect and the mechanical strength of the transducer bed 2, all of the various regions may be increased or decreased.
- the number of ultrasonic transducers 8 arranged on the top of the head 212, the shoulders 2141 and the bottom of the feet 2142 is 2, 2 and 4, respectively.
- transducer sound bed shown in Figures 10 and 11 is substantially in the form of a rectangular bathtub, the transducer sound bed may take other shapes, such as oval and the like.
- the inclination angle of the wall of the transducer sound bed with respect to the vertical direction can also be changed, and can also be in various shapes such as curved surfaces. Such variations should be considered to be within the scope of the present invention.
- FIG. 12 shows a side view of the transducer module 3 according to one embodiment of the present invention.
- the transducer module 3 includes an upper surface 31 and a lower surface 32.
- the upper surface 31 is arranged with a cooling fan, and the side 33 is used for connecting with a fixing device, and the fixing method can be any well-known in the art.
- the method of fixing the transducer module 3 can be adapted.
- On the lower surface 32 several ultrasonic transducers 8 are arranged. Depending on the desired therapeutic effect and the mechanical strength of the transducer module 3, the number of ultrasonic transducers 8 arranged can be increased or decreased. Preferably, 28 ultrasonic transducers 8 are evenly arranged on the lower surface 32 .
- the transducer module 3 shown in FIG. 12 has a rectangular structure and has a flat lower surface 32, it should be understood that the transducer module is not limited to this structure and shape, and can also be a gate-shaped structure , and its lower surface can also be a curved surface or other shapes.
- FIG. 13 shows a side view of a transducer module 4 with a two-dimensional numerically controlled motion device 40 according to another embodiment of the present invention.
- the two-dimensional numerical control motion device 40 is connected with the transducer module 42 through a cantilever 41 mounted thereon.
- the transducer module 42 can move along the X-axis and the Y-axis under the control of the two-dimensional numerically controlled motion device 40 .
- the X axis refers to an axis extending in a horizontal direction parallel to the longitudinal direction of the transducer sound bed
- the Y axis refers to an axis extending in a vertical direction perpendicular to the horizontal plane of the transducer sound bed.
- the shape of the transducer module 42 and the arrangement of the ultrasonic transducers 8 are the same as those of the transducer module 3 shown in FIG. 12 , therefore, for the sake of brevity, they will not be repeated here. .
- the transducer module 42 shown in FIG. 13 only moves longitudinally along the transducer sound bed in the horizontal direction, according to needs, for example, the transverse dimension of the transducer sound bed is relatively large, for example, treating multiple targets at the same time
- the transducer module 42 can be designed in a form that can also move laterally on the transducer acoustic bed.
- the two-dimensional numerical control motion device 40 will be replaced by a three-dimensional numerical control motion device.
- FIG. 14 shows a top view of an ultrasound medical system 100 according to one embodiment of the present invention.
- the ultrasonic medical system 100 includes a transducer sound bed 1 and a contact agent 9 , and the ultrasonic transducer 8 is immersed in the contact agent 9 .
- the contact agent 9 may be a coupling substance (contact agent) whose acoustic resistance is between the ultrasonic transducer 8 and human tissue to form an acoustic interface, and may be water, vacuum degassed (cold, hot) water, or the like. Preferably, vacuum degassed (cold, hot) water is used. Since the transducer acoustic bed 1 has been described in detail above, for the sake of brevity, it will not be repeated. Alternatively, the transducer sound bed 1 can be replaced with the transducer sound bed 2 .
- FIG. 15 shows a top view of an ultrasound medical system 300 according to another embodiment of the present invention.
- the ultrasonic medical system 300 includes a transducer sound bed 1 , a transducer module 4 and a contact agent 9 , the transducer module 42 is located above the transducer sound bed 1 , and the ultrasonic transducer 8 is soaked in contact agent 9. Since the transducer acoustic bed 1 , the transducer module 4 and the contact agent 9 have been described in detail above, for the sake of brevity, they will not be repeated here. Alternatively, transducer sound bed 1 may be replaced with transducer sound bed 2, or transducer module 4 may be replaced with transducer module 3, or both.
- the ultrasonic medical system 500 includes a transducer sound bed 5001 , a contact agent supply system 5003 , a transducer module 5005 and a PLC automatic control system 5007 .
- the PLC automatic control system 5007 is respectively connected with the transducer sound bed 5001, the contact agent supply system 5003, and the transducer module 5005, so as to control the cooperative work between the latter three according to the treatment needs.
- the contact agent supply system 5003 is connected to the transducer sound bed 5001 in order to supply the contact agent 9 to the transducer sound bed 5001 under the control of the PLC automatic control system 5007 .
- the connection may be a wired connection or a wireless connection.
- the transducer sound bed 5001 may be transducer sound bed 1 or 2, or any other suitable transducer sound bed 1 or 2 variant.
- the transducer module 5005 can be transducer module 3 or 4, or can be any other suitable variant of transducer module 3 or 4.
- the PLC automatic control system 5007 also includes a monitoring system 5008 (not shown).
- the monitoring system 5008 includes a monitor 5009, such as a 10.4 touch screen, for displaying the operating parameters of the transducer sound bed and at least a part of the ultrasonic transducers in the transducer module, and the operating parameters can be as shown in FIG. 22 .
- the patient treatment area selection shown in Figure 23, the working mode and sound intensity settings, etc. are shown in Figure 23.
- the monitor 5009 can also display the lesion information in the human body, and the lesion information can be the patient's treatment plan as shown in Figure 24, etc., so that during the treatment, the treatment parameters can be modified at any time according to the patient's feelings, so as to achieve the best results. curative effect.
- Figure 17 shows the transducing head of the ultrasound transducer 8 according to one embodiment of the present invention.
- the wafer 807 into the inner cavity of the wafer holder, the outer spherical surface of the wafer is in close contact with the inner cavity surface of the wafer holder, a conductor and a limiter are formed between the two, and an O-shaped rubber is placed on the inner surface side of the wafer 806, and put a compression spring 808 with a wire 810 welded on the upper part into the inner hole of the fastening copper bolt 811, and then tighten the copper bolt 811 and the wafer seat 805.
- the assembled wafer holder 805 into the reserved round hole of the transducer head on the wall 11 or 21 of the transducer sound bed 1 or 2, put the rubber flat washer 804 between the two, and at the same time the copper bolt 811 It also has the function of connecting and fixing with the transducer sound bed 1 or 2. After putting the sealing rubber ring 803 and the flat washer 802 on it, screw the round nut 809 into the copper bolt 811, and connect the transducer head to the transducer. The wall 11 or 21 of the acoustic bed 1 or 2 is locked.
- FIG. 18 shows a flow chart of the operation of the ultrasound medical system 100 .
- a contact agent is injected into the transducer bed so that the contact agent floods all ultrasonic transducers on the transducer bed.
- the human body is placed on the bottom of the transducer sound bed.
- Step 905 turn on the ultrasonic transducer, and emit ultrasonic waves to the human body.
- the sound intensity of the ultrasonic waves should be in the range that the human body can withstand and can effectively activate the sonosensitizer.
- the setting range of the sound intensity is 0.1-3W/cm 2
- the interval is 0.1W /cm 2 , such as 0.1, 0.2, 0.3, ..., 1.0, 1.1, 1.2, ..., 2.5, 2.6, 2.7, 2.8, 2.9, 3.0W/cm 2
- the waveform is Continuous or pulsed waves.
- enough contact agent is injected into the transducer bed to allow the human body to float in it, and thereby create a slight lateral drift that can keep the human body in the transducer bed subject to more intensive ultrasonic irradiation.
- the contact agent is vacuum degassed (cold, hot) water.
- the transmitted ultrasonic waves are pulse waves having a frequency of 0.3 MHz to 3 MHz.
- ultrasonic waves are emitted to the human body simultaneously from the walls and the bottom of the transducer bed.
- FIG. 19 shows a flow chart of the operation of the ultrasound medical system 300 .
- a contact agent is injected into the transducer sound bed, so that the contact agent floods all ultrasonic transducers on the transducer sound bed.
- the human body is placed on the bottom of the transducer sound bed.
- the transducer module is moved down so that it is immersed in the contact agent.
- the ultrasonic transducer is turned on, and ultrasonic waves are emitted to the human body.
- the frequency of the ultrasonic waves emitted from the ultrasonic transducer and the transducer module is 0.3-3 MHz, and the waveform is a continuous wave or a pulse wave.
- the contact agent is vacuum degassed (cold, hot) water.
- the ultrasonic waves emitted from the transducer bed are pulse waves of 1 MHz.
- the ultrasonic waves emitted from the transducer module are continuous waves of 1 MHz.
- ultrasonic waves are emitted to the human body simultaneously from the walls and the bottom of the transducer bed.
- the transducer module emits ultrasonic waves to the human body in a horizontal movement.
- FIG. 20 shows a flow chart of the operation of the ultrasound medical system 500 .
- the PLC automatic control system is started, and the medical system is remotely controlled through the human-machine interface of the PLC automatic control system, such as the color touch screen shown in FIG. 21 .
- the contact agent supply system is activated.
- the contact agent supply system begins to inject the contact agent into the transducer acoustic bed.
- step 1107 it is judged whether the liquid level of the contact agent in the acoustic bed of the transducer has reached a predetermined height, if it is lower, then go to step 1105, and continue to inject the contact agent into the acoustic bed of the transducer; otherwise, go to step 1109, Place the human body on the bottom of the transducer bed.
- step 1111 a treatment area of the patient is selected, as shown in FIG. 22, for example, a local area may be selected for treatment according to the patient's condition, or a systemic treatment may be selected.
- step 1113 set the intensity of the ultrasound in the selected treatment area, for example, set the sound intensity to a range of 0.1-3W/cm 2 and an interval of 0.1W/cm 2 , such as 0.1, 0.2, 0.3, . . . , 1.0, 1.1, 1.2, ..., 2.5, 2.6, 2.7, 2.8, 2.9, 3.0 W/cm 2 .
- step 1115 the waveform of the ultrasonic wave in the selected treatment area is set, for example, a pulse wave or a continuous wave.
- step 1117 as shown in FIG. 23, the treatment time required for the selected treatment area is set, for example, 30 minutes.
- step 1119 it is judged whether the setting needs to be continued.
- step 1111 the transducer module is moved down so that it is immersed in the contact agent.
- step 1123 the selected treatment area and the ultrasonic transducer on the transducer module are turned on, and ultrasonic waves are emitted to the human body.
- the PLC automatic control system can be used to suspend the treatment at any time, so that the operations from steps 1111 to 1117 can be performed again, and the corresponding settings can be modified to meet the patient's treatment needs in real time.
- step 1111 when selecting the treatment area, according to the needs of the patient's condition, only the ultrasonic transducer on the transducer sound bed can be selected to work, or the ultrasonic transducer of the transducer module can be selected to work, or both can be selected. Work.
- ultrasonic transducer on the bottom surface of the transducer bed it is possible to select a part of the ultrasonic transducer on the bottom surface of the transducer bed to work, or a part of the ultrasonic transducer on the wall of the transducer bed to work, or a part of the bottom part of the ultrasonic transducer and a part of the wall.
- the ultrasonic transducers work together, or only a part of the ultrasonic transducer of the transducer module is selected to work, or a part of the ultrasonic transducer of the transducer module and a part of the bottom surface and/or wall of the transducer sound bed Ultrasound transducers work together. The specific choice depends on the treatment needs.
- step 1113 when setting the intensity of ultrasonic waves, the same or different sound intensities can be selected according to different conditions of each selected treatment area, and the sound intensity range is 0.1-3W/cm 2 .
- step 1115 when setting the waveform of the ultrasonic wave, pulse or continuous can be selected according to the different conditions of each selected treatment area, wherein the pulse mode can be 1%-99% of the treatment time, preferably 30%, 50% or 75%.
- step 1117 when setting the treatment time, the treatment time can be selected to be 5-30 minutes according to the different conditions of each selected treatment area.
- step 1123 when the ultrasonic transducer on the transducer module is working, it can be fixed at a certain position above the human body to transmit ultrasonic waves to the human body, or it can move evenly in the horizontal direction above the human body to transmit ultrasonic waves to the human body , the moving speed is the ratio of the body's height to the treatment time.
- the PLC automatic control system can also be configured so that the ultrasonic transducers located in different regions irradiate the human body with different intensities.
- the transducer module can also be configured in the shape of an upper cover, or as a part of the upper cover of the transducer sound bed.
- the plurality of ultrasonic transducers of the transducer module can be distributed on the upper cover in various forms.
- the upper cover can be covered on the transducer sound bed after the treatment target is placed on the transducer sound bed.
- the transmission frequency of the ultrasonic transducer is 0.3MHz-3MHz, preferably 0.5, 1, and 1.5MHz.
- the use of this system can effectively solve the problem of death of patients with malignant tumors due to the spread and metastasis of malignant tumors.
- the ultrasonic waves that can irradiate the human body in all directions can not only reach the deep tissues of the human body but also penetrate the human body, and its energy can successfully activate the sonosensitizer. It kills malignant tumors in various parts of the human body.
- the system can flexibly select the ultrasonic transducer during the acoustic dynamic treatment process, thereby increasing the convenience of the doctor during the treatment and greatly shortening the treatment time of the patient.
- the invention uses in vitro ultrasound without any damage to the normal tissues of the human body, and kills malignant tumors without pain, and is a new system for treating malignant tumors with good selectivity and less side effects.
- the transducer module is described as a rectangular component smaller than the transducer bed, but the transducer module can also be fabricated to complement the transducer bed, or Any other suitable structure that can meet the therapeutic needs.
- any workflow presented herein should not be construed as requiring that its steps be performed in the particular order recited in the embodiments.
- the present invention can also be applied to animals or other targets in need of treatment.
- chlorin derivatives or their pharmaceutically acceptable salts in combination with this ultrasound medical system is used to treat malignant tumors in this specification, for drug activation, cardiovascular and cerebrovascular therapy, body beauty and physical therapy, etc.
- the ultrasonic medical system provided by the present invention is also applicable.
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Abstract
Description
Claims (18)
- 一种二氢卟吩衍生物或其可药用盐,具有下式(I)所示的结构:其中,R 1为:其中R 9、R 10、R 11、R 12和R 13可以相同或者不同,并且各自独立地选自C 1-C 6烷基,并且在R 2为C 1-C 6烷氧基或-OH时,R 3和R 4中的一个为以下任一基团:其中R 9、R 10、R 11、R 12和R 13如上定义,并且R 3和R 4中的另一个为C 1-C 6烷氧基或-OH;M为2H或者金属离子,例如二价金属离子如Cu 2+、Fe 2+、Zn 2+、Mg 2+、Ni 2+、Co 2+、Pt 2+、Pd 2+、或者四价金属离子如Sn 4+或Ti 4+。
- 一种制备权利要求1-3中任一项所述的二氢卟吩衍生物或其可药用盐的方法,其中,所述方法包括:a 1:使化合物1即二氢卟吩e6与醇发生酯化反应,得到化合物2:b 1:在缩合剂的作用下,使化合物2与β-丙氨酸叔丁酯盐酸盐发生缩合反应,得到化合物3:d 1:化合物4发生水解反应,得到化合物5:e 1:在缩合剂的作用下,化合物5与氨基酸酯盐酸盐发生缩合反应,得到式II(a)化合物:其中M为2H,或者在与金属氯化物或乙酸根络合物发生反应后而成为金属离子,例如二价金属离子如Cu 2+、Fe 2+、Zn 2+、Mg 2+、Ni 2+、Co 2+、Pt 2+、Pd 2+、或者四价金属离子如Sn 4+或Ti 4+,其中R 8如权利要求1所定义;可选地,在碱性条件下,使式II(a)化合物发生水解反应,生成相应的盐,即式II(b)化合物;或a 2:在碱性条件下,使化合物1即二氢卟吩e6与卤代烷反应,得到化合物10:其中M为2H,或者在与金属氯化物或乙酸根络合物发生反应后而成为金属离子,例如二价金属离子如Cu 2+、Fe 2+、Zn 2+、Mg 2+、Ni 2+、Co 2+、Pt 2+、Pd 2+、或者四价金属离子如Sn 4+或Ti 4+;c 2:在碱性条件下,使化合物11发生水解反应,得到化合物13:d 2:使化合物13与氨基酸酯盐酸盐发生缩合反应,得到式III(a)化合物:其中M为2H,或者在与金属氯化物或乙酸根络合物发生反应后而成为金属离子,例如二价金属离子如Cu 2+、Fe 2+、Zn 2+、Mg 2+、Ni 2+、Co 2+、Pt 2+、Pd 2+、或者四价金属离子如Sn 4+或Ti 4+,其中R 3如权利要求1所定义;可选地,在碱性条件下,式III(a)化合物发生水解反应,生成相应的盐,即式III(b)化合物;或a 3:在缩合剂的作用下,化合物19与氨基酸酯盐酸盐发生缩合反应,得到化合物20:其中M为2H,或者在与金属氯化物或乙酸根络合物发生反应后而成为金属离子,例如二价金属离子如Cu 2+、Fe 2+、Zn 2+、Mg 2+、Ni 2+、Co 2+、Pt 2+、Pd 2+、或者四价金属离子如Sn 4+或Ti 4+,其中R 4如权利要求1所定义;可选地,在碱性条件下,式IV(a)化合物发生水解反应,生成相应的盐,即IV(b)化合物。
- 一种抗肿瘤组合物,包含:权利要求1-3中任一项所述的二氢卟吩衍生物或其可药用盐、以及药学上可接受的赋形剂;优选地,所述抗肿瘤组合物为注射制剂。
- 根据权利要求5所述的抗肿瘤组合物,其中,所述肿瘤包括良性肿瘤和恶性肿瘤;所述恶性肿瘤包括例如原位癌和癌转移;所述原位癌包括例如乳腺癌、肝癌、肺癌、结直肠癌;所述癌转移包括例如乳腺癌转移、肝癌转移、肺癌转移、结直肠癌转移。
- 权利要求1-3中任一项所述的二氢卟吩衍生物或其可药用盐在制备抗肿瘤药物中的用途;优选地,所述抗肿瘤药物为注射制剂。
- 根据权利要求7所述的用途,其中,所述肿瘤包括良性肿瘤和恶性肿瘤;所述恶性肿瘤包括例如原位癌和癌转移;所述原位癌包括例如乳腺癌、肝癌、肺癌、结直肠癌;所述癌转移包括例如乳腺癌转移、肝癌转移、肺癌转移、结直肠癌转移。
- 根据权利要求7或8所述的用途,其中所述抗肿瘤药物用于光动力治疗或者声动力治疗中。
- 根据权利要求9所述的用途,其中所述光动力治疗中采用波长为600-800nm例如660nm的光波,所述声动力治疗采用强度为1.88W/cm 2的超声。
- 一种二氢卟吩衍生物或其可药用盐与超声医疗系统的组合,其特征在于,所述二氢卟吩衍生物或其可药用盐为权利要求1-3中任一项所述的二氢卟吩衍生物或其可药用盐,所述超声医疗系统包括换能器声床和接触剂,其中,所述换能器声床包括底部和从底部向上延伸的壁部;所述底部在与目标的头、躯干和四肢相对应的位置处分别具有至少一个超声换能器,以用于向位于其上方的目标发射超声波;所述壁部在其与目标头部和四肢相对应的位置处分别具有至少一个超声换能器,以用于向目标发射超声波;所述接触剂用于在所述目标与所述超声换能器之间传递超声波。
- 根据权利要求11所述的组合,其特征在于,所述超声医疗系统还包括换能器模组,其中,所述换能器模组安装在所述换能器声床的上方,包括至少一个超声换能器,用于向位于其下方的目标发射超声波,所述接触剂也用于在所述目标与所述至少一个超声换能器之间传递超声波。
- 根据权利要求12所述的组合,其特征在于,所述换能器模组还包括数控运动装置,用于控制所述换能器模组在水平和/或竖直方向移动。
- 根据权利要求10-13中任一项所述的组合,其特征在于,所述超声波为脉冲波或连续波,优选地,所述超声波频率为0.3-3MHz; 优选地,所述超声波的声强为为0.1-3W/cm 2。
- 根据权利要求10-14中任一项所述的组合,其特征在于,所述接触剂是水和真空脱气冷/热水中的至少一种。
- 根据权利要求10-15中任一项所述的组合,其特征在于,所述超声医疗系统还包括可编程序逻辑控制器自动控制系统和接触剂供应系统,其中:所述接触剂供应系统与换能器声床相连接,用于向所述换能器声床供应接触剂;所述可编程序逻辑控制器自动控制系统分别与所述换能器声床、所述换能器模组以及所述接触剂供应系统相连接,用于控制经由所述接触剂供应系统向所述换能器声床供应接触剂,并用于控制所述换能器声床和所述换能器模组中的至少一部分超声换能器的操作。
- 根据权利要求16所述的组合,其特征在于,所述可编程序逻辑控制器自动控制系统还包括监视系统,用于显示至少以下内容之一:a.所述换能器声床和所述换能器模组中的至少一部分超声换能器的工作参数;b.目标内的病灶信息。
- 根据权利要求10-17中任一项所述的组合,其特征在于,所述二氢卟吩衍生物或其可药用盐通过权利要求4所述的方法制备获得。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP21857691.6A EP4201937A4 (en) | 2020-08-18 | 2021-08-18 | CHLORINE DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, METHOD FOR PREPARING SAME, ITS USE AND ASSOCIATED COMBINATION WITH A MEDICAL ULTRASONIC SYSTEM |
AU2021326906A AU2021326906B2 (en) | 2020-08-18 | 2021-08-18 | Chlorin derivative or pharmaceutically acceptable salt thereof, preparation method therefor, use thereof, and combination thereof with ultrasound medical system |
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CN202010833229.9 | 2020-08-18 | ||
CN202010833233.5A CN111943954B (zh) | 2020-08-18 | 2020-08-18 | 二氢卟吩衍生物及其相应的制备方法和用途 |
CN202010833229 | 2020-08-18 | ||
CN202010833233.5 | 2020-08-18 |
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