WO1997037988A1 - Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung - Google Patents
Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung Download PDFInfo
- Publication number
- WO1997037988A1 WO1997037988A1 PCT/EP1997/001475 EP9701475W WO9737988A1 WO 1997037988 A1 WO1997037988 A1 WO 1997037988A1 EP 9701475 W EP9701475 W EP 9701475W WO 9737988 A1 WO9737988 A1 WO 9737988A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thalidomide
- prodrugs
- acid
- amino
- mmol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the invention relates to thalidomide prodrugs, processes for their preparation and their use as
- TNF- ⁇ Tumornecrosis factor ⁇
- Sclerosis Sclerosis, graft rejection, aphthous stomatitis, erythema nodosum leprosum, Boeck's disease, rheumatoid arthritis and a number of other diseases that are associated with inflammatory symptoms.
- One approach to the therapy of these diseases consists in the targeted suppression of TNF- ⁇ release by administration of immunomodulating active ingredients, such as dexamethasone, pentoxifylline or thalidomide.
- thalidomide In the treatment of aphthous stomatitis, thalidomide has proven to be superior to classic immunosuppressants. Further examples of diseases in which thalidomide showed a good activity without leading to a general immune suppression are cutaneous lupus erythematosus, pyoderma gangranosum and orogenital ulcers in Behcet's disease and ulcerations which do not deviate histologically from ulcers in ulcers in HIV-infected patients In which - unlike the majority of HIV-associated mucocutaneous lesions - no microbial pathogens can be detected.
- these lesions which are also known as major aphthae, can occur in the entire digestive tract and, when localized in the pharynx or the esophagus, can make it more difficult to eat, but also take oral medication, due to their pain-causing effects.
- Endogenous mediators with effects on the endothelium and circulating leukocytes are regarded as pathogenetic factors.
- TNF- ⁇ and other cytokines Under the influence of locally formed TNF- ⁇ and other cytokines, the focal level of the adherence of the endothelium to leukocytes increases, which contributes significantly to the formation of venous vasculitis.
- Substances which, like thalidomide, suppress this change in the endothelium without at the same time blocking the specific cellular immune defense can represent a significant advance in therapy.
- thalidomide derivatives which have a benzoyloxymethyl group with a substituent carrying an amine function on the nitrogen atom of the glutarimide residue. These thalidomide derivatives have a significantly higher solubility in water than thalidomide.
- the pH values of aqueous solutions of these compounds are clearly below the physiological pH value range, so that an increase in the pH value is necessary before their application. In this case, the corresponding bases fail, with the result that the advantage of higher water solubility is significantly or completely eliminated.
- the object underlying the invention was to develop thalidomide prodrugs which are water-soluble in the physiological pH range.
- the compounds to be developed should not cause any toxicological effects by cleaving unphysiological prodrug residues.
- the invention accordingly relates to thalidomide products of E'ormel I.
- R -CHRi-NHR 2 or - (CH 2 ) n COOH R 1 H or C ⁇ _4-alkyl, R 2 H, C] .
- _3-alkyl, C (0) -CH 2 -NHR 3 or an amino protective group, R 3 H or an amino protective group and n are an integer between 2 and 4, m form their bases or salts of physiological acids.
- R 1 C ⁇ - ⁇ - alkyl includes both straight-chain and branched hydrocarbon radicals, which with OH, COOH, -C (0) NH 2 , NH 2 , -NHC (0) NH 2 , -NHC ( NH) NH 2 , S-C ⁇ _3-alkyl or substituted or unsubstituted phenyl may be substituted.
- R 2 C ] __3-alkyl encompasses straight-chain and branched hydrocarbon radicals.
- Suitable thalidomide prodrugs of the formula I with R -CHR ⁇ -NHR 2 are those in which the radical R ⁇ H, CH3, -CH (CH 3 ) 2 , -CH 2 CH (CH 3 ) 2 or -CH ( Means CH 3 ) CH 2 CH 3 and in particular those compounds in which the radicals are RH, CH 3 or -CH (CH 3 ) 2 and R 2 H, CH 3 '
- Another object of the invention is a process for the preparation of thalidomide prodrugs of the formula I with R.
- the t-butyloxycarbonyl and the benzyloxycarbonyl radical are particularly suitable as protective groups for the amino function.
- the reaction of N-hydroxymethylthali domide with a protected amino acid is carried out in the presence of equimolar to double equimolar amounts of a carbodiimide, for example dicyclohexylcarbodimide or a carbonyldiimidazole, in an organic solvent, for example dichloromethane, chloroform. Acetone, dimethylformamide and / or pyridine performed.
- the reactions can be carried out in the presence of a catalyst, for example 4-pyrrolidinopyridine or 4-dimethylaminopyridine.
- the aeidolytic cleavage of the amino protecting group is preferably carried out with trifluoroacetic acid, if appropriate in the presence of an organic solvent, for example dichloromethane.
- the subject of the invention is a process for the preparation of thalidomide prodrugs of the formula I with R - (CH 2 ) n COOH, which is characterized in that N-hydroxymethylthalidomide is reacted with an acid anhydride in the presence of an amine.
- Succinic anhydride is preferably used as the acid anhydride.
- Triethylamine and / or pyridine are suitable as amines, which are usually used in equimolar to double-equimolar amounts based on N-hydroxymethylthalidomide.
- the reactions are usually carried out in an organic solvent, for example dichloromethane, chloroform, pyridine and / or dimethylformamide in the presence of a catalyst, for example 4-pyrrolidinopyridine or 4-dimethylamino-pyridine.
- Salts of compounds according to the invention of physiologically compatible acids for example hydrochloric acid, hydrobromic acid, sulfuric acid, methanesulfonic acid, formic acid, acetic acid, oxalic acid, succinic acid, tartaric acid, mandelic acid, fumaric acid, lactic acid, citric acid, glutamic acid and aspartic acid from the corresponding are ent Bases or the trifluoroacetates available.
- the corresponding trifluoroacetates are preferably converted into the hydrochlorides using a weakly basic anion exchanger. Short-chain aliphatic alcohols, for example methanol, are preferred as solvents.
- the compounds according to the invention can be applied in a water-soluble manner in the physiological pH range between 7.0 and 7.5 and are toxicologically harmless. Accordingly, the subject of the invention is also the use of a thalidomide prodrug of the formula I as an active ingredient in medicaments, which are preferably administered parenterally.
- Medicaments according to the invention contain, in addition to at least one thalidomide prodrug of the formula I, carrier materials, fillers, solvents, diluents, dyes and / or binders.
- carrier materials for supplying drug to at least one thalidomide prodrug of the formula I.
- thalidomide prodrugs of the formula I are suitable for the treatment of all diseases which are characterized by high TNF- ⁇ formation or focal vasculides.
- the water solubility was determined by UV spectroscopy at 300 nm and 25 ° C.
- LPS lipopolysaccharide
- Mononuclear cells were obtained from heparinized blood from at least three volunteer donors. For this purpose, 20 ml of blood were separated in a known manner using a Ficoll-Paque gradient. The cells were harvested and washed three times with a cell culture medium.
- the cell culture medium used consisted of RPMI 1640 medium supplemented with 2 mM glutamm (Life Technologies, Eggenstein), 10 o fetal calf serum (Life Technologies), 50 ⁇ g / ml streptomycin (Sigma, Deisenhofen), 50 IU / ml penicillin (Sigma) and 100 ⁇ M ß-mercaptoethanol (Merck, Darmstadt).
- the mononuclear cells were then taken up in 15 ml of cell culture medium and divided into 1 ml batches in sterile 24-hole incubation plates (Sigma). 1 ⁇ l of dimethyl sulfoxide (DMSO, Merck) were added to the 1 ml batches which were used as the control batch. 1 ⁇ l of a solution of a compound according to the invention (in DMSO; final concentrations in the test: 0.5, 5, 12.5 and 50 ⁇ g / ml) was added to the test batches. The batches were incubated for one hour in the CO 2 incubator (5% CO 2 , 90% air humidity). Then, with the exception of the control batches, 2.5 ⁇ g LPS (from E.
- DMSO dimethyl sulfoxide
- the following table shows the inhibitory influence of the compounds according to the invention on the LPS-reduced release of TNF- ⁇ : Invention inhibition of TNF- ⁇ release IC 50 [ ⁇ g / ml] according to Ver ⁇ at a final concentration of binding 50 ⁇ g / ml
- a test model was selected in which T lymphocytes were stimulated.
- the relevance of the immunopharmacological animal model results from the cell-cell cooperation required when initiating an immune response. Due to the interaction between antigen-presenting cells, e.g. B. monocytes, with T cells only the prerequisite for activation and clonal expansion of the T cells is created. This is characteristic of both defense against infection and also of autoimmune aggression or graft rejection or graft-versus-host reaction (graft vs. host disease). Lymphocyte infiltrates represent the initial stage of, for example, chronic graft vs. host reactions, but also of acute aphthous lesions in the oral mucosa, as they occur in Behcet's disease or as so-called idiopathic aphthae.
- T cells The stimulation of T cells was achieved by intravenous application of staphylococcal enterotoxin B (SEB; 200 ⁇ g) to galactosamine-pretreated balb / c mice.
- SEB is a superantigen that on the one hand MHC molecules on antigen-presenting cells, on the other hand invariable structures on certain T-cell re- receptor families binds. This results in the activation of both the T cell and the monocytes.
- the concentration of the cytokine interleukin-2 (IL-2) in the serum was determined by means of a commercial ELISA test which specifically detects murine IL-2.
- the compounds according to the invention were dissolved in 1% aqueous carboxymethyl cellulose (CMC) and administered to the animals intraperitoneally in doses of 100 to 400 mg / kg and volume of 1 ml 30 minutes before the SEB application.
- the animals in the control group ⁇ 1 ml / kg 1 V aqueous CMC solution was administered intraperitoneally
- the serum IL-2 concentrations were determined 2 hours after application of SEB
- the following table shows the maximum inhibitory effects (in °) of the serum IL -2 levels in the groups treated with a compound according to the invention in comparison with the control group. The percentages represent mean values of 6 to 8 individual experiments in each case.
- the doses were calculated using a regression line, which led to a 40% reduction in the Serum-
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyrrole Compounds (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/155,896 US6417197B1 (en) | 1996-04-09 | 1997-03-22 | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
DK97916380T DK0892794T3 (da) | 1996-04-09 | 1997-03-22 | Acylerede N-hydroxymethyl thalidomid-promedikamenter med immunmodulatorisk virkning |
SI9730242T SI0892794T1 (en) | 1996-04-09 | 1997-03-22 | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
AU25052/97A AU707144B2 (en) | 1996-04-09 | 1997-03-22 | Acylated N-hydroxymethyl thalidomide prodrugs having an immunomodulatory effect |
JP9535786A JP2000508298A (ja) | 1996-04-09 | 1997-03-22 | 免疫調節作用を有するアシル化n―ヒドロキシメチルサリドマイドプロドラッグ |
EP97916380A EP0892794B1 (de) | 1996-04-09 | 1997-03-22 | Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung |
CA002251060A CA2251060C (en) | 1996-04-09 | 1997-03-22 | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
DE59706313T DE59706313D1 (de) | 1996-04-09 | 1997-03-22 | Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung |
AT97916380T ATE212989T1 (de) | 1996-04-09 | 1997-03-22 | Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung |
HK99102396A HK1017350A1 (en) | 1996-04-09 | 1999-05-28 | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19613976.7 | 1996-04-09 | ||
DE19613976A DE19613976C1 (de) | 1996-04-09 | 1996-04-09 | Thalidomid-Prodrugs mit immunmodulatorischer Wirkung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997037988A1 true WO1997037988A1 (de) | 1997-10-16 |
Family
ID=7790778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/001475 WO1997037988A1 (de) | 1996-04-09 | 1997-03-22 | Acylierte n-hydroxymethyl thalidomid-prodrugs mit immunomodulatorischer wirkung |
Country Status (13)
Country | Link |
---|---|
US (1) | US6417197B1 (de) |
EP (1) | EP0892794B1 (de) |
JP (1) | JP2000508298A (de) |
CN (1) | CN1102931C (de) |
AT (1) | ATE212989T1 (de) |
AU (1) | AU707144B2 (de) |
DE (2) | DE19613976C1 (de) |
DK (1) | DK0892794T3 (de) |
ES (1) | ES2171923T3 (de) |
HK (1) | HK1017350A1 (de) |
HU (1) | HUP9902181A3 (de) |
PT (1) | PT892794E (de) |
WO (1) | WO1997037988A1 (de) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998054170A1 (en) * | 1997-05-30 | 1998-12-03 | Celgene Corporation | SUBSTITUTED 2-(2,6-DIOXOPIPERIDIN-3-YL)-PHTHALIMIDES AND 1-OXOISOINDOLINES AND METHOD OF REDUCING TNFα LEVELS |
EP0908176A1 (de) * | 1997-10-06 | 1999-04-14 | Grünenthal GmbH | Intravenöse Applikationsform von Thalidomid zur Therapie Immunologischer Erkrankungen |
WO1999046258A1 (en) * | 1998-03-13 | 1999-09-16 | Celgene Corporation | SUBSTITUTED 2-(2,6-DIOXO-3-FLUOROPIPERIDIN-3-YL)-ISOINDOLINES AND THEIR USE TO REDUCE TNFα LEVELS |
EP0914123A4 (de) * | 1996-05-29 | 2000-10-11 | Prototek Inc | Thalidomid-prodrugs und verfahren zur verwendung als t-zell-modulatoren |
US6417197B1 (en) * | 1996-04-09 | 2002-07-09 | Gruenenthal Gmbh | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
WO2002068414A2 (en) * | 2001-02-27 | 2002-09-06 | The Governement Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services | Analogs of thalidomide as potential angiogenesis inhibitors |
EP1308444A1 (de) * | 1997-11-18 | 2003-05-07 | Celgene Corporation | Substituierte 2-(2,6-dioxo-3-fluoropiperidine-3-yl)-isoindoline und ihre Verwendung zum reduzieren des TNF-alpha spiegels |
WO2005016326A2 (en) * | 2003-07-11 | 2005-02-24 | The Government Of The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | Analogs of thalidomide as potential angiogenesis inhibitors |
US7091353B2 (en) | 2000-12-27 | 2006-08-15 | Celgene Corporation | Isoindole-imide compounds, compositions, and uses thereof |
WO2007079182A1 (en) * | 2005-12-29 | 2007-07-12 | Celgene Corporation | Methods for treating cutaneous lupus using aminoisoindoline compounds |
US7973057B2 (en) | 2003-09-17 | 2011-07-05 | The United States Of America As Represented By The Department Of Health And Human Services | Thalidomide analogs |
US8143252B2 (en) | 2006-04-13 | 2012-03-27 | The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | Tetrahalogenated compounds useful as inhibitors of angiogenesis |
US8853253B2 (en) | 2003-09-17 | 2014-10-07 | P2D, Inc. | Thalidomide analogs |
US9084783B2 (en) | 2011-12-02 | 2015-07-21 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | Thio compounds |
EP3771711A1 (de) | 2019-07-29 | 2021-02-03 | Bayer Animal Health GmbH | Pyrazolderivate für die kontrolle von arthropoden |
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AU4515001A (en) * | 1999-12-02 | 2001-06-18 | Regents Of The University Of Michigan, The | Compositions and methods for locally treating inflammatory diseases |
CN100488959C (zh) * | 2003-03-27 | 2009-05-20 | 天津和美生物技术有限公司 | 水溶性的酞胺哌啶酮衍生物 |
CN100398534C (zh) * | 2003-09-15 | 2008-07-02 | 天津和美生物技术有限公司 | 合成酞胺哌啶酮及其衍生物的方法 |
EP1682126B1 (de) * | 2003-10-16 | 2009-07-01 | Novartis Vaccines and Diagnostics, Inc. | Substituierte benzazole und ihre verwendung als raf-kinase-hemmer |
ITMI20041113A1 (it) * | 2004-06-01 | 2004-09-01 | Antibioticos Spa | Processo per la sintesi della talidomide |
RU2527952C2 (ru) | 2008-10-29 | 2014-09-10 | Селджин Корпорейшн | Изоиндолиновые соединения для применения при лечении рака |
PL3399978T3 (pl) * | 2016-01-08 | 2021-04-06 | Celgene Corporation | Związki antyproliferacyjne oraz ich kompozycje farmaceutyczne i zastosowania |
US20200199097A1 (en) * | 2017-08-21 | 2020-06-25 | Nanjing Noratech Pharmaceuticals Co., Ltd | Pomalidomide derivative and preparation method therefor |
CN111499610A (zh) * | 2019-01-31 | 2020-08-07 | 南京诺瑞特医药科技有限公司 | 泊马度胺前体药物盐的多晶型物 |
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WO1992014455A1 (en) * | 1991-02-14 | 1992-09-03 | The Rockefeller University | METHOD FOR CONTROLLING ABNORMAL CONCENTRATION TNF α IN HUMAN TISSUES |
DE4211812A1 (de) * | 1991-04-17 | 1992-10-22 | Gruenenthal Gmbh | Neue thalidomidderivate, ein verfahren zu deren herstellung sowie die verwendung derselben in arzneimitteln |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19613976C1 (de) * | 1996-04-09 | 1997-11-20 | Gruenenthal Gmbh | Thalidomid-Prodrugs mit immunmodulatorischer Wirkung |
-
1996
- 1996-04-09 DE DE19613976A patent/DE19613976C1/de not_active Expired - Fee Related
-
1997
- 1997-03-22 PT PT97916380T patent/PT892794E/pt unknown
- 1997-03-22 DK DK97916380T patent/DK0892794T3/da active
- 1997-03-22 US US09/155,896 patent/US6417197B1/en not_active Expired - Fee Related
- 1997-03-22 EP EP97916380A patent/EP0892794B1/de not_active Expired - Lifetime
- 1997-03-22 AU AU25052/97A patent/AU707144B2/en not_active Ceased
- 1997-03-22 AT AT97916380T patent/ATE212989T1/de not_active IP Right Cessation
- 1997-03-22 JP JP9535786A patent/JP2000508298A/ja not_active Withdrawn
- 1997-03-22 DE DE59706313T patent/DE59706313D1/de not_active Expired - Fee Related
- 1997-03-22 HU HU9902181A patent/HUP9902181A3/hu unknown
- 1997-03-22 ES ES97916380T patent/ES2171923T3/es not_active Expired - Lifetime
- 1997-03-22 WO PCT/EP1997/001475 patent/WO1997037988A1/de active IP Right Grant
- 1997-03-22 CN CN97193682A patent/CN1102931C/zh not_active Expired - Fee Related
-
1999
- 1999-05-28 HK HK99102396A patent/HK1017350A1/xx not_active IP Right Cessation
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WO1992014455A1 (en) * | 1991-02-14 | 1992-09-03 | The Rockefeller University | METHOD FOR CONTROLLING ABNORMAL CONCENTRATION TNF α IN HUMAN TISSUES |
DE4211812A1 (de) * | 1991-04-17 | 1992-10-22 | Gruenenthal Gmbh | Neue thalidomidderivate, ein verfahren zu deren herstellung sowie die verwendung derselben in arzneimitteln |
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Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6417197B1 (en) * | 1996-04-09 | 2002-07-09 | Gruenenthal Gmbh | Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action |
EP0914123A4 (de) * | 1996-05-29 | 2000-10-11 | Prototek Inc | Thalidomid-prodrugs und verfahren zur verwendung als t-zell-modulatoren |
WO1998054170A1 (en) * | 1997-05-30 | 1998-12-03 | Celgene Corporation | SUBSTITUTED 2-(2,6-DIOXOPIPERIDIN-3-YL)-PHTHALIMIDES AND 1-OXOISOINDOLINES AND METHOD OF REDUCING TNFα LEVELS |
EP1956017A1 (de) * | 1997-05-30 | 2008-08-13 | Celgene Corporation | Substituierte 2-(2,6-Dioxopiperidin-3-yl)-phthalimide und Verfahren zur Verringerung der TNF-Alpha-Stufen |
EP1486496A1 (de) * | 1997-05-30 | 2004-12-15 | Celgene Corporation | Substituierte 2-(2,6-Dioxopiperidin-3-yl)-Phthalimide und 1-Oxoisoindoline und Verfahren zur Verminderung des TNF-Alpha Spiegels |
EP0908176A1 (de) * | 1997-10-06 | 1999-04-14 | Grünenthal GmbH | Intravenöse Applikationsform von Thalidomid zur Therapie Immunologischer Erkrankungen |
US6124322A (en) * | 1997-10-06 | 2000-09-26 | Gruenenthal Gmbh | Intravenous form of thalidomide for treating immunological diseases |
EP1308444A1 (de) * | 1997-11-18 | 2003-05-07 | Celgene Corporation | Substituierte 2-(2,6-dioxo-3-fluoropiperidine-3-yl)-isoindoline und ihre Verwendung zum reduzieren des TNF-alpha spiegels |
EP1710242A1 (de) * | 1997-11-18 | 2006-10-11 | Celgene Corporation | Substituierte 2-(2,6-Dioxo-3-Fluoropiperidine-3-yl)-Isoindoline und ihre Verwendung zum Reduzieren des TNF-alpha Spiegels |
CZ299808B6 (cs) * | 1997-11-18 | 2008-12-03 | Celgene Corporation | Substituované 2-(2,6-dioxo-3-fluoropiperidin-3-yl)izoindoliny a jejich použití za úcelem snížení hladin TNFalfa |
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Also Published As
Publication number | Publication date |
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DK0892794T3 (da) | 2002-04-15 |
EP0892794B1 (de) | 2002-02-06 |
AU707144B2 (en) | 1999-07-01 |
EP0892794A1 (de) | 1999-01-27 |
US6417197B1 (en) | 2002-07-09 |
HUP9902181A2 (hu) | 2000-04-28 |
DE19613976C1 (de) | 1997-11-20 |
AU2505297A (en) | 1997-10-29 |
HK1017350A1 (en) | 1999-11-19 |
JP2000508298A (ja) | 2000-07-04 |
CN1215397A (zh) | 1999-04-28 |
ES2171923T3 (es) | 2002-09-16 |
PT892794E (pt) | 2002-07-31 |
HUP9902181A3 (en) | 2002-11-28 |
DE59706313D1 (de) | 2002-03-21 |
CN1102931C (zh) | 2003-03-12 |
ATE212989T1 (de) | 2002-02-15 |
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