CN110996943A - 促肾上腺皮质激素释放因子受体拮抗剂 - Google Patents

促肾上腺皮质激素释放因子受体拮抗剂 Download PDF

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Publication number
CN110996943A
CN110996943A CN201880038569.3A CN201880038569A CN110996943A CN 110996943 A CN110996943 A CN 110996943A CN 201880038569 A CN201880038569 A CN 201880038569A CN 110996943 A CN110996943 A CN 110996943A
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compound
pharmaceutically acceptable
solvate
acceptable salt
pharmaceutical composition
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Chinese (zh)
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A·豪尔顿
H·格伯
M·黄
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Spruce Biosciences Inc
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Spruce Biosciences Inc
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Application filed by Spruce Biosciences Inc filed Critical Spruce Biosciences Inc
Priority to CN202410709847.0A priority Critical patent/CN118845788A/zh
Publication of CN110996943A publication Critical patent/CN110996943A/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53771,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/57Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
    • A61K31/573Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2072Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2077Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4816Wall or shell material
    • A61K9/4825Proteins, e.g. gelatin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • A61P15/08Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00Drugs for disorders of the endocrine system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00Drugs for disorders of the endocrine system
    • A61P5/06Drugs for disorders of the endocrine system of the anterior pituitary hormones, e.g. TSH, ACTH, FSH, LH, PRL, GH
    • A61P5/08Drugs for disorders of the endocrine system of the anterior pituitary hormones, e.g. TSH, ACTH, FSH, LH, PRL, GH for decreasing, blocking or antagonising the activity of the anterior pituitary hormones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00Drugs for disorders of the endocrine system
    • A61P5/24Drugs for disorders of the endocrine system of the sex hormones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00Drugs for disorders of the endocrine system
    • A61P5/38Drugs for disorders of the endocrine system of the suprarenal hormones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2300/00Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Endocrinology (AREA)
  • Diabetes (AREA)
  • Reproductive Health (AREA)
  • Hematology (AREA)
  • Obesity (AREA)
  • Gynecology & Obstetrics (AREA)
  • Pregnancy & Childbirth (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
CN201880038569.3A 2017-08-14 2018-08-14 促肾上腺皮质激素释放因子受体拮抗剂 Pending CN110996943A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410709847.0A CN118845788A (zh) 2017-08-14 2018-08-14 促肾上腺皮质激素释放因子受体拮抗剂

Applications Claiming Priority (3)

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US201762545406P 2017-08-14 2017-08-14
US62/545,406 2017-08-14
PCT/US2018/046760 WO2019036503A1 (en) 2017-08-14 2018-08-14 CORTICOTROPIN RELEASE FACTOR RECEPTOR ANTAGONISTS

Related Child Applications (1)

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CN110996943A true CN110996943A (zh) 2020-04-10

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CN202410709847.0A Pending CN118845788A (zh) 2017-08-14 2018-08-14 促肾上腺皮质激素释放因子受体拮抗剂

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US (9) US20210361664A1 (https=)
EP (1) EP3628005A4 (https=)
JP (3) JP7398963B2 (https=)
KR (2) KR20200040761A (https=)
CN (2) CN110996943A (https=)
AU (2) AU2018317398A1 (https=)
BR (1) BR112020002967A2 (https=)
CA (1) CA3064464A1 (https=)
EA (1) EA202090450A1 (https=)
MX (2) MX2019015320A (https=)
WO (1) WO2019036503A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RS65839B1 (sr) 2014-01-21 2024-09-30 Neurocrine Biosciences Inc Crf1 receptor antagonisti za tretman kongenitalne adrenalne hiperplazije
WO2019036503A1 (en) 2017-08-14 2019-02-21 Spruce Biosciences, Inc. CORTICOTROPIN RELEASE FACTOR RECEPTOR ANTAGONISTS
EP4643950A3 (en) * 2018-04-27 2026-01-14 Spruce Biosciences, Inc. Methods for treating testicular and ovarian adrenal rest tumors
US20220023266A1 (en) 2018-12-07 2022-01-27 Neurocrine Biosciences, Inc. Crf1 receptor antagonist, pharmaceutical formulations and solid forms thereof for the treatment of congenital adrenal hyperplasia
JP2022541550A (ja) * 2019-07-19 2022-09-26 スプルース バイオサイエンシーズ,インク. 先天性副腎過形成を処置する方法
JP7623365B2 (ja) 2019-09-27 2025-01-28 ニューロクライン バイオサイエンシーズ,インコーポレイテッド Crf受容体アンタゴニストおよび使用方法
KR20240023691A (ko) 2020-08-12 2024-02-22 스프루스 바이오사이언시스 인코포레이티드 다낭성 난소 증후군을 치료하기 위한 방법 및 조성물
US20240024330A1 (en) * 2020-08-26 2024-01-25 Neurocrine Biosciences, Inc. Crf receptor antagonists and methods of use
US11708372B2 (en) 2021-11-19 2023-07-25 Spruce Biosciences, Inc. Crystalline composition of tildacerfont and methods of use and preparation thereof
WO2025188842A1 (en) * 2024-03-08 2025-09-12 Spruce Biosciences, Inc. Amorphous solid dispersion of tildacerfont formulations

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516887A (zh) * 2006-09-20 2009-08-26 伊莱利利公司 作为crf1受体拮抗剂的噻唑吡唑并嘧啶类
WO2015112642A1 (en) * 2014-01-21 2015-07-30 Neurocrine Biosciences, Inc. Crf1 receptor antagonists for the treatment of congenital adrenal hyperplasia

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990067704A (ko) 1992-12-17 1999-08-25 디. 제이. 우드, 스피겔 알렌 제이 부신피질자극호르몬 유리인자 길항제로서의 피롤로피리미딘을함유하는 약학 조성물
AU713673B2 (en) 1996-02-07 1999-12-09 Neurocrine Biosciences Inc. Pyrazolopyrimidines as crf receptor antagonists
HU229024B1 (en) 1996-07-24 2013-07-29 Bristol Myers Squibb Pharma Co Azolo-pyridimidines, pharmaceutical compositions containing the same and use thereof
EA004403B1 (ru) 1996-07-24 2004-04-29 Дюпон Фармасьютикалз Компани Производные пиразолотриазинов, фармацевтические композиции, содержащие их, способы лечения
JP3621706B2 (ja) 1996-08-28 2005-02-16 ファイザー・インク 置換された6,5―ヘテロ―二環式誘導体
IL137019A (en) 1998-01-28 2010-11-30 Du Pont Pharm Co 2,7 - dimethyl - 4 - (substituted amino) - 8 - arylpyrazolo [1,5-a] triazine derivatives and pharmaceutical compositions containing them
ATE301657T1 (de) 1998-01-28 2005-08-15 Bristol Myers Squibb Pharma Co Azolo-pyrimidine
EP1040831A3 (en) 1999-04-02 2003-05-02 Pfizer Products Inc. Use of corticotropin releasing factor (CRF) antagonists to prevent sudden death
AU4203500A (en) 1999-04-06 2000-10-23 Du Pont Pharmaceuticals Company Pyrazolopyrimidines as crf antagonists
ES2277855T3 (es) 1999-09-30 2007-08-01 Neurogen Corporation Pirazolo-(1,5-a)-1,5-pirimidinas y pirazolo-(1,5-a)-1,3,5-triazinas amino sustituidas.
PL351069A1 (en) 1999-12-08 2003-03-10 Pharmacia Corp Valdecoxib compositions
NZ528207A (en) 2001-03-13 2006-02-24 Bristol Myers Squibb Pharma Co 4-(2-butylamino)-2,7-dimethyl-8-(2-methyl-6-methoxypyrid-3-yl) pyrazolo-[1,5-A]-1,3,5-triazine, its enantiomers and pharmaceutically acceptable salts as corticotropin releasing factor receptor ligands
US20050085479A1 (en) 2003-08-27 2005-04-21 Pharmacia Corporation Mediated central nervous system compositions of a cyclooxygenase-2 selective inhibitor and a corticotropin releasing factor antagonist for the treatment of ischemic disorders or injury
EP1708790B1 (en) 2003-12-02 2010-04-21 PharmaNeuroBoost N.V. Use of pipamperone and a d2-receptor antagonist or a serotonin/dopamin antagonist for the treatment of psychotic disorders
MY143499A (en) 2003-12-22 2011-05-31 Sb Pharmco Inc Crf receptor antagonist and methods relating thereto
WO2005079807A1 (en) 2004-02-13 2005-09-01 Pfizer Products Inc. Therapeutic combinations of atypical antipsychotics with corticotropin releasing factor antagonists
EP1722826A2 (en) 2004-02-13 2006-11-22 SB Pharmco Puerto Rico Inc. Crf receptor antagonists, their preparations, their pharmaceutical composition and their uses
EP1781257B1 (en) * 2004-08-13 2018-12-19 Emisphere Technologies, Inc. Pharmaceutical formulations containing microparticles or nanoparticles of a delivery agent
EP1869049B1 (en) 2005-03-21 2009-03-04 Eli Lilly And Company Imidazopyridazine compounds
CN101516835A (zh) 2006-07-19 2009-08-26 俄亥俄州立大学研究基金会 选择性雄激素受体调节剂、它们的类似物和衍生物以及它们的用途
JP5184536B2 (ja) 2006-09-20 2013-04-17 イーライ リリー アンド カンパニー チオフェンピラゾロピリミジン化合物
US8952207B2 (en) 2007-09-11 2015-02-10 The University Of Houston System Copper-catalyzed C—H bond arylation
US8318813B2 (en) 2007-09-13 2012-11-27 Lcs Group, Llc Method of treating binge eating disorder
DK2350079T3 (da) 2008-10-02 2012-12-17 Lilly Co Eli Thiazolylpyrazolopyrimidinforbindelser som syntetiske mellemprodukter og dertil relaterede syntetiske fremgangsmåder
EP4718074A2 (en) * 2008-12-24 2026-04-01 Quest Diagnostics Investments Incorporated Mass spectrometry assay for congenital adrenal hyperplasia
EP2682111A1 (en) * 2009-12-31 2014-01-08 Differential Drug Development Associates LLC Modulation of solubility, stability, absorption, metabolism, and pharmacokinetic profile of lipophilic drugs by sterols
AU2013230781B2 (en) 2012-03-08 2015-12-03 Medtronic Af Luxembourg S.A.R.L. Ovarian neuromodulation and associated systems and methods
US20150094310A1 (en) 2012-04-23 2015-04-02 Holsboermaschmeyer Neurochemie Gmbh Crhr1 antagonists for use in the treatment of patients having crh overactivity
AU2016242867B2 (en) 2015-03-31 2020-11-05 May Health Us Inc. Methods and systems for the manipulation of ovarian tissues
WO2019036503A1 (en) 2017-08-14 2019-02-21 Spruce Biosciences, Inc. CORTICOTROPIN RELEASE FACTOR RECEPTOR ANTAGONISTS
JP7285222B2 (ja) 2017-08-14 2023-06-01 スプルース バイオサイエンシズ インコーポレイテッド 副腎皮質刺激ホルモン放出因子受容体拮抗薬
EP4643950A3 (en) 2018-04-27 2026-01-14 Spruce Biosciences, Inc. Methods for treating testicular and ovarian adrenal rest tumors
US20220023266A1 (en) 2018-12-07 2022-01-27 Neurocrine Biosciences, Inc. Crf1 receptor antagonist, pharmaceutical formulations and solid forms thereof for the treatment of congenital adrenal hyperplasia
US20200255436A1 (en) 2019-02-12 2020-08-13 Spruce Biosciences, Inc. Corticotropin releasing factor receptor antagonists
JP2022541550A (ja) 2019-07-19 2022-09-26 スプルース バイオサイエンシーズ,インク. 先天性副腎過形成を処置する方法
KR20240023691A (ko) 2020-08-12 2024-02-22 스프루스 바이오사이언시스 인코포레이티드 다낭성 난소 증후군을 치료하기 위한 방법 및 조성물
JP2024539907A (ja) 2021-11-19 2024-10-31 スプルース バイオサイエンシーズ,インク. チルダセルフォントの結晶性組成物ならびにその使用方法および調製方法
US11708372B2 (en) 2021-11-19 2023-07-25 Spruce Biosciences, Inc. Crystalline composition of tildacerfont and methods of use and preparation thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516887A (zh) * 2006-09-20 2009-08-26 伊莱利利公司 作为crf1受体拮抗剂的噻唑吡唑并嘧啶类
WO2015112642A1 (en) * 2014-01-21 2015-07-30 Neurocrine Biosciences, Inc. Crf1 receptor antagonists for the treatment of congenital adrenal hyperplasia

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ADINA F. TURCU等: "Single-Dose Study of a Corticotropin-Releasing Factor Receptor-1 Antagonist in Women With 21-Hydroxylase Deficiency", 《J CLIN ENDOCRINOL METAB》 *

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EP3628005A4 (en) 2021-01-20
US20230414627A1 (en) 2023-12-28
KR20200040761A (ko) 2020-04-20
JP2025020148A (ja) 2025-02-12
JP7573080B2 (ja) 2024-10-24
US11311549B2 (en) 2022-04-26
EP3628005A1 (en) 2020-04-01
WO2019036503A1 (en) 2019-02-21
KR20250022913A (ko) 2025-02-17
AU2023200189A1 (en) 2023-02-16
US20210322431A1 (en) 2021-10-21
US20210015827A1 (en) 2021-01-21
US11007201B2 (en) 2021-05-18
US12115166B2 (en) 2024-10-15
BR112020002967A2 (pt) 2020-08-11
AU2023200189B2 (en) 2024-02-22
US10849908B2 (en) 2020-12-01
EA202090450A1 (ru) 2020-09-24
US20190262349A1 (en) 2019-08-29
JP2020530831A (ja) 2020-10-29
US20210038609A1 (en) 2021-02-11
MX2023000501A (es) 2023-02-13
US20210361664A1 (en) 2021-11-25
AU2018317398A1 (en) 2019-11-21
US20220143037A1 (en) 2022-05-12
JP7398963B2 (ja) 2023-12-15
US11344557B2 (en) 2022-05-31
CN118845788A (zh) 2024-10-29
US11351177B2 (en) 2022-06-07
US20230321112A1 (en) 2023-10-12
MX2019015320A (es) 2020-07-20
CA3064464A1 (en) 2019-02-21
US20210322430A1 (en) 2021-10-21
JP2024001014A (ja) 2024-01-09

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