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Shinde AK, Badange RK, Reballi V, Achanta PK, Bojja K, Manchineella S, Rao Muddana N, Subramanian R, Choudary Palacharla R, Benade V, Jayarajan P, Thentu JB, Lingavarapu BB, Yarra S, Kagita N, Rao Doguparthi M, Mohammed AR, Nirogi R. 1-[2-(1-Cyclobutylpiperidin-4-yloxy)-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl]propan-1-one: a Histamine H 3 Receptor Inverse Agonist with Efficacy in Animal Models of Cognition. ChemMedChem 2021; 17:e202100583. [PMID: 34761873 DOI: 10.1002/cmdc.202100583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/06/2021] [Indexed: 11/10/2022]
Abstract
A series of chemical optimizations, which was guided by in vitro affinity at histamine H3 receptor (H3 R), modulation of lipophilicity, ADME properties and preclinical efficacy resulted in the identification of 1-[2-(1-cyclobutylpiperidin-4-yloxy)-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl]propan-1-one (45 e) as a potent and selective (Ki =4.0 nM) H3 R inverse agonist. Dipsogenia induced by (R)-α-methylhistamine was dose dependently antagonized by 45 e, confirming its functional antagonism at H3 R. It is devoid of hERG and phospholipidosis issues. Compound 45 e has adequate oral exposures and favorable half-life in both rats and dogs. It has demonstrated high receptor occupancy (ED80 =0.22 mg/kg) and robust efficacy in object recognition task and, dose dependently increased acetylcholine levels in brain. The sub-therapeutic doses of 45 e in combination with donepezil significantly increased acetylcholine levels. The potent affinity, selectivity, in vivo efficacy and drug like properties together with safety, warrant for further development of this molecule for potential treatment of cognitive disorders associated with Alzheimer's disease.
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Affiliation(s)
- Anil Karbhari Shinde
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Rajesh Kumar Badange
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Veena Reballi
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Pramod Kumar Achanta
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Kumar Bojja
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Sravanthi Manchineella
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Nageswara Rao Muddana
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Ramkumar Subramanian
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Raghava Choudary Palacharla
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Vijay Benade
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Pradeep Jayarajan
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Jagadeesh Babu Thentu
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Bujji Babu Lingavarapu
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Sivasekhar Yarra
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Narendra Kagita
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Mallikarjuna Rao Doguparthi
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Abdul Rasheed Mohammed
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
| | - Ramakrishna Nirogi
- Drug Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road-5, Avenue-7, Banjara Hills, Hyderabad, 500 034, India
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Nirogi R, Shinde A, Mohammed AR, Badange RK, Reballi V, Bandyala TR, Saraf SK, Bojja K, Manchineella S, Achanta PK, Kandukuri KK, Subramanian R, Benade V, Palacharla RC, Jayarajan P, Pandey S, Jasti V. Discovery and Development of N-[4-(1-Cyclobutylpiperidin-4-yloxy)phenyl]-2-(morpholin-4-yl)acetamide Dihydrochloride (SUVN-G3031): A Novel, Potent, Selective, and Orally Active Histamine H 3 Receptor Inverse Agonist with Robust Wake-Promoting Activity. J Med Chem 2019; 62:1203-1217. [PMID: 30629436 DOI: 10.1021/acs.jmedchem.8b01280] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A series of chemical optimizations guided by in vitro affinity at a histamine H3 receptor (H3R), physicochemical properties, and pharmacokinetics in rats resulted in identification of N-[4-(1-cyclobutyl-piperidin-4-yloxy)phenyl]-2-(morpholin-4-yl)acetamide dihydrochloride (17v, SUVN-G3031) as a clinical candidate. Compound 17v is a potent (hH3R Ki = 8.73 nM) inverse agonist at H3R with selectivity over other 70 targets, Compound 17v has adequate oral exposures and favorable elimination half-lives both in rats and dogs. It demonstrated high receptor occupancy and marked wake-promoting effects with decreased rapid-eye-movement sleep in orexin-B saporin lesioned rats supporting its potential therapeutic utility in treating human sleep disorders. It had no effect on the locomotor activity at doses several fold higher than its efficacious dose. It is devoid of hERG and phospholipidosis issues. Phase-1 evaluation for safety, tolerability, and pharmacokinetics, and long-term safety studies in animals have been successfully completed without any concern for further development.
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Affiliation(s)
- Ramakrishna Nirogi
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Anil Shinde
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Abdul Rasheed Mohammed
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Rajesh Kumar Badange
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Veena Reballi
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Thrinath Reddy Bandyala
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Sangram Keshari Saraf
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Kumar Bojja
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Sravanthi Manchineella
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Pramod Kumar Achanta
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Kiran Kumar Kandukuri
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Ramkumar Subramanian
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Vijay Benade
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Raghava Choudary Palacharla
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Pradeep Jayarajan
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Santoshkumar Pandey
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
| | - Venkat Jasti
- Discovery Research, Suven Life Sciences Ltd , Serene Chambers, Road-5, Avenue-7 , Banjara Hills, Hyderabad 500 034 , India
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