Related Experiment Video
Updated: Aug 6, 2026

Preparation of Enantiopure Non-Activated Aziridines and Synthesis of Biemamide B, D, and epiallo-Isomuscarine
Published on: June 13, 2022
Novel benzimidazole-based MCH R1 antagonists
Andrew J Carpenter1, Kamal A Al-Barazanji, Kevin K Barvian
1Metabolic and Viral Diseases Centre of Excellence for Drug Discovery, GlaxoSmithKline, Five Moore Drive, Research Triangle Park, NC 27709, USA. andrew.j.carpenter@gsk.com
Researchers optimized benzimidazole compounds as melanin-concentrating hormone receptor 1 (MCH R1) antagonists. These novel MCH R1 antagonists demonstrated effectiveness in an animal model of obesity, offering potential therapeutic strategies.
Area of Science:
- Medicinal Chemistry
- Pharmacology
- Neuroscience
Background:
- Melanin-concentrating hormone receptor 1 (MCH R1) plays a role in regulating energy balance.
- Dysregulation of MCH R1 signaling is implicated in metabolic disorders like obesity.
Purpose of the Study:
- To identify and optimize novel benzimidazole-based antagonists targeting MCH R1.
- To evaluate the pharmacokinetic properties and in vivo efficacy of these MCH R1 antagonists.
Main Methods:
- High-throughput screening to identify initial MCH R1 antagonist hits.
- Structure-activity relationship (SAR) studies for lead optimization.
- Pharmacokinetic profiling and in vivo efficacy testing in an animal model of obesity.
Main Results:
- Identification of a screening hit that led to the development of a benzimidazole-based MCH R1 antagonist series.
- Optimization of compounds to achieve favorable structure-activity relationships and pharmacokinetic profiles.
- Demonstration of significant efficacy of a lead MCH R1 antagonist in reducing body weight in an animal model of obesity.
Conclusions:
- Benzimidazole derivatives represent a promising class of MCH R1 antagonists.
- Optimized MCH R1 antagonists hold potential for the treatment of obesity.
Related Concept Videos
Anthelminthic Agents
Chemotherapy-Induced Nausea and Vomiting: Dopamine Receptor Antagonists
Phenothiazines, such as prochlorperazine...
Cholinergic Antagonists: Pharmacokinetics
Cholinergic Antagonists: Chemistry and Structure-Activity Relationship
Chemotherapy-Induced Nausea and Vomiting: 5-HT3 Receptor Antagonists
Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship
Reversible inhibitors display short to medium durations of action. Short-acting agents include simple alcohols with...