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Published on: November 10, 2016
Lead-guided prodrug development of small molecules as GLP-1R agonists
Hannah Lentschat1, Habiba G Aboelfotouh2, Peter Nabil2
1Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Bruederstr. 34, 04103 Leipzig, Germany.
New ester analogs of danuglipron show promise for obesity and T2DM treatment. These compounds may offer sustained drug exposure and improved safety profiles compared to existing therapies.
Area of Science:
- Medicinal Chemistry
- Pharmacology
- Endocrinology
Background:
- Glucagon-like peptide-1 receptor (GLP-1R) agonists are key for obesity and type 2 diabetes mellitus (T2DM) treatment.
- Current GLP-1R therapies are primarily peptide-based, facing limitations like short duration and side effects.
- Danuglipron, a small-molecule GLP-1R agonist, showed efficacy but was discontinued due to safety and pharmacokinetic concerns.
Purpose of the Study:
- To design and synthesize novel acid and ester analogs of danuglipron.
- To evaluate the in vitro activity and pharmacokinetic potential of these new compounds.
- To explore prodrug strategies for improved GLP-1R agonist delivery.
Main Methods:
- Synthesis of danuglipron acid and ester analogs with diverse modifications.
- In vitro GLP-1R activity assays to assess compound efficacy.
- Mass spectrometry to confirm in vitro conversion of ester prodrugs to active metabolites in human plasma.
Main Results:
- Synthesized danuglipron analogs demonstrated comparable in vitro activity to existing treatments.
- Ester compound 4 showed controlled and sustained conversion to its active form (4a) in human plasma.
- These prodrugs suggest potential for modulated pharmacokinetic profiles.
Conclusions:
- Ester derivatives of danuglipron represent a potential strategy for developing improved GLP-1R agonists.
- Prodrugs may offer sustained systemic exposure and potentially enhanced safety.
- Further in vivo studies are required to validate pharmacokinetic and safety advantages.
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