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Updated: Apr 20, 2026

Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid
Published on: September 20, 2017
Physicochemical and formulation developability assessment for therapeutic peptide delivery--a primer.
Annette Bak1, Dennis Leung, Stephanie E Barrett
1Discovery Pharmaceutical Sciences, Merck & Co, Kenilworth, New Jersey, USA, annette_bak@merck.com.
Peptides offer therapeutic promise but face delivery challenges. This review explores peptide properties, formulation strategies, and diverse administration routes to advance peptide drug development.
Area of Science:
- Pharmaceutical Science
- Drug Delivery
- Biotechnology
Background:
- Peptides are crucial endogenous ligands regulating biological processes.
- They hold significant therapeutic potential for various severe diseases.
- However, peptide-based therapeutics encounter substantial drug delivery challenges.
Purpose of the Study:
- To review the physicochemical, biophysical, and biopharmaceutical properties of peptides relevant to drug development.
- To discuss various peptide drug delivery modalities, focusing on parenteral and alternative routes.
- To highlight formulation techniques for overcoming peptide developability obstacles.
Main Methods:
- Literature review of peptide properties and drug delivery strategies.
- Analysis of formulation techniques for peptide pharmaceuticals.
- Examination of characterization methods for oral peptide delivery.
Main Results:
- Parenteral administration is the most common route for peptide drugs.
- Alternative routes like inhalation, transdermal, and intranasal offer patient preference.
- Specific formulation strategies can mitigate developability issues for peptide delivery.
Conclusions:
- Understanding peptide properties is key to successful drug development.
- Innovative formulation and delivery approaches are essential for peptide therapeutics.
- Advancing pharmaceutical science will enhance the development of this promising drug class.
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