Side-by-Side Comparison · 2026

Omiganan vs Pyrrhocoricin

Omiganan vs Pyrrhocoricin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Omiganan
Antimicrobial Peptide

Omiganan (CLS001, MBI-226) is a synthetic analog of indolicidin, a bovine neutrophil AMP. It was developed for topical antimicrobial applications including acne vulgaris, catheter-site infection prevention, and rosacea....

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Pyrrhocoricin
Antimicrobial Peptide

Pyrrhocoricin is a proline-rich antimicrobial peptide from the hemipteran insect Pyrrhocoris apterus (firebug). Unlike membrane-lytic AMPs, pyrrhocoricin exerts its effects by penetrating bacterial cells and interfering with intracellular targets, specifically the bacterial heat ...

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Key Parameters
Parameter Omiganan Pyrrhocoricin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Phase 3 (Completed) Preclinical
Half-Life Hours (topical) Short
Typical Dose 1-3% gel N/A (research only)
Frequency Twice daily N/A
Route Topical gel/cream Systemic (research)
FDA Status Not approved Not approved

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Frequently Asked Questions
What is the difference between Omiganan and Pyrrhocoricin?
Omiganan: Omiganan (CLS001, MBI-226) is a synthetic analog of indolicidin, a bovine neutrophil AMP. It was developed for topical antimicrobial applications including acne vulgaris, catheter-site infection preve... Pyrrhocoricin: Pyrrhocoricin is a proline-rich antimicrobial peptide from the hemipteran insect Pyrrhocoris apterus (firebug). Unlike membrane-lytic AMPs, pyrrhocoricin exerts its effects by penetrating bacterial ce...
Which has a longer half-life, Omiganan or Pyrrhocoricin?
Omiganan half-life: Hours (topical). Pyrrhocoricin half-life: Short.
Can you stack Omiganan and Pyrrhocoricin?
Omiganan and Pyrrhocoricin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.