Side-by-Side Comparison · 2026

Pexiganan vs Ramoplanin

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

Pexiganan
Antimicrobial Peptide

Pexiganan (MSI-78) is a synthetic analog of magainin-2, optimized for enhanced broad-spectrum antimicrobial activity and reduced hemolytic toxicity. It was developed by Magainin Pharmaceuticals (later Genaera) as a topical treatment for mildly infected diabetic foot ulcers....

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Ramoplanin
Antimicrobial Peptide

Ramoplanin is a glycodepsipeptide antibiotic produced by Actinoplanes sp. ATCC 33076 with potent activity against gram-positive bacteria....

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Key Parameters
Parameter Pexiganan Ramoplanin
Category Antimicrobial Peptide Antimicrobial Peptide
Research Phase 3 (Failed 1999) Phase 3 (Discontinued)
Half-Life Hours (topical) Short (gut lumen)
Typical Dose 0.8% cream topically 200 mg twice daily
Frequency Twice daily Twice daily
Route Topical cream Oral (non-absorbed)
FDA Status Not approved (failed Phase 3) Not approved (Phase 3 discontinued)

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Frequently Asked Questions
What is the difference between Pexiganan and Ramoplanin?
Pexiganan: Pexiganan (MSI-78) is a synthetic analog of magainin-2, optimized for enhanced broad-spectrum antimicrobial activity and reduced hemolytic toxicity. It was developed by Magainin Pharmaceuticals (later... Ramoplanin: Ramoplanin is a glycodepsipeptide antibiotic produced by Actinoplanes sp. ATCC 33076 with potent activity against gram-positive bacteria....
Which has a longer half-life, Pexiganan or Ramoplanin?
Pexiganan half-life: Hours (topical). Ramoplanin half-life: Short (gut lumen).
Can you stack Pexiganan and Ramoplanin?
Pexiganan and Ramoplanin 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.