Educational Wellness Information Only
This platform provides peer-reviewed research summaries and educational content about peptides for wellness and optimization purposes. Nothing on this site is intended as medical advice, diagnosis, or treatment. We do not claim any peptide can diagnose, treat, cure, or prevent any disease. Always consult a licensed healthcare provider before beginning any wellness protocol.
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Colistin (Polymyxin E) vs Rezafungin (Rezzayo)
An educational, source-based comparison of Colistin (Polymyxin E) and Rezafungin (Rezzayo) — how each peptide works, what it's researched for, and what to know before going deeper.
Last-resort lipopeptide antibiotic for multidrug-resistant Gram-negatives.
Cationic cyclic lipopeptide that disrupts the outer membrane of Gram-negative bacteria by binding lipid A of LPS, causing membrane permeability and cell death.
- Carbapenem-resistant Acinetobacter, Klebsiella, Pseudomonas
- • FDA-approved.
- • Nephrotoxicity and neurotoxicity dose-limiting.
Once-weekly echinocandin for candidemia and invasive candidiasis.
Next-generation echinocandin structurally related to anidulafungin with enhanced stability, inhibiting β-(1,3)-D-glucan synthase; long half-life permits once-weekly IV dosing.
- Candidemia
- Invasive candidiasis
- • FDA-approved (2023).
- • Infusion reactions and photosensitivity reported.
Colistin (Polymyxin E) vs Rezafungin (Rezzayo) — Key differences
- Class: Colistin (Polymyxin E) is classified as Polymyxin · Infectious Disease, while Rezafungin (Rezzayo) is Echinocandin · Antifungal.
- Primary research focus: Colistin (Polymyxin E) — carbapenem-resistant acinetobacter, klebsiella, pseudomonas; Rezafungin (Rezzayo) — candidemia.
- Tag: FDA-Approved · Antibiotic vs FDA-Approved · Antifungal.