Rezafungin

Echinocandin (cyclic Lipopeptide Antifungal)Rx: PrescriptionCompound: Approved

Also known as: CD101, Rezafungin, rezafungin acetate, Rezzayo

Educational Only — Not medical advice. Consult a qualified clinician before using any peptide.

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Summary

Rezafungin (CD101) is a semisynthetic, long‑acting echinocandin administered intravenously once weekly for the treatment of candidemia and invasive candidiasis in adults.

Mechanism of Action

Inhibits fungal β‑1,3‑D‑glucan synthase, leading to impaired cell‑wall synthesis and fungal cell death

Routes of Administration

Intravenous

Goals & Uses

  • Activity against echinocandin-resistant CandidaResistant Organism CoverageLow
  • Invasive candidiasis treatmentAntifungalHigh
  • Treatment of invasive candidiasisAntifungalHigh
  • Candidemia treatmentInfectious DiseaseHigh
  • Prophylaxis in neutropenic patientsPreventionModerate
  • Treatment of candidemiaAntifungal TherapyHigh
  • Antifungal prophylaxis in hematopoietic stem cell transplant recipientsProphylaxisModerate

Contraindications

  • Severe hepatic impairment (Child‑Pugh C)Liver DiseaseModerate
  • PregnancyPopulationHighPotential fetal risk or insufficient safety data
  • Known hypersensitivity to rezafungin or other echinocandinsAllergyHigh

Adverse Effects

  • HypokalemiaElectrolyteCommon
  • AnemiaHematologicCommonLow red blood cell count or hemoglobin
  • Elevated liver enzymes (ALT/AST)HepaticUncommon
  • NauseaGastrointestinalCommonFeeling of sickness or urge to vomit
  • VomitingGastrointestinalCommonForceful expulsion of stomach contents
  • Elevated liver enzymes (ALT, AST)HepaticUncommon
  • Infusion‑related reactions (e.g., flushing, rash)GeneralCommon
  • Infusion-related reactionsHypersensitivityUncommon

Drug Interactions

  • CyclosporineLow
  • Strong CYP3A4 inducers (e.g., rifampin)Moderate
  • TacrolimusLow
  • Azoles (e.g., fluconazole)Low

Population Constraints

  • Pediatric patients (<18 years)AgeAbsolute
  • Pediatric patientsAgeRelative
  • Breastfeeding womenReproductiveRelative
  • Pregnant or breastfeeding womenReproductiveRelative
  • Pregnant womenReproductiveRelative
  • Severe hepatic impairmentOrgan ImpairmentRelative

Regulatory Status

  • European UnionInvestigationalEMA review ongoing; clinical trials completed.
  • United StatesApprovedApproved: candidemia, invasive candidiasisFDA approval 2023; once‑weekly IV dosing.
  • United KingdomUnknownPost-Brexit regulatory status not confirmed at time of knowledge cutoff

Approved by the FDA (2023) for invasive candidiasis and candidemia; under review in the EU.

Evidence & Sources

No sources recorded yet.

Frequently Asked Questions

What is Rezafungin?

Rezafungin (CD101) is a semisynthetic, long‑acting echinocandin administered intravenously once weekly for the treatment of candidemia and invasive candidiasis in adults.

What is Rezafungin used for?

Rezafungin is educationally associated with: Activity against echinocandin-resistant Candida, Invasive candidiasis treatment, Treatment of invasive candidiasis, Candidemia treatment, Prophylaxis in neutropenic patients, Treatment of candidemia, Antifungal prophylaxis in hematopoietic stem cell transplant recipients. Educational only — not medical advice.

How is Rezafungin administered?

Recorded routes of administration: Intravenous.

What are the potential side effects of Rezafungin?

Reported adverse effects include: Hypokalemia, Anemia, Elevated liver enzymes (ALT/AST), Nausea, Vomiting, Elevated liver enzymes (ALT, AST), Infusion‑related reactions (e.g., flushing, rash), Infusion-related reactions. This list is not exhaustive — consult a qualified clinician.

Who should avoid Rezafungin?

Recorded contraindications: Severe hepatic impairment (Child‑Pugh C), Pregnancy, Known hypersensitivity to rezafungin or other echinocandins. Consult a qualified clinician before use.

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