Kahalalide F vs Apratoxin A

Head-to-head comparison of Kahalalide F (Kahalalide F) and Apratoxin A (Apratoxin A) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyKahalalide FApratoxin A
CategoryExperimentalExperimental
Full NameKahalalide FApratoxin A
Molecular Weight1111.3 DaN/A
Half-LifeN/AN/A
Amino AcidsN/AN/A
Typical Dose0.1-3 mg/m2 IV in early trialsN/A in humans; nanomolar in vitro
RouteIntravenousIntraperitoneal / Intravenous (preclinical)
Purity≥98%≥98%
Studies Count85140
Research StatusPre-clinicalPre-clinical

Kahalalide F Benefits

  • antineoplastic
  • pro-apoptotic
  • membrane-active
  • anti-proliferative

Apratoxin A Benefits

  • antineoplastic
  • anti-angiogenic
  • Sec61 inhibition
  • anti-proliferative

Kahalalide F Dosing

IV infusion in phase I oncology studies|dose escalation used in trials|preclinical nanomolar assays

Apratoxin A Dosing

preclinical in vitro nanomolar use|animal studies only|no human dosing established

Kahalalide F Side Effects

  • fatigue
  • nausea
  • transaminase elevation

Apratoxin A Side Effects

  • hepatotoxicity
  • general cytotoxicity
  • GI toxicity

Research Overview

Kahalalide F

Kahalalide F was investigated in multiple preclinical and early clinical cancer studies because of its unusual membrane-disrupting and anti-tumor effects. Development highlighted the promise and limits of marine depsipeptides as oncology leads.

Apratoxin A

Apratoxin A is a well-studied lead compound for targeting secretory and membrane protein biogenesis in cancer cells. Medicinal chemistry programs around apratoxins focus on improving selectivity and reducing hepatotoxicity while preserving potency.

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Common Stacking Partners

Kahalalide F stacks with:

paclitaxelcisplatincarboplatin

Apratoxin A stacks with:

gemcitabinedocetaxelEGFR inhibitors
marine-derivedsea-slugdepsipeptideoncologycyanobacteriaSec61