Apratoxin A vs Kahalalide F

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

Research Score

PropertyApratoxin AKahalalide F
CategoryExperimentalExperimental
Full NameApratoxin AKahalalide F
Molecular WeightN/A1111.3 Da
Half-LifeN/AN/A
Amino AcidsN/AN/A
Typical DoseN/A in humans; nanomolar in vitro0.1-3 mg/m2 IV in early trials
RouteIntraperitoneal / Intravenous (preclinical)Intravenous
Purity≥98%≥98%
Studies Count14085
Research StatusPre-clinicalPre-clinical

Apratoxin A Benefits

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

Kahalalide F Benefits

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

Apratoxin A Dosing

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

Kahalalide F Dosing

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

Apratoxin A Side Effects

  • hepatotoxicity
  • general cytotoxicity
  • GI toxicity

Kahalalide F Side Effects

  • fatigue
  • nausea
  • transaminase elevation

Research Overview

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.

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.

Ready to buy?

Find both peptides from our verified, lab-tested vendors with purity certificates and third-party testing.

Common Stacking Partners

Apratoxin A stacks with:

gemcitabinedocetaxelEGFR inhibitors

Kahalalide F stacks with:

paclitaxelcisplatincarboplatin
marine-derivedcyanobacteriadepsipeptideSec61sea-slugoncology