Kahalalide F vs Conantokin-G

Head-to-head comparison of Kahalalide F (Kahalalide F) and Conantokin-G (Conantokin-G from Conus geographus venom) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyKahalalide FConantokin-G
CategoryExperimentalExperimental
Full NameKahalalide FConantokin-G from Conus geographus venom
Molecular Weight1111.3 Da2,150 Da
Half-LifeN/AMinutes to hours
Amino AcidsN/A17
Typical Dose0.1-3 mg/m2 IV in early trials0.1-10 nmol intrathecal|10-1000 nM in vitro|single-dose rodent studies
RouteIntravenousIntrathecal
Purity≥98%≥98%
Studies Count8595
Research StatusPre-clinicalPre-clinical

Kahalalide F Benefits

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

Conantokin-G Benefits

  • NMDA receptor antagonism
  • seizure-model research
  • excitatory neurotransmission mapping
  • pain-mechanism studies

Kahalalide F Dosing

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

Conantokin-G Dosing

Intrathecal administration in seizure/pain models|NMDA receptor assays|In vitro excitation studies

Kahalalide F Side Effects

  • fatigue
  • nausea
  • transaminase elevation

Conantokin-G Side Effects

  • Sedation or dizziness in animals
  • motor effects at high exposure
  • off-target NMDA modulation

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.

Conantokin-G

Research has shown conantokin-G can suppress NMDA-mediated responses in a sequence- and modification-dependent manner. It remains a classic marine peptide tool for probing glutamatergic signaling and analgesia-related pathways.

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Common Stacking Partners

Kahalalide F stacks with:

paclitaxelcisplatincarboplatin

Conantokin-G stacks with:

ketaminememantinelamotrigine
marine-derivedsea-slugdepsipeptideoncologycone-snailvenom-peptidenmda-antagonistneuroscience