Mambalgin-1 vs Plitidepsin

Head-to-head comparison of Mambalgin-1 (Mambalgin-1 from Dendroaspis polylepis venom) and Plitidepsin (Dehydrodidemnin B (Plitidepsin)) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyMambalgin-1Plitidepsin
CategoryExperimentalExperimental
Full NameMambalgin-1 from Dendroaspis polylepis venomDehydrodidemnin B (Plitidepsin)
Molecular Weight6,300 Da1110.3 Da
Half-LifeMinutes to hoursApproximately 44 hours
Amino Acids57N/A
Typical Dose0.1-1 nmol intrathecal|10-100 nM in vitro|single-dose rodent studies1.5 mg/m2 IV
RouteIntrathecalIntravenous
Purity≥98%≥98%
Studies Count55240
Research StatusPre-clinicalClinical

Mambalgin-1 Benefits

  • ASIC channel inhibition
  • non-opioid analgesia research
  • sensory-neuron physiology
  • lead optimization for pain therapeutics

Plitidepsin Benefits

  • antineoplastic
  • antiviral
  • pro-apoptotic
  • anti-inflammatory

Mambalgin-1 Dosing

Intrathecal pain-behavior studies|ASIC1a/ASIC1b electrophysiology|Acute dosing in rodents

Plitidepsin Dosing

1.5 mg/m2 IV infusion in oncology trials|q21d or similar intermittent schedules|dose escalation and combination protocols in studies

Mambalgin-1 Side Effects

  • Hypoactivity at high dose
  • off-target ASIC blockade
  • local irritation

Plitidepsin Side Effects

  • nausea
  • fatigue
  • transaminase elevation

Research Overview

Mambalgin-1

Pre-clinical work shows mambalgin-1 can reduce pain behaviors by modulating proton-gated ion channels in peripheral and central pathways. It has become an important template for developing ASIC-targeted analgesics.

Plitidepsin

Plitidepsin has been studied for its ability to disrupt eEF1A-dependent pathways, induce oxidative stress, and suppress tumor cell growth. It has reached clinical oncology development and was also evaluated as a candidate against SARS-CoV-2 in the literature.

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Common Stacking Partners

Mambalgin-1 stacks with:

gabapentinbaclofenlidocaine

Plitidepsin stacks with:

dexamethasonebortezomibgemcitabine
snake-venomthree-finger-toxinasic-blockerpain-researchmarine-derivedtunicatedepsipeptideanticancer