Didemnin B vs Dolastatin 10

Head-to-head comparison of Didemnin B (Didemnin B) and Dolastatin 10 (Dolastatin 10) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyDidemnin BDolastatin 10
CategoryExperimentalExperimental
Full NameDidemnin BDolastatin 10
Molecular Weight1112.4 Da771.0 Da
Half-LifeN/AN/A
Amino AcidsN/A5
Typical Dose0.05-2 mg/m2 IV in early trialsN/A in humans; subnanomolar to low-nanomolar in vitro
RouteIntravenousIntravenous
Purity≥98%≥98%
Studies Count120300
Research StatusClinicalPre-clinical

Didemnin B Benefits

  • antineoplastic
  • antiviral
  • pro-apoptotic
  • immunomodulatory

Dolastatin 10 Benefits

  • antineoplastic
  • microtubule disruption
  • antimitotic
  • ADC payload scaffold

Didemnin B Dosing

historic IV phase I/II oncology regimens|dose escalation in early trials|no approved dosing regimen

Dolastatin 10 Dosing

research-grade in vitro nanomolar use|early IV oncology exploration|no approved dosing regimen

Didemnin B Side Effects

  • nausea
  • vomiting
  • myelosuppression

Dolastatin 10 Side Effects

  • peripheral neuropathy
  • neutropenia
  • fatigue

Research Overview

Didemnin B

Didemnin B showed strong cytotoxic and antiviral activity in early literature and became an important scaffold for later marine drug development. Its clinical progress was limited by toxicity, but it remains highly cited as a foundational marine depsipeptide.

Dolastatin 10

Dolastatin 10 became famous for extreme cytotoxic potency and its ability to block tubulin polymerization. Although the native compound itself did not become a standard therapy, it inspired a major class of clinically important auristatin-based payloads.

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Common Stacking Partners

Didemnin B stacks with:

cisplatindoxorubicingemcitabine

Dolastatin 10 stacks with:

trastuzumabpaclitaxelvincristine
marine-derivedtunicatedepsipeptideantitumorcyanobacteriapentapeptidemicrotubule