Plitidepsin vs ALRN-6924
Head-to-head comparison of Plitidepsin (Dehydrodidemnin B (Plitidepsin)) and ALRN-6924 (ALRN-6924 dual MDM2/MDMX stapled p53 mimetic peptide) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Plitidepsin | ALRN-6924 |
|---|---|---|
| Category | Experimental | Experimental |
| Full Name | Dehydrodidemnin B (Plitidepsin) | ALRN-6924 dual MDM2/MDMX stapled p53 mimetic peptide |
| Molecular Weight | 1110.3 Da | N/A |
| Half-Life | Approximately 44 hours | Hours to days depending on formulation |
| Amino Acids | N/A | N/A |
| Typical Dose | 1.5 mg/m2 IV | Varies by clinical protocol |
| Route | Intravenous | Intravenous/Subcutaneous |
| Purity | ≥98% | ≥98% |
| Studies Count | 240 | 40 |
| Research Status | Clinical | Clinical |
Plitidepsin Benefits
- ✓antineoplastic
- ✓antiviral
- ✓pro-apoptotic
- ✓anti-inflammatory
ALRN-6924 Benefits
- ✓p53 reactivation
- ✓dual MDM2/MDMX inhibition
- ✓protease resistance
- ✓tumor cell apoptosis
Plitidepsin Dosing
1.5 mg/m2 IV infusion in oncology trials|q21d or similar intermittent schedules|dose escalation and combination protocols in studies
ALRN-6924 Dosing
Clinical trial protocol dosing|Intermittent administration|Research-only escalation
Plitidepsin Side Effects
- ⚠nausea
- ⚠fatigue
- ⚠transaminase elevation
ALRN-6924 Side Effects
- ⚠nausea
- ⚠fatigue
- ⚠myelosuppression
Research Overview
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.
ALRN-6924
ALRN-6924 is one of the best-known stapled peptide therapeutics and has advanced into human oncology studies. Literature shows that hydrocarbon stapling can improve target affinity, serum stability, and cellular activity for this p53-mimetic scaffold.
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