ALRN-6924 vs SNX-482
Head-to-head comparison of ALRN-6924 (ALRN-6924 dual MDM2/MDMX stapled p53 mimetic peptide) and SNX-482 (SNX-482 peptide from Hysterocrates gigas venom) — benefits, dosing, side effects, research data, and where to buy.
| Property | ALRN-6924 | SNX-482 |
|---|---|---|
| Category | Experimental | Experimental |
| Full Name | ALRN-6924 dual MDM2/MDMX stapled p53 mimetic peptide | SNX-482 peptide from Hysterocrates gigas venom |
| Molecular Weight | N/A | 4,300 Da |
| Half-Life | Hours to days depending on formulation | Minutes to hours |
| Amino Acids | N/A | 41 |
| Typical Dose | Varies by clinical protocol | 0.01-1 nmol intrathecal|1-100 nM in vitro|single-dose electrophysiology studies |
| Route | Intravenous/Subcutaneous | Intrathecal |
| Purity | ≥98% | ≥98% |
| Studies Count | 40 | 85 |
| Research Status | Clinical | Pre-clinical |
ALRN-6924 Benefits
- ✓p53 reactivation
- ✓dual MDM2/MDMX inhibition
- ✓protease resistance
- ✓tumor cell apoptosis
SNX-482 Benefits
- ✓Cav2.3 blockade
- ✓synaptic transmission studies
- ✓excitability mapping
- ✓pain and epilepsy research
ALRN-6924 Dosing
Clinical trial protocol dosing|Intermittent administration|Research-only escalation
SNX-482 Dosing
Patch-clamp Cav2.3 assays|Intrathecal neurophysiology studies|Acute channel-blockade experiments
ALRN-6924 Side Effects
- ⚠nausea
- ⚠fatigue
- ⚠myelosuppression
SNX-482 Side Effects
- ⚠Ataxia at high exposure
- ⚠off-target calcium-channel block
- ⚠cardiovascular effects in animal models
Research Overview
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.
SNX-482
SNX-482 has been used to dissect R-type calcium currents in neurons and endocrine cells, and to map the role of Cav2.3 in excitability. Its selectivity profile has made it a standard research reagent in channel pharmacology.
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