Methoxy PEG-Epoetin Beta vs REGN1033
Head-to-head comparison of Methoxy PEG-Epoetin Beta (Methoxy polyethylene glycol-epoetin beta (CERA)) and REGN1033 (Trevogrumab (REGN1033)) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Methoxy PEG-Epoetin Beta | REGN1033 |
|---|---|---|
| Category | Muscle & Performance | Muscle & Performance |
| Full Name | Methoxy polyethylene glycol-epoetin beta (CERA) | Trevogrumab (REGN1033) |
| Molecular Weight | ≈60,000 Da | ~150 kDa |
| Half-Life | ~130 h | ~2-3 weeks |
| Amino Acids | 165 | N/A |
| Typical Dose | 0.6 mcg/kg SC every 2 weeks or 1.2 mcg/kg SC monthly | 100-300 mg SC or equivalent trial dosing |
| Route | Subcutaneous/IV | Subcutaneous / Intravenous |
| Purity | ≥98% | ≥98% |
| Studies Count | 95 | 60 |
| Research Status | Clinical | Clinical |
Methoxy PEG-Epoetin Beta Benefits
- ✓long-acting erythropoiesis
- ✓stable hemoglobin
- ✓fewer injections
- ✓improved oxygen delivery
REGN1033 Benefits
- ✓myostatin blockade
- ✓lean-mass preservation
- ✓muscle hypertrophy support
- ✓catabolic-state countermeasure
Methoxy PEG-Epoetin Beta Dosing
0.6 mcg/kg SC every 2 weeks|1.2 mcg/kg SC monthly|Adjust based on hemoglobin
REGN1033 Dosing
SC or IV clinical-trial dosing|repeat every 2-4 weeks|dose escalation by study
Methoxy PEG-Epoetin Beta Side Effects
- ⚠hypertension
- ⚠thromboembolism
- ⚠headache
REGN1033 Side Effects
- ⚠injection-site reactions
- ⚠headache
- ⚠fatigue
Research Overview
Methoxy PEG-Epoetin Beta
Clinical trials show predictable hemoglobin correction with a long dosing interval and sustained red-cell stimulation. Any VO2 max effect would be secondary to higher hemoglobin, not a direct ergogenic mechanism.
REGN1033
Human and animal studies indicate that myostatin neutralization can increase muscle size, though functional gains are often smaller than mass gains. Trevogrumab is part of the broader literature showing that selective myostatin inhibition can alter body composition in clinically meaningful ways.
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