AOD9604
AOD9604 (Anti-Obesity Drug 9604) is a modified C-terminal fragment of human growth hormone (hGH 177-191 + tyrosine), orally active, lipolytic peptide that mimics without anabolic/GH sides (no IGF-1 surge). Developed by Metabolic Pharmaceuticals, Phase 2b trials showed 2–3kg loss over 12 weeks—focus on obesity, osteoarthritis.
Edge: Selective β3-adrenergic activation → fat-specific.
Mechanism
- Lipolysis: ↑HSL in adipocytes (no receptors on muscle).
- Fatty Acid Oxidation: Mitochondrial β-ox ↑.
- No Hyperglycemia: Unlike full GH.
- Cartilage: Stimulates chondrocytes (OA trials).
PK: Oral/sublingual best; half-life ~4h.
Research Evidence
| Study/Model | Outcomes |
|---|---|
| Phase 2b Obesity (544 patients) | -2.8kg vs. placebo (12w, 1mg oral daily). |
| Animal Fat Loss | 50% visceral reduction (obese mice). |
| OA Knee | Pain ↓28%, function ↑ (Phase 2, Osteoarthritis Cartilage 2013). |
| Safety | No IGF-1, glucose, or cancer signals. |
Protocols (Research)
| Goal | Dose (mg/day) | Route/Frequency | Cycle |
|---|---|---|---|
| Fat Loss | 0.3–1mg | Oral fasted AM | 12–24 weeks |
| Local Fat | 1–2mg | Sublingual | Ongoing |
| Joint/OA | 0.5–1mg | Oral daily | 8–12 weeks |
| Stack | 1mg + CJC/Ipa | GH synergy | 12 weeks |
- Oral: Tablets/caps; empty stomach.
Benefits
- Targeted Lipolysis: Visceral/abdominal focus.
- No Muscle/Anabolism: Pure fat loss.
- Joint Health: Cartilage matrix support.
- Metabolic: Lipids ↑HDL, no insulin resistance.
- Clean: No HPTA/IGF impact.
Side Effects & Safety
| Minimal Reported | Rare | Notes |
|---|---|---|
| Mild headache | None significant | Cleanest fat-loss peptide |
| GI (high oral) | None | Phase 3 safe |
Comparisons
| Peptide/Drug | Fat Loss Mechanism | Muscle Effect | Oral? |
|---|---|---|---|
| AOD9604 | Lipolytic Frag | None | Yes |
| HGH Frag 176-191 | Similar | None | Poor |
| Semaglutide | GLP-1 Appetite | Mod loss | No |
| Clenbuterol | β2 Agonist | Catabolic | Yes |
Status
- Research Chemical: Australian Phase 3 OA failed (funding); obesity orphan potential.
- UK: Oral research formulations.
- Patents: Expired generics.
Disclaimer: Research-only; body comp tracking advised.




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