Overview
AOD-9604 is classified as a gh fragment peptide. Fat loss without GH side effects.
Mimics GH fat-burning domain. Stimulates lipolysis and inhibits lipogenesis by acting on beta-3 adrenergic receptors in fat tissue, without binding to the GH receptor.
Also known as: Advanced Obesity Drug 9604
Category
GH Fragment
Half-Life
1h
Route
SubQ
FDA Status
Not Approved
How Does AOD-9604 Work?
Mimics GH fat-burning domain. Stimulates lipolysis and inhibits lipogenesis by acting on beta-3 adrenergic receptors in fat tissue, without binding to the GH receptor.
At the molecular level, AOD-9604 operates through pathways characteristic of the GH Fragment class, interacting with target receptors and downstream signaling cascades to produce its observed effects.
Published Research
The following studies are indexed from PubMed and peer-reviewed journals:
[1]AOD-9604 lipolysis stimulation in preclinical models
Ng et al. demonstrate AOD-9604 stimulates lipolysis and inhibits lipogenesis in adipose tissue without affecting IGF-1 or glucose tolerance.
Evidence: preclinical[2]AOD-9604 clinical safety six randomized controlled trials
Heffernan et al.: Pooled analysis of 6 RCTs showing AOD-9604 is well-tolerated with a safety profile similar to placebo despite limited efficacy signals.
Evidence: moderate[3]AOD-9604 Phase IIb trial short-term fat reduction
12-week Phase IIb trial: 1mg/day AOD-9604 produced 2.6 kg weight loss vs 0.8 kg placebo, with reductions in abdominal fat and improved lipid profiles.
Evidence: moderate[4]Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance.
A 2026 review found that many unapproved peptides demonstrate favorable tissue repair and metabolic outcomes in animal models, though rigorous human safety data remain scarce. The study investigated the pharmacological mechanisms and regulatory status of various sports medicine peptides.
Evidence: emerging[5]Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions.
Therapeutic peptides such as BPC-157 and TB-500 were found to modulate key molecular pathways influencing tissue regeneration and inflammation resolution in a 2026 review. The study demonstrated that while preclinical mechanistic data is promising for orthopaedic applications, clinical trials remain lacking.
Evidence: emerging[6]A novel inhibitor of pyruvate dehydrogenase kinase stimulates myocardial carbohydrate oxidation in diet-induced obesity.
A 2018 study in diet-induced obese mice demonstrated that PS10, a novel pyruvate dehydrogenase kinase inhibitor, stimulated myocardial carbohydrate oxidation and improved glucose tolerance. Researchers found that PS10 achieved these effects without increasing lactate production, unlike the classic inhibitor dichloroacetate.
Evidence: preclinical[7]Simplifying and expanding the screening for peptides <2 kDa by direct urine injection, liquid chromatography, and ion mobility mass spectrometry.
A 2016 study demonstrated a highly sensitive screening method for detecting prohibited peptides under 2 kDa, such as GHRPs and TB-500, directly from urine. The liquid chromatography and mass spectrometry assay successfully identified peptide administration in human elimination samples, improving anti-doping control measures.
Evidence: moderate[8]Effect of Intra-articular Injection of AOD9604 with or without Hyaluronic Acid in Rabbit Osteoarthritis Model.
In a 2015 study, researchers found that intra-articular injections of AOD9604 enhanced cartilage regeneration in a rabbit model of osteoarthritis. Furthermore, the study demonstrated that combining AOD9604 with hyaluronic acid was more effective at reducing cartilage degeneration than either treatment alone.
Evidence: preclinical[9]Human sports drug testing by mass spectrometry.
A 2017 review demonstrated that mass spectrometry has become an indispensable tool in modern sports drug testing. The paper detailed its critical role in detecting diverse substances, including peptidic drugs, anabolic agents, and nucleotide-derived therapeutics.
Evidence: emerging[10]Detecting peptidic drugs, drug candidates and analogs in sports doping: current status and future directions.
A 2014 review found that advanced mass spectrometric and immunological methods can successfully detect the misuse of various peptidic drugs, including TB-500 and CJC-1295, in sports doping. However, researchers noted a gap remains between technical capabilities and routine analytical practice.
Evidence: emerging[11]Detection and in vitro metabolism of AOD9604.
A 2015 in vitro study demonstrated a validated extraction method for detecting AOD9604 in urine and identified six potential metabolites. Researchers found that one specific metabolite is significantly more stable than the parent compound, potentially increasing the detection window.
Evidence: preclinical[12]Analytical approaches for the detection of emerging therapeutics and non-approved drugs in human doping controls.
A 2014 review detailed analytical strategies, including chromatographic-mass spectrometric methods, for detecting emerging performance-enhancing peptides like TB-500 and AOD-9604 in human doping controls. The study highlighted the specific physicochemical requirements for identifying these non-approved drugs in blood and urine.
Evidence: emerging[13]Obesity drugs in clinical development.
A 2006 review highlighted that several anti-obesity drugs were in clinical development, including the human growth hormone fragment AOD-9604, which was investigated for its ability to increase adipose tissue breakdown. The study outlined various emerging therapies targeting satiety, fat absorption, and metabolism.
Evidence: emerging[14]Gateways to clinical trials.
A 2005 bibliography documented recent clinical trial data for numerous pharmacological agents, including the peptide AOD-9604, serving as a reference guide for ongoing drug discovery and development.
Evidence: emerging[15]AOD-9604 Metabolic.
AOD-9604 was actively being developed and investigated for the potential treatment of obesity, according to a 2004 review. The report demonstrated that phase IIa clinical trials were already underway to evaluate the peptide's metabolic effects.
Evidence: emerging[16]Gateways to clinical trials.
A 2003 bibliography documented ongoing clinical trial data for numerous pharmacological compounds, including AOD-9604 and exenatide, utilizing the Prous Science Integrity database. The publication provided a comprehensive reference guide for recent drug discovery and development efforts across various therapeutic categories.
Evidence: emerging[17]Gateways to clinical trials.
A 2003 bibliography demonstrated the breadth of ongoing pharmaceutical research by indexing recent clinical trial data for numerous drugs and peptides, including AOD-9604 and epithalon. The publication served as a comprehensive guide to contemporary drug discovery and development.
Evidence: emerging[18]The effects of human GH and its lipolytic fragment (AOD9604) on lipid metabolism following chronic treatment in obese mice and beta(3)-AR knock-out mice.
A 2001 study in obese mice demonstrated that AOD9604 and human growth hormone reduced body weight and fat while increasing beta-3 adrenergic receptor expression. Researchers found that although these compounds enhance lipolytic sensitivity, their direct lipolytic actions are not solely mediated through this receptor.
Evidence: preclinicalSafety Profile
Research-only. Received GRAS status from FDA as food supplement ingredient. Banned by WADA. Phase 3 trial discontinued due to insufficient efficacy.
| Side Effect | Incidence | Severity |
|---|---|---|
| Injection site reaction | ~5% of users | mild |
| Mild nausea | ~3% of users | mild |
Sourcing AOD-9604 for Research
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Full Research Profile
AOD-9604 — dosing, interactions, timelines & more
Comprehensive compound profile with sourcing information, stacking synergies, and outcome timelines.