Everything below concerns anti-doping. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Last reviewed on 2025-08-25. Where a claim depends on a specific study, the study is described rather than over-claimed.
In the scientific literature, AOD-9604 appears in reviews of growth hormone fragments and in discussions of peptide-based metabolic research. Some sources distinguish it from growth hormone itself, while others group it with compounds marketed for weight management. The evidence base is small compared with approved obesity medications. Questions about long-term efficacy and clinical relevance remain open, and independent replication of key findings is limited. Most published reports are early-stage and exploratory.
AOD-9604 is a synthetic peptide modeled on the C-terminal region of human growth hormone. It is often described as hGH fragment 176-191. Research interest arose because it was designed to isolate possible effects on fat metabolism from other actions of growth hormone. It is not a full growth hormone molecule. Its development history includes early laboratory and animal studies followed by human trials. The peptide has been examined in laboratory, animal, and limited human studies.
Regulatory bodies have taken different approaches to AOD-9604. It is not approved as a prescription medicine by major agencies such as the U.S. Food and Drug Administration or the European Medicines Agency. In sport, the World Anti-Doping Agency prohibits peptide hormones, growth factors, and related substances, and AOD-9604 has been treated as a prohibited substance. These regulatory decisions reflect concerns about safety, efficacy, and potential misuse rather than proof of benefit.
Research on AOD-9604 also examines how the peptide is measured in biological samples. Analytical methods may include liquid chromatography coupled with mass spectrometry, immunoassays, or both. Detection can be challenging because the peptide is small and may be present at low concentrations. Published methods vary in sensitivity and specificity, so comparative interpretation requires attention to validation details. The presence of related hGH fragments can complicate identification in some matrices.
AOD-9604 has been investigated mainly in the context of body fat and metabolic endpoints. Some early animal and small human studies reported changes in fat mass or lipid markers, but findings were not uniform. Larger, well-controlled trials that would establish efficacy are lacking in the public literature. As a result, claims about weight loss or metabolic benefit remain investigational rather than established. The distinction between a research finding and a proven clinical outcome is central to discussing this peptide.
| Property | Value | Notes |
|---|---|---|
| Common synonym | hGH fragment 176-191 | Refers to the C-terminal segment |
| Appearance | White to off-white powder | Typically supplied lyophilized |
| Solubility | Soluble in water and aqueous buffers | Confirm with technical data |
| Typical storage temperature | -20 °C for dry powder | Protect from moisture and light |
| Common analytical method | RP-HPLC with UV detection | Often paired with mass spectrometry |
=== Discussed health risks === Like other foods, the consumption of edible insects could present health risks stemming from biological, toxicological, and allergenic hazards. Biological hazards include bacteria, viruses, protozoa, fungi and mycotoxins; toxological risks are poisons, pesticides, heavy metals and antinutrients; allergenic hazards relate to arginine kinase, tropomyosin and α-Amylase. Additionally, recent studies have indicated that proteins from yellow mealworm (Tenebrio molitor) may act as allergens, potentially triggering immunoglobulin E (IgE)-mediated allergic reactions and cross-reactivity, especially in individuals already sensitized to crustaceans or other arthropods. Chitin, a component of insect exoskeletons and other body parts, induces cytokine production in the digestive systems of humans and other mammals. Enzymes break the chitin down into smaller fragments, which trigger an immune response that results in inflammatory and allergic reactions. The human immune response to chitin is thought to be related to the abundance of dust mites as a cause of airway inflammatory disease and parasites as a cause of numerous diseases. In general, insects harvested from the wild pose a greater risk than farmed insects, and insects consumed raw pose a greater risk than insects that are cooked before consumption. Feed substrate and growing conditions are the main factors influencing the microbiological and chemical hazards of farmed insects.
== Future potential applications == In the future, radioligand therapy may expand to include more α-emitter based treatments. Currently, β radioligand therapies are more commonly used in oncology. Clinical trials of α-emitters are underway due to their higher potency and ability to induce double-strand DNA breaks. There are multiple Actinium-225 based PSMA studies that will be launched in 2024. If these prove successful, there is potential for further studies and clinical trials to be done using α-emitters. There is potential for the future use of radioligand therapy in patients with malignant brain tumors. There have been recent developments in diagnostic tracers using radioligands, and with radioligand-based imaging techniques and in the field of theranostics.
=== Duterte Day === On March 28, 2023, the Davao City Council passed a resolution declaring every March 28—Duterte's birthday—as "Duterte Day" in recognition for the "great and continuing contribution" of Duterte to the city and the Philippines.
== Financials == For the fiscal year ended 31 March 2026, Glenmark reported consolidated revenue of ₹169,825 million, up 27.5 percent from the previous year, and net profit of ₹13,620 million, up 30.1 percent. EBITDA was ₹45,724 million, a margin of 26.9 percent. North American revenue increased 136.6 percent for the full year, partly reflecting proceeds from the AbbVie licensing agreement. European sales rose 21.4 percent in the final quarter, and emerging markets increased 13.7 percent.
Sources: en.wikipedia.org
On 8 February 2022, Aníbal Torres was appointed as Prime Minister of Peru. Torres had previously served as the Minister of Justice. The appointment of President Pedro Castillo's fourth cabinet came in the context of an attempt to resolve a political crisis.
=== Discovery of PI-3-kinase and PtdIns(3,4)P2 === In a series of studies spanning several years, Cantley and colleagues demonstrated that a kinase activity associated with the middle T oncoprotein is a phosphoinositide kinase, that it is a novel type of phosphoinositide kinase that phosphorylates the 3' position on the inositol ring, and that this phosphatidylinositol-3-kinase (PI-3-kinase) is activated by growth factors to produce novel 3'-phosphorylated phosphoinositides, in particularly PtdIns(3,4,5)P3 that had previously been identified in physiologically stimulated human neutrophils. In subsequent years Cantley and colleagues identified critical aspects of the regulation of PI-3-kinase by growth factor receptors. Specifically, they discovered that the catalytic subunit p110 dimerizes with the regulatory subunit p85, and that the SH2 domain of p85 specifically recognized phosphotyrosines on growth factor receptors or adaptor proteins via the pY-X-X-M motif. The Cantley lab has also made seminal contributions to understanding signaling downstream of PI-3-kinase. They discovered that the Pleckstrin Homology domain of AKT binds to PtdIns(3,4,5)P3 (and PtdIns(3,4)P2) and that this binding is critical for activation of AKT catalytic activity. They further demonstrated that tuberin/TSC2 is a critical substrate of AKT, and together with the laboratory of John Blenis they discovered that AKT phosphorylation of tuberin/TSC2 is required for activation of mTOR TORC1 kinase activity via regulation of the small GTPase rheb.
These data confirm that the enthalpy changes are approximately equal for the two reactions and that the main reason for the greater stability of the chelate complex is the entropy term, which is much less unfavorable. In general it is difficult to account precisely for thermodynamic values in terms of changes in solution at the molecular level, but it is clear that the chelate effect is predominantly an effect of entropy. Other explanations, including that of Schwarzenbach, are discussed in Greenwood and Earnshaw (loc.cit).
Sources: en.wikipedia.org
In the 1850s, "cholera and dysentery regularly ripped through communities, its victims often dying from debilitating diarrhoea", and dropsy, consumption, ague and rheumatism were all too common. An 1869 article in Scientific American describes a farmer growing and harvesting poppy in Indian Springs, Georgia, and subsequently selling the raw material to a local pharmacist who prepared laudanum.
== Laboratory use == In laboratories, spatulas and microspatulas are small stainless steel utensils, used for scraping, transferring, or applying powders and paste-like chemicals or treatments. Many spatula brands are also resistant to acids, bases, heat, and solvents, which make them ideal for use with a wide range of compounds. A common type would be stainless steel spatulas, which are widely used because they are sturdy and affordable. They are resistant to deterioration from contact with boiling water, acids, bases, and most solvents. Some of them come with a polyvinyl chloride plastic handle or riveted hardwood for better handling. Polystyrene spatulas are made for researchers because they are disposable, preventing any potential contaminations which occurs often with reusable spatulas. They are also ideal for handling lyophilized products or performing lyophilization.
== Scar free healing in nature == Unlike the limited regeneration seen in adult humans, many animal groups possess an ability to completely regenerate damaged tissue. Full limb regeneration is seen both in invertebrates (e.g. starfish and flatworms which can regenerate fully functioning appendages) and some vertebrates, however in the latter this is almost always confined to the immature members of the species: an example being tadpoles which can regrow their tails and various other body parts, an ability not seen in the mature frogs. The exception to this is the much studied urodele species' of amphibians, also known as salamanders, which carry their ability of complete regeneration into adulthood. These vertebrates possess an exceptional ability to allow regeneration of entire limbs and their tails (as well as a multitude of their internal organs as well, including their spinal cord) through a process known as blastema formation. This involves covering of the wound by a layer of epithelial cells known as the wound cap and subsequent innervation of this area with nerves that give off signals that revert local differentiated cells (such as muscle, cartilage and connective tissue) back to their undifferentiated cell lineage also known as mesenchymal cells. It is this area that is known as the blastema which has the potential to differentiate and proliferate once again allowing regrowth of the limb similar to how it occurs during development.
Sources: en.wikipedia.org
It is a synthetic peptide fragment derived from the C-terminal region of human growth hormone, commonly referred to as hGH fragment 176-191. It has been investigated for effects on fat metabolism, but it is not an approved medication in most jurisdictions.
No. It is a shortened peptide fragment, not the full hormone. It does not contain the entire hGH sequence and is studied for different proposed effects.
Regulatory approvals for weight loss are not established in major jurisdictions. Some human trials reported modest changes, but the evidence is limited, and it remains a research compound.
No. It is not approved as a therapeutic drug by major regulators. It is sold for research purposes in many settings, which is not the same as clinical approval.