Everything below concerns Carcinogenicity. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2025-12-13. Numbers and descriptions here follow the published literature rather than marketing material.
Analytical laboratories typically identify cardarine and its metabolites using liquid chromatography-tandem mass spectrometry. Urine is a common matrix in anti-doping testing, while blood and tissue may be used in research settings. Detection windows depend on the assay, the sample matrix, and the compound's metabolism. Because cardarine is extensively metabolized, laboratories often target specific metabolites to improve sensitivity and confirmation. Reference standards are required for reliable quantification. Method validation includes checks for selectivity, linearity, and carryover.
A persistent misconception is that cardarine is a fat-burning drug or a safe alternative to anabolic steroids. No approved therapeutic product exists, and human safety data are limited. The tumor findings in rodents remain a central concern in scientific reviews. Products sold online may contain inaccurate labels, impurities, or different compounds entirely, which complicates any assessment of effects. Independent testing of such products has reported frequent mislabeling. For these reasons, discussions in the literature emphasize risks and unknowns rather than benefits.
Cardarine is a common name for GW501516, also GW-1516, a synthetic compound developed as a peroxisome proliferator-activated receptor delta (PPARδ) agonist. It belongs to a class of agents that modulate gene transcription related to lipid and energy metabolism. The compound was studied in preclinical and early clinical research for metabolic and cardiovascular conditions, but it did not progress to approved therapeutic use. Its name appears in fitness and sports contexts despite not being approved as a drug.
PPARδ is a nuclear receptor that influences transcription of genes involved in fatty acid oxidation, lipid transport, and energy homeostasis. GW501516 binds and activates this receptor with high selectivity relative to PPARα and PPARγ in laboratory assays. Activation alters expression of target genes in skeletal muscle, liver, and adipose tissue in animal models. The exact clinical consequences of these changes in humans remain incompletely characterized, and observed effects in animals do not establish therapeutic benefit or safety.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved for human therapeutic use | No marketing authorization identified in major jurisdictions. |
| Anti-doping class | PPARδ agonist; hormone and metabolic modulators | Listed on the WADA Prohibited List. |
| Common test matrix | Urine | Also blood and tissue in research settings. |
| Typical analytical method | LC-MS/MS | Targets parent compound and metabolites. |
| Major safety signal | Tumor findings in rodents | Human relevance not established; limited human data. |
Early clinical research explored GW501516 for lipid disorders, obesity, and diabetes. Some short-term human studies reported changes in HDL cholesterol, LDL cholesterol, and triglycerides. The development program was discontinued after rodent studies showed dose-dependent tumor formation in multiple tissues, including liver, bladder, stomach, and skin. These findings raised concerns about long-term cancer risk in humans. Because human exposure data are limited, the clinical significance of the rodent tumors remains uncertain.
Literature on cardarine often separates receptor pharmacology from toxicology. Mechanistic papers describe PPARδ activation and gene expression changes, while safety assessments focus on carcinogenicity and species differences. Questions remain about whether rodent tumors arise through PPARδ-dependent or off-target mechanisms. Another open area is how human metabolism and exposure compare with those in animal studies. Analytical methods such as liquid chromatography–mass spectrometry are used to confirm identity in biological and product samples.
GW501516 acts as an agonist at the peroxisome proliferator-activated receptor delta, a nuclear receptor that regulates gene expression. Activation shifts transcription toward genes involved in fatty acid uptake, oxidation, and energy expenditure. The compound does not bind the androgen receptor and therefore differs from anabolic steroids and SARMs. In rodent models, this metabolic shift has been linked to increased running endurance and reduced fat accumulation. The exact downstream pathways in humans remain incompletely characterized.
GW501516 acts as a ligand for PPAR delta, a nuclear receptor that regulates transcription of genes involved in fatty acid oxidation and energy use. Activation of this receptor in skeletal muscle shifts metabolism toward fat burning in animal models. The compound does not burn fat directly; it changes gene expression over hours to days. Researchers study it to understand metabolic flexibility and exercise adaptation. Effects observed in rodents are not automatically expected in humans.
Preclinical research reported that GW501516 increased running endurance in mice and improved lipid profiles in some animal species. Early human trials explored effects on high-density lipoprotein cholesterol, triglycerides, and glucose handling, but the program was discontinued. Published human data are sparse and do not establish efficacy for any condition. Studies also examined PPAR delta in cancer biology, with conflicting findings across models. The relationship between receptor activation, tissue context, and disease risk remains an active area of investigation.
Anti-doping laboratories identify GW501516 and its metabolites using liquid chromatography-tandem mass spectrometry. Urine is the usual matrix, and detection can occur after the parent compound has cleared from blood. The exact detection window depends on dose, formulation, individual metabolism, and assay sensitivity. Because the compound is prohibited at all times, athletes are subject to testing in and out of competition. Analytical methods continue to improve as new metabolites and designer analogs are characterized.
Regulatory treatment of cardarine differs by context and jurisdiction. In competitive sport, the World Anti-Doping Agency lists PPARδ agonists, including GW501516, as prohibited at all times. Outside sport, it lacks approval as a prescription medicine in major drug markets, and products sold for human consumption may be treated as unapproved drugs. Some countries also restrict importation or sale through general consumer protection and medicines laws. These classifications affect availability, testing, and legal risk without establishing therapeutic value.
Because cardarine is not an approved medicine, no pharmacopeial monograph defines its identity, purity, or storage requirements. Laboratories typically rely on in-house methods and reference standards when testing materials labeled as GW501516. Certificates of analysis may report purity and identity for a specific batch, but their scope varies and they do not guarantee safety or legal status. Independent verification can include high-performance liquid chromatography, mass spectrometry, nuclear magnetic resonance, and elemental analysis. The distinction between research chemical labeling and human use is significant because quality standards and oversight differ.
Cardarine can be detected in biological samples and product materials using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The method separates compounds by chromatography and identifies them by mass-to-charge transitions, allowing low-level detection in urine or blood. Sample preparation often involves enzymatic hydrolysis, solid-phase extraction, or protein precipitation. Certified reference materials and isotope-labeled internal standards improve quantification. Detection windows depend on metabolism, matrix, and assay sensitivity, so no single universal window applies.
Upon rewarming, the kidney was transplanted successfully into a rabbit, with complete functionality and viability, able to sustain the rabbit indefinitely as the sole functioning kidney. In 2000, FM-2030 became the first person to be successfully vitrified posthumously.
In the late 20th century, ayahuasca use expanded beyond South America to Europe, North America, and elsewhere, leading to legal cases, non-religious adaptations, and the development of ayahuasca analogues (i.e., variants) using local or synthetic ingredients. While DMT is internationally classified as a controlled substance, the plants containing it—including those used to make ayahuasca—are not regulated under international law, leading to varied national policies that range from permitting religious use to imposing bans or decriminalization. The United States patent office controversially granted, challenged, revoked, reinstated, and ultimately allowed to expire a patent on the ayahuasca vine, sparking disputes over intellectual property rights and the cultural and religious significance of traditional Indigenous knowledge. Ayahuasca produces intense psychological and spiritual experiences. Ayahuasca's psychoactive effects primarily result from DMT, rendered orally active by harmala alkaloids in B. caapi, which act as reversible inhibitors of monamine oxidase; B. caapi and its β-carbolines also exhibit independent contributions to ayahuasca's effects, acting on serotonin and benzodiazepine receptors. Higher doses of ayahuasca or harmala alkaloids may increase risks.
Moreover, the amyloid β-protein deposit and nerve cell apoptosis were retarded. An observed inhibitory impact of oxytocin on the inflammatory activity of the microglia was proposed to be an important factor.
Sources: en.wikipedia.org
A writer for Business Insider called it one of the best performances of DiCaprio's career, and Ian Sandwell of Digital Spy particularly liked the duo's chemistry, believing their scenes together to be some of the film's strongest parts. DiCaprio received nominations for an Oscar, a Golden Globe, a BAFTA Award and a Screen Actors Guild Award for Best Actor. The film earned $374 million against a budget of $90 million. In 2020, DiCaprio served as an executive producer for The Right Stuff, a television series adaption of the 1973 namesake book. After being in development at National Geographic, it was released on Disney+. That May, DiCaprio briefly featured in the finale of the miniseries The Last Dance. In 2021, DiCaprio appeared in Adam McKay's satirical comedy Don't Look Up. He spent five months changing the film's script with McKay before agreeing to the part. Starring alongside Jennifer Lawrence as two astronomers attempting to warn humanity about an extinction-level comet, DiCaprio saw this film as an analogy of the world's indifference to the climate crisis. As a frequent supporter of environmentalism, DiCaprio said he has often looked to star in and make films tackling issues related to it, something he found hard due to people's inability to listen. He praised McKay for envisioning a project on how humans would react to a serious issue from a political, social and scientific standpoint. While reviews for the film were mixed, most critics praised DiCaprio's and Lawrence's performances; journalists from Digital Spy and NDTV lauded their pairing.
=== Comorbid conditions === In one case, a patient was diagnosed with both Morvan's syndrome and pulmonary hyalinizing granulomas (PHG). PHG are rare fibrosing lesions of the lung, which have central whorled deposits of lamellar collagen. How these two diseases relate to one another is still unclear. Thymoma, prostate adenoma, and in situ carcinoma of the sigmoid colon have also been found in patients with Morvan's Syndrome.
== Medical uses == Vortioxetine is used as a treatment for major depressive disorder, with its effectiveness shown to be similar to other antidepressants and its effect size has been described as modest. Vortioxetine may be used when other treatments have failed. A 2017 Cochrane review on vortioxetine determined that its place in the treatment of severe depression is unclear due to low-quality evidence and that more studies comparing vortioxetine to selective serotonin reuptake inhibitors (SSRIs), the typical first-line treatments, are needed. Vortioxetine appears to work in depressed patients with anxiety. Vortioxetine is also used off label for anxiety. A 2016 review found it was not useful in generalized anxiety disorder at 2.5, 5.0, and 10 mg doses (15 and 20 mg doses were not tested). A 2019 meta-analysis found that vortioxetine did not produce statistically significant results over placebo in the symptoms, quality of life, and remission rates of generalized anxiety disorder, but it was well-tolerated. However, a 2018 meta-analysis supported use and efficacy of vortioxetine for generalized anxiety disorder, though stated that more research was necessary to strengthen the evidence. A 2021 systematic review and meta-analysis concluded that there was uncertainty about the effectiveness of vortioxetine for anxiety due to existing evidence being of very low-quality.
== Medical uses == Abatacept is used to treat adults with moderate to severe rheumatoid arthritis (RA) as a second-line agent, and as a first-line agent for people whose RA is severe and rapidly progressing. It also used to treat psoriatic arthritis and juvenile idiopathic arthritis.
Sources: en.wikipedia.org
can be interpreted as the cumulative number of diagnoses (including individuals who have recovered) or the present number of infection cases; the logarithmic growth rate is the same for either definition. In order to estimate
Hansgerd Delbrück, scholar of German literature (Victoria University of Wellington) (born 1941). 22 January – Bill Boyd, Rotarian, president of Rotary International (2006–2007) (born 1933). 24 January – Ann McKenna, field hockey player (national team) and cricketer (Canterbury, national team) (born 1943). 25 January – Pakaitore Turia, rugby union player (Wellington, Horowhenua-Kapiti) (born 1995). 29 January – Ian Wood, civil engineer (University of Canterbury), Fellow of the Royal Society of New Zealand (since 1990) (born 1930). 30 January – John Pettit, undersea diver (wreck of the Elingamite), nurseryman, and politician, Auckland Regional Councillor (1986–1992) (born 1930). 31 January – Peter Penlington, lawyer and judge, King's Counsel (since 1978), High Court judge (1990–2000) (born 1932).
Chromatography can be used to separate protein in solution or denaturing conditions by using porous gels. This technique is a more discriminating separation and is known as size exclusion chromatography. The principle is that smaller molecules have to traverse a larger volume in a porous matrix. Consequentially, proteins of a certain range in size will require a variable volume of eluent (solvent) before being collected at the other end of the column of gel. Larger molecules (or proteins) will travel through less volume and elute prior to smaller molecules. In the context of protein purification, the eluent is usually pooled in different test tubes. All test tubes containing no measurable trace of the protein to purify are discarded. The remaining solution is thus made of the protein to purify and any other similarly-sized proteins.
Sources: en.wikipedia.org
No. Cardarine has not received approval for human therapeutic use in major jurisdictions. It remains an investigational compound.
It is classified as a PPARδ agonist on the WADA Prohibited List. Anti-doping laboratories can detect it and its metabolites in urine. Its use is banned in competition and usually out of competition.
Rodent studies reported increased tumor incidence at multiple sites. The human relevance remains uncertain, but the findings contributed to discontinuation of development. No long-term human cancer data are available.
Cardarine is commonly known as GW501516 or GW-1516. These names refer to the same synthetic compound. It is not a brand-name approved medicine.