'''Кардарин''' - (cинонимы: Сardarine, Эндуробол, Peroximod, Hennos, лабораторный шифр GW-501516, GW1516) - агонист рецепторов PPARδ<ref>Pelton P (April 2006). "GW501516 GlaxoSmithKline/Ligand". Curr Opin Investig Drugs 7 (4): 360–70.</ref>, разрабатываемый Ligand Pharmaceuticals и GlaxoSmithKline в 1990-х годах для лечения метаболических и сердечно-сосудистых заболеваний. Развитие было приостановлено, когда в 2007 году исследования выявили канцерогенные эффекты соединенияна крысах.<ref>Sahebkar A, Chew GT, Watts GF (2014). "New peroxisome proliferator-activated receptor agonists: potential treatments for atherogenic dyslipidemia and non-alcoholic fatty liver disease". Expert Opin Pharmacother 15 (4): 493–503. doi:10.1517/14656566.2014.876992. PMID 24428677. "Despite these promising early results, the further investigation and development of GW501516 was discontinued after observations in animal studies of its association with the rapid induction of cancers in several organs (liver, stomach, tongue, skin, bladder, ovaries, womb and testes"</ref><ref>Geiger LE, Dunsford WS, Lewis DJ, Brennan C, Liu KC, Newsholme SJ (2009). PS 895 - Rat carcinogenicity study with GW501516, a PPAR delta agonist (PDF). 48th Annual Meeting of the Society of Toxicology. Baltimore: Society of Toxicology. p. 105. Archived from the original (PDF) on 2015-05-04.</ref><ref>Newsholme SJ, Dunsford WS, Brodie T, Brennan C, Brown M, Geiger LE (2009). PS 896 - Mouse carcinogenicity study with GW501516, a PPAR delta agonist. (PDF). 48th Annual Meeting of the Society of Toxicology. Baltimore: Society of Toxicology. p. 105. Archived from the original (PDF) on 2015-05-04.</ref>, тем не менее не оказывает влияние на развитие раковых клеток человека<ref>http://www.cmtc.psu.edu/peters_group/publications/17.pdf Holly E.Hollingshead, Renee L.Killins1, Michael G.Borland, Elizabeth E.Girroir, Andrew N.Billin, Timothy M.Willson, Arun K.Sharma, Shantu Amin, Frank J.Gonzalez and Jeffrey M.Peters "Peroxisome proliferator-activated receptor-beta/delta (PPARb/d) ligands do not potentiate growth of human cancer cell lines" Carcinogenesis vol.28 no.12 pp.2641–2649, 2007 doi:10.1093/carcin/bgm183 Advance Access publication August 11, 2007</ref>