{"id":166,"date":"2026-06-07T15:05:28","date_gmt":"2026-06-07T13:05:28","guid":{"rendered":"https:\/\/wordpress-vsbv.srv1703136.hstgr.cloud\/product\/retatrutide\/"},"modified":"2026-09-03T15:06:35","modified_gmt":"2026-09-03T13:06:35","slug":"retatrutide","status":"publish","type":"product","link":"https:\/\/wordpress-vsbv.srv1703136.hstgr.cloud\/fr\/product\/retatrutide\/","title":{"rendered":"Retatrutide"},"content":{"rendered":"<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Qu\u2019est-ce que le r\u00e9tatrutide&nbsp;?<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le r\u00e9tatrutide (LY3437943) est un peptide de recherche innovant repr\u00e9sentant une nouvelle g\u00e9n\u00e9ration de compos\u00e9s incr\u00e9tiniques. Il s\u2019agit du premier triple agoniste des r\u00e9cepteurs hormonaux de sa classe, qui active simultan\u00e9ment trois voies m\u00e9taboliques cl\u00e9s&nbsp;: le r\u00e9cepteur GIP (peptide insulinotrope d\u00e9pendant du glucose), le r\u00e9cepteur GLP-1 (peptide de type glucagon 1) et le r\u00e9cepteur du glucagon.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Ce peptide synth\u00e9tique se compose de 39 acides amin\u00e9s et a \u00e9t\u00e9 con\u00e7u sur la base du squelette du peptide GIP. Gr\u00e2ce \u00e0 sa conjugaison avec un groupement d\u2019acide gras C20, le r\u00e9tatrutide se caract\u00e9rise par une demi-vie prolong\u00e9e d\u2019environ 6 jours, ce qui fait l\u2019objet de recherches intensives sur l\u2019optimisation de la pharmacocin\u00e9tique des peptides m\u00e9taboliques.<\/p>\n<h3><\/h3>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">M\u00e9canisme d\u2019action<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le r\u00e9tatrutide se distingue par un profil pharmacologique unique combinant trois m\u00e9canismes d\u2019action&nbsp;:<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Activation du r\u00e9cepteur GLP-1<\/strong> \u2013 un m\u00e9canisme connu par l\u2019action du s\u00e9maglutide (Ozempic, Wegovy), associ\u00e9 \u00e0 la r\u00e9gulation de la s\u00e9cr\u00e9tion d\u2019insuline d\u00e9pendante du glucose ainsi qu\u2019\u00e0 la modulation des centres de sati\u00e9t\u00e9 dans le syst\u00e8me nerveux central.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Activation du r\u00e9cepteur GIP<\/strong> \u2013 le r\u00e9tatrutide pr\u00e9sente son activit\u00e9 la plus forte pr\u00e9cis\u00e9ment vis-\u00e0-vis de ce r\u00e9cepteur, ce qui le diff\u00e9rencie des autres peptides de cette classe, y compris le tirz\u00e9patide (Mounjaro). Le GIP agit conjointement avec le GLP-1 dans la r\u00e9gulation du m\u00e9tabolisme du glucose et des lipides.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Activation du r\u00e9cepteur du glucagon<\/strong> \u2013 le troisi\u00e8me composant unique du m\u00e9canisme. Le foie, riche en r\u00e9cepteurs du glucagon, constitue une cible directe de l\u2019action, ce qui fait l\u2019objet d\u2019\u00e9tudes sur le m\u00e9tabolisme lipidique h\u00e9patique et la d\u00e9pense \u00e9nerg\u00e9tique.<\/p>\n<h3><\/h3>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Axes de recherche scientifique<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le r\u00e9tatrutide fait actuellement l\u2019objet d\u2019\u00e9tudes cliniques intensives men\u00e9es par Eli Lilly. Les principaux domaines de recherche comprennent&nbsp;:<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes sur le poids corporel et la composition corporelle<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Dans les \u00e9tudes de phase II publi\u00e9es, des changements significatifs du poids corporel des participants ont \u00e9t\u00e9 observ\u00e9s. Les \u00e9tudes de composition corporelle (par DXA) analysent les proportions de r\u00e9duction du tissu adipeux par rapport \u00e0 la masse maigre, ce qui constitue un param\u00e8tre important dans l\u2019\u00e9valuation de la qualit\u00e9 des changements m\u00e9taboliques.<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes sur le m\u00e9tabolisme du glucose<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Des \u00e9tudes sont men\u00e9es afin d\u2019\u00e9valuer l\u2019effet du r\u00e9tatrutide sur les param\u00e8tres glyc\u00e9miques, notamment le taux d\u2019HbA1c, la glyc\u00e9mie \u00e0 jeun et la s\u00e9cr\u00e9tion d\u2019insuline. Les \u00e9tudes comparatives avec le dulaglutide fournissent des donn\u00e9es sur l\u2019efficacit\u00e9 relative de diff\u00e9rentes classes d\u2019agonistes incr\u00e9tiniques.<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes sur le foie (MASLD\/MASH)<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">L\u2019effet du r\u00e9tatrutide sur la teneur en graisse du foie suscite un int\u00e9r\u00eat particulier. Dans une sous-\u00e9tude de phase IIa utilisant l\u2019imagerie par r\u00e9sonance magn\u00e9tique, les changements de la st\u00e9atose h\u00e9patique ont \u00e9t\u00e9 analys\u00e9s. L\u2019activation du r\u00e9cepteur du glucagon, dont le foie est le principal site d\u2019expression, constitue un aspect unique du m\u00e9canisme d\u2019action \u00e9tudi\u00e9 dans le contexte des maladies m\u00e9taboliques du foie.<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes cardiom\u00e9taboliques<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le programme de recherche comprend l\u2019\u00e9valuation de l\u2019effet sur le profil lipidique (cholest\u00e9rol total, LDL, triglyc\u00e9rides), la pression art\u00e9rielle et le tour de taille. L\u2019\u00e9tude en cours TRIUMPH-OUTCOMES \u00e9value les effets cardiovasculaires \u00e0 long terme.<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes n\u00e9phrologiques<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Des analyses post hoc d\u2019\u00e9tudes de phase II ont montr\u00e9 des changements du rapport albumine\/cr\u00e9atinine urinaire (UACR) ainsi que du d\u00e9bit de filtration glom\u00e9rulaire estim\u00e9 (eGFR). L\u2019\u00e9tude d\u00e9di\u00e9e TRANSCEND-CKD analyse les m\u00e9canismes d\u2019action du r\u00e9tatrutide chez les personnes atteintes de maladie r\u00e9nale chronique.<\/p>\n<p class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u00c9tudes sur les complications de l\u2019ob\u00e9sit\u00e9<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le programme TRIUMPH comprend des protocoles de recherche concernant l\u2019apn\u00e9e obstructive du sommeil (mesure de l\u2019indice AHI) ainsi que l\u2019arthrose du genou (\u00e9chelle WOMAC).<\/p>\n<h3><\/h3>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Contexte scientifique<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Le r\u00e9tatrutide s\u2019inscrit dans le domaine en plein d\u00e9veloppement des peptides incr\u00e9tiniques. Il repr\u00e9sente une \u00e9volution par rapport aux agonistes GLP-1 simples (tels que le s\u00e9maglutide utilis\u00e9 dans les pr\u00e9parations Ozempic et Wegovy) et aux doubles agonistes GIP\/GLP-1 (tirz\u00e9patide, connu sous les noms Mounjaro et Zepbound). L\u2019ajout d\u2019un troisi\u00e8me composant \u2013 l\u2019agonisme du r\u00e9cepteur du glucagon \u2013 ouvre de nouvelles possibilit\u00e9s de recherche dans le domaine du m\u00e9tabolisme \u00e9nerg\u00e9tique et h\u00e9patique.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Les \u00e9tudes pr\u00e9cliniques sur des mod\u00e8les animaux ont d\u00e9montr\u00e9 la capacit\u00e9 du r\u00e9tatrutide \u00e0 retarder la vidange gastrique, \u00e0 r\u00e9duire la prise alimentaire et \u00e0 moduler la d\u00e9pense \u00e9nerg\u00e9tique. Ces observations constituent la base de nouvelles recherches translationnelles.<\/p>\n<h3><\/h3>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Profil de s\u00e9curit\u00e9 dans les \u00e9tudes<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Dans les \u00e9tudes cliniques publi\u00e9es, les \u00e9v\u00e9nements ind\u00e9sirables les plus fr\u00e9quemment rapport\u00e9s \u00e9taient de nature gastro-intestinale (naus\u00e9es, vomissements, diarrh\u00e9e, constipation) et \u00e9taient comparables au profil d\u2019autres agonistes incr\u00e9tiniques. La fr\u00e9quence des \u00e9v\u00e9nements \u00e9tait d\u00e9pendante de la dose et la plus \u00e9lev\u00e9e pendant la p\u00e9riode d\u2019escalade posologique.<\/p>\n<h3><\/h3>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\">Bibliographie \u2013 derni\u00e8res \u00e9tudes scientifiques<\/h3>\n<ol class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-decimal flex flex-col gap-1 pl-8 mb-3\">\n<li class=\"whitespace-normal break-words pl-2\"><strong>Jastreboff AM, Kaplan LM, Fr\u00edas JP, et al.<\/strong> Triple\u2013Hormone-Receptor Agonist Retatrutide for Obesity \u2014 A Phase 2 Trial. <em>N Engl J Med.<\/em> 2023;389:514-526. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37366315\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Rosenstock J, Frias J, Jastreboff AM, et al.<\/strong> Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial. <em>Lancet.<\/em> 2023;402(10401):529-544. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37385280\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Sanyal AJ, Kaplan LM, Frias JP, et al.<\/strong> Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease: a randomized phase 2a trial. <em>Nat Med.<\/em> 2024;30(7):2037-2048. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38858523\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Coskun T, Wu Q, Schloot NC, et al.<\/strong> Effects of retatrutide on body composition in people with type 2 diabetes: a substudy of a phase 2, double-blind, parallel-group, placebo-controlled, randomised trial. <em>Lancet Diabetes Endocrinol.<\/em> 2025;13(8):674-684. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40609566\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Heerspink HJL, Lu Z, Du Y, et al.<\/strong> The Effect of Retatrutide on Kidney Parameters in Participants With Type 2 Diabetes Mellitus and\/or Obesity. <em>Kidney Int Rep.<\/em> 2025;10(6):1980-1992. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40630318\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Giblin K, Kaplan LM, Somers VK, et al.<\/strong> Retatrutide for the treatment of obesity, obstructive sleep apnea and knee osteoarthritis: Rationale and design of the TRIUMPH registrational clinical trials. <em>Diabetes Obes Metab.<\/em> 2026;28(1):83-93. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41090431\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Heerspink HJL, van Raalte DH, Bjornstad P, et al.<\/strong> Rationale, design and baseline characteristics of the TRANSCEND-CKD trial of retatrutide in patients with chronic kidney disease. <em>Nephrol Dial Transplant.<\/em> 2025;gfaf230. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/academic.oup.com\/ndt\/advance-article\/doi\/10.1093\/ndt\/gfaf230\/8305911\">Oxford Academic<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Misra S, Narayan RK, Kaur M.<\/strong> Efficacy and safety of retatrutide for the treatment of obesity: a systematic review of clinical trials. <em>J Basic Clin Physiol Pharmacol.<\/em> 2025;36(4):263-274. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40728138\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Fathy WM, et al.<\/strong> Efficacy and safety of retatrutide, a novel GLP-1, GIP, and glucagon receptor agonist for obesity treatment: a systematic review and meta-analysis of randomized controlled trials. <em>Proc (Bayl Univ Med Cent).<\/em> 2025;38(2):205-212. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40291085\/\">PubMed<\/a><\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Cuevas-Ramos D, Mehta R.<\/strong> Triple Agonism Based Therapies for Obesity. <em>Curr Diab Rep.<\/em> 2025;25(1):47. <a class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12304053\/\">PMC<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Triple agonist of GIP\/GLP-1\/Glucagon receptors | 39 amino 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