{"id":466,"date":"2026-08-28T06:56:05","date_gmt":"2026-08-28T06:56:05","guid":{"rendered":"https:\/\/nhdbio.com\/ibutamoren-mk-677-two-year-older-adult-trial-data\/"},"modified":"2026-08-28T07:31:46","modified_gmt":"2026-08-28T07:31:46","slug":"donnees-issues-dun-essai-clinique-mene-sur-des-adultes-ages-de-deux-ans-plus-que-ceux-de-letude-sur-libutamoren-mk-677","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/fr\/ibutamoren-mk-677-two-year-older-adult-trial-data\/","title":{"rendered":"Ibutamoren (MK-677) chez les personnes \u00e2g\u00e9es\u00a0: donn\u00e9es sur la composition corporelle sur deux ans et gain fonctionnel manquant"},"content":{"rendered":"<p class=\"pim-standfirst wp-block-paragraph\">Un essai de deux ans men\u00e9 aupr\u00e8s d'adultes \u00e2g\u00e9s en bonne sant\u00e9 65 est souvent cit\u00e9 pour le changement de masse maigre. Le m\u00eame article ne rapportait \u00e9galement aucune am\u00e9lioration de la force ou de la fonction, une augmentation du poids corporel, une glyc\u00e9mie \u00e0 jeun plus \u00e9lev\u00e9e et une sensibilit\u00e9 r\u00e9duite \u00e0 l\u2019insuline.<\/p><div class=\"wp-block-group pim-key-takeaways\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Ce que montre le dossier<\/h2><ul class=\"wp-block-list\"><li>La masse maigre a augment\u00e9 de 1.1 kg avec MK-677 et a diminu\u00e9 de 0.5 kg avec le placebo.<\/li><li>Le changement ne s\u2019est pas traduit par une am\u00e9lioration de la force ou de la fonction physique.<\/li><li>La glyc\u00e9mie \u00e0 jeun a augment\u00e9 de 0.3 mmol\/L et la sensibilit\u00e9 \u00e0 l'insuline a diminu\u00e9.<\/li><\/ul><\/div><\/div><figure class=\"wp-block-image size-full pim-article-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"http:\/\/nhdbio.com\/wp-content\/uploads\/2026\/08\/gh-secretagogue-research-20260828.png\" alt=\"Un scientifique examine les donn\u00e9es de recherche sur l\u2019hormone de croissance pulsatile et IGF-1\" class=\"wp-image-459\" srcset=\"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/08\/gh-secretagogue-research-20260828.png 1536w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/08\/gh-secretagogue-research-20260828-300x200.png 300w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/08\/gh-secretagogue-research-20260828-1024x683.png 1024w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/08\/gh-secretagogue-research-20260828-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">Illustration \u00e9ditoriale originale du contexte de recherche. Il ne s'agit pas d'une figure d'\u00e9tude, d'une image de patient, d'une photographie du produit fourni ou d'une repr\u00e9sentation du mat\u00e9riel d'essai.<\/figcaption><\/figure><h2 class=\"wp-block-heading\">Dossier d'\u00e9tudes<\/h2><p class=\"wp-block-paragraph\">L\u2019essai montre pourquoi un crit\u00e8re de substitution ou de composition ne peut pas remplacer un r\u00e9sultat pertinent pour le patient. L'augmentation de GH et de IGF-1 et la modification de la masse maigre n'ont pas am\u00e9lior\u00e9 les r\u00e9sultats fonctionnels mesur\u00e9s.<\/p><div class=\"wp-block-group pim-evidence-table\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><div class=\"pim-evidence-row\"><strong>Participants<\/strong><span>65 Adultes en bonne sant\u00e9 \u00e2g\u00e9s de 60 \u00e0 81 ans<\/span><\/div><div class=\"pim-evidence-row\"><strong>Dur\u00e9e<\/strong><span>Jusqu'\u00e0 24 mois<\/span><\/div><div class=\"pim-evidence-row\"><strong>Masse sans gras<\/strong><span>+1.1 kg contre \u22120.5 kg<\/span><\/div><div class=\"pim-evidence-row\"><strong>Poids corporel<\/strong><span>+2.7 kg contre +0.8 kg<\/span><\/div><div class=\"pim-evidence-row\"><strong>Fonction<\/strong><span>Aucune am\u00e9lioration de la force ou de la fonction physique<\/span><\/div><\/div><\/div><h2 class=\"wp-block-heading\">R\u00e9sultats en contexte<\/h2><p class=\"wp-block-paragraph\">Les auteurs ont \u00e9galement signal\u00e9 une augmentation de l\u2019app\u00e9tit, un l\u00e9ger \u0153d\u00e8me transitoire des membres inf\u00e9rieurs et des douleurs musculaires parmi les effets ind\u00e9sirables fr\u00e9quents. Les r\u00e9sultats en mati\u00e8re de glucose \u00e9voluent dans une direction d\u00e9favorable et m\u00e9ritent une importance \u00e9gale \u00e0 c\u00f4t\u00e9 du r\u00e9sultat de masse maigre.<\/p><p class=\"wp-block-paragraph\">Une \u00e9tude distincte de phase IIb sur les fractures de la hanche a recrut\u00e9 des patients plus \u00e2g\u00e9s 123 et s'est termin\u00e9e t\u00f4t apr\u00e8s un signal de s\u00e9curit\u00e9 d'insuffisance cardiaque congestive. Ses r\u00e9sultats fonctionnels mitig\u00e9s ne r\u00e9parent pas ce signal de risque.<\/p><h2 class=\"wp-block-heading\">Ce \u00e0 quoi cette \u00e9tude ne peut pas r\u00e9pondre<\/h2><p class=\"wp-block-paragraph\">La population \u00e9tudi\u00e9e \u00e9tait compos\u00e9e d\u2019adultes \u00e2g\u00e9s en bonne sant\u00e9, et non d\u2019athl\u00e8tes ou de personnes recherchant une recomposition corporelle.<\/p><p class=\"wp-block-paragraph\">Les donn\u00e9es proviennent d'un produit et d'un protocole exp\u00e9rimentaux d\u00e9finis, et non d'un mat\u00e9riel commercial non v\u00e9rifi\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Un essai de deux ans men\u00e9 aupr\u00e8s d'adultes \u00e2g\u00e9s en bonne sant\u00e9 65 est souvent cit\u00e9 pour le changement de masse maigre. Le m\u00eame article ne rapportait \u00e9galement aucune am\u00e9lioration de la force ou de la fonction, une augmentation du poids corporel, une glyc\u00e9mie \u00e0 jeun plus \u00e9lev\u00e9e et une sensibilit\u00e9 r\u00e9duite \u00e0 l\u2019insuline.<\/p>","protected":false},"author":1,"featured_media":631,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"351","pim_article_type":"Published study case","pim_evidence_level":"Randomized human trial; biochemical and body-composition endpoints","pim_reviewer":"NHD evidence editorial workflow","pim_reviewed_date":"2026-08-28","pim_editorial_note":"Source-checked on 2026-08-28. Null findings and study limitations are retained. This is not independent peer review, medical advice, a customer case, or validation of a catalog lot.","pim_review_status":"reviewed","pim_review_reason":"At least two linked primary or authoritative records and an explicit evidence boundary are present.","pim_creation_method":"The editorial workflow starts with linked peer-reviewed papers, trial registries or regulatory records; extracts the population or model, endpoints, numerical results and limitations; and separates the studied intervention from catalog material. AI-assisted drafting was used to structure the first version. Claims, figures, evidence labels and limitations were checked against the linked records in the site editorial workflow. This is not independent peer review.","pim_sources":"[{\"title\":\"MK-677 in healthy older adults: two-year randomized trial\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18981485\/\",\"note\":\"Body composition, function and glucose findings; PMID 18981485.\"},{\"title\":\"MK-0677 phase IIb hip-fracture study\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21067829\/\",\"note\":\"Early termination after CHF signal; PMID 21067829.\"},{\"title\":\"FDA Pharmacy Compounding Advisory Committee meeting materials\",\"url\":\"https:\/\/www.fda.gov\/advisory-committees\/advisory-committee-calendar\/october-29-2024-meeting-pharmacy-compounding-advisory-committee-10292024\",\"note\":\"FDA assessment materials for ibutamoren and ipamorelin.\"}]","footnotes":""},"categories":[19],"tags":[],"class_list":["post-466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-published-study-cases"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Ibutamoren in Older Adults: Two-Year Trial Results<\/title>\n<meta name=\"description\" content=\"A two-year trial in 65 healthy older adults is often quoted for lean-mass change. 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