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MK-677 with Tesamorelin

Mechanism-tag overlap and published literature for MK-677 and Tesamorelin, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.

Mechanism overlap

Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.

MK-677 TESAMORELIN 1 UNIQUE TAGS 2 UNIQUE TAGS 0 SHARED
MK-677 unique oral-ghrelin-receptor-agonist
Shared none
Tesamorelin unique fda-approved-ghrh-analogvisceral-adiposity

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying MK-677 and Tesamorelin have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

Stabilized GHRH analog with better-documented visceral-fat effect. Combined with MK-677 for body-composition protocols, but doubles up GH elevation and the associated IGF-1/insulin concerns.

Quick facts

MK-677

RouteOral (not a peptide)
Half-life~4–6 hr (oral)
FDA statusNot approved; WADA banned
WADANot listed
Full MK-677 profile →

Tesamorelin

RouteSubQ once daily
Half-life~26 min (SC)
FDA statusApproved (2010)
WADANot listed
Full Tesamorelin profile →

Literature table

Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.

Year Compound Source Finding
2011MK-677Adunsky A, Chandler J, Heyden N, Lutkiewicz J, Scott BB, Berd Y, Liu N, Papanicolaou DA. MK-0677 (ibutamoren mesylate) for the treatment of patients recovering from hip fracture: A multicenter, randomized, placebo-controlled phase IIb study. Arch Gerontol Geriatr. 2011;53(2):183… PMID 20855119human trial
2008MK-677Nass R, Pezzoli SS, Oliveri MC, Patrie JT, Harrell FE Jr, Clasey JL, Heymsfield SB, Bach MA, Vance ML, Thorner MO. Effects of an oral ghrelin mimetic on body composition and clinical outcomes in healthy older adults: a randomized trial. Ann Intern Med. 2008;149(9):601-611. PMID:… PMID 18981485human trial
2005MK-677Khojasteh-Bakht SC, Jones HM, Hirota T, Chen J, Lin DC, Harms AC, Vicini P, Cutler DL, Lalovic B. Pharmacokinetics of ibutamoren mesylate (MK-677) in healthy subjects. Br J Clin Pharmacol. 2005;59(5):595-602.human study
2004MK-677Bach MA, Rockwood K, Zetterberg C, Thamsborg G, Hébert R, Devogelaer JP, Christiansen JS, Aspray TJ, Boonen S, Dalsky G, Dietz F, Dressler DE, Lang T, Papanicolaou DA. The effects of MK-0677, an oral growth hormone secretagogue, in patients with hip fracture. J Am Geriatr Soc. 2…human study
1999MK-677Murphy MG, Bach MA, Plotkin D, Bolognese J, Thompson J, Lichtlen P, Sullivan P, Walton H, Ying S, Daifotis AG. Oral administration of the growth hormone secretagogue MK-677 increases markers of bone turnover in healthy and functionally impaired elderly adults. J Bone Miner Res.…human study
1998MK-677Svensson J, Lönn L, Jansson JO, Murphy G, Wyss D, Krupa D, Cerchio K, Polvino W, Gertz B, Boseaus I, Sjöström L, Bengtsson BA. Two-month treatment of obese subjects with the oral growth hormone (GH) secretagogue MK-677 increases GH secretion, fat-free mass, and energy expenditur… PMID 9661080human study
1996MK-677Chapman IM, Bach MA, Van Cauter E, Farmer M, Krupa D, Taylor AM, Schilling LM, Cole KY, Skiles EH, Pezzoli SS, Hartman ML, Veldhuis JD, Gormley GJ, Thorner MO. Stimulation of the growth hormone (GH)-insulin-like growth factor I axis by daily oral administration of a GH secretogo… PMID 8954023human study
2025MK-677WADA. 2025 Prohibited List. Section S2 — Peptide hormones, growth factors, related substances and mimetics. World Anti-Doping Agency.regulatory / registry
2025MK-677FDA. Bulk Drug Substances That Raise Significant Safety Risks (Category 2). Pharmacy Compounding Advisory Committee. Updated 2025.regulatory / registry
2020MK-677Shiimura Y, Horita S, Hamamoto A, Asada H, Hirata K, Tanaka M, Mori K, Uemura T, Kobayashi T, Iwata S, Kojima M. Structure of an antagonist-bound ghrelin receptor reveals possible ghrelin recognition mode. Nat Commun. 2020;11(1):4160. PMID: 32814772. PMID 32814772research article
2018MK-677Sigalos JT, Pastuszak AW. The Safety and Efficacy of Growth Hormone Secretagogues. Sex Med Rev. 2018;6(1):45-53. PMID: 28870384. PMID 28870384research article
2001MK-677Murphy MG, Weiss S, McClung M, Schnitzer T, Cerchio K, Connor J, Krupa D, Gertz BJ. Effect of alendronate and MK-677 (a growth hormone secretagogue), individually and in combination, on markers of bone turnover and bone mineral density in postmenopausal osteoporotic women. J Cli… PMID 11238495research article
2010TesamorelinFalutz J, Mamputu JC, Potvin D, Moyle G, Soulban G, Loughrey H, et al. Effects of tesamorelin (TH9507), a growth hormone-releasing factor analog, in human immunodeficiency virus-infected patients with excess abdominal fat: a pooled analysis of two multicenter, double-blind place… PMID 20101189human trial, Phase 3
TesamorelinClinicalTrials.gov. NCT00123253, NCT00435136 (Phase 3 registration); NCT01263717 (JAMA liver fat); NCT02196831 (Lancet HIV NAFLD); NCT00675506 (Arch Neurol cognition).human trial, Phase 3
2019TesamorelinStanley TL, Fourman LT, Feldpausch MN, Purdy J, Zheng I, Pan CS, et al. Effects of tesamorelin on non-alcoholic fatty liver disease in HIV: a randomised, double-blind, multicentre trial. Lancet HIV. 2019;6(12):e821-e830. PMID: 31611038. PMID 31611038human trial
2014TesamorelinStanley TL, Feldpausch MN, Oh J, Branch KL, Lee H, Torriani M, Grinspoon SK. Effect of tesamorelin on visceral fat and liver fat in HIV-infected patients with abdominal fat accumulation: a randomized clinical trial. JAMA. 2014;312(4):380-389. PMID: 25038357. PMID 25038357human trial
2005TesamorelinFalutz J, Allas S, Kotler D, Thompson M, Koutkia P, Albu J, et al. A placebo-controlled, dose-ranging study of a growth hormone releasing factor in HIV-infected patients with abdominal fat accumulation. AIDS. 2005;19(12):1279-1287. PMID: 16052083. PMID 16052083human trial
2004TesamorelinKoutkia P, Canavan B, Breu J, Torriani M, Kissko J, Grinspoon S. Growth hormone-releasing hormone in HIV-infected men with lipodystrophy: a randomized, controlled trial. JAMA. 2004;292(2):210-218. PMID: 15249570. PMID 15249570human trial
2012TesamorelinBaker LD, Barsness SM, Borson S, Merriam GR, Friedman SD, Craft S, Vitiello MV. Effects of growth hormone-releasing hormone on cognitive function in adults with mild cognitive impairment and healthy older adults: results of a controlled trial. Arch Neurol. 2012;69(11):1420-1429.… PMID 22869065human study
2011TesamorelinStanley TL, Falutz J, Mamputu JC, Soulban G, Potvin D, Grinspoon SK. Effects of tesamorelin on inflammatory markers in HIV patients with excess abdominal fat: relationship with visceral adipose reduction. Clin Infect Dis. 2011;53(11):1150-1158. PMID: 22016502. PMID 22016502human study
2008TesamorelinFalutz J, Allas S, Mamputu JC, Potvin D, Kotler D, Somero M, et al. Long-term safety and effects of tesamorelin, a growth hormone-releasing factor analogue, in HIV patients with abdominal fat accumulation. AIDS. 2008;22(14):1719-1728. PMID: 18690162. PMID 18690162human study
2007TesamorelinFalutz J, Allas S, Blot K, Potvin D, Kotler D, Somero M, et al. Metabolic effects of a growth hormone-releasing factor in patients with HIV. N Engl J Med. 2007;357(23):2359-2370. PMID: 18057338. PMID 18057338human study
2011TesamorelinDhillon S. Tesamorelin: a review of its use in the management of HIV-associated lipodystrophy. Drugs. 2011;71(8):1071-1091. PMID: 21668043. PMID 21668043review
2026TesamorelinWorld Anti-Doping Agency. The 2026 Prohibited List. Section S2 — Peptide Hormones, Growth Factors, Related Substances and Mimetics. wada-ama.org.regulatory / registry

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More research context

Frequently asked

Have MK-677 and Tesamorelin been studied together?

Researchers have published mechanistic-level co-administration discussion of MK-677 and Tesamorelin. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.

What mechanisms do MK-677 and Tesamorelin share?

MK-677 and Tesamorelin do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.

What is the FDA status of MK-677 and Tesamorelin?

MK-677: Not approved; WADA banned. Tesamorelin: Approved (2010). FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.

Where can I find the full research on MK-677 and Tesamorelin?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the MK-677 profile and the Tesamorelin profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026