Tesamorelin
FDA-approved for HIV-associated lipodystrophy. We read all 60 studies. The protocol is below.
Free — puts Tesamorelin on your decision board.
Everything you need to start: dose, sourcing, safety, our verdict.
One purchase · yours forever
Built from 60 cited studies.
- you're HIV-positive with lipodystrophy and your ID doc mentioned Egrifta
- you're a 45-60 man with **CT-confirmed visceral adipose** (fat around the organs) and you're already on TRT
- you have NAFLD/MASH and you've been tracking the visceral-fat / liver-fat data
- you want it for **subcutaneous belly fat** (the pinch-an-inch, the love handles, the bottom-of-the-stomach pooch) — tesamorelin reduces *visceral* fat around the organs, not the kind you can see in the mirror; the trial endpoint is CT-measured, not waist size
- you have active or recent malignancy
- you have severe diabetic retinopathy or active pituitary disease
- you compete in a tested sport — WADA-banned
- IGF-1 climbs above ~300 ng/mL (cancer-risk territory at the upper end).
- Significant water retention or new carpal-tunnel-style symptoms.
- New or worsening insulin resistance (fasting glucose creep).
- 12 weeks with no IGF-1 movement and no subjective change.
What it is.
Tesamorelin is a stabilized analog of GHRH — same receptor as sermorelin, but engineered with an N-terminal modification that resists enzymatic breakdown and gives a longer, cleaner GH pulse.
It was approved by the FDA in 2010 as Egrifta, by Theratechnologies, for one specific indication: HIV-associated lipodystrophy — the visceral fat accumulation that some people on long-term antiretroviral therapy develop. That's the only approved use, and the trials behind it are real.
It's prescription-only in the US. Off-label, it's used by clinicians for visceral-fat reduction in non-HIV patients and for general GH-axis tuning. versions exist through 503A pharmacies. WADA-banned in and out of competition.
Unlike most peptides on this site, tesamorelin has the unusual distinction of having directly produced brain-imaging data in humans — small trials in HIV patients with cognitive complaints showed measurable changes.
TL;DR. 30-second version.
The compressed verdict — what Tesamorelin actually is, what the human evidence shows, and the watch-for in three bullets. Locked.
Get the report · $19 ↓Mechanism.
How the molecule actually works — receptor profile, downstream signaling, what to expect mechanistically.
Get the report · $19 ↓Evidence. What we actually know in humans.
The trial breakdown — phase, n, primary endpoint, who funded, what hit, what didn't.
Get the report · $19 ↓Dose. The actual protocol.
The specific protocol — dose, titration schedule, cycle pattern, frequency, route.
Sourcing. Where the cohort actually buys.
Sourcing breakdown — vendor methodology, red flags, our published test results, COA checklist.
Safety. Side effects.
The watch-for list — contraindications, drug interactions, monitoring labs, when to stop.
Get the report · $19 ↓Editorial position.
Our editorial position — explicit yes / no / depends, with the reasoning behind it.
Get the report · $19 ↓Citations.
- 01— Tesamorelin. 2018. PMID: 31644039.
- 02Russo SC, et al. Efficacy and safety of tesamorelin in people with HIV on integrase inhibitors. AIDS (London, England). 2024;38(12):1758-1764. PMID: 38905488.
- 03Grunfeld C, et al. Tesamorelin. Nature reviews. Drug discovery. 2011;10(2):95-6. PMID: 21283099.
- 04O'Neal R. Tesamorelin update. BETA : bulletin of experimental treatments for AIDS : a publication of the San Francisco AIDS Foundation. 2010;22(4):16-9. PMID: 21591600.
- 05Dhillon S. Tesamorelin: a review of its use in the management of HIV-associated lipodystrophy. Drugs. 2011;71(8):1071-91. PMID: 21668043.
+Show all 60 citationsShow fewer citations
- 06Spooner LM, et al. Tesamorelin: a growth hormone-releasing factor analogue for HIV-associated lipodystrophy. The Annals of pharmacotherapy. 2012;46(2):240-7. PMID: 22298602.
- 07Wang Y, et al. Tesamorelin, a human growth hormone releasing factor analogue. Expert opinion on investigational drugs. 2009;18(3):303-10. PMID: 19243281.
- 08Fourman LT, et al. Effects of tesamorelin on hepatic transcriptomic signatures in HIV-associated NAFLD. JCI insight. 2020;5(16). PMID: 32701508.
- 09Lake JE, et al. Tesamorelin improves fat quality independent of changes in fat quantity. AIDS (London, England). 2021;35(9):1395-1402. PMID: 33756511.
- 10Dhillon S. Spotlight on tesamorelin in HIV-associated lipodystrophy. BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy. 2011;25(6):405-8. PMID: 22050344.
- 11Ellis RJ, et al. Effects of Tesamorelin on Neurocognitive Impairment in Persons With HIV and Abdominal Obesity. The Journal of infectious diseases. 2025;231(5):1230-1238. PMID: 39813152.
- 12Fourman LT, et al. Delineating tesamorelin response pathways in HIV-associated NAFLD using a targeted proteomic and transcriptomic approach. Scientific reports. 2021;11(1):10485. PMID: 34006921.
- 13Rahman F, et al. Effect of tesamorelin in people with HIV with and without dorsocervical fat: Post hoc analysis of phase III double-blind placebo-controlled trial. Journal of clinical and translational science. 2022;7(1):e40. PMID: 36845310.
- 14Tomlinson B. Drug evaluation: tesamorelin, a synthetic human growth hormone releasing factor. Current opinion in investigational drugs (London, England : 2000). 2006;7(10):936-45. PMID: 17086939.
- 15Rahman OF, et al. Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions. Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews. 2026;10(1). PMID: 41490200.
- 16Audsley J, et al. Tesamorelin, liver fat, and NAFLD in the setting of HIV. The lancet. HIV. 2019;6(12):e808-e809. PMID: 31611037.
- 17González-Sales M, et al. Population pharmacokinetic analysis of tesamorelin in HIV-infected patients and healthy subjects. Clinical pharmacokinetics. 2015;54(3):285-94. PMID: 25358450.
- 18Mayfield CK, et al. Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians. The American journal of sports medicine. 2026;54(1):223-229. PMID: 41476424.
- 19Stanley TL, et al. Effects of tesamorelin on non-alcoholic fatty liver disease in HIV: a randomised, double-blind, multicentre trial. The lancet. HIV. 2019;6(12):e821-e830. PMID: 31611038.
- 20Fourman LT, et al. Visceral fat reduction with tesamorelin is associated with improved liver enzymes in HIV. AIDS (London, England). 2017;31(16):2253-2259. PMID: 28832410.
- 21Falutz J, 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 placebo-controlled phase 3 trials with safety extension data. The Journal of clinical endocrinology and metabolism. 2010;95(9):4291-304. PMID: 20554713.
- 22Adrian S, et al. The Growth Hormone Releasing Hormone Analogue, Tesamorelin, Decreases Muscle Fat and Increases Muscle Area in Adults with HIV. The Journal of frailty & aging. 2019;8(3):154-159. PMID: 31237318.
- 23Stanley TL, et al. 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):380-9. PMID: 25038357.
- 24Stanley TL, et al. Effects of tesamorelin on inflammatory markers in HIV patients with excess abdominal fat: relationship with visceral adipose reduction. AIDS (London, England). 2011;25(10):1281-8. PMID: 21516030.
- 25Makimura H, et al. The effects of tesamorelin on phosphocreatine recovery in obese subjects with reduced GH. The Journal of clinical endocrinology and metabolism. 2014;99(1):338-43. PMID: 24178787.
- 26McLarnon A. Neuroendocrinology: Tesamorelin can improve cognitive function. Nature reviews. Endocrinology. 2012;8(10):568. PMID: 22926095.
- 27Badran AS, et al. Body composition, hepatic fat, metabolic, and safety outcomes of Tesamorelin, a GHRH analogue, in HIV-associated lipodystrophy: A meta-analysis of randomized controlled trials. Obesity research & clinical practice. 2026;20(1):2-12. PMID: 41545261.
- 28Stanley TL, et al. Reduction in visceral adiposity is associated with an improved metabolic profile in HIV-infected patients receiving tesamorelin. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2012;54(11):1642-51. PMID: 22495074.
- 29González-Sales M, et al. Population pharmacokinetic and pharmacodynamic analysis of tesamorelin in HIV-infected patients and healthy subjects. Journal of pharmacokinetics and pharmacodynamics. 2015;42(3):287-99. PMID: 25895899.
- 30Mangili A, et al. Predictors of Treatment Response to Tesamorelin, a Growth Hormone-Releasing Factor Analog, in HIV-Infected Patients with Excess Abdominal Fat. PloS one. 2015;10(10):e0140358. PMID: 26457580.
- 31Falutz J, et al. Effects of tesamorelin, a growth hormone-releasing factor, in HIV-infected patients with abdominal fat accumulation: a randomized placebo-controlled trial with a safety extension. Journal of acquired immune deficiency syndromes (1999). 2010;53(3):311-22. PMID: 20101189.
- 32Bedimo R. Growth hormone and tesamorelin in the management of HIV-associated lipodystrophy. HIV/AIDS (Auckland, N.Z.). 2011;3:69-79. PMID: 22096409.
- 33Teng S, et al. Impact of Tesamorelin, a Growth Hormone-Releasing Factor (GRF) Analogue, on the Pharmacokinetics of Simvastatin and Ritonavir in Healthy Volunteers. Clinical pharmacology in drug development. 2013;2(3):237-45. PMID: 27121785.
- 34Falutz J, et al. Long-term safety and effects of tesamorelin, a growth hormone-releasing factor analogue, in HIV patients with abdominal fat accumulation. AIDS (London, England). 2008;22(14):1719-28. PMID: 18690162.
- 35Patel A, et al. Tesamorelin: A hope for ART-induced lipodystrophy. Journal of pharmacy & bioallied sciences. 2011;3(2):319-20. PMID: 21687371.
- 36Clemmons DR, et al. Safety and metabolic effects of tesamorelin, a growth hormone-releasing factor analogue, in patients with type 2 diabetes: A randomized, placebo-controlled trial. PloS one. 2017;12(6):e0179538. PMID: 28617838.
- 37Memdouh S, et al. Advances in the detection of growth hormone releasing hormone synthetic analogs. Drug testing and analysis. 2021;13(11-12):1871-1887. PMID: 34665524.
- 38Mateo MG, et al. Tesamorelin for the treatment of excess abdominal fat in HIV-1-infected patients with lipodystrophy. Expert review of endocrinology & metabolism. 2011;6(1):21-30. PMID: 30764032.
- 39— Side effects and complications. Tesamorelin--results from Phase III. TreatmentUpdate. 2007;19(3):6-7. PMID: 17575575.
- 40Berger D. Tesamorelin for fat accumulation. 52-week effects and safety of tesamorelin (growth hormone releasing factor) in HIV patients with fat accumulation. Positively aware : the monthly journal of the Test Positive Aware Network. 2008;19(3):31. PMID: 18724445.
- 41Grodeck B. The next generation of human growth hormone. How Serostim and tesamorelin measure up. Positively aware : the monthly journal of the Test Positive Aware Network. 2008;19(5):28-32. PMID: 18828236.
- 42Sekhar RV. Treatment of dyslipidemia in HIV. Current atherosclerosis reports. 2015;17(4):493. PMID: 25702057.
- 43Traynor K. FDA approves tesamorelin for HIV-related lipodystrophy. American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists. 2010;67(24):2082. PMID: 21115997.
- 44Falutz J, et al. Metabolic effects of a growth hormone-releasing factor in patients with HIV. The New England journal of medicine. 2007;357(23):2359-70. PMID: 18057338.
- 45Falutz J. Tesamorelin: a novel therapeutic option for HIV/HAART-associated increased visceral adipose tissue. Drugs of today (Barcelona, Spain : 1998). 2011;47(6):419-30. PMID: 21695284.
- 46— Side effects and complications. Clinical trials of tesamorelin in Canada. TreatmentUpdate. 2007;19(3):7. PMID: 17571443.
- 47Gattu AK, et al. Metabolic dysfunction-associated steatotic liver disease in people with HIV. Current opinion in HIV and AIDS. 2025;20(4):350-358. PMID: 40397552.
- 48Fourman LT, et al. Approach to the Patient With Lipodystrophy. The Journal of clinical endocrinology and metabolism. 2022;107(6):1714-1726. PMID: 35137140.
- 49Braun LR, et al. Fibroblast growth factor 21 decreases after liver fat reduction via growth hormone augmentation. Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society. 2017;37:1-6. PMID: 29031905.
- 50Hussar DA. New drugs 2012, part 2. Nursing. 2012;42(7):38-44; quiz 44-6. PMID: 22692631.
- 51Stanley TL, et al. Effects of a growth hormone-releasing hormone analog on endogenous GH pulsatility and insulin sensitivity in healthy men. The Journal of clinical endocrinology and metabolism. 2011;96(1):150-8. PMID: 20943777.
- 52Sattler FR. Growth hormone in the aging male. Best practice & research. Clinical endocrinology & metabolism. 2013;27(4):541-55. PMID: 24054930.
- 53Vantyghem MC, et al. How to diagnose a lipodystrophy syndrome. Annales d'endocrinologie. 2012;73(3):170-89. PMID: 22748602.
- 54Corley MJ, et al. CROI 2024: Neuropsychiatric Complications in People With HIV. Topics in antiviral medicine. 2024;32(4):513-522. PMID: 39746672.
- 55Mihalache A, et al. Carpal Tunnel Syndrome Attributed to Medication Use: A Pharmacovigilance Study. Cureus. 2025;17(5):e83972. PMID: 40510111.
- 56Rochira V, et al. Growth hormone deficiency and human immunodeficiency virus. Best practice & research. Clinical endocrinology & metabolism. 2017;31(1):91-111. PMID: 28477736.
- 57Yen DW, et al. Causes and outcomes of hepatic fibrosis in persons living with HIV. Current opinion in HIV and AIDS. 2022;17(6):359-367. PMID: 36165079.
- 58Beach R, et al. Differing Presentations of Excess Visceral Abdominal Fat in People Living With HIV: Two Clinical Cases Highlighting Distinct Therapeutic Pathways With Tesamorelin and Glucagon-Like Peptide-1 Receptor Agonists. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2026;82(Supplement_4):S87-S91. PMID: 42139091.
- 59Arora G, et al. Pharmacologic Treatments for the Preservation of Lean Body Mass During Weight Loss. Journal of clinical medicine. 2026;15(2). PMID: 41598480.
- 60Jain S, et al. Pathophysiology of GHRH-growth hormone-IGF1 axis in HIV/AIDS. Reviews in endocrine & metabolic disorders. 2013;14(2):113-8. PMID: 23657561.
Everything you need to start.
Dose, sourcing, safety, our verdict. One purchase. Yours forever.
Built from 60 cited studies.