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Kisspeptin with PT-141

Mechanism-tag overlap and published literature for Kisspeptin and PT-141, 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.

KISSPEPTIN PT-141 1 UNIQUE TAGS 1 UNIQUE TAGS 0 SHARED
Kisspeptin unique endogenous-hpg-axis-master-regulator
Shared none
PT-141 unique melanocortin-receptor-agonist

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying Kisspeptin and PT-141 have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

Activates the hypothalamic GnRH pulse generator upstream of the gonadal axis; complementary (different pathway) to MC4R activation. Some users pair for layered hormonal/CNS arousal support. Evidence is primarily mechanistic, not clinical-trial-based.

Quick facts

Kisspeptin

RouteIV infusion / SubQ (research)
Half-life~28 min (Kp-10); ~60+ min (Kp-54)
FDA statusNot approved; active Phase 2
WADANot specifically named
Full Kisspeptin profile →

PT-141

RouteSubQ as-needed
Half-life~2 hr plasma
FDA statusApproved 2019 (HSDD)
WADANot listed
Full PT-141 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
2022KisspeptinThurston L, Hunjan T, Ertl N, Wall MB, Mills EG, Suladze S, et al. Effects of Kisspeptin Administration in Women With Hypoactive Sexual Desire Disorder: A Randomized Clinical Trial. JAMA Netw Open. 2022;5(10):e2236131. PMID: 36227594. PMID 36227594human trial
2018KisspeptinTrevisan CM, Montagna E, de Oliveira R, Christofolini DM, Barbosa CP, Crandall KA, Bianco B. Kisspeptin/GPR54 System: What Do We Know About Its Role in Human Reproduction? Cell Physiol Biochem. 2018;49(4):1259-1276. PMID: 30205368. PMID 30205368human study
2017KisspeptinComninos AN, Wall MB, Demetriou L, Shah AJ, Clarke SA, Narayanaswamy S, et al. Kisspeptin modulates sexual and emotional brain processing in humans. J Clin Invest. 2017;127(2):709-719. PMID: 28112678. PMID 28112678human study
2014KisspeptinSkorupskaite K, George JT, Anderson RA. The kisspeptin-GnRH pathway in human reproductive health and disease. Hum Reprod Update. 2014;20(4):485-500. PMID: 24615662. PMID 24615662human study
2011KisspeptinChan YM, Butler JP, Pinnell NE, Pralong FP, Crowley WF Jr, Ren C, et al. Kisspeptin resets the hypothalamic GnRH clock in men. J Clin Endocrinol Metab. 2011;96(6):E908-915. PMID: 21470993. PMID 21470993human study
2009KisspeptinJayasena CN, Nijher GM, Chaudhri OB, Murphy KG, Ranger A, Lim A, et al. Subcutaneous injection of kisspeptin-54 acutely stimulates gonadotropin secretion in women with hypothalamic amenorrhea, but chronic administration causes tachyphylaxis. J Clin Endocrinol Metab. 2009;94(11):… PMID 19820030human study
2005KisspeptinDhillo WS, Chaudhri OB, Patterson M, Thompson EL, Murphy KG, Badman MK, et al. Kisspeptin-54 stimulates the hypothalamic-pituitary gonadal axis in human males. J Clin Endocrinol Metab. 2005;90(12):6609-6615. PMID: 16174713. PMID 16174713human study
2007KisspeptinLapatto R, Pallais JC, Zhang D, Chan YM, Mahan A, Cerrato F, et al. Kiss1−/− mice exhibit more variable hypogonadism than Gpr54−/− mice. Endocrinology. 2007;148(10):4927-4936. PMID: 17595229. PMID 17595229preclinical, in vivo
2015KisspeptinAbbara A, Jayasena CN, Christopoulos G, Narayanaswamy S, Izzi-Engbeaya C, Nijher GM, et al. Efficacy of Kisspeptin-54 to Trigger Oocyte Maturation in Women at High Risk of Ovarian Hyperstimulation Syndrome (OHSS) During In Vitro Fertilization (IVF) Therapy. J Clin Endocrinol Met… PMID 26192876preclinical, in vitro
2014KisspeptinJayasena CN, Abbara A, Comninos AN, Nijher GM, Christopoulos G, Narayanaswamy S, et al. Kisspeptin-54 triggers egg maturation in women undergoing in vitro fertilization. J Clin Invest. 2014;124(8):3667-3677. PMID: 25036713. PMID 25036713preclinical, in vitro
2020KisspeptinAbbara A, Eng PC, Phylactou M, Clarke SA, Hunjan T, Roberts R, et al. Kisspeptin receptor agonist has therapeutic potential for female reproductive disorders. J Clin Invest. 2020;130(12):6739-6753. PMID: 33196464. PMID 33196464research article
2015KisspeptinClarke H, Dhillo WS, Jayasena CN. Comprehensive Review on Kisspeptin and Its Role in Reproductive Disorders. Endocrinol Metab (Seoul). 2015;30(2):124-141. PMID: 26194072. PMID 26194072research article
2022PT-141Simon JA, Kingsberg SA, Portman D, et al. Prespecified and Integrated Subgroup Analyses from the RECONNECT Phase 3 Studies of Bremelanotide. J Sex Med. 2022. PMID: 35230162. PMID 35230162human trial, Phase 3
2019PT-141Kingsberg SA, Clayton AH, Portman D, Williams LA, Krop J, Jordan R, Lucas J, Simon JA. Bremelanotide for the Treatment of Hypoactive Sexual Desire Disorder: Two Randomized Phase 3 Trials. Obstet Gynecol. 2019;134(5):899-908. PMID: 31599840. DOI: 10.1097/AOG.0000000000003500. PMID 31599840human trial, Phase 3
2021PT-141Kingsberg SA, Clayton AH, Portman D, et al. The Patient Experience of Premenopausal Women Treated with Bremelanotide for Hypoactive Sexual Desire Disorder: RECONNECT Exit Study Results. J Womens Health (Larchmt). 2021. PMID: 33538638. PMID 33538638human trial
2016PT-141Clayton AH, Althof SE, Kingsberg S, DeRogatis LR, Kroll R, Goldstein I, Kaminetsky J, Spana C, Lucas J, Jordan R, Portman DJ. Bremelanotide for female sexual dysfunctions in premenopausal women: A randomized, placebo-controlled dose-finding trial. Womens Health (Lond). 2016;12(3…human trial
2008PT-141Rosen RC, Diamond LE, Earle DC, Shadiack AM. Salvage of Sildenafil Failures With Bremelanotide: A Randomized, Double-Blind, Placebo Controlled Study. J Urol. 2008;179(3):1060-1066.human trial
PT-141ClinicalTrials.gov. Study to Evaluate the Efficacy and Safety of Bremelanotide in Premenopausal Women With Hypoactive Sexual Desire Disorder (RECONNECT 301). NCT02338960.human trial
2004PT-141Rosen RC, Diamond LE, Earle DC, Shadiack AM, Molinoff PB. Evaluation of the safety, pharmacokinetics and pharmacodynamic effects of subcutaneously administered PT-141, a melanocortin receptor agonist, in healthy male subjects and in patients with an inadequate response to Viagra… PMID 14999221human study
2003PT-141Molinoff PB, Shadiack AM, Earle D, Diamond LE, Quon CY. PT-141: a melanocortin agonist for the treatment of sexual dysfunction. Ann N Y Acad Sci. 2003;994:96-102. PMID: 12851303. PMID 12851303human study
2004PT-141Pfaus JG, Shadiack A, Van Soest T, Tse M, Molinoff P. Selective facilitation of sexual solicitation in the female rat by a melanocortin receptor agonist. Proc Natl Acad Sci U S A. 2004;101(27):10201-10204. PMID: 15226502. PMID 15226502preclinical, in vivo
2019PT-141US Food and Drug Administration. VYLEESI (bremelanotide injection) prescribing information. 2019. Reference ID: 4436693.regulatory / registry
2022PT-141Clayton AH, Kingsberg SA, Portman D, Sadiq A, Krop J, Jordan R, Lucas J, Simon JA. Safety Profile of Bremelanotide Across the Clinical Development Program. J Womens Health (Larchmt). 2022;31(2):171-182. PMID: 35147466. PMID 35147466research article
2019PT-141Dhillon S, Keam SJ. Bremelanotide: First Approval. Drugs. 2019;79(14):1599-1606. PMID: 31429064. DOI: 10.1007/s40265-019-01187-w. PMID 31429064research article

Related pair pages

More research context

Frequently asked

Have Kisspeptin and PT-141 been studied together?

Researchers have published mechanistic-level co-administration discussion of Kisspeptin and PT-141. 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 Kisspeptin and PT-141 share?

Kisspeptin and PT-141 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 Kisspeptin and PT-141?

Kisspeptin: Not approved; active Phase 2. PT-141: Approved 2019 (HSDD). 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 Kisspeptin and PT-141?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the Kisspeptin profile and the PT-141 profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026