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Hormones & growth

Kisspeptin

Peptilex evidence grade ABCDEUpdated 19 Oct 2026 How grades work
Type
Natural peptide hormone (kisspeptin-54 and shorter fragments such as kisspeptin-10)
Main use or focus
Research: fertility treatment, reproductive hormone disorders, sexual desire

Key studies from the book

  • 53 women in IVF; kisspeptin triggered egg maturation, clinical pregnancy rate 23 percent.

    Jayasena CN et al. – Journal of Clinical Investigation, 2014
  • Phase 2, 60 women at high risk of hyperstimulation; egg maturation in 95 percent, no moderate or severe hyperstimulation, live birth in 45 percent of transfers.

    Abbara A et al. – Journal of Clinical Endocrinology & Metabolism, 2015
  • Randomized, 32 women with low sexual desire; changed activity in the brain's sexual-processing network.

    Thurston L et al. – JAMA Network Open, 2022

All key studies, risks and open questions are in the book.

Research at a glance

Publications by typePubMed, all years
All papers3,331
Human studies1,229
Animal studies only1,671
Randomized trials33
Meta-analyses & systematic reviews19

Source: PubMed and ClinicalTrials.gov via the Peptilex study database

Registered trials by phaseClinicalTrials.gov · name in study title
ongoing / startingcompleted / other
Phase 17
Phase 25
Phase 31
Other9

Source: PubMed and ClinicalTrials.gov via the Peptilex study database

Trial starts per yearClinicalTrials.gov · by start date (planned starts included)
22016
1
2018
4
2020
1
12022
2
12024
1
12026

Source: PubMed and ClinicalTrials.gov via the Peptilex study database

Go deeper

Full profile in the book

What it is, how it acts, the key studies, risks and open questions.

Peptilex – The Peptide Encyclopedia, book cover

Peptilex – The Peptide Encyclopedia

  • 34 peptides – from semaglutide to BPC-157 – in one book
  • An evidence grade (A–E) and the key studies for every peptide
  • Where each one stands in 2026 – US, EU and Switzerland

Formats: Kindle · Paperback · Hardcover

Amazon store: amazon.com · Change store

Registered trials

ClinicalTrials.gov · name in study title · ongoing first

StudyPhaseStatusParticipantsStart
Kisspeptin to Quantify GnRH Neuronal Function in Health and Disease
NCT07224490Stephanie B. Seminara, MD
Phase 1Recruiting40Mar 2026
Reproductive Hormones During Sustained Administration of Kisspeptin
NCT02081924Imperial College London
–Recruiting76Apr 2014
Link Between the Sensitivity of Kisspeptin Signalling and Pubertal Onset in Boys.
NCT03286517Ghulam Nabi
Phase 3Completed30Jun 2014
The Use of the Hormone Kisspeptin in 'in Vitro Fertilisation' (IVF) Treatment
NCT01667406Imperial College London
Phase 2Completed175Jun 2012
Administration of Kisspeptin in Patients With Hyperprolactinemia
NCT02956447Massachusetts General Hospital
Phase 2Completed36Nov 2017
Prolonged Pulsatile Kisspeptin Administration in Hypogonadotropic Hypogonadism
NCT04648969Stephanie B. Seminara, MD
Phase 2Completed18May 2019
Kisspeptin Administration in the Adult
NCT00914823Massachusetts General Hospital
Phase 1Completed256Jun 2009
Elucidating Kisspeptin Physiology by Blocking Kisspeptin Signaling
NCT01438073Massachusetts General Hospital
Phase 1Completed96Sep 2011
Kisspeptin in the Evaluation of Delayed Puberty
NCT01438034Massachusetts General Hospital
Phase 1Completed24Jun 2013
Evaluation of Kisspeptin Glucose-Stimulated Insulin Secretion With Oral Glucose Tolerance Test
NCT04958109Massachusetts General Hospital
Phase 1Completed16Oct 2021
Show 9 moreShow fewer
StudyPhaseStatusParticipantsStart
Dampening the Reproductive Axis With Continuous Kisspeptin
NCT05971849Stephanie B. Seminara, MD
Phase 1Completed8Oct 2023
Kisspeptin/GPR54 Pathway and Early Puberty
NCT04012632Shenzhen Center for Disease Control and Prevention
ObservationalCompleted628Sep 2016
Detection of Kisspeptins and miRNAs in Patients With Non-viable Pregnancy
NCT03877939Vida Recoletas Sevilla
ObservationalCompleted433Sep 2019
Tachykinin and Kisspeptin Expression in Human Granulosa and Cumulus Cells
NCT02877992Vida Recoletas Sevilla
–Completed236Jan 2014
Serum Kisspeptin: a Predictive Marker of Miscarriage or Not?
NCT03940495ShangHai Ji Ai Genetics & IVF Institute
ObservationalCompleted182May 2019
Serum Kisspeptin Levels in Infertile Women
NCT03018314Bakirkoy Dr. Sadi Konuk Research and Training Hospital
ObservationalCompleted90Jun 2016
Kisspeptin Levels in Early Pregnancy
NCT04371991Semra Yuksel
ObservationalCompleted88Jan 2019
Association of Kisspeptin Levels With Insulin Secretion in Diabetes Mellitus
NCT01956851Ganga Care Hospital, Nagpur
ObservationalCompleted55Sep 2013
A Prospective Cohort Study on the Serum Kisspeptin Levels Throughout Pregnancy in PCOS
NCT06545994Fudan University
ObservationalStatus unknown180Jun 2024

Showing 19 of 22 matching registered studies. See all on ClinicalTrials.gov.

Latest key papers

PubMed · newest first

  1. 2025
  2. 2025

    Kisspeptin Administration Stimulates Reproductive Hormones but Does Not Affect Anxiety in Humans

    Human RCTMills EG et al. · J Clin Endocrinol MetabPMID 40036336

  3. 2025

    Kisspeptin and its Current Clinical Status-A Systematic Review

    Systematic reviewVelmurugan H et al. · Current Medicinal ChemistryPMID 38265397

  4. 2024
  5. 2024
  6. 2023
  7. 2022
  8. 2022

    Green tea catechin EGCG could prevent obesity-related precocious puberty through NKB/NK3R signaling pathway

    Human RCTGu Q et al. · The Journal of Nutritional BiochemistryPMID 35691596

Related peptides

The Peptide Encyclopediaamazon.com
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