Kisspeptin's secret role in metabolism revealed?
NCT ID NCT04958109
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at how the hormone kisspeptin affects the body's response to sugar. Sixteen healthy adults received either kisspeptin or a placebo during an oral glucose tolerance test. Researchers measured changes in insulin sensitivity to better understand kisspeptin's role in metabolism.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- kisspeptin
- What this could lead to
- If successful, this could help explain how kisspeptin influences metabolism and insulin release, potentially pointing toward new treatments for metabolic diseases.
- What could go wrong
- This is a very small, early-phase study in healthy volunteers, so results may not apply to people with metabolic conditions. The effects of kisspeptin on glucose metabolism are still uncertain.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
16 people
The number who actually took part.
- Started
-
Oct 2021
- Finished
-
Oct 2022
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 40 years
- Sex
-
Female participants only
- Healthy volunteers
-
Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: History: * over the age of 18, * normal pubertal development * stable weight for previous three months, * normal body mass index (BMI between 18.5-25) * regular menstrual cycles Physical examination: • systolic BP \< 140 mm Hg, diastolic \< 90 mm Hg Laboratory studies: (per Massachusetts General Hospital reference ranges) * normal hemoglobin * hemoglobin A1C \< 6.5% * blood urea nitrogen, creatinine not elevated * aspartate aminotransferase, alanine aminotransferase \< 3x upper limit of normal Exclusion Criteria: * active illicit drug use, * history of a medication reaction requiring emergency medical care, * difficulty with blood draws. * history of chronic disease, except well controlled thyroid disease, * recent use of prescription medications which interfere with metabolism or reproduction (recent = within 5 half-lives of the drug). Use of levothyroxine or seasonal allergy medications is acceptable, * history of diabetes in a first degree relative, * use of contraceptive pills, patches or vaginal rings within last 4 weeks. * hyperlipidemia by fasting lipid panel * positive serum pregnancy test (for all women)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
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