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Scientists probe why menopause raises heart risk

NCT ID NCT06787066

Knowledge-focused Sponsor: University of Missouri-Columbia Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looks at how the nervous system controls blood flow in women going through menopause. Researchers will measure nerve activity and blood vessel responses in 75 women aged 18-70. They will also test how two drugs (propranolol and phentolamine) affect these responses. The goal is to understand why heart disease risk increases after menopause.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Propranolol Hydrochloride and Phentolamine Injection
What this could lead to
If successful, this study could help explain why women after menopause have higher heart disease risk, potentially leading to better prevention strategies.
What could go wrong
This is a very early, small study (75 participants) focused on understanding mechanisms, not testing a treatment. Results may not apply to all women or lead directly to new therapies.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 75 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2025

Expected to finish

Dec 2026

An estimate. End dates often move.

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 70 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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Assigned female at birth * 18-70 years of age * Body mass index (BMI) \<30 kg/m2 Exclusion Criteria: * Assigned male at birth * Pregnancy, breastfeeding * Body mass index ≥30 kg/m2 * Oral hormonal contraception in last 6 months, history of hormone replacement therapy, oophorectomy * Current smoking/nicotine use * Increased risk of bleeding, pro-coagulant disorders, clotting disorders, anticoagulation therapy * Nerve/neurologic disease * Cardiovascular, hepatic, renal, respiratory disease * Blood pressure ≥140/90 mmHg * Diabetes, Polycystic ovarian syndrome * Communication barriers * Prescription medications

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Menopause

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Missouri

    RECRUITING

    Columbia, Missouri, 65211, United States

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