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Can an MRI spot your Body's 'Anti-Aging' molecule?

NCT ID NCT07416786

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

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 11, 2026 · Updated 2 times

Summary

This study aims to see if magnetic resonance spectroscopy (MRS) can accurately measure NAD+ levels in the brain and calf muscles of healthy adults. Participants will take an over-the-counter nicotinamide riboside (NR) supplement, and researchers will compare NAD+ measurements before and after supplementation. The goal is to standardize NAD+ measurement methods for future clinical studies.

What this could mean

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

Active substance
Nicotinamide Riboside (NR) supplement
What this could lead to
If successful, this could help develop a reliable way to measure NAD+ in humans, which may aid future research on aging and metabolism.
What could go wrong
This is a small, early-stage study focused on measurement methods, not treatment. It may not lead to any direct health benefits.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 48 people

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

Started

Sep 2026

Expected to finish

Jul 2028

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 110 years

Sex

Anyone

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.

* Male or female age18-35 years or 70 years or older, healthy * if female reproductive potential, use of highly effective contraception (at least 1 month prior to screening and during study participation). * No known sensitivity to NR * No use of niacin, blood thinners or chemotherapy agents * HbA1c below 8.5% and not diabetec requiring insulin. * Not using/taking corticosteroids * No laboratory abnormalities indicating significant anemia, bleeding risk, kidney disease, or liver disease * No contraindication to MRI * Not Pregnant, lactating, or planning to become pregnant during participation * Not taking multivitamins or any over-the-counter supplements except calcium and vitamin D (any other supplements - discontinued 2 weeks prior to study participation). * not taking/ undergoing another investigational drug or other intervention within the past 30 days.

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As listed by the trial registrant

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

Healthy adults

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

  • Penn Medicine

    RECRUITING

    Philadelphia, Pennsylvania, 19104-6006, United States

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