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Scientists peer into blood vessels to unlock secrets of aging

NCT ID NCT07563725

Knowledge-focused Sponsor: National Institute of Cardiology, Laranjeiras, Brazil Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how small blood vessels change as we age, even in healthy people. Researchers will use a special camera to measure blood flow in the skin of 62 adults of different ages. The goal is to find early warning signs of aging-related inflammation and heart disease, which could lead to better prevention in the future.

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.

Participants

About 62 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 2029

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

An observational, cross-sectional study will be conducted, including volunteers aged ≥ 60 years, divided into two groups: elderly (60-80 years) and very elderly (\>80). Young volunteers aged between 20 and 40 years, already participants in previous studies, whose demographic and microcirculation data are in the research laboratory's database, will be included as controls. Data from the control group will be obtained from an institutional database, respecting confidentiality and anonymization, in accordance with current ethical standards.

Ages

60 to 100 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.

Inclusion Criteria: * Absence of symptoms and history of cardiovascular and cerebrovascular diseases. * Baseline blood pressure levels within the normal range (\< 140/90 mmHg, according to WHO criteria) and absence of use of antihypertensive medications. Exclusion Criteria: * Diabetes Mellitus: Fasting blood glucose ≥ 126 mg/dL or use of hypoglycemic agents. * Smoking: Active or quit less than 5 years ago. * Inflammatory Diseases: Autoimmune diseases, active neoplasms, or acute infectious processes. * Surgery or trauma in the last 60 days. * Renal Dysfunction: Chronic renal failure (estimated by eGFR \< 60 mL/min/1.73m²). * Medication Use: Chronic use of corticosteroids, immunosuppressants, or drugs with direct action on vascular reactivity (e.g., continuous use of nitrates).

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As listed by the trial registrant

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

Aging problems

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

  • Eduardo Tibiriçá

    Rio de Janeiro, 22240006, Brazil

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