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Can a common plant compound help rare telomere disease?

NCT ID NCT07628972

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 11, 2026 · Updated 3 times

Summary

This pilot study tests whether quercetin, a natural antioxidant found in many plants, is safe for people with Dyskeratosis congenita or telomere biology disorders. Twelve participants will take quercetin for 24 weeks while researchers monitor side effects and how well people stick with the treatment. The goal is to see if it is safe and feasible to use, not yet to prove it works.

What this could mean

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

Active substance
quercetin (a natural antioxidant found in plants)
What this could lead to
If it works, this could point toward a safe way to manage symptoms of Dyskeratosis congenita or telomere biology disorders.
What could go wrong
This is a very early, small Phase 1 trial with only 12 people. It is designed mainly to check safety, not effectiveness, so it may not lead to a treatment.

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

About 12 people

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

Started

May 2026

Expected to finish

Sep 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

2 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: 1. Diagnosis of DC/TBD deficiency as defined by at least one of the following: * Age adjusted mean-telomere length of \<1 percentile in all tested peripheral blood cells such as granulocytes, lymphocytes, B-cells, naïve T-cells, memory T-cells, and NK cells * A pathogenic or likely pathogenic mutation in DKC1, TERC, TERT, NOP10, NHP2, TINF2, CTC1, PARN, RTEL1, ACD, NAF1, ZCCHC8, or WRAP53 2. Patients ≥ 2.0 years of age\* * The first three enrolled patients must be ≥ 10.0 years of age 3. Able to take medication orally Exclusion Criteria: 1. Renal failure requiring dialysis 2. Total bilirubin \>3 mg/dl and/or SGPT \>300 at time of enrollment, unless elevation thought to be related to DC/TBD 3. Patients who have received quercetin or any over-the-counter antioxidant supplementation within last 1 month 4. Patients currently taking androgen therapy 5. Patients receiving digoxin therapy, who are unable to discontinue treatment due to medical reasons 6. Patients receiving fluoroquinolone therapy, who are unable to discontinue treatment due to medical reasons 7. Patients who are pregnant or breastfeeding or are at risk of pregnancy and are unable to use acceptable methods of birth control during the length of the study 8. Patients with morphologic or cytogenetic evidence of myelodysplasia or leukemia. 9. Patients needing to start or actively receiving radiation therapy, chemotherapy or immunotherapy for treatment of SCC or other cancers. 10. Patients with unstable disease status or other medical issues requiring hospitalization or rapid escalation of medical care 11. Participating in another therapeutic study for DC/TBD 12. Patients who are in the early post-stem cell transplant period (i.e. first 6 months post-transplant)

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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.

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

  • Cincinnati Children's Hospital Medical Center

    RECRUITING

    Cincinnati, Ohio, 45229, United States

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