Can a common plant compound help rare telomere disease?
NCT ID NCT07628972
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
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 12 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- Lead sponsor
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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
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2 years and older
- Sex
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Anyone
- Healthy volunteers
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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 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: 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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Cincinnati Children's Hospital Medical Center
RECRUITINGCincinnati, Ohio, 45229, United States
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