Zinc Supplementation in Sickle Cell Disease: A Precursor to the Think Zinc for Bones Trial
Public ClinicalTrials.gov record NCT06260891. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The goal of this short term prospective Phase II study is to compare the effects of two alternate daily doses of zinc (25 and 40 mg/day) in 34 randomly assigned homozygous Sickle Cell Disease (SCD-SS) patients aged 15-40 years old. The main question it aims to answer is: Which biomarkers are most responsive to zinc supplementation, and what is the maximum tolerated zinc dose that induces the desired changes in biomarkers of bone turnover? Participants will be recruited from 6 American Society Hematology Research Collaborative SCD Centers. Eligible SCD subjects will be invited to participate in the 16-week study, involving 2 baseline blood draws 4 weeks apart, followed by a 12-week zinc intervention. The findings from this study will be used to determine the dosage of zinc to be used in a larger, future study on the long term impact of zinc supplementation on bone health in SCD-SS.
Study identification
- NCT ID
- NCT06260891
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 34 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 15 Years to 40 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 13, 2026
- Primary completion
- Jul 30, 2027
- Completion
- Dec 30, 2027
- Last update posted
- Mar 12, 2026
2026 – 2027
United States locations
- U.S. sites
- 6
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSF Benioff Children's Hospital Oakland | Oakland | California | 94609 | Recruiting |
| Duke University Medical Center | Durham | North Carolina | 27710 | Not yet recruiting |
| Cincinnati Children's Hospital | Cincinnati | Ohio | 45229 | Not yet recruiting |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | Not yet recruiting |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | Not yet recruiting |
| Baylor College of Medicine | Houston | Texas | 77030 | Not yet recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06260891, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 12, 2026 · Synced Sep 1, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06260891 live on ClinicalTrials.gov.