NCT00047996Enrolling by invitation
Blood Collection for Research Related to Certain Diseases Involving Blood Vessels
Human Specimen Collection to Support Basic and Clinical Research
Source: ClinicalTrials.gov · Last updated 26 Oct 2026
Brief summary (registry, in English)
The collection of human specimens from both patients and healthy volunteers is necessary for the development of laboratory assays to further basic and clinical research studies. This protocol defines the purposes for which specimens will be collected and establishes general conditions under which sample collection will be performed.
- Status (registry)
- Enrolling by invitation
- Study type
- Observational
- Enrollment
- 2000 (estimated)
- First submitted
- 11 Jul 2006
- Start date
- 4 Nov 2002
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NCT number
- NCT00047996
What you commit to
- Study type: Observational
- Planned participants: 2000
- 2 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Lab values
- Individuals without sickle cell disease or other chronic anemias who wish to donate blood will be excluded if the hemoglobin is less than 10 g/dL for women or less than 12g/dL for men.
- Individuals with sickle cell disease or other chronic anemias will be excluded from donating blood samples if the hemoglobin is less than 6 g/dL.
Other
- A participant s most recent CBC result, obtained in the past 12 months, will be used to determine eligibility.
- There are no exclusion criteria for participants donating urine.
Criteria the registry did not label
- INCLUSION CRITERIA:
- Males or females of age 18 years and older can be included in the study.
Age in the registry: 18 years to 100 years · Sex: All · Accepts healthy volunteers
Sites (2)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| National Institutes of Health Clinical Center Coordinator of this site? Confirm its status | Bethesda | United States | Unknown status |
| INOVA Fairfax Hosptial Coordinator of this site? Confirm its status | Fairfax | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.