Platelet Volunteers, Longitudinal and Multi-omic Study (NCT07137429)
🩺 Plain-English Summary (8th-Grade Level)
Background: Platelets are a type of blood cell that play a critical role in bleeding, forming blood clots, and healing. Researchers want to know more about platelets work in healthy people. They want to look at how platelets clump together, how blood clots, and how genes and proteins work. They also want to study how these processes change over time and how they are affected by factors such diet, exercise, weight, and new health problems. Objective: To study how platelets function in healthy people. Eligibility: Healthy people aged 18 years and older. Design: Researchers will review participants medical history. They will ask about the participant s family history and any drugs they take. Participants will have a clinic visit once every 6 or 7 months for 10 years. Each visit will be 2 to 3 hours. At each visit, participants will have several tests and procedures: A physical exam, including vital signs. Hip and ankle circumference will be measured. Urine collection. Blood tests. About 10 tablespoons of blood will be drawn. Participants will be asked to fast for 10 hours and avoid drugs like aspirin or Advil for 7 days before each draw. Some of the blood may be used for gene studies. Some may be used to create stem cells for research. Stem cells are cells that can be used to make other types of cells. Surveys and questionnaires. Participants will answer questions about habitual activity, diet, smoking, drugs and alcohol, sleep, illness, and other health issues. These surveys may be done online, via email, or by phone.
Who can join: Review the eligibility criteria below.
Location: National Institutes of Health Clinical Center — Bethesda, Maryland
Age range: 18 Years to 100 Years
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- National Institutes of Health Clinical Center — Bethesda, Maryland
📞 Contact the Study Coordinator
Phone: (240) 401-6378
Email: jayson.grey@nih.gov
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.