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Recruiting NCT03819829

NCT03819829 Blood Sampling of Healthy Volunteers for Immunological Research

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Clinical Trial Summary
NCT ID NCT03819829
Status Recruiting
Phase
Sponsor The Netherlands Cancer Institute
Condition Healthy Volunteers
Study Type INTERVENTIONAL
Enrollment 50 participants
Start Date 2019-02-05
Primary Completion 2026-12-02

Eligibility & Interventions

Sex All sexes
Min Age 36 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Blood sample

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 50 participants in total. It began in 2019-02-05 with a primary completion date of 2026-12-02.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This protocol will be used to collect crucial components of the immune system from healthy volunteers for the characterization of immune cells in fresh blood. A pipeline has been set up for comprehensive immune phenotyping of both lymphoid and myeloid cells within 24 hours after blood withdrawal.

Eligibility Criteria

Inclusion Criteria: * Age above 35 years * Written informed consent * No history of cancer * No use of systemic immunosuppressive medication (eg. corticosteroids). Local use of corticosteroids (eg. topical or inhalation) is allowed. Exclusion Criteria: * Fever 14 days before blood withdrawal * Donated blood for the same program within the last 2 years * Pregnancy

Contact & Investigator

Central Contact

M Kok, MD

✉ m.kok@nki.nl

📞 3120512

Principal Investigator

M Kok, MD

PRINCIPAL INVESTIGATOR

NKI-AvL

Frequently Asked Questions

Who can join the NCT03819829 clinical trial?

This trial is open to participants of all sexes, aged 36 Years or older, studying Healthy Volunteers. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT03819829 currently recruiting?

Yes, NCT03819829 is actively recruiting participants. Contact the research team at m.kok@nki.nl for enrollment information.

Where is the NCT03819829 trial being conducted?

This trial is being conducted at Amsterdam, Netherlands.

Who is sponsoring the NCT03819829 clinical trial?

NCT03819829 is sponsored by The Netherlands Cancer Institute. The principal investigator is M Kok, MD at NKI-AvL. The trial plans to enroll 50 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology