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Healthy donors needed for research – no treatment involved

NCT ID NCT00339911

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 28, 2026 · Updated 14 times

Summary

This study creates a bank of blood, cheek cells, semen, urine, or nail clippings from up to 1,200 healthy adult volunteers. The samples are used by scientists for lab research only, such as studying immune function or developing tests. Donors are paid for their time and must be NCI-Frederick employees.

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.

Participants

About 1,200 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 1999

Expected to finish

Oct 2030

An estimate. End dates often move.

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Healthy NCI Frederick Cancer Research and Development Center employees@@@@@@

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: Individuals must meet the following eligibility criteria to be entered into the RDP donor pool, as follows: 1. Age 18 or older. 2. Weight of 110 lb or greater. 3. All subjects must have the ability and agree to participate fully and comply with the procedures of the protocol and provide informed consent. 4. Registration for participation in semen donation is limited to males currently enrolled in the donor pool. 5. Subjects must be NCI Frederick Employees EXCLUSION CRITERIA: Individuals with any of the following will be excluded from the donor pool: 1. History of chronic illness that might increase the risks associated with phlebotomy, including but not limited to heart, lung, or kidney disease 2. Current acute illness. 3. History of clotting disorders. 4. Current medications which might increase the risks associated with phlebotomy. 5. History of syncope or other difficulty with venipuncture. 6. Anemia, as determined by hematocrit or hemoglobin. Hematocrit Acceptable range for males: 40-51 percent. Hematocrit Acceptable range for females: 34-46 percent. 7. Hemoglobin Acceptable range for males: 12.5-17.0 g/dl Hemoglobin Acceptable range for females: 11.5-15.2 g/dl 8. Positive blood test for exposure to HIV-1, HIV-2, HTLV-1, HTLV-2, or HCV or for HBV surface antigens. 9. Individuals whose activities or conditions place them at high risk of HIV infection are asked not to donate. 10. Males who qualify for participation in the donor pool will be excluded from participation in semen donation if they have knowingly had any injury, infection, or treatment performed that renders them incapable of producing sperm. 11. Pregnancy: Pregnant women will not be allowed to enroll in this study because there is no benefit.

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • NCI Frederick Cancer Research Center

    Frederick, Maryland, 21702-1201, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.