Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers

NCT ID: NCT00442195

Last Updated: 2025-12-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

1000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-03-03

Brief Summary

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The Hematology Branch of the National Heart, Lung, and Blood Institute is doing a variety of laboratory research experiments that require blood and tissue samples from healthy volunteers. This protocol provides a mechanism for collecting these tissue samples. Research includes studies of normal and abnormal formation of blood cells, viral blood diseases, the role of the immune system in marrow failure and genetic risk factors for aplastic anemia.

Healthy normal volunteers 8 years of age and older may be eligible for this study. Samples are collected as follows:

* Blood samples: Participants 8 years of age and older donate up to 4 tablespoons of blood, which is obtained from a needle placed in an arm vein.
* Participants 8 years of age and older donate a buccal mucosa sample (cells from the inside of the cheek). The inside of the cheek is scraped gently with a nylon brush.
* Participants 18 years of age and older donate a bone marrow sample. The bone marrow is obtained from the hip bone. The skin over the area is wiped clean with alcohol and iodine, and then a local anesthetic is injected under the skin and also into the bone. When the area is numb, a bone marrow aspiration needle is introduced through the bone surface into the marrow. The marrow cells are collected using a syringe connected to the needle.

Detailed Description

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The purpose of this protocol is to collect and analyze blood (ages 8 and older), bone marrow (ages 18 and older), skin tissue samples (ages 18 and older), and/or buccal mucosa samples (ages 8 and older) from healthy volunteers. Samples will be used for clinical and translational research in the NHLBI and are indispensable for many of our research projects, including studies of normal and abnormal hematopoiesis, the viral etiology of blood diseases, the role of the immune system in marrow failure and genetic risk factors for aplastic anemia. This protocol provides a mechanism for collection, tracking, storing, dispensing, analyzing and disposing of these laboratory research samples.

Conditions

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Healthy Volunteers

Keywords

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Tissue Procurement Sample Collection Biologic Samples Laboratory Research Specimens Natural History

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Study Groups

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1

Healthy Volunteers

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Self-declared healthy volunteer (for blood and buccal mucosa sample donors).

Be healthy, as determined by Principal Investigator or designee based on recent (\<3 months) history, physical and laboratory results (for bone marrow and skin tissue sample donors).

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Age 8 years and older (no upper limit) for blood and buccal mucosa sampling.

OR

Ages 18 years or older (no upper limit) for bone marrow or skin tissue sampling.

Exclusion Criteria

Unable to comprehend the investigational nature of the protocol participation.

CBC determined outside expected normal ranges for the subject (bone marrow and skin tissue donors only).

Pregnancy

Age less than 18 years for skin tissue sampling, bone marrow aspirate and biopsy.

Off campus volunteers for skin tissue sampling bone marrow aspirate and biopsy.
Minimum Eligible Age

8 Years

Maximum Eligible Age

99 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Heart, Lung, and Blood Institute (NHLBI)

NIH

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Neal S Young, M.D.

Role: PRINCIPAL_INVESTIGATOR

National Heart, Lung, and Blood Institute (NHLBI)

Locations

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National Institutes of Health Clinical Center

Bethesda, Maryland, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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OPR Office of Patient Recruitment

Role: CONTACT

Phone: (800) 411-1222

Email: [email protected]

Facility Contacts

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NIH Clinical Center Office of Patient Recruitment (OPR)

Role: primary

References

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Traba J, Kwarteng-Siaw M, Okoli TC, Li J, Huffstutler RD, Bray A, Waclawiw MA, Han K, Pelletier M, Sauve AA, Siegel RM, Sack MN. Fasting and refeeding differentially regulate NLRP3 inflammasome activation in human subjects. J Clin Invest. 2015 Nov 3;125(12):4592-600. doi: 10.1172/JCI83260.

Reference Type DERIVED
PMID: 26529255 (View on PubMed)

Related Links

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Other Identifiers

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07-H-0113

Identifier Type: -

Identifier Source: secondary_id

070113

Identifier Type: -

Identifier Source: org_study_id