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Apheresis to Obtain Plasma or White Blood Cells for Laboratory Studies

Recruitingn/aAges 18 Years - 100 YearsAllNational Institute of Allergy and Infectious Dise…
NCT00114647 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study will collect blood plasma and white blood cells from individuals using a procedure called apheresis. Apheresis is a method of collecting larger quantities of certain blood components that can safely be collected through a simple blood draw. The blood components will be used in laboratory research studies. Patients 18 years of age and older who are currently enrolled in a NIH clinical research protocol may participate in this study. Relatives of patients and normal healthy volunteers will also be enrolled. Individuals will undergo one of the following two apheresis procedures: * Automated pheresis Blood is drawn through a needle placed in an arm vein and circulated through a cell separator machine. The plasma (liquid part of the blood) and white cells are extracted, and the red cells are re-infused into the donor through the same needle or a needle in the other arm. An antic

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📋 Eligibility rules (as published)
* INCLUSION CRITERIA: 18 years of age or older Adequate venous access Blood pressure less than or equal to 180/100; pulse rate 50-100, unless a lower pulse rate is considered normal for the volunteer (e.g. a conditioned athlete) Adequate blood counts if undergoing apheresis (HIV positive volunteers and volunteers with vasculitis or other inflammatory diseases: hemoglobin greater than or equal to 9.0 g/dL, HCT greater than or equal to 28%, platelets greater than or equal to 50,000; HIV negative volunteers: hemoglobin greater than or equal to 12.5 g/dL, HCT greater than or equal to 38%, platelets greater than or equal to 150,000) Willing and able to provide written informed consent, comply with study requirements and procedures, and comply with clinic policies (including stored samples, hepatitis screening, and genetic testing including HLA testing) EXCLUSION CRITERIA: Pregnant and/or breast-feeding women Currently abusing alcohol or other drugs Any medical condition for which the PI feels apheresis or other sample collection procedures might be contraindicated
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What it tests

  • Not listed
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Where

1 site
National Institutes of Health Clinical Center
Bethesda, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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