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Study of Factors Regulating Mast Cell Proliferation

Recruitingn/aAges 1 Day - 80 YearsAllNational Institute of Allergy and Infectious Dise…
NCT00044122 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study will examine growth factors that promote and inhibit mast cell proliferation resulting in mastocytosis, a disease of excessive mast cells in the body. These cells can release chemicals that cause itching, blisters, flushing, bone pain and abdominal pain. Patients up to 80 years of age with mastocytosis may be eligible for this 1-day study. Participants will have one visit at NIH lasting up to 8 hours, during which they will undergo the following tests and procedures: * Medical history and physical examination. * Laboratory studies, if medically indicated. * Blood tests to identify genetic changes important in the growth, development, and functioning of mast cells. * Bone marrow aspiration and biopsy. For the bone marrow procedure, the skin over the hipbone and the outer surface of the bone itself are numbed with local anesthesia. Then, a special needle is inserted into the

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📋 Eligibility rules (as published)
* PATIENT PARTICIPANT INCLUSION CRITERIA: Participants with mastocytosis zero to 80 years of age may participate in telehealth visits, and two to 80 years of age may participate on-site at NIH Clinical Center Histologic evidence of increased mast cell number by bone marrow and/or skin biopsy or documentation of mastocytosis in the skin supported with a photograph of diagnostic skin lesions Must be under the care of a primary care physician to be enrolled. Ability to provide informed consent. PATIENT PARTICIPANT EXCLUSION CRITERIA: Anemia with hemoglobin \< 8 g/dL, hematocrit \< 24. Any condition that in the opinion of the investigator contraindicates participation in this study. RELATIVE INCLUSION CRITERIA: Two to 80 years of age. A biological relative without the diagnosis of mastocytosis by skin examination or histologic evidence in a skin or bone marrow biopsy Participant has a primary medical care provider outside the NIH Ability to provide informed consent. RELATIVE EXCLUSION CRITERIA: Any condition that in the opinion of the investigator contraindicates participation in this study.
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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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