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NCT00001406 · ClinicalTrials.gov registry record
Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia
A clinical trial of Immune System Diseases and Hypersensitivity, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).
- Recruiting
- Registry status
- 800
- Enrollment target
- 1
- Study location
NCT00001406 is a study of Immune System Diseases and Hypersensitivity that is actively recruiting participants, run by National Institute of Allergy and Infectious Diseases (NIAID). The registered enrollment target is 800 participants, above the 108-participant average among 18 other Immune System Diseases trials with a reported enrollment target (641% higher). The trial reports 1 study location across 1 state.
The verdict
NCT00001406, a study of Immune System Diseases and Hypersensitivity, is actively recruiting participants, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).
- RECRUITING
- Registry status
- 800 participants
- Enrollment target
- 1
- Study location
Study Summary
This study will investigate how, why and under what conditions eosinophils (a type of white blood cell) become activated and will examine their function in immune reactions. Eosinophil counts often rise in response to allergies, asthma, and parasitic worm infections. They can also go up in uncommon autoimmune conditions and, rarely, in association with tumors. Elevated levels of these cells is called eosinophilia. Usually, eosinophilia causes no apparent symptoms, but in rare cases there may be local swelling and itching, allergic lung problems, heart disease or nerve damage caused by the release of toxic substances in these cells into body tissues. Patients 1 to 100 years of age with eosinophil counts greater than 750/ml or an abnormal accumulation of eosinophils in the skin or body tissues may be eligible for this study. All participants will have a thorough medical history, physical examination and blood tests. Depending on the person's age and symptoms, other diagnostic tests may be done, including specialized studies of the eye, lungs, skin, bone marrow, nerves or heart. This is not a treatment study, and no experimental treatments will be offered. Patients who require treatment will receive standard medical care. Certain other procedures may be requested solely for research purposes. All participants will be asked to donate extra blood for laboratory studies investigating how immune cells and other immune substances in the blood act to stimulate a rise in eosinophils. In addition, some participants may undergo one or more of the following: * Annual Follow-up evaluations - Physical examinations and blood tests to evaluate changes in the patient's condition and eosinophil counts over time. * Bone marrow biopsy and aspiration will be recommended during the initial evaluation, and in certain patients at other times when it is important to look directly at the newly developing cells in the bone marrow. For this procedure an area of skin and bone is anesthetized
Conditions Studied
Study Locations (1)
Maryland
- National Institutes of Health Clinical Center - Bethesda
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 800 participants |
| Start Date | 1997-04-21 |
Interested in This Trial?
Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT00001406
The ClinicalTrials.gov registry entry for NCT00001406 describes a study currently listed as recruiting, categorized as an unspecified phase. The registered enrollment target is 800 participants, a figure that helps gauge the scale of data the investigators plan to collect, above the 108-participant average among 18 other Immune System Diseases trials with a reported enrollment target (641% higher). The listed sponsor is National Institute of Allergy and Infectious Diseases (NIAID), which has 2,006 total studies on file at ClinicalTrials.gov.
The record links to 5 conditions, with Immune System Diseases appearing as the primary indexed condition, and to 0 interventions.
NCT00001406 reports 1 study location spanning 1 distinct geographic area - top geographies include Maryland.
Frequently Asked Questions
What is clinical trial NCT00001406 about?
NCT00001406 is a clinical study titled "Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia". This study will investigate how, why and under what conditions eosinophils (a type of white blood cell) become activated and will examine their function in immune reactions. Eosinophil counts often rise in response to allergies, asthma, and parasitic worm infections. They can also go up in uncommon ...
What is the current status of trial NCT00001406?
This trial is currently recruiting. The enrollment target is 800 participants. The study started on 1997-04-21.
What conditions does trial NCT00001406 study?
This clinical trial studies the following conditions: Immune System Diseases, Hypersensitivity, Eosinophilia, Helminthiasis, Parasitic Disease.
Who is sponsoring clinical trial NCT00001406?
This trial is sponsored by National Institute of Allergy and Infectious Diseases (NIAID), which has 2,006 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00001406 being conducted?
This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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