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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT00055172
Other study ID # 030105
Secondary ID 03-H-0105
Status Recruiting
Phase
First received
Last updated
Start date April 5, 2004

Study information

Verified date February 20, 2024
Source National Institutes of Health Clinical Center (CC)
Contact Warren J Leonard, M.D.
Phone (301) 496-0098
Email wl2w@nih.gov
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study will examine the role of hereditary factors in different forms of severe combined immunodeficiency (SCID). Patients with immunodeficiencies may be eligible for this study. Candidates include: - Patients with diminished numbers of T cells or NK cells or both, or - Patients with normal T cell and NK cell numbers but diminished T cell, B cell, or NK cell function. Relatives of patients will also be studied. Participants will have blood samples collected for genetic analysis in studies related to SCID at the National Institutes of Health and other institutions.


Description:

The goal of this project is to identify the genetic basis of new forms of inherited immunodeficiency. The particular focus relates to cytokines such as IL-2, IL-4, IL-7, IL-9, IL-15, and IL-21 that share the common cytokine receptor (Gamma) chain, (Gamma c), and to molecules that are important for signaling or gene regulation in response to these cytokines, although other causes of inherited immunodeficiency are also encompassed.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date
Est. primary completion date
Accepts healthy volunteers No
Gender All
Age group 6 Months to 99 Years
Eligibility - INCLUSION CRITERIA: Index cases to be included are those with diminished numbers of T cells and/or NK cells and/or B cells or other immune cells or those who have normal numbers of T cell, B cells, NK cells and other immune cells but diminished function of one or more immune cells. Relatives of affected individuals may also be studied - Patients (index cases): 6 months of age and older - Siblings: 6 months of age and older - Non-sibling relatives (biological parent, aunt, uncle or grandparent): 18 years or older EXCLUSION CRITERIA: - Patients with a known diagnosis - Patients with a particular immunological phenotype that is not of interest to the research conducted under this study. - Pregnancy or lactation - Adults with current decisional impairment

Study Design


Locations

Country Name City State
United States National Institutes of Health Clinical Center Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
National Heart, Lung, and Blood Institute (NHLBI)

Country where clinical trial is conducted

United States, 

References & Publications (3)

Noguchi M, Yi H, Rosenblatt HM, Filipovich AH, Adelstein S, Modi WS, McBride OW, Leonard WJ. Interleukin-2 receptor gamma chain mutation results in X-linked severe combined immunodeficiency in humans. Cell. 1993 Apr 9;73(1):147-57. doi: 10.1016/0092-8674(93)90167-o. — View Citation

Puel A, Ziegler SF, Buckley RH, Leonard WJ. Defective IL7R expression in T(-)B(+)NK(+) severe combined immunodeficiency. Nat Genet. 1998 Dec;20(4):394-7. doi: 10.1038/3877. — View Citation

Russell SM, Tayebi N, Nakajima H, Riedy MC, Roberts JL, Aman MJ, Migone TS, Noguchi M, Markert ML, Buckley RH, O'Shea JJ, Leonard WJ. Mutation of Jak3 in a patient with SCID: essential role of Jak3 in lymphoid development. Science. 1995 Nov 3;270(5237):797-800. doi: 10.1126/science.270.5237.797. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary To identify forms of inherited immunodeficiency resulting from mutation of yc dependent cytokines, components of their receptors, or signaling molecules in their pathways In an effort to determine the cause of the immunodeficiency, we will perform studies that may include but not be limited to evaluating the levels of expression of protein and/or mRNA, obtaining DNA sequence data, performing epigenetic studies, and evaluating biological function using cellular, biochemical, or other molecular studies. ongoing
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