Genetic Studies of X-linked Lymphoproliferative Disease
Genetic Studies of the X-Linked Lymphoproliferative Disease
2 other identifiers
observational
12
1 country
1
Brief Summary
This study will study the effects of the gene on the X chromosome that is associated with X-linked lymphoproliferative disease (XLPD)-an inherited disease affecting the immune system-on the function of the immune system. XLPD has been linked to an abnormality in a specific region of the X chromosome (one of 23 chromosome pairs that contain the genes that determine a person's hereditary makeup). The disease may develop after infection with the Epstein-Barr virus (EBV). EBV affects more than 95 percent of people in the United States. It usually does not cause any symptoms in children. In adolescents and adults, however, EBV can cause infectious mononucleosis and sometimes lymphoproliferative disease, such as XLPD. In these diseases lymph tissues, such as lymph nodes, may become enlarged and immune function (infection-fighting ability) impaired. This study will compare DNA from patients with XLPD with that of their unaffected relatives, of patients with other lymphoproliferative diseases and of normal controls. Patients of any age with XLPD, their unaffected relatives 18 years of age and older, and patients with other lymphoproliferative diseases may participate in this study. Blood samples will be collected from all participants to study the effects of the gene on the X chromosome that appears to be abnormal in XLPD on the function of the immune system. In a 6-week period, no more than 100 milliliters (about 7 tablespoons) of blood will be drawn from adults and no more than 1 ml (1/6 teaspoon) of blood per pound of body weight from children. Blood from patients with XLPD and their relatives will also be tested for HLA type (similar to blood type testing) and the ability of HLA-matched cells from patients and relatives to interact will be examined. ...
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started May 1996
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 22, 1996
CompletedFirst Submitted
Initial submission to the registry
August 1, 2006
CompletedFirst Posted
Study publicly available on registry
August 2, 2006
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2010
CompletedJuly 2, 2017
February 1, 2010
August 1, 2006
June 30, 2017
Conditions
Keywords
Eligibility Criteria
You may qualify if:
- Patients known to have XLPD and their relatives will be recruited from families who have enrolled in a national XLPD registry.
- All racial and ethnic groups will be considered.
- To be considered having XLPD, a patient must be a male who has had:
- severe infectious mononucleosis, or
- acquired hypogammaglobulinemia following infectious mononucleosis, or
- nonHodgkin's lymphoma, or
- hyper-IgM or an IgG subclass deficiency with evidence of linkage to the DXS42 locus
- and
- have no other known immunocompromising condition and belong to a family in which another related male has had one or more of the above listed phenotypes.
You may not qualify if:
- Known HIV infection in any patient with XLPD or their relative (blood will not be tested for HIV), complicating medical or psychiatric conditions in unrelated controls.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, 20892, United States
Related Publications (3)
Purtilo DT, Cassel CK, Yang JP, Harper R. X-linked recessive progressive combined variable immunodeficiency (Duncan's disease). Lancet. 1975 Apr 26;1(7913):935-40. doi: 10.1016/s0140-6736(75)92004-8.
PMID: 48119BACKGROUNDSkare JC, Milunsky A, Byron KS, Sullivan JL. Mapping the X-linked lymphoproliferative syndrome. Proc Natl Acad Sci U S A. 1987 Apr;84(7):2015-8. doi: 10.1073/pnas.84.7.2015.
PMID: 2882515BACKGROUNDCohen JI. Epstein-Barr virus lymphoproliferative disease associated with acquired immunodeficiency. Medicine (Baltimore). 1991 Mar;70(2):137-60. doi: 10.1097/00005792-199103000-00005.
PMID: 1848644BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Sponsor Type
- NIH
Study Record Dates
First Submitted
August 1, 2006
First Posted
August 2, 2006
Study Start
May 22, 1996
Study Completion
February 1, 2010
Last Updated
July 2, 2017
Record last verified: 2010-02-01