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Clinical and immunologic studies of common variable immunodeficiency
1Mount Sinai Hospital School of Medicine, New York, New York.
Current Opinion in Pediatrics
|December 1, 1994
Summary
Common variable immunodeficiency (CVID) is a primary immune disorder marked by low immunoglobulin levels. Diagnosis can be delayed, with infections, autoimmunity, and cancers as key symptoms, while treatments focus on immunoglobulin replacement.
Area of Science:
- Immunology
- Clinical Medicine
- Genetics
Background:
- Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by low levels of key immunoglobulins.
- Diagnosis often occurs in adulthood, with a significant delay from symptom onset to identification.
- Clinical features include recurrent sinopulmonary and gastrointestinal infections, autoimmune phenomena, and increased risk of certain cancers.
Purpose of the Study:
- To summarize the key aspects of Common Variable Immunodeficiency.
- To highlight the diagnostic challenges and clinical manifestations.
- To briefly touch upon the current understanding of molecular defects and treatment strategies.
Main Methods:
- Review of existing literature on CVID.
- Analysis of diagnostic criteria and clinical presentations.
- Summary of current therapeutic approaches and emerging experimental treatments.
Main Results:
- CVID is defined by subnormal levels of at least two major immunoglobulin isotypes.
- Disease onset varies widely, with diagnosis frequently delayed into later decades of life.
- Associated conditions include infections, autoimmunity, and neoplasia.
Conclusions:
- The molecular basis of CVID remains largely unknown, potentially involving B-cell or T-cell defects.
- Intravenous immunoglobulin therapy is the standard treatment.
- Further research into novel in vivo therapeutic strategies is warranted to improve patient outcomes.