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Crohn's disease stable remission after human immunodeficiency virus infection
1Department of Gastroenterology and Nutrition, Bichat Claude-Bernard University Hospital, Paris, France.
Insights
In patients with long-standing Crohn's disease (CD), human immunodeficiency virus (HIV) infection led to stable CD remission. This suggests the immune system, particularly CD4 T cells, is crucial in Crohn's disease pathogenesis.
Area of Science:
- Immunology
- Gastroenterology
- Infectious Diseases
Background:
- Crohn's disease (CD) is a chronic inflammatory bowel disease.
- Human immunodeficiency virus (HIV) is an infection that targets the immune system.
- The interplay between CD and HIV is not well understood.
Observation:
- Retrospective analysis of four patients with long-standing CD who developed HIV infection.
- Patients experienced a stable remission of CD symptoms following HIV diagnosis.
- Remission duration varied, with some patients living for years without CD recurrence.
Findings:
- HIV infection was associated with a spontaneous improvement and stable remission of Crohn's disease.
- Three patients died from acquired immunodeficiency syndrome (AIDS)-related illnesses despite CD remission.
- One patient remained alive and symptom-free from CD for seven years post-HIV detection.
Implications:
- The integrity of the immune response, specifically CD4 T cells, appears critical in the mechanisms of tissue injury in Crohn's disease.
- These findings highlight the complex relationship between immune status and inflammatory conditions like CD.
- Further research into immune modulation could offer new therapeutic strategies for Crohn's disease.
Abstract:
We retrospectively assessed the clinical course in four patients with long-standing Crohn's disease who became infected with human immunodeficiency virus (HIV). The duration of active Crohn's disease was 21, 10, 4, and 4 years in our four patients. They experienced a stable remission of Crohn's disease symptoms after HIV infection. In three patients Crohn's disease was in stable remission for 5, 8, and 8 years after HIV infection and all three died from acquired immunodeficiency syndrome-related disease. One patient was still alive without recurrence of Crohn's disease symptoms 7 years following HIV detection. Our observations of a spontaneous improvement in the clinical course of Crohn's disease after HIV infection, suggests that the integrity of the immune response, especially that of CD4 T cells, plays a major role in the tissue injury mechanism in Crohn's disease.