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Hepatic Porphyrias
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Your search returned 2 results
from the time period: last 90 days.
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1. Porphyria.  
Date: 08/30/2017
The New England journal of medicine 
No summary available
Porphyrias (2), Porphyria Cutanea Tarda (1), more mentions
The American journal of the medical sciences
BACKGROUND: Hepatitis C virus (HCV) infection is a common susceptibility factor for porphyria cutanea tarda (PCT). Experience on HCV treatment in patients with PCT is limited. Recently, HCV treatment has improved with direct-acting antivirals (DAA). We review our experience on HCV treatment in patients with PCT with older and newer regimens. MATERIALS AND METHODS: A retrospective chart review was conducted. HCV treatment was attempted 22 times in 13 patients with PCT (5 attempts in 1, 2 in 5 and 1 in the other 7 patients). RESULTS: Before starting HCV treatment, PCT was in complete remission in 16, partial remission in 2, unknown status in 2 and active in 2 instances. PCT relapsed during therapy 6 times (all interferon-based regimens and 2 including telaprevir), 4 requiring treatment interruption. Treatment was interrupted for reasons other than PCT relapse in 2 patients treated with interferon-based regimens. To prevent PCT recurrence, hydroxychloroquine was continued during HCV therapy 6 times (3 interferon regimens, 2 ribavirin regimens without interferon and 1 DAA alone). Twelve patients achieved sustained viral response, 3 with interferon regimens and 9 with DAA. Two patients with active PCT were treated with DAA, with reduction of plasma porphyrins in 1 and normalization in the other at the end of HCV therapy. CONCLUSIONS: HCV treatment regimens including interferon or ribavirin may precipitate PCT relapse. Hydroxychloroquine may be useful to prevent such relapses. In this limited experience, DAA were not associated with PCT relapse. Studies are needed to examine DAA as a primary PCT treatment in HCV-infected patients.
Infectious Diseases (4), Immune System Diseases (1)
Hepatitis C (4), Porphyria Cutanea Tarda (3), Porphyrias (1), more mentions