Observational studyCalcified tissue international2025
Differential Impact of Interferon-Based and Direct-Acting Antiviral Therapies on Bone Metabolism in Chronic Hepatitis C: Insights from Transcriptomic and Clinical Analyses.
Observational study in Calcified tissue international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
15 authors.
Funding
Abstract
Chronic hepatitis C (CHC) is a risk factor for hepatic osteodystrophy, increasing osteoporosis and fracture risks. While historical pegylated interferon/ribavirin (PEG-IFN/RBV) showed variable bone effects, the newer direct-acting antivirals' (DAAs) impact is less clear. This study compared these antiviral strategies' effects on bone metabolism in CHC patients through two separate analyses. First, we conducted a retrospective analysis of a prospectively collected observational cohort (n = 73) to assess longitudinal bone mineral density (BMD) and bone turnover marker (BTM) changes following PEG-IFN/RBV or DAA therapies. Second, to explore mechanisms, we analyzed two independent, publicly available peripheral blood mononuclear cell (PBMC) transcriptomic cohorts from CHC patients treated with PEG-IFN/RBV (GSE7123, n = 69) or an IFN-free DAA regimen (GSE51699, n = 8). Clinically, PEG-IFN/RBV induced a temporary lumbar spine BMD increase, then a post-treatment decline, and modulated BTMs. DAAs showed minimal BMD/BTM effects. PBMC transcriptomics revealed PEG-IFN/RBV responders showed downregulation of osteoclast precursor (OCP)-related gene sets and concurrent upregulation of osteoblast-related gene sets. DAAs had a minimal impact on these PBMC pathways. These findings demonstrate distinct effects of PEG-IFN/RBV and DAA therapies. PEG-IFN/RBV significantly modulates PBMC gene expression related to bone remodeling, potentially contributing to the complex clinical BMD changes, while DAAs appear largely bone-neutral. This highlights treatment-specific osteoporosis risk and surveillance needs in CHC survivors.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.