Delta Describe, the French Collaborative Project: The Profile and Management of Hepatitis Delta Patients in Metropolitan France

Hepatitis delta (HDV) infection affects 5% of hepatitis B (HBV)-positive patients and is associated with an increased risk of cirrhosis and hepatocellular carcinoma; however, it remains underdiagnosed. The first part of our Delta Describe study highlights the insufficient level of HDV screening among patients in metropolitan France. In this study, we report on their real-world management. Patients with at least one positive HDV RNA test performed in 2019 were identified through the major public and private laboratories in France. From January 2024 to July 2025, informed patients were interviewed, and physicians supplemented the collected data. A total of 547 patients were included, with a median age of 44 years; most originated from Africa or Eastern Europe. HIV and hepatitis C coinfections were reported in 15.2% and 4.6% of patients, respectively. Liver fibrosis was primarily assessed using FibroScan(®). Most patients knew the year of their delta diagnosis, and 69.1% knew their fibrosis stage. Liver-related events occurred in 14.3% (67/468) of patients, mainly comprising portal hypertension (61.6%), liver failure (12.3%), and hepatocellular carcinoma (26%), and 45 patients (45/468) underwent liver transplantation. At the time of the survey, 47.1% of the patients reported undetectable HDV RNA; 40.6% (222/547) had currently or previously undergone BLV treatment. Among patients receiving ongoing treatment for HDV at the time of the survey, 84.8% were receiving nucleos(t)ide analogs (NUCs). In metropolitan France, HDV patients had access to specialized follow-up care and innovative therapies (bulevirtide), were mostly on NUCs, and demonstrated good disease awareness.

Auteur(s) : Bosselut Marie, Carrier Paul, Brichler Ségolène, Alain Sophie, Debette-Gratien Marilyne, Scholtès Caroline, Roque-Afonso Anne-Marie, Burrel Sonia, Trimoulet Pascale, Guigon Aurélie, Coste-Burel Marianne, Billaud Eric, Izopet Jacques, Saune Karine, Chevaliez Stéphane, Visseaux Benoit, Soares Anaïs, Bronowicki Jean-Pierre, Boursier Jérôme, Remy André-Jean, Quentin Vincent, Fassler Isaac, Castan Bernard, Lina Gérard, Brouard Cécile, Peoc'h Katell, Fontaine Hélène, Bourlière Marc, Roulot Dominique, Diédhiou Dadi Abel, Rigaud Céline, François Sandrine, Loustaud-Ratti Véronique, Delta Describe Study Group

Année de publication : 2026

Pages : 424

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