BACKGROUND: With the approval of direct-acting antivirals (DAAs), the management of drug-drug interactions (DDIs) has become an important challenge while treating individuals with hepatitis C. To date, the potential of causing DDIs for the recently approved DAAs has not been systematically investigated. We aimed to assess the clinical significance of DDI between the regular outpatient medications and DAA therapies in a large real-world cohort. METHODS: Overall, 261 hepatitis C virus monoinfected patients who were selected for DAA therapy at 2 intervals between 2011 and 2014 were asked about their regular outpatient medications. The potential for DDIs between all these drugs and sofosbuvir/ribavirin, ledipasvir/sofosbuvir, sofosbuvir/daclatasvir, sofosbuvir/simeprevir, ombitasvir/paritaprevir/ritonavir ± dasabuvir as well as boceprevir and telaprevir triple therapy was assessed using www.hep-druginteractions.org and the relevant prescribing information. RESULTS: The 261 patients took a median number of 2 drugs (range 0-15); 20% of patients did not take any medication. Sofosbuvir/ribavirin had the lowest risk to cause a potentially significant DDI (9.6%). In contrast, for ombitasvir/paritaprevir/ritonavir ± dasabuvir potentially significant DDIs could be expected in 66.3% of the patients. Significant DDIs for sofosbuvir/simeprevir would be expected in 31.4%, for sofosbuvir/daclatasvir in 36.8%, and for sofosbuvir/ledipasvir in 40.2%. Proton pump inhibitors, thyroid hormones, and dihydropyridine derivatives were frequently used and presented a risk of interacting with the antiviral regimen. CONCLUSIONS: A significant number of patients are at risk for DDIs if treated with the recently approved DAA regimens. A careful evaluation of potential DDI is essential to prevent adverse effects or unnecessary risk of treatment failure.
BACKGROUND: With the approval of direct-acting antivirals (DAAs), the management of drug-drug interactions (DDIs) has become an important challenge while treating individuals with hepatitis C. To date, the potential of causing DDIs for the recently approved DAAs has not been systematically investigated. We aimed to assess the clinical significance of DDI between the regular outpatient medications and DAA therapies in a large real-world cohort. METHODS: Overall, 261 hepatitis C virus monoinfected patients who were selected for DAA therapy at 2 intervals between 2011 and 2014 were asked about their regular outpatient medications. The potential for DDIs between all these drugs and sofosbuvir/ribavirin, ledipasvir/sofosbuvir, sofosbuvir/daclatasvir, sofosbuvir/simeprevir, ombitasvir/paritaprevir/ritonavir ± dasabuvir as well as boceprevir and telaprevir triple therapy was assessed using www.hep-druginteractions.org and the relevant prescribing information. RESULTS: The 261 patients took a median number of 2 drugs (range 0-15); 20% of patients did not take any medication. Sofosbuvir/ribavirin had the lowest risk to cause a potentially significant DDI (9.6%). In contrast, for ombitasvir/paritaprevir/ritonavir ± dasabuvir potentially significant DDIs could be expected in 66.3% of the patients. Significant DDIs for sofosbuvir/simeprevir would be expected in 31.4%, for sofosbuvir/daclatasvir in 36.8%, and for sofosbuvir/ledipasvir in 40.2%. Proton pump inhibitors, thyroid hormones, and dihydropyridine derivatives were frequently used and presented a risk of interacting with the antiviral regimen. CONCLUSIONS: A significant number of patients are at risk for DDIs if treated with the recently approved DAA regimens. A careful evaluation of potential DDI is essential to prevent adverse effects or unnecessary risk of treatment failure.
Authors: M P Economides; P Mahale; A Kyvernitakis; F Turturro; H Kantarjian; A Naing; J Hosry; T L Shigle; A Kaseb; H A Torres Journal: Aliment Pharmacol Ther Date: 2016-10-11 Impact factor: 8.171
Authors: Elise J Smolders; Floor Ac Berden; Clara Tmm de Kanter; Wietske Kievit; Joost Ph Drenth; David M Burger Journal: United European Gastroenterol J Date: 2016-11-04 Impact factor: 4.623
Authors: Alessandra Mangia; Francesco Scaglione; Pierluigi Toniutto; Mario Pirisi; Nicola Coppola; Giovanni Di Perri; Gema Alvarez Nieto; Stefano Calabrese; Candido Hernandez; Valentina Perrone; Luca Degli Esposti; Stefano Fagiuoli Journal: Int J Environ Res Public Health Date: 2021-07-03 Impact factor: 3.390