PMID- 31254392 OWN - NLM STAT- MEDLINE DCOM- 20201001 LR - 20201001 IS - 1527-3350 (Electronic) IS - 0270-9139 (Print) IS - 0270-9139 (Linking) VI - 71 IP - 2 DP - 2020 Feb TI - Pharmacokinetics, Safety, and Efficacy of Glecaprevir/Pibrentasvir in Adolescents With Chronic Hepatitis C Virus: Part 1 of the DORA Study. PG - 456-462 LID - 10.1002/hep.30840 [doi] AB - The pangenotypic regimen of glecaprevir and pibrentasvir (G/P) is approved to treat adults with chronic hepatitis C virus (HCV) infection and has yielded high cure rates in adults in clinical trials. Approved treatment options for pediatrics may include ribavirin. A pangenotypic regimen for pediatric patients remains an unmet need. DORA is an ongoing phase 2/3, nonrandomized, open-label study evaluating the pharmacokinetics (PK), safety, and efficacy of G/P in pediatric patients with chronic HCV. This analysis includes Part 1 of the study, conducted in adolescent patients 12-17 years of age given the adult regimen of G/P (300 mg/120 mg) once daily for 8-16 weeks according to the indication durations used in adults. Patients were either treatment naive or experienced with interferon-based regimens. The primary PK endpoint was steady-state exposures for glecaprevir and pibrentasvir; the primary efficacy endpoint was sustained virologic response 12 weeks after treatment (SVR12). The secondary efficacy endpoints were on-treatment virologic failure, relapse, and reinfection. Safety and tolerability were monitored. Part 1 enrolled 48 adolescent patients infected with genotypes 1, 2, 3, or 4, of whom 47 were administered G/P. All 47 patients (100%) achieved SVR12. No on-treatment virologic failures or relapses occurred. PK exposures of glecaprevir and pibrentasvir were comparable to exposures in adults. No adverse events (AEs) led to treatment discontinuation, and no serious AEs occurred. Conclusion: Adolescent patients with chronic HCV infection treated with G/P achieved a comparable exposure to adults, 100% SVR12 rate, and safety profile consistent with that in adults. This pangenotypic regimen demonstrated 100% efficacy within the adolescent population in as little as 8 weeks of treatment. CI - (c) 2019 The Authors. Hepatology published by Wiley Periodicals, Inc. on behalf of American Association for the Study of Liver Diseases. FAU - Jonas, Maureen M AU - Jonas MM AD - Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, MA. AD - Department of Pediatrics, Harvard Medical School, Boston, MA. FAU - Squires, Robert H AU - Squires RH AD - Division of Gastroenterology, Hepatology, and Nutrition, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA. AD - Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA. FAU - Rhee, Susan M AU - Rhee SM AD - AbbVie Inc., North Chicago, IL. FAU - Lin, Chih-Wei AU - Lin CW AD - Amgen Inc., Thousand Oaks, CA. FAU - Bessho, Kazuhiko AU - Bessho K AD - Osaka University Hospital, Osaka, Japan. FAU - Feiterna-Sperling, Cornelia AU - Feiterna-Sperling C AD - Charite - Universitaetsmedizin Berlin, Berlin, Germany. FAU - Hierro, Loreto AU - Hierro L AD - Hospital Universitario La Paz, Madrid, Spain. FAU - Kelly, Deirdre AU - Kelly D AD - Birmingham Women's & Children's Hospital, Birmingham, United Kingdom. FAU - Ling, Simon C AU - Ling SC AD - Division of Gastroenterology, Hepatology & Nutrition, The Hospital for Sick Children, and Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada. FAU - Strokova, Tatiana AU - Strokova T AD - Federal Research Centre of Nutrition and Biotechnology, Moscow, Russian Federation. FAU - Del Valle-Segarra, Antonio AU - Del Valle-Segarra A AD - San Jorge Children's Hospital, San Juan, Puerto Rico. FAU - Lovell, Sandra AU - Lovell S AD - AbbVie Inc., North Chicago, IL. FAU - Liu, Wei AU - Liu W AD - AbbVie Inc., North Chicago, IL. FAU - Ng, Teresa I AU - Ng TI AD - AbbVie Inc., North Chicago, IL. FAU - Porcalla, Ariel AU - Porcalla A AD - AbbVie Inc., North Chicago, IL. FAU - Gonzalez, Yuri Sanchez AU - Gonzalez YS AD - AbbVie Inc., North Chicago, IL. FAU - Burroughs, Margaret AU - Burroughs M AD - AbbVie Inc., North Chicago, IL. FAU - Sokal, Etienne AU - Sokal E AUID- ORCID: 0000-0001-5597-4708 AD - Cliniques Universitaires Saint-Luc, Universite Catholique de Louvain, Brussels, Belgium. LA - eng SI - ClinicalTrials.gov/NCT03067129 PT - Clinical Trial, Phase II PT - Clinical Trial, Phase III PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20190813 PL - United States TA - Hepatology JT - Hepatology (Baltimore, Md.) JID - 8302946 RN - 0 (Benzimidazoles) RN - 0 (Drug Combinations) RN - 0 (Pyrrolidines) RN - 0 (Quinoxalines) RN - 0 (Sulfonamides) RN - 0 (glecaprevir and pibrentasvir) SB - IM MH - Adolescent MH - Benzimidazoles/adverse effects/*pharmacokinetics/*therapeutic use MH - Child MH - Drug Combinations MH - Female MH - Hepatitis C, Chronic/*drug therapy MH - Humans MH - Male MH - Pyrrolidines/adverse effects/*pharmacokinetics/*therapeutic use MH - Quinoxalines/adverse effects/*pharmacokinetics/*therapeutic use MH - Sulfonamides/adverse effects/*pharmacokinetics/*therapeutic use MH - Treatment Outcome PMC - PMC7028097 EDAT- 2019/06/30 06:00 MHDA- 2020/10/02 06:00 PMCR- 2020/02/18 CRDT- 2019/06/30 06:00 PHST- 2019/04/18 00:00 [received] PHST- 2019/06/25 00:00 [accepted] PHST- 2019/06/30 06:00 [pubmed] PHST- 2020/10/02 06:00 [medline] PHST- 2019/06/30 06:00 [entrez] PHST- 2020/02/18 00:00 [pmc-release] AID - HEP30840 [pii] AID - 10.1002/hep.30840 [doi] PST - ppublish SO - Hepatology. 2020 Feb;71(2):456-462. doi: 10.1002/hep.30840. Epub 2019 Aug 13.