Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2020
SD1000: High Sustained Viral Response Rate in 1361 Patients With Hepatitis C Genotypes 1, 2, 3, and 4 Using a Low-cost, Fixed-dose Combination Tablet of Generic Sofosbuvir and Daclatasvir: A Multicenter, Phase III Clinical Trial.
Клиническое исследование III фазыСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Merat Shahin, SD1000 Research Team
Аннотация
BACKGROUND: The combination of sofosbuvir and daclatasvir is a potent, pangenotypic regimen suitable for mass-scale hepatitis C treatment, especially in resource-limited countries where newer, expensive combinations are not available. This combination has been widely tested on genotype 4. However, Phase III trials of this combination in other genotypes have been cost prohibitive. With the introduction of generic, low-cost sofosbuvir and daclatasvir, large-scale studies in resource-limited countries are now possible.
METHODS: Sofosbuvir at 400 mg and daclatasvir at 60 mg were coformulated into a fixed-dose combination (FDC) tablet (Sovodak, Rojan Pharma, Tehran, Iran). Patients from 46 centers were dosed for 12 or 24 weeks with or without ribavirin, in line with existing guidelines. Responses to treatment were evaluated 12 weeks after the end of treatment (for a sustained virological response at Week 12; SVR12).
RESULTS: There were 1361 patients recruited. Overall, the patients were 21% female, with a mean age of 50 years; 39% were cirrhotic; 22% were treatment-experienced; 47% were genotype 1, 41% were genotype 3, and 2% were other genotypes. The genotype was not known in 10% of the patients. The intention-to-treat and per-protocol SVR12 rates were 94.7% and 98.8%, respectively. The safety profile was unremarkable, treatment was well tolerated, and compliance with the single-tablet regimen was excellent.
CONCLUSIONS: The treatment with FDC of sofosbuvir and daclatasvir achieved high SVR12 rates, equivalent to those seen in Phase III trials of other pangenotypic options, and has been conducted at a similar scale in a representative, real-world population at a cost of under $100 per patient, which makes this combination suitable for elimination protocols in resource-limited countries.
CLINICAL TRIALS REGISTRATION: NCT03200184.
METHODS: Sofosbuvir at 400 mg and daclatasvir at 60 mg were coformulated into a fixed-dose combination (FDC) tablet (Sovodak, Rojan Pharma, Tehran, Iran). Patients from 46 centers were dosed for 12 or 24 weeks with or without ribavirin, in line with existing guidelines. Responses to treatment were evaluated 12 weeks after the end of treatment (for a sustained virological response at Week 12; SVR12).
RESULTS: There were 1361 patients recruited. Overall, the patients were 21% female, with a mean age of 50 years; 39% were cirrhotic; 22% were treatment-experienced; 47% were genotype 1, 41% were genotype 3, and 2% were other genotypes. The genotype was not known in 10% of the patients. The intention-to-treat and per-protocol SVR12 rates were 94.7% and 98.8%, respectively. The safety profile was unremarkable, treatment was well tolerated, and compliance with the single-tablet regimen was excellent.
CONCLUSIONS: The treatment with FDC of sofosbuvir and daclatasvir achieved high SVR12 rates, equivalent to those seen in Phase III trials of other pangenotypic options, and has been conducted at a similar scale in a representative, real-world population at a cost of under $100 per patient, which makes this combination suitable for elimination protocols in resource-limited countries.
CLINICAL TRIALS REGISTRATION: NCT03200184.