Merck Announces Week 96 Data from Doravirine Study

Merck announced Week 96 results from the Phase 3 DRIVE-FORWARD clinical trial evaluating the efficacy and safety of doravirine (DOR), the company’s investigational non-nucleoside reverse transcriptase inhibitor (NNRTI), in combination with other antiretroviral agents, for the treatment of HIV-1 infection in adult patients with no prior antiretroviral treatment history (treatment-naïve). At Week 96, 73.1 percent (277/379) of the group treated with once-daily DOR achieved viral suppression as measured by the proportion of patients who achieved HIV-1 RNA of less than 50 copies/mL, compared to 66.0 percent (248/376) of the group treated with once-daily ritonavir-boosted darunavir (DRV+r) (treatment difference: 7.1%, 95% confidence interval: 0.5, 13.7).

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Previously, the findings at Week 48 demonstrated that once-daily DOR met its primary efficacy endpoint of non-inferiority compared to DRV+r, each in combination with emtricitabine/tenofovir disoproxil fumarate (FTC/TDF) or abacavir/lamivudine (ABC/3TC).

“These Week 96 data reinforce the efficacy and safety of doravirine found at 48 weeks, and support the potential use of doravirine in the clinic as an important new treatment option for people living with HIV-1,” said Professor Chloe Orkin, lead for HIV and HIV/Hep C research, Ambrose King Centre, Royal London Hospital.

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