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A drug combination targeting SARS-CoV-2, Paxlovid, was approved in December 2021 to treat COVID-19. [12] It is a combination of nirmatrelvir, a protease inhibitor targeted to the SARS-CoV-2 3C-like protease, and ritonavir, which inhibits the metabolism of nirmatrelvir, thereby prolonging its effect. [13]
In unvaccinated high-risk people with COVID‑19, nirmatrelvir/ritonavir can reduce the risk of hospitalization or death by 88% if taken within five days of symptom onset. [20] People who take nirmatrelvir/ritonavir also test negative for COVID‑19 about two and a half days earlier than people who do not. [21]
COVID-19: Merck & Co. viral RNA polymerase inhibitor Moroxydine: Influenza Nelfinavir: HIV Nirmatrelvir/ritonavir (Paxlovid) COVID-19: Pfizer: 3C-like protease inhibitor (Nirmatrelvir) / inhibition of metabolism of nirmatrelvir (ritonavir) Nevirapine: HIV non-nucleoside reverse transcriptase inhibitor: Nitazoxanide: Broad-spectrum antiviral ...
Furthermore, the PARTNER study, [43] which ran from 2010 to 2014, enrolled 1166 serodiscordant couples (where one partner is HIV positive and the other is negative) in a study that found that the estimated rate of transmission through any condomless sex with the HIV-positive partner taking ART with an HIV load less than 200 copies/ml was zero. [43]
Ritonavir, sold under the brand name Norvir, is an antiretroviral medication used along with other medications to treat HIV/AIDS. [4] [5] [8] This combination treatment is known as highly active antiretroviral therapy (HAART). [8] Ritonavir is a protease inhibitor, though it now mainly serves to boost the potency of other protease inhibitors.
[52] [53] [54] As of July 2021, a large number of drugs had been considered for treating COVID-19 patients. [55] As of November 2022, there was moderate-certainty evidence suggesting that dexamethasone, and systemic corticosteroids in general, probably cause a slight reduction in all-cause mortality (up to 30 days) in hospitalized patients with ...
The treatment depends on the type or types of hepatitis C virus that are causing the infection. [57] Both during and at the end of treatment, blood tests are used to monitor the effectiveness of the treatment and subsequent cure. [56] The DAA combination drugs used include: [58] Harvoni (sofosbuvir and ledipasvir)
People who start taking emtricitabine/tenofovir see HIV reduction benefits up to 72 hours after starting, but the medicine must be taken for thirty days after a high-risk sexual event to ensure HIV transmission levels are optimally reduced. [21] [22] Emtricitabine/tenofovir as PrEP should not be used for individuals who are positive for HIV-1. [7]