Odefsey (emtricitabine, rilpivirine, and tenofovir alafenamide)

The following drug information is obtained from various newswires, published medical journal articles, and medical conference presentations.

Company:

Approval Status:

Approved March 2016

Specific Treatments:

HIV-1 infection

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HIV

General Information

Odefsey is a three-drug combination of emtricitabine (FTC) and tenofovir alafenamide (TAF), both HIV nucleoside analog reverse transcriptase inhibitors (NRTIs), and rilpivirine (RPV), a non-nucleoside reverse transcriptase inhibitor (NNRTI).

Odefsey is specifically indicated as a complete regimen for the treatment of HIV-1 infection in patients 12 years of age and older as initial therapy in those with no antiretroviral treatment history with HIV-1 RNA less than or equal to 100,000 copies per mL; or to replace a stable antiretroviral regimen in those who are virologicallysuppressed (HIV-1 RNA less than 50 copies per mL) for at least six months with no history of treatment failure and no known substitutions associated with resistance to the individual components of Odefsey.

Odefsey is supplied as a tablet for oral administration. The recommended dose is one tablet (200 mg of FTC, 25 mg of RPV and 25 mg of TAF) orally once daily with a meal.

Clinical Results

FDA Approval

The FDA approval of Odefsey was based in part on a bioequivalence study demonstrating that Odefsey achieved similar drug levels of emtricitabine and TAF in the blood as Genvoya (elvitegravir 150 mg/cobicistat 150 mg/emtricitabine 200 mg/tenofovir alafenamide 10 mg or E/C/F/TAF) and similar drug levels of rilpivirine as Edurant (rilpivirine 25 mg). The safety, efficacy and tolerability of Odefsey is supported by clinical studies of rilpivirine-based therapy (administered as R+F/TDF or R/F/TDF) and F/TAF-based therapy (administered as E/C/F/TAF) in a range of patients with HIV, including treatment-naïve adults and adolescents, virologically suppressed adults who switched from PI-, NNRTI- and INSTI-based regimens and virologically suppressed adults with mild-to-moderate renal impairment.

Side Effects

Adverse effects associated with the use of rilpivirine may include, but are not limited to, the following:

  • depressive disorders
  • insomnia
  • headache

Adverse effects associated with the use of Emtricitabine & Tenofovir Alafenamide may include, but are not limited to, the following:

  • nausea

Odefsey comes with the following boxed warning:

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs. Odefsey is not approved for the treatment of chronic hepatitis B virus (HBV) infection. Severe acute exacerbations of hepatitis B have been reported in patients who are coinfected with HIV-1 and HBV and have discontinued products containing emtricitabine (FTC) and/or tenofovir disoproxil fumarate (TDF), and may occur with Odefsey. Hepatic function should be monitored closely in these patients. If appropriate, initiation of anti-hepatitis B therapy may be warranted.

Mechanism of Action

Odefsey is a three-drug combination of emtricitabine (FTC) and tenofovir alafenamide (TAF), both HIV nucleoside analog reverse transcriptase inhibitors (NRTIs), and rilpivirine (RPV), a non-nucleoside reverse transcriptase inhibitor (NNRTI).

Additional Information

For additional information regarding HIV-1 infection or Odefsey, please visit https://www.odefsey.com