TheraRadar
Data updated: May 26, 2026

ODEFSEY (emtricitabine)

Nucleoside Reverse Transcriptase Inhibitors
Infectious Disease Approved 2016-03-01

ODEFSEY is a fixed-dose combination indicated as a complete regimen for the treatment of HIV-1 infection in adult and pediatric patients weighing at least 25 kg. It is approved for use as initial therapy in patients with no antiretroviral treatment history and HIV-1 RNA levels less than or equal to 100,000 copies/mL. Additionally, it may replace a stable antiretroviral regimen in patients who are virologically suppressed for at least six months with no history of treatment failure or known resistance to the drug's components. A limitation of use exists for patients with baseline HIV-1 RNA greater than 100,000 copies/mL, as these individuals experienced higher rates of virologic failure.

Source: FDA Label • Gilead Sciences • Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor

How ODEFSEY Works

ODEFSEY is a fixed-dose combination of three antiretroviral drugs: emtricitabine, rilpivirine, and tenofovir alafenamide. Emtricitabine and tenofovir alafenamide both function as HIV nucleoside analog reverse transcriptase inhibitors (NRTIs). Rilpivirine acts as a non-nucleoside reverse transcriptase inhibitor (NNRTI). Together, these three components provide a complete therapeutic regimen for the treatment of HIV-1.

5
Indications
--
Phase 3 Trials
1
Priority Reviews
10
Years on Market

Details

Status
Prescription
First Approved
2016-03-01
Patent Cliff
2033

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Routes
ORAL
Dosage Forms
TABLET

ODEFSEY Approval History

2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
10 FDA actions from 2016 to 2025 · 4 indication expansions
Feb 2025 SUPPL
Efficacy
Sep 2021 SUPPL
Label · Labeling
Mar 2021 SUPPL
Label · Labeling

What ODEFSEY Treats

1 indications

ODEFSEY is approved for 1 conditions since its original approval in 2016. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • HIV-1 Infection
Source: FDA Label

ODEFSEY Boxed Warning

POST TREATMENT ACUTE EXACERBATION OF HEPATITIS B Severe acute exacerbations of hepatitis B have been reported in patients with HIV-1 and HBV who have discontinued products containing emtricitabine (FTC) and/or tenofovir disoproxil fumarate (TDF), and may occur with discontinuation of ODEFSEY. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in patients with HIV-1 and HBV who discontinue ODEFSEY. If appropriate, anti-hepatitis B ...

ODEFSEY Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

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Clinical Trial Registry

12 trials
Trial Sponsor ID Phase Status Title
NCT05979311 VOGUE 219816 Ph 3 active not recruiting A Study to Evaluate the Efficacy, Safety, and Tolerability of Using an Oral Once-daily 2 Drug Regimen Compared to an Oral Once-daily 3 Drug Regimen for the Treatment of Human Immunodeficiency Virus (HIV)-1 in Adults Who Have Not Previously Taken Antiretroviral Therapy
NCT01400412 results posted ACTG A5303 1U01AI068636 Ph 2 completed Bone, Immunologic, and Virologic Effects of a Antiretroviral Regimen
NCT00799864 results posted CR002677 TMC278-TiDP38-C213, 2008-001696-30 Ph 2 completed A Study to Evaluate the Pharmacokinetics, Safety, Tolerability, and Antiviral Activity of Rilpivirine (TMC278) in Human Immunodeficiency Virus Infected Adolescents and Children Aged Greater Than or Equal to 6 Years
NCT02475915 SEARCH 019 Ph 1, Ph 2 completed Efficacy of VHM After Treatment Interruption in Subjects Initiating ART During Acute HIV Infection
NCT01505114 results posted HPTN 069/A5305 (NEXT Prep) 11789, HPTN 069/A5305 Ph 2 completed Evaluating the Safety and Tolerability of Antiretroviral Drug Regimens Used as Pre-Exposure Prophylaxis to Prevent HIV Infection in At-Risk Men Who Have Sex With Men and in At-Risk Women
NCT01709084 SALIF results posted CR100875 TMC278IFD3002 Ph 3 completed A Clinical Trial Comparing the Efficacy of Tenofovir Disoproxil Fumarate/Emtricitabine/Rilpivirine (TDF/FTC/RPV) Versus TDF/FTC/Efavirenz (TDF/FTC/EFV) in Patients With Undetectable Plasma HIV-1 RNA on Current First-line Treatment
NCT04477096 HS-10234-108 Ph 1 completed Evaluation of Drug Interaction Between HS-10234 and Emtriccitabine
NCT01803074 results posted 206739 2012-004124-38, AI468-002 Ph 2 completed Study to Evaluate a HIV Drug for the Treatment of HIV Infection
NCT01335620 results posted RTG_60 2010-022907-23 Ph 4 completed The Safety, Pharmacokinetic Profile and Efficacy of Raltegravir in HIV-infected Patients at Least 60 Years of Age
NCT02116660 RANIA results posted 0518-284 2013-001637-40, MK-0518-284 Ph 2 terminated Evaluation of Renal Function, Efficacy, and Safety When Switching From Tenofovir/Emtricitabine Plus a Protease Inhibitor/Ritonavir, to a Combination of Raltegravir (MK-0518) Plus Nevirapine Plus Lamivudine in HIV-1 Participants With Suppressed Viremia and Impaired Renal Function (MK-0518-284)
NCT02904369 A15-137 Ph 1 completed PK and PD Study of Oral F/TAF for HIV Prevention
NCT00869960 results posted F080428014 1K23AI074390-01A2 Ph 4 completed Impact of Menstrual Cycle on Antiretroviral Pharmacokinetics in Healthy Women
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Active Pipeline

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Key Completed Trials

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

ODEFSEY FDA Label Details

Indications & Usage

FDA Label (PDF)

ODEFSEY is indicated for the treatment of HIV-1 Infection.

⚠️ BOXED WARNING

WARNING: POST TREATMENT ACUTE EXACERBATION OF HEPATITIS B Severe acute exacerbations of hepatitis B have been reported in patients with HIV-1 and HBV who have discontinued products containing emtricitabine (FTC) and/or tenofovir disoproxil fumarate (TDF), and may occur with discontinuation of ODEFSE...

View full patent landscape →
4 OB patents · 1 families · 78 international docs across 43 countries

ODEFSEY Patents & Exclusivity

Latest Patent: Feb 2033

Patents (4 active)

US8754065*PED Expires Feb 15, 2033
US9296769*PED Expires Feb 15, 2033
US9296769 Expires Aug 15, 2032
US8754065 Expires Aug 15, 2032
Source: FDA Orange Book

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Revenue Insights

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Patent Timeline

  • Cliff: 2033
  • 4 active patents

Trial Analysis

  • Clinical trial tracking
  • Development stage analysis

Competitive Landscape

  • 20 similar drugs
  • Same target/indication analysis
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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.