Data from FDA - Curated by Marshall Pearce - Last updated 12 October 2017

Indication(s)

1 INDICATIONS AND USAGE ODEFSEY is 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 virologically-suppressed (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 [see Microbiology (12.4) and Clinical Studies (14)]. 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), and is 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 virologically-suppressed (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. (1)

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Advisory information

contraindications
4 CONTRAINDICATIONS ODEFSEY is contraindicated when coadministered with the following drugs; coadministration may result in loss of virologic response and possible resistance to ODEFSEY or to the class of NNRTIs [see Warnings and Precautions (5.3), Drug Interactions (7) and Clinical Pharmacology (12.3)]: the anticonvulsants carbamazepine, oxcarbazepine, phenobarbital, phenytoin the antimycobacterials rifampin and rifapentine proton pump inhibitors, such as dexlansoprazole, esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole the glucocorticoid systemic dexamethasone (more than a single dose) St. John's wort (Hypericum perforatum) ODEFSEY is contraindicated when coadministered with drugs where significant decreases in RPV plasma concentrations may occur, which may result in loss of virologic response and possible resistance and cross-resistance. (4)
Adverse reactions
6 ADVERSE REACTIONS The following adverse reactions are discussed in other sections of the labeling: Severe Acute Exacerbations of Hepatitis B [See Warnings and Precautions (5.1)] Skin and Hypersensitivity Reactions [See Warnings and Precautions (5.2)] Depressive Disorders [See Warnings and Precautions (5.5)] Hepatotoxicity [See Warnings and Precautions (5.6)] Immune Reconstitution Syndrome [See Warnings and Precautions (5.7)] New Onset or Worsening Renal Impairment [see Warnings and Precautions (5.8)] Lactic Acidosis/Severe Hepatomegaly with Steatosis [See Warnings and Precautions (5.9)] Most common adverse reactions (incidence greater than or equal to 2%, all grades) are headache and sleep disturbances. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Gilead Sciences, Inc. at 1-800-GILEAD-5 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug (or a drug given in various combinations with other concomitant therapy) cannot be directly compared to rates in the clinical trials of another drug (or drug given in the same or different combination therapy) and may not reflect the rates observed in practice. Adverse Reactions in Clinical Trials of ODEFSEY in Virologically-Suppressed Adult Subjects with HIV-1 Infection The safety of ODEFSEY in virologically-suppressed adults is based on Week 48 data from two randomized, double-blinded, active-controlled clinical trials, 1160 and 1216, that enrolled 1505 adult subjects who were virologically-suppressed for at least 6 months. Both trials were designed to compare switching to ODEFSEY to maintaining efavirenz/emtricitabine/tenofovir disoproxil fumarate (EFV/FTC/TDF) or emtricitabine/rilpivirine/tenofovir disoproxil fumarate (FTC/RPV/TDF) in Trials 1160 and 1216, respectively. A total of 754 subjects received one tablet of ODEFSEY daily [see Clinical Studies (14.1)]. The most common adverse reactions (all Grades) reported in at least 2% of subjects in the ODEFSEY group across Trials 1216 and 1160 were headache and sleep disturbances (Table 1). Over 98% of the adverse reactions in the ODEFSEY group were of mild to moderate intensity. The proportion of subjects who discontinued treatment with ODEFSEY due to adverse events, regardless of severity, was 2% compared to 1% for FTC/RPV/TDF and 2% for EFV/FTC/TDF. Table 1 Adverse Reactionsa. Frequencies of adverse reactions are based on all adverse events attributed to study drugs by the investigator. (All Grades) Reported in ≥1% of HIV-1 Infected Virologically-Suppressed Adults in Trial 1160 or Trial 1216 (Week 48 analysis) Adverse Reaction Trial 1160 Trial 1216 ODEFSEY (N=438) EFV/FTC/TDF (N=437)Data from Trials 1160 and 1216 do not provide an adequate basis for comparison of adverse reaction incidences between ODEFSEY and the FTC/RPV/TDF and EFV/FTC/TDF groups. ODEFSEY (N=316) FTC/RPV/TDF (N=313) Headache 2% 1% 0 1% Flatulence 1% <1% <1% 1% Sleep Disturbances 2% 1% 0 <1% Abnormal Dreams 1% 1% 0 2% Diarrhea 1% 3% 1% 2% Nausea 1% 1% 1% 1% Renal Laboratory Tests In Trial 1216, the median baseline eGFR was104 mL per minute for subjects who switched to ODEFSEY from FTC/RPV/TDF (N=316) and the mean serum creatinine decreased by 0.02 mg per dL from baseline to Week 48. In Trial 1160, the median baseline eGFR was 110 mL per minute for subjects who switched to ODEFSEY from EFV/FTC/TDF (N=438), and the mean serum creatinine increased by 0.1 mg per dL from baseline to Week 48. Bone Mineral Density Effects Changes in BMD from baseline to Week 48 were assessed by dual-energy X-ray absorptiometry (DXA) in Trials 1216 and 1160. In Trial 1216, mean bone mineral density (BMD) increased in subjects who switched to ODEFSEY (1.61% lumbar spine, 1.04% total hip) and remained stable or decreased in subjects who remained on FTC/RPV/TDF (0.08% lumbar spine, –0.25% total hip). BMD declines of 5% or greater at the lumbar spine were experienced by 1.7% of ODEFSEY subjects and 3.0% of FTC/RPV/TDF subjects. BMD declines of 7% or greater at the femoral neck were experienced by 0% of ODEFSEY subjects and 1.2% of FTC/RPV/TDF subjects. In Trial 1160, mean BMD increased in subjects who switched to ODEFSEY (1.65% lumbar spine, 1.28% total hip) and decreased slightly in subjects who remained on EFV/FTC/TDF (–0.05% lumbar spine, –0.13% total hip). BMD declines of 5% or greater at the lumbar spine were experienced by 2.3% of ODEFSEY subjects and 4.9% of EFV/FTC/TDF subjects. BMD declines of 7% or greater at the femoral neck were experienced by 1.4% of ODEFSEY subjects and 3.3% of EFV/FTC/TDF subjects. The long-term clinical significance of these BMD changes is not known. Serum Lipids Changes from baseline in total cholesterol, HDL-cholesterol, LDL-cholesterol, triglycerides, and total cholesterol to HDL ratio for Trials 1216 and 1160 are presented in Table 2. Table 2 Lipid Values, Mean Change from Baseline Reported in Subjects Receiving ODEFSEY, FTC/RPV/TDF and EFV/FTC/TDF in Trials 1216 and 1160 at 48 Weeks Trial 1216 Trial 1160 ODEFSEY N=316 [n=235] FTC/RPV/TDF N=314 [n=245] ODEFSEY N=438 [n=295] EFV/FTC/TDF N=437 [n=308] Baseline Week 48 Baseline Week 48 Baseline Week 48 Baseline Week 48 mg/dL ChangeThe change from baseline is the mean of within-subject changes from baseline for subjects with both baseline and Week 48 values. , Subjects who received lipid-lowering agents during the treatment period were excluded. mg/dL Change , mg/dL Change , mg/dL Change , Total Cholesterol (fasted) 176 +17 171 0 193 -7 192 -3 HDL-Cholesterol (fasted) 50 +3 48 0 56 -4 55 -2 LDL-Cholesterol (fasted) 111 +13 108 +1 118[n=296] for ODEFSEY group in Study 1160 for LDL-Cholesterol (fasted) -1 119 -1 Triglycerides (fasted) 116 +12 119 -9 139 -12 133 +3 Total Cholesterol to HDL Ratio 3.7 +0.2 3.8 +0.1 3.7 +0.2 3.8 0 Adverse Reactions in Clinical Trials of RPV-Containing Regimens in Treatment-Naïve Adult Subjects with HIV-1 Infection In pooled 96-week trials of antiretroviral treatment-naïve HIV-1 infected adult subjects, the most common adverse reactions in subjects treated with RPV+FTC/TDF (N=550) (incidence greater than or equal to 2%, Grades 2−4) were headache, depressive disorders, and insomnia. The proportion of subjects who discontinued treatment with RPV+FTC/TDF due to adverse reactions, regardless of severity, was 2%. The most common adverse reactions that led to discontinuation in this treatment group were psychiatric disorders (1.6%) and rash (0.2%). Although the safety profile was similar in virologically-suppressed adults with HIV-1 infection who were switched to RPV and other antiretroviral drugs, the frequency of adverse events increased by 20% (N=317). Adverse Reactions in Clinical Trials of FTC+TAF with EVG+COBI in Treatment-Naïve Adult Subjects with HIV-1 Infection In pooled 48-week trials of antiretroviral treatment-naïve HIV-1 infected adult subjects, the most common adverse reaction in subjects treated with FTC+TAF with EVG+COBI (N=866) (incidence greater than or equal to 10%, all grades) was nausea (10%). In this treatment group, 0.9% of subjects discontinued FTC+TAF with EVG+COBI due to adverse event [see Clinical Studies (14)]. Antiretroviral treatment-naïve adult subjects treated with FTC+TAF with EVG+COBI experienced mean increases of 30 mg/dL of total cholesterol, 15 mg/dL of LDL cholesterol, 7 mg/dL of HDL cholesterol and 29 mg/dL of triglycerides after 48 weeks of use. Renal Laboratory Tests In two 48-week trials in antiretroviral treatment-naïve HIV-1 infected adults treated with FTC+TAF with EVG+COBI (N=866) with a median baseline eGFR of 115 mL per minute, mean serum creatinine increased by 0.1 mg per dL from baseline to Week 48. In a 24-week trial in adults with renal impairment (baseline eGFR 30 to 69 mL per minute) who received FTC+TAF with EVG+COBI (N=248), mean serum creatinine was 1.5 mg per dL at both baseline and Week 24. Bone Mineral Density Effects In the pooled analysis of two 48-week trials of antiretroviral treatment-naïve HIV-1 infected adult subjects, bone mineral density (BMD) from baseline to Week 48 was assessed by dual-energy X-ray absorptiometry (DXA). Mean BMD decreased from baseline to Week 48 by −1.30% with FTC+TAF with EVG+COBI at the lumbar spine and -0.66% at the total hip. BMD declines of 5% or greater at the lumbar spine were experienced by 10% of FTC+TAF with EVG+COBI subjects. BMD declines of 7% or greater at the femoral neck were experienced by 7% of FTC+TAF with EVG+COBI subjects. The long-term clinical significance of these BMD changes is not known. Adverse Reactions in Clinical Trials in Pediatric Subjects with HIV-1 Infection In an open-label 48-week trial of 36 antiretroviral treatment-naïve HIV-1 infected pediatric subjects 12 to less than 18 years old (weighing at least 32 kg) treated with 25 mg per day of RPV and other antiretrovirals, the most common adverse reactions were headache (19%), depression (19%), somnolence (14%), nausea (11%), dizziness (8%), abdominal pain (8%), vomiting (6%) and rash (6%). In a 24-week, open-label trial of 23 antiretroviral treatment-naïve HIV-1 infected pediatric subjects aged 12 to less than 18 years old (weighing at least 35 kg) who received FTC+TAF with EVG+COBI, the safety of this combination was similar to that of adults. Among these pediatric subjects, mean BMD increased from baseline to Week 24, +1.7% at the lumbar spine and +0.8% for the total body less head. Mean changes from baseline BMD Z-scores were -0.10 for lumbar spine and -0.11 for total body less head at Week 24. Two subjects had significant (greater than 4%) lumbar spine BMD loss at Week 24. 6.2 Postmarketing Experience The following adverse reactions have been identified during postmarketing experience in patients receiving RPV-containing regimens. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Metabolism and Nutrition Disorders Weight increased Skin and Subcutaneous Tissue Disorders Severe skin and hypersensitivity reactions including DRESS (Drug Reaction with Eosinophilia and Systemic Symptoms) Renal and Urinary Disorders Nephrotic syndrome

Usage information

Dosing and administration
2 DOSAGE AND ADMINISTRATION Testing: Prior to initiation of ODEFSEY, patients should be tested for hepatitis B virus infection. Assess serum creatinine, serum phosphorus, estimated creatinine clearance, urine glucose, and urine protein before initiating ODEFSEY and during therapy in all patients as clinically appropriate. (2.1) Recommended dosage: one tablet taken orally once daily with a meal. (2.2) After initiation of ODEFSEY, additional monitoring of HIV-1 RNA and regimen tolerability is recommended after replacing therapy to assess for potential virologic failure or rebound. (2.3) Renal impairment: ODEFSEY is not recommended in patients with estimated creatinine clearance below 30 mL per minute. (2.4) 2.1 Testing Prior to Initiation of ODEFSEY Prior to initiation of ODEFSEY, patients should be tested for hepatitis B virus infection [see Warnings and Precautions (5.1)]. It is recommended that serum creatinine, serum phosphorus, estimated creatinine clearance, urine glucose, and urine protein should be assessed before initiating ODEFSEY and during therapy in all patients as clinically appropriate [see Warnings and Precautions (5.8)]. 2.2 Recommended Dosage ODEFSEY is a 3-drug fixed dose combination product containing 200 mg of emtricitabine (FTC), 25 mg of rilpivirine (RPV), and 25 mg of tenofovir alafenamide (TAF). The recommended dosage of ODEFSEY is one tablet taken orally once daily with a meal in the following patient population: adults and in pediatric patients 12 years of age and older with body weight greater than or equal to 35 kg and a creatinine clearance greater than or equal to 30 mL per minute [see Clinical Pharmacology (12.3)]. 2.3 Testing After Initiation of ODEFSEY In virologically-suppressed patients, additional monitoring of HIV-1 RNA and regimen tolerability is recommended after replacing therapy to assess for potential virologic failure or rebound [see Clinical Studies (14)]. 2.4 Not Recommended in Patients with Severe Renal Impairment ODEFSEY is not recommended in patients with estimated creatinine clearance below 30 mL per minute [see Warnings and Precautions (5.8) and Use in Specific Populations (8.6)].
Use in special populations
8 USE IN SPECIFIC POPULATIONS Lactation: Women infected with HIV should be instructed not to breastfeed, due to the potential for HIV transmission. (8.2) Pediatrics: Not recommended for patients less than 12 years of age or weighing less than 35 kg. (8.4) 8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to ODEFSEY during pregnancy. Healthcare providers are encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) at 1-800-258-4263. Risk Summary There are insufficient human data on the use of ODEFSEY during pregnancy to inform a drug-associated risk of birth defects and miscarriage. Tenofovir alafenamide (TAF) use in women during pregnancy have not been evaluated; however, emtricitabine (FTC) and rilpivirine (RPV) use during pregnancy has been evaluated in a limited number of women reported to the APR. Available data from the APR show no difference in the risk of overall major birth defects for FTC and RPV compared with the background rate for major birth defects of 2.7% in a US reference population of the Metropolitan Atlanta Congenital Defects Program (MACDP). The rate of miscarriage is not reported in the APR. The estimated background rate of miscarriage in the clinically recognized pregnancies in the U.S. general population is 15–20%. Methodological limitations of the APR include the use of MACDP as the external comparator group. The MACDP population is not disease-specific, evaluates women and infants from a limited geographic area, and does not include outcomes for births that occurred at <20 weeks gestation. In animal studies, no adverse developmental effects were observed when the components of ODEFSEY were administered separately during the period of organogenesis at exposures up to 60 and 108 times (mice and rabbits, respectively; FTC), 15 and 70 times (rats and rabbits, respectively; RPV) and equal to and 53 times (rats and rabbits, respectively; TAF) the exposure at the recommended daily dose of these components in ODEFSEY [see Data (8.1)]. Likewise, no adverse developmental effects were seen when FTC was administered to mice and RPV was administered to rats through lactation at exposures up to approximately 60 and 63 times, respectively, the exposure at the recommended daily dose of these components in ODEFSEY. No adverse effects were observed in the offspring when TDF was administered through lactation at tenofovir exposures of approximately 14 times the exposure at the recommended daily dosage of ODEFSEY. Data Human Data Emtricitabine: Based on prospective reports to the APR of 3406 exposures to FTC-containing regimens during pregnancy (including 2326 exposed in the first trimester and 1080 exposed in the second/third trimester), there was no difference between FTC and overall birth defects compared with the background birth defect rate of 2.7% in the U.S. reference population of the MACDP. The prevalence of birth defects in live births was 2.3% (95% CI: 1.7% to 3.0%) with first trimester exposure to FTC-containing regimens and 2.0% (95% CI: 1.3% to 3.1%) with second/third trimester exposure to FTC-containing regimens. Rilpivirine: Based on prospective reports to the APR of 326 live births following exposures to RPV-containing regimens during pregnancy (including 202 exposed in the first trimester and 124 exposed in the second/third trimester), there was no difference in the rate of overall birth defects for RPV compared with the background rate of 2.7% for major birth defects in the U.S. reference population of the MACDP. The prevalence of birth defects in live births was 0.5% (95% CI: 0.0% to 2.7%) with first trimester exposure to RPV-containing regimens and 0.8% (95% CI: 0.0% to 4.4%) with second/third trimester exposure to RPV-containing regimens. Animal Data Emtricitabine: FTC was administered orally to pregnant mice (250, 500, or 1000 mg/kg/day) and rabbits (100, 300, or 1000 mg/kg/day) through organogenesis (on gestation days 6 through 15, and 7 through 19, respectively). No significant toxicological effects were observed in embryo-fetal toxicity studies performed with FTC in mice at exposures (AUC) approximately 60 times higher and in rabbits at approximately 108 times higher than human exposures at the recommended daily dose. In a pre/postnatal development study with FTC, mice were administered doses up to 1000 mg/kg/day; no significant adverse effects directly related to drug were observed in the offspring exposed daily from before birth (in utero) through sexual maturity at daily exposures (AUC) of approximately 60-fold higher than human exposures at the recommended daily dose. Rilpivirine: RPV was administered orally to pregnant rats (40, 120, or 400 mg/kg/day) and rabbits (5, 10, or 20 mg/kg/day) through organogenesis (on gestation days 6 through 17, and 6 through 19, respectively). No significant toxicological effects were observed in embryo-fetal toxicity studies performed with RPV in rats and rabbits at exposures 15 (rats) and 70 (rabbits) times higher than the exposure in humans at the recommended dose of 25 mg once daily. In a pre/postnatal development study with RPV, where rats were administered up to 400 mg/kg/day through lactation, no significant adverse effects directly related to drug were noted in the offspring. Tenofovir Alafenamide: TAF was administered orally to pregnant rats (25, 100, or 250 mg/kg/day) and rabbits (10, 30, or 100 mg/kg/day) through organogenesis (on gestation days 6 through 17, and 7 through 20, respectively). No adverse embryo-fetal effects were observed in rats and rabbits at TAF exposures similar to (rats) and approximately 53 (rabbits) times higher than the exposure in humans at the recommended daily dose of ODEFSEY. TAF is rapidly converted to tenofovir; the observed tenofovir exposure in rats and rabbits were 59 (rats) and 93 (rabbits) times higher than human tenofovir exposures at the recommended daily doses. Since TAF is rapidly converted to tenofovir and a lower tenofovir exposure in rats and mice was observed after TAF administration compared to tenofovir disoproxil fumarate (TDF, another prodrug for tenofovir) administration, a pre/postnatal development study in rats was conducted only with TDF. Doses up to 600 mg/kg/day were administered through lactation, no adverse effects were observed in the offspring on gestation day 7 [and lactation day 20] at tenofovir exposures of approximately 14 [21] times higher than the exposures in humans at the recommended daily dose of ODEFSEY. 8.2 Lactation Risk Summary The Centers for Disease Control and Prevention recommend that HIV-infected mothers not breastfeed their infants, to avoid risking postnatal transmission of HIV. Based on published data, FTC has been shown to be present in human breast milk; it is unknown if RPV and TAF are present in human breast milk. RPV is present in rat milk and tenofovir has been shown to be present in the milk of lactating rats and rhesus monkeys after administration of TDF [see Data]. It is unknown if TAF is present in animal milk. It is not known if ODEFSEY affects milk production or has effects on the breastfed infant. Because of the potential for (1) HIV transmission (in HIV-negative infants), (2) developing viral resistance (in HIV-positive infants), and (3) adverse reactions in a breastfed infant similar to those seen in adults, instruct mothers not to breastfeed if they are receiving ODEFSEY. Data Animal Data Rilpivirine: In animals, no studies have been conducted to assess the excretion of rilpivirine directly; however RPV was measured in rat pups which were exposed through the milk of treated dams (dosed up to 400 mg/kg/day). Tenofovir Alafenamide: Studies in rats and monkeys have demonstrated that tenofovir is secreted in milk. Tenofovir was excreted into the milk of lactating rats following oral administration of TDF (up to 600 mg/kg/day) at up to approximately 24% of the median plasma concentration in the highest dosed animals at lactation day 11 [see Data (8.1)]. Tenofovir was excreted into the milk of lactating monkeys, following a single subcutaneous (30 mg/kg) dose of tenofovir, at concentrations up to approximately 4% of plasma concentration resulting in exposure (AUC) of approximately 20% of plasma exposure. 8.4 Pediatric Use The efficacy and safety of ODEFSEY as a complete regimen for the treatment of HIV-1 infection was established in pediatric patients 12 years of age and older with body weight greater than or equal to 35 kg [see Dosage and Administration (2.2)]. Use of ODEFSEY in this age group is supported by adequate and well-controlled studies of RPV+FTC+TDF in adults with HIV-1 infection, adequate and well-controlled studies of FTC+TAF with EVG+COBI in adults with HIV-1 infection, and by the following pediatric studies [see Clinical Studies (14)]: 48-week open-label trial of 36 antiretroviral treatment-naïve HIV-1 infected pediatric subjects 12 to less than 18 years old weighing at least 32 kg treated with 25 mg per day of RPV and other antiretrovirals. The safety and efficacy of RPV and other antiretrovirals was similar to that of antiretroviral treatment-naïve HIV-1 infected adults on this regimen. 24-week open-label trial of 23 antiretroviral treatment-naïve HIV-1 infected pediatric subjects 12 to less than 18 years old (weighing at least 35 kg) treated with FTC+TAF with EVG+COBI. The safety and efficacy of FTC+TAF with EVG+COBI was similar to that of antiretroviral treatment-naïve HIV-1 infected adults on this regimen. Because it is a fixed-dose combination tablet, the dose of ODEFSEY cannot be adjusted for patients of lower age and weight. The safety and efficacy of ODEFSEY have not been established in pediatric patients less than 12 years of age or weighing less than 35 kg [see Clinical Pharmacology (12.3)]. 8.5 Geriatric Use In clinical trials, 80 of the 97 subjects enrolled aged 65 years and over received FTC+TAF with EVG+COBI. No differences in safety or efficacy have been observed between elderly subjects and those between 12 and less than 65 years of age. Clinical trials of RPV did not include sufficient numbers of subjects aged 65 years and over to determine whether they respond differently from younger subjects [see Clinical Pharmacology (12.3)]. 8.6 Renal Impairment ODEFSEY is not recommended in patients with severe renal impairment (estimated creatinine clearance below 30 mL per minute). No dosage adjustment of ODEFSEY is recommended in patients with estimated creatinine clearance greater than or equal to 30 mL per minute [see Dosage and Administration (2.2), Clinical Pharmacology (12.3) and Clinical Studies (14)]. 8.7 Hepatic Impairment No dosage adjustment of ODEFSEY is recommended in patients with mild (Child-Pugh Class A) or moderate (Child-Pugh Class B) hepatic impairment. ODEFSEY has not been studied in patients with severe hepatic impairment (Child-Pugh Class C) [see Clinical Pharmacology (12.3)].

Interactions

7 DRUG INTERACTIONS CYP3A4 inducers or inhibitors: Drugs that induce or inhibit CYP3A4 may affect the plasma concentrations of RPV. (7.1) P-glycoprotein (P-gp) inducers or inhibitors: Drugs that strongly affect P-gp activity may lead to changes in TAF absorption. (7.1) Drugs that increase gastric pH: Drugs that increase gastric pH may decrease plasma concentrations of RPV. (7.1) 7.1 Potential for Other Drugs to Affect One or More Components of ODEFSEY Drugs that Induce or Inhibit CYP3A Enzymes RPV is primarily metabolized by CYP3A, and drugs that induce or inhibit CYP3A may affect the clearance of RPV [see Clinical Pharmacology (12.3)]. Coadministration of RPV and drugs that induce CYP3A may result in decreased plasma concentrations of RPV and loss of virologic response and possible resistance to RPV or to the class of NNRTIs [see Contraindications (4), Warnings and Precautions (5.3), and Table 3]. These drugs are contraindicated and include: the anticonvulsants carbamazepine, oxcarbazepine, phenobarbital, phenytoin the antimycobacterials rifampin and rifapentine the glucocorticoid systemic dexamethasone (more than a single dose) St. John's wort (Hypericum perforatum) Coadministration of RPV and drugs that inhibit CYP3A may result in increased plasma concentrations of RPV and possible adverse events. Drugs that Induce or Inhibit P-glycoprotein TAF, a component of ODEFSEY, is a substrate of P-gp, BCRP, OATP1B1, and OATP1B3. Drugs that strongly affect P-gp and BCRP activity may lead to changes in TAF absorption (see Table 3). Drugs that induce P-gp activity are expected to decrease the absorption of TAF, resulting in decreased plasma concentration of TAF, which may lead to loss of therapeutic effect of ODEFSEY and development of resistance. Coadministration of ODEFSEY with other drugs that inhibit P-gp and BCRP may increase the absorption and plasma concentration of TAF. Drugs that Increase Gastric pH Coadministration of RPV with drugs that increase gastric pH may decrease plasma concentrations of RPV and lead to loss of virologic response and possible resistance to RPV or to the class of NNRTIs. Use of RPV with proton pump inhibitors is contraindicated and use of RPV with H2-receptor antagonists requires staggered administration (see see Contraindications (4) and Table 3). 7.2 QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between RPV and drugs that prolong the QTc interval. In a study of healthy subjects, higher than recommended doses of RPV, 75 mg once daily and 300 mg once daily (3 times and 12 times recommended daily dose in ODEFSEY) prolonged the QTc interval [see Warnings and Precautions (5.4) and Clinical Pharmacology (12.2)]. Consider alternative medications to ODEFSEY in patients taking a drug with a known risk of Torsade de Pointes. 7.3 Drugs that Affect Renal Function Because FTC and tenofovir are primarily excreted by the kidneys by a combination of glomerular filtration and active tubular secretion, coadministration of ODEFSEY with drugs that reduce renal function or compete for active tubular secretion may increase concentrations of FTC, tenofovir, and other renally eliminated drugs and this may increase the risk of adverse reactions. Some examples of drugs that are eliminated by active tubular secretion include, but are not limited to, acyclovir, cidofovir, ganciclovir, valacyclovir, valganciclovir, aminoglycosides (e.g., gentamicin), and high-dose or multiple NSAIDs [see Warnings and Precautions (5.8)]. 7.4 Established and Other Potentially Significant Drug Interactions Table 3 provides a listing of established or potentially clinically significant drug interactions with recommended steps to prevent or manage the drug interaction (the table is not all inclusive). The drug interactions described are based on studies conducted with either ODEFSEY, the components of ODEFSEY (FTC, RPV and TAF) as individual agents, or are predicted drug interactions that may occur with ODEFSEY. For pharmacokinetic data, see Tables 7–10 [see Clinical Pharmacology (12.3)]. Table 3 Established and Other Potentially SignificantThis table is not all inclusive. Drug Interactions Concomitant Drug Class: Drug Name Effect on ConcentrationIncrease=↑; Decrease=↓; No Effect=↔ Clinical Comment Antacids: antacids (e.g., aluminum, magnesium hydroxide, or calcium carbonate) ↔ RPV (antacids taken at least 2 hours before or at least 4 hours after RPV) ↓ RPV (concomitant intake) Administer antacids at least 2 hours before or at least 4 hours after ODEFSEY. Antimycobacterials: rifabutin ↓ RPVThe interaction was evaluated in a clinical study. All other drug interactions shown are predicted. ↓ TAF Coadministration of ODEFSEY with rifabutin is not recommended. Azole Antifungal Agents: fluconazole itraconazole ketoconazole posaconazole voriconazole ↑ RPV , This interaction study has been performed with a dose higher than the recommended dose for RPV. The dosing recommendation is applicable to the recommended dose of RPV 25 mg once daily. ↑ TAF ↓ ketoconazole , No dosage adjustment is required when ODEFSEY is coadministered with azole antifungal agents. Clinically monitor for breakthrough fungal infections when azole antifungals are coadministered with ODEFSEY. H2-Receptor Antagonists: cimetidine famotidine nizatidine ranitidine ↔ RPV , (famotidine taken 12 hours before RPV or 4 hours after RPV) ↓ RPV , (famotidine taken 2 hours before RPV) Administer H2-receptor antagonists at least 12 hours before or at least 4 hours after ODEFSEY. Macrolide or Ketolide Antibiotics: clarithromycin erythromycin telithromycin ↑ RPV ↔ clarithromycin ↔ erythromycin ↔ telithromycin Where possible, alternatives such as azithromycin should be considered. Narcotic Analgesics: methadone ↓ R(–) methadone ↓ S(+) methadone ↔ RPV ↔ methadone (when used with tenofovir) No dosage adjustments are required when initiating coadministration of methadone with ODEFSEY. However, clinical monitoring is recommended, as methadone maintenance therapy may need to be adjusted in some patients. 7.5 Drugs Without Clinically Significant Interactions with ODEFSEY Based on drug interaction studies conducted with the fixed dose combination or components of ODEFSEY, no clinically significant drug interactions have been either observed or expected when ODEFSEY is combined with the following drugs: acetaminophen, atorvastatin, buprenorphine, chlorzoxazone, digoxin, ethinyl estradiol, ledipasvir, lorazepam, metformin, midazolam, naloxone, norbuprenorphine, norethindrone, norgestimate/ethinyl estradiol, sildenafil, simeprevir, sofosbuvir, and velpatasvir.

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Category Value
Authorisation number NDA208351
Agency product number 212WAX8KDD
Orphan designation No
Product NDC 61958-2101
Date Last Revised 28-08-2017
Type HUMAN PRESCRIPTION DRUG
RXCUI 1741733
Storage and handling Store below 30 °C (86 °F). Keep container tightly closed. Dispense only in original container.
Marketing authorisation holder Gilead Sciences, Inc.
Warnings WARNING: POST TREATMENT ACUTE EXACERBATION OF HEPATITIS B ODEFSEY is not approved for the treatment of chronic hepatitis B virus (HBV) infection, and the safety and efficacy of ODEFSEY have not been established in patients coinfected with human immunodeficiency virus-1 (HIV-1) and HBV. 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 discontinuation of ODEFSEY. Hepatic function should be monitored closely with both clinical and laboratory follow-up for at least several months in patients who are coinfected with HIV-1 and HBV and discontinue ODEFSEY. If appropriate, initiation of anti-hepatitis B therapy may be warranted [see Warnings and Precautions (5.1)]. WARNING: POST TREATMENT ACUTE EXACERBATION OF HEPATITIS B See full prescribing information for complete boxed warning. 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 discontinuation of ODEFSEY. Hepatic function should be monitored closely in these patients. If appropriate, initiation of anti-hepatitis B therapy may be warranted. (5.1)