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Emtricitabine/Tenofovir Alafenamide

Phase 1

Healthy | Small molecule | Other |Johnson & Johnson|Last Updated: Feb 3, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLEDBiomarker
Total Trials3
Total Enrollment235
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04661397A Study in Healthy Participants to Assess the Effect of Darunavir, Emtricitabine, and Tenofovir Alafenamide in the Presence of Cobicistat as Fixed Dose Combination (Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide) Compared With Co-administration of the Separate AgentsPHASE1 COMPLETED 37Jan 5, 2021Jul 2, 2021Feb 3, 20251 Netherlands
NCT02578550A Bioequivalence Study of Darunavir, Emtricitabine, and Tenofovir Alafenamide, in the Presence of Cobicistat in Healthy ParticipantsPHASE1 COMPLETED 126Nov 1, 2015Feb 1, 2016Feb 3, 20251 Netherlands
NCT02475135Relative Bioavailability and Food Effect for Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide Fixed Dose CombinationPHASE1 COMPLETED 72Jun 1, 2015Aug 14, 2015Oct 17, 20171 Belgium
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Study Endpoints
Primary Endpoints
Maximum Observed Analyte Concentration (Cmax) of Darunavir, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose

Cmax is the maximum observed analyte concentration.

Area Under the Analyte Concentration-time Curve from time Zero to Last Quantifiable time (AUC[0-last]) of Darunavir, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose

AUC(0-last) is the area under the analyte concentration-time curve from time zero to the time of the last measurable (non-below quantification limit \[non-BQL\]) concentration, calculated by linear-linear trapezoidal summation.

Maximum Observed Plasma Concentration (Cmax) of Darunavir, Cobicistat, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose

The Cmax is the maximum observed plasma concentration.

Area Under the Plasma Concentration-Time Curve From Time Zero to Last Quantifiable Time (AUC [0-last]) of Darunavir, Cobicistat, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose

The AUC (0-last) is the area under the plasma concentration-time curve from time zero to last quantifiable time.

Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC[0-infinity]) of Darunavir, Cobicistat, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose

The AUC (0-infinity) is the area under the plasma concentration-time curve from time zero to infinite time, calculated as the sum of AUC(last) and C(last)/lambda(z); wherein AUC(last) is area under the plasma concentration-time curve from time zero to last quantifiable time, C(last) is the last observed quantifiable concentration, and lambda(z) is elimination rate constant.

Maximum Observed Plasma Concentration (Cmax) of Darunavir (DRV), cobicistat (COBI), Emtricitabine (FTC) and Tenofovir Alafenamide (TAF)
Up to 72 Hours after study drug administration

The Cmax is the maximum observed plasma concentration.

Area Under the Plasma Concentration-Time Curve From Time Zero to Last Quantifiable Time (AUC [0-last]) of Darunavir (DRV), cobicistat (COBI), Emtricitabine (FTC) and Tenofovir Alafenamide (TAF)
Up to 72 Hours after study drug administration

The AUC (0-last) is the area under the plasma concentration-time curve from time zero to last quantifiable time.

Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC[0-infinity]) of Darunavir (DRV), cobicistat (COBI), Emtricitabine (FTC) and Tenofovir Alafenamide (TAF)
Up to 72 Hours after study drug administration

The AUC (0-infinity) is the area under the plasma concentration-time curve from time zero to infinite time, calculated as the sum of AUC(last) and C(last)/lambda(z); wherein AUC(last) is area under the plasma concentration-time curve from time zero to last quantifiable time, C(last) is the last observed quantifiable concentration, and lambda(z) is elimination rate constant.

Secondary Endpoints
Area Under the Analyte Concentration-time Curve From Time Zero to Infinite Time (AUC[0-infinity]) of Darunavir, Cobicistat, Emtricitabine and Tenofovir Alafenamide
Up to 72 hours post-dose
Cmax of Cobicistat
Up to 72 hours post-dose
AUC(0-last) of Cobicistat
Up to 72 hours post-dose
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeOTHER
Treatment Arms
ArmTypeDescription
Treatment AEXPERIMENTALParticipants will receive Treatment A (a single dose of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide \[D/C/F/TAF\] as one fixed dose combination \[FDC\] tablet under fed condition on Day 1) as per assigned treatment sequence (Treatment sequence ABBA or BAAB). A wash out period of at least 7 days will be maintained between each treatment period.
Treatment BACTIVE_COMPARATORParticipants will receive Treatment B (a single dose of Darunavir \[DRV\], Emtricitabine/Tenofovir Alafenamide \[F/TAF\] and Cobicistat \[COBI\] tablet under fed condition on Day 1) as per assigned treatment sequence (Treatment sequence ABBA or BAAB). A washout period of at least 7 days will be maintained between each treatment period.
Treatment Sequence (AB)EXPERIMENTALParticipant will receive a single oral tablet of darunavir (DRV) 800 milligram (mg)/ cobicistat (COBI) 150 mg/ emtricitabine (FTC) 200 mg/ tenofovir alafenamide (TAF) 10 mg (D/C/F/TAF fixed dose combination \[FDC\]) (Treatment A) in period 1, then 1 tablet of DRV 800 mg + 1 tablet of COBI 150 mg + 1 tablet of FTC/TAF 200/10 mg FDC (Treatment B) in period 2
Treatment Sequence (BA)EXPERIMENTALParticipant will receive 1 tablet of DRV 800 mg + 1 tablet of COBI 150 mg + 1 tablet of FTC/TAF 200/10 mg FDC (Treatment B) in period 1, then a single oral tablet of D/C/F/TAF (800/150/200/10 mg) FDC (Treatment A) in period 2
Panel 1: Group 1EXPERIMENTALSubject will receive a single oral tablet of fixed dose combination (FDC) containing darunavir (DRV)/ cobicistat (COBI)/emtricitabine (FTC) /tenofovir alafenamide (TAF) (D/C/F/TAF) under fed conditions (standardized regular breakfast, test Panel 1) on Day 1 of treatment period 1 and by FDC of elvitegravir (EVG)/cobicistat (COBI)/emtricitabine (FTC)/ tenofovir alafenamide (TAF) (E/C/F/TAF) under fed conditions (standardized regular breakfast, reference Panel 1) on Day 1 of treatment period 2.
Panel 1: Group 2EXPERIMENTALSubject will receive a single oral tablet of FDC containing E/C/F/TAF under fed conditions (standardized regular breakfast, reference Panel 1) on Day 1 of treatment period 1 and a single oral tablet of FDC containing D/C/F/TAF under fed conditions (standardized regular breakfast, test Panel 1) on Day 1 of treatment period 2.
Panel 2: Group 1EXPERIMENTALSubject will receive a single oral tablet of D/C/F/TAF under fed conditions (standardized regular breakfast, test Panel 2) on Day 1 of treatment period 1 and a single oral tablet of DRV, a tablet of emtricitabine/ tenofovir alafenamide (FTC/TAF) and a tablet of COBI under fed conditions (standardized regular breakfast, reference Panel 2) on Day 1 of treatment period 2.
Panel 2: Group 2EXPERIMENTALSubject will receive a single oral tablet of DRV, a tablet of FTC/TAF and a tablet of COBI under fed conditions (standardized regular breakfast, reference Panel 2) on Day 1 of treatment period 2 and a single oral tablet of D/C/F/TAF under fed conditions (standardized regular breakfast, test Panel 2) on Day 1 of treatment period 2.
Panel 3: Group 1EXPERIMENTALSubject will receive a single oral tablet of D/C/F/TAF under fasted conditions (test Panel 3) on Day 1 of treatment period 1 and a single oral tablet of D/C/F/TAF with a standardized high-fat breakfast (reference Panel 3) on Day 1 of treatment period 2.
Panel 3: Group 2EXPERIMENTALSubject will receive a single oral tablet of D/C/F/TAF with a standardized high-fat breakfast (reference Panel 3) on Day 1 of treatment period 1 followed by a single oral tablet of D/C/F/TAF under fasted conditions (test Panel 3) on Day 1 of treatment period 2.
Interventions
NameTypeDescription
Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide FDCDRUGParticipants will receive a single dose of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide FDC tablet orally as per assigned treatment sequence.
DarunavirDRUGParticipants will receive a single dose of Darunavir orally as per assigned treatment sequence.
Emtricitabine/Tenofovir AlafenamideDRUGParticipants will receive a single dose of Emtricitabine/Tenofovir Alafenamide tablet orally as per assigned treatment sequence.
CobicistatDRUGParticipant will receive a single dose of Cobicistat tablet orally as per assigned treatment sequence.
Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide fixed-dose combination (FDC)DRUGA single tablet containing DRV 800 mg, COBI 150 mg, FTC 200 mg and TAF 10 mg will be administered.
Emtricitabine/tenofovir alafenamide FDCDRUGA single tablet containing FTC 200 mg and TAF 10 mg will be administered.
Elvitegravir /Cobicistat/Emtricitabine/Tenofovir alafenamide FDCDRUGA tablet containing EVG 150 mg, COBI 150 mg, FTC 200 mg and TAF 10 mg as FDC will be administered.
Emtricitabine/Tenofovir alafenamide (FTC/TAF)DRUGA tablet containing Emtricitabine (FTC) 200 mg and Tenofovir alafenamide (TAF) 10 mg will be administered.
High-fat BreakfastOTHERHigh-fat breakfast will be administered.
Standardized Regular BreakfastOTHERStandardized regular breakfast will administered.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Must have a body mass index (BMI = weight/height\^2) between 18.5 and 30.0 kilogram per meter square (kg/m\^2) (extremes included), and body weight not less than 50 kilogram (kg) * Must be healthy on the basis of physical examination, medical history, vital signs, and electroc...

Countries:NetherlandsBelgium
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