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Report for Clinical Trial NCT01967940

Developed by Shray Alag, 2020.
SNP Clinical Trial Gene

A Phase 3, Two-Part Study to Evaluate the Efficacy of Tenofovir Alafenamide Versus Placebo Added to a Failing Regimen Followed by Treatment With Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide Plus Atazanavir in HIV-1 Positive, Antiretroviral Treatment-Experienced Adults

The primary objective of this study is to evaluate the efficacy of tenofovir alafenamide (TAF) versus placebo, each administered with the existing, failing antiretroviral (ARV) regimen. There are 2 parts to this study: Part 1 and Part 2. Part 1 consists of 2 cohorts, starting with a sentinel cohort, in which participants will be enrolled to receive open-label TAF in addition to their current failing ARV regimen. This cohort will then be followed by a randomized, double-blind, cohort to compare the addition of TAF or placebo in HIV-1 positive adults who are failing their current ARV regimen. In Part 2, all participants who complete Part 1 of the study will discontinue their failing ARV regimen and TAF or placebo for a 14-day washout period. Following the washout period, all participants who received TAF in Part 1 and have a > 0.5 log10 decline in HIV-1 RNA will receive elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide (E/C/F/TAF) single-tablet regimen (STR) plus atazanavir (ATV) once daily for 48 weeks. Participants who received TAF who have a ≤ 0.5 log10 decline in HIV-1 RNA will be discontinued from the study and will not be eligible to continue into Part 2 of the study. All participants who received placebo in Part 1 will be eligible to participate in Part 2 regardless of their viral load change. After completion of Part 2, all participants will be eligible to continue to receive E/C/F/TAF plus ATV in the extension phase until E/C/F/TAF becomes commercially available, or until Gilead Sciences terminates development of E/C/F/TAF in the applicable country.

NCT01967940 HIV HIV Infections Acquired Immunodeficiency Syndrome
MeSH:HIV Infections Acquired Immunodeficiency Syndrome Immunologic Deficiency Syndromes
HPO:Immunodeficiency

5 Interventions

Name: TAF

Description: 25 mg tablet administered orally once daily with food
Type: Drug
Group Labels: 2

Part 1 Randomized Cohort (TAF) Part 1 Sentinel Cohort (TAF)

Name: Placebo

Description: Tablets to match TAF administered orally once daily with food
Type: Drug
Group Labels: 1

Part 1 Randomized Cohort (Placebo)

Name: E/C/F/TAF

Description: 150/150/200/10 mg STR administered orally once daily with food
Type: Drug
Group Labels: 1

Part 2 E/C/F/TAF+ATV

Name: Current failing ARV regimen

Description: Participants will continue taking their current ARV regimen as prescribed in Part 1.
Type: Drug
Group Labels: 3

Part 1 Randomized Cohort (Placebo) Part 1 Randomized Cohort (TAF) Part 1 Sentinel Cohort (TAF)

Name: ATV

Description: 300 mg tablet administered orally once daily.
Type: Drug
Group Labels: 1

Part 2 E/C/F/TAF+ATV


Primary Outcomes

Measure: Part 1: Percentage of Participants With Plasma HIV-1 RNA Decreases From Baseline Exceeding 0.5 log10 at Day 10

Time: Day 10

Secondary Outcomes

Measure: Part 1: Change From Baseline in Plasma log10 HIV-1 RNA (Copies/mL) at Day 10

Time: Baseline; Day 10

Measure: Part 2: Safety of E/C/F/TAF STR Plus ATV in Participants Who Switched From a Failing Regimen as Assessed by the Percentage of Participants Experiencing Grade 3 or 4 Laboratory Abnormalities Through Week 24

Time: Up to Week 24

Measure: Part 2: Safety of E/C/F/TAF STR Plus ATV in Participants Who Switched From a Failing Regimen as Assessed by the Percentage of Participants Experiencing Grade 3 or 4 Laboratory Abnormalities Through Week 48

Time: Up to Week 48

Measure: Part 2: Safety of E/C/F/TAF STR Plus ATV in Participants Who Switched From a Failing Regimen as Assessed by the Percentage of Participants Experiencing Any Treatment-Emergent Adverse Event Through Week 24

Time: Up to Week 24

Measure: Part 2: Safety of E/C/F/TAF STR Plus ATV in Participants Who Switched From a Failing Regimen as Assessed by the Percentage of Participants Experiencing Any Treatment-Emergent Adverse Event Through Week 48

Time: Up to Week 48

Description: The percentage of participants with HIV-1 RNA < 50 copies/mL at Week 24 was analyzed using the snapshot algorithm, which defines a participant's virologic response status using only the viral load at the predefined time point within an allowed window of time, along with study drug discontinuation status.

Measure: Part 2: Percentage of Participants With Plasma HIV-1 RNA < 50 Copies/mL as Defined by the FDA Snapshot Analysis at Week 24

Time: Week 24

Description: The percentage of participants with HIV-1 RNA < 50 copies/mL at Week 48 was analyzed using the snapshot algorithm, which defines a participant's virologic response status using only the viral load at the predefined time point within an allowed window of time, along with study drug discontinuation status.

Measure: Part 2: Percentage of Participants With Plasma HIV-1 RNA < 50 Copies/mL as Defined by the FDA Snapshot Analysis at Week 48

Time: Week 48

Description: The percentage of participants with HIV-1 RNA < 400 copies/mL at Week 24 was analyzed using the snapshot algorithm, which defines a participant's virologic response status using only the viral load at the predefined time point within an allowed window of time, along with study drug discontinuation status.

Measure: Part 2: Percentage of Participants With Plasma HIV-1 RNA < 400 Copies/mL as Defined by the FDA Snapshot Analysis at Week 24

Time: Week 24

Description: The percentage of participants with HIV-1 RNA < 400 copies/mL at Week 48 was analyzed using the snapshot algorithm, which defines a participant's virologic response status using only the viral load at the predefined time point within an allowed window of time, along with study drug discontinuation status.

Measure: Part 2: Percentage of Participants With Plasma HIV-1 RNA < 400 Copies/mL as Defined by the FDA Snapshot Analysis at Week 48

Time: Week 48

Measure: Part 2: Change From Baseline in Plasma log10 HIV-1 RNA (Copies/mL) at Week 24

Time: Baseline; Week 24

Measure: Part 2: Change From Baseline in Plasma log10 HIV-1 RNA (Copies/mL) at Week 48

Time: Baseline; Week 48

Measure: Part 2: Change From Baseline in CD4+ Cell Count at Week 24

Time: Baseline; Week 24

Measure: Part 2: Change From Baseline in CD4+ Cell Count at Week 48

Time: Baseline; Week 48

Measure: Part 2: Change From Baseline in CD4+ Percentage at Week 24

Time: Baseline; Week 24

Measure: Part 2: Change From Baseline in CD4+ Percentage at Week 48

Time: Baseline; Week 48

Purpose: Treatment

Allocation: Randomized

Parallel Assignment


There is one SNP

SNPs


1 Q151M

Key Exclusion Criteria: - A new AIDS-defining condition diagnosed within the 30 days prior to screening - Hepatitis B surface antigen (HBsAg) positive - Hepatitis C antibody positive (individuals with positive hepatitis C virus (HCV) antibody and without detectable HCV RNA are permitted to enroll) - History of integrase inhibitor use - Screening or historical genotype reports shows Q151M or T69ins or more than 3 TAMs. --- Q151M ---



HPO Nodes


HPO:
HP:0002721: Immunodeficiency
Genes 267
WHCR EPG5 CTPS1 MBTPS2 TLR3 IL2RG ISG15 CHD1 CLCA4 JAK3 PRKCD AK2 CD40LG FOXN1 NFE2L2 ATRX TNFRSF1B SKIV2L IFNGR1 TTC37 DCLRE1C TBCE BCR ZBTB24 CD3G BSCL2 SDHD XRCC4 LAMTOR2 IKZF1 AGPAT2 CTBP1 LRRC8A RAG2 ANTXR2 SLC46A1 CHD7 TINF2 CR2 IRF7 USP8 CD3E CD3D IL12B TNFRSF13C NHEJ1 IL2RG CD79B TNFSF12 EPG5 CUL4B ICOS LAT MAGT1 IL7R TBX1 TERT UNC93B1 LCK DCLRE1C MTHFD1 HIRA NSD2 CARD9 IRF8 UROS SHANK3 PIK3CD UFD1 NHP2 MYC CD81 CD79A TNFSF12 UNC119 RAG1 LRBA NCF2 LMNB2 BUB1B SEC23B FGFRL1 LYST CDCA7 BLNK RMRP FOS TCF3 RAG1 RBCK1 NFKB2 SIN3A CTLA4 JMJD1C CD81 MEIS2 PGM3 POLE IKBKG ADA IRF8 STAT1 PARN CFTR TNFRSF13C IL21R TNFRSF13B ICOS NFKB1 LIG4 CD28 SIK3 USB1 RAG1 IKBKG ADA DNMT3B RAG2 CR2 STX1A SEC24C SDHC ADA2 BTK IL2RG NCF1 FOXN1 TNFRSF13C LAMTOR2 ACTB SP110 RTEL1 SKIV2L PIK3R1 CDC42 RTEL1 CARD11 DNMT3B SDHB CDH23 HELLS PRKDC PIK3CA TYK2 AP3D1 TRAF3 FRAS1 CORO1A SPATA5 DOCK2 AKT1 RTEL1 XIAP FCGR3A TFRC ACD COMT ACP5 LETM1 RNF168 CD19 PNP POLE CHD1 RMRP AGL STAT1 ARVCF NFKB2 SH2D1A WAS NFKB1 IL21 AK2 IL2RA CDC42 GATA1 PARN ZBTB24 SMARCAL1 STIM1 TNFRSF13B NPM1 COG6 DKC1 CYBA MALT1 MS4A1 ICOS PTEN DCTN4 TINF2 DKC1 LIG4 TBX1 CR2 PRPS1 RAG1 UNG CAV1 HYOU1 RAC2 LYST IRAK4 RAB27A TNFRSF4 TGFB1 FCN3 USF3 HBB CCDC47 IFNGR2 RREB1 IRAK4 IKBKG CD19 CAVIN1 RAG2 PPARG AICDA IKBKB CD40 PGM3 PKP1 KLLN MYD88 CPLX1 EXTL3 MMUT XIAP STAT1 ORAI1 IKBKG CD19 CD247 TBK1 CYBB PIK3R1 TICAM1 CTC1 WRAP53 GP1BB TTC7A TTC7A NOP10 RNF168 BCL10 MAPK1 WIPF1 MS4A1 IL12RB1 TERC DKC1 BCL11B XRCC4 IGHM STK4 IL7R PTPRC IGLL1 CRKL IL2RB ATM IRF2BP2 GATA2 SPATA5 TERT
SNP 0