Part A: Drug Interaction Study of Sofosbuvir and Antiretroviral Therapy (ART) Combinations in HIV and Hepatitis C Virus (HCV) Co-infected Patients. Part B: Efficacy and Safety of Sofosbuvir for 12 Weeks in HIV/HCV Co-infected Patients.
Part A: Drug Interaction Study Between GS-7977 and Antiretroviral Therapy (ARV) Combinations of Efavirenz, Tenofovir and Emtricitabine; Efavirenz, Zidovudine and Lamivudine; Atazanavir/Ritonavir, Tenofovir and Emtricitabine; Darunavir/Ritonavir, Tenofovir and Emtricitabine; Raltegravir, Tenofovir and Emtricitabine in Human Immunodeficiency Virus and Hepatitis C Virus (HIV/HCV) Co-infected Patients. Part B: A Phase 2, Open-Label Study to Investigate the Efficacy and Safety of GS-7977 With Peginterferon Alfa 2a and Ribavirin for 12 Weeks in Treatment-Naïve HIV/HCV Co-infected Patients.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 2
- Fase 1
Kontakter og lokationer
Studiesteder
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San Juan, Puerto Rico, 00927
- Fundacion De Investigacion de Diego
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Healthy according to medical history and physical examination with exception of HCV and HIV diagnoses
- Confirmation of Chronic HCV infection
- Confirmation of Chronic HIV-1 infection
- On a stable protocol approved HIV antiretroviral (ARV) regimen with undetectable HIV-RNA
- Agree to use two forms of highly effective contraception for the duration of the study and 6 months after the last dose of study medication
- Subjects must be naive to treatment for chronic HCV infection
Exclusion Criteria:
- Known or suspected cirrhosis
- History of any other clinically significant chronic liver disease
- A history consistent with decompensated liver disease.
- Use of any prohibited medications as defined by the protocol
- Pregnant or nursing female or male with pregnant female partner
- Contraindication to PEG or RBV therapy (for Part B)
- Clinically relevant drug or alcohol abuse
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Eksperimentel: Part A: SOF+EFV/FTC/TDF (Cohort 1)
Participants with a prestudy regimen of EFV/FTC/TDF will receive SOF+EFV/FTC/TDF FDC for 7 days, followed by EFV/FTC/TDF FDC (or EFV+FTC/TDF) for 7 days, coadministered once daily in the evening under fasting conditions.
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Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
Efavirenz (EFV) 600 mg/emtricitabine (FTC) 200 mg/tenofovir disoproxil fumarate (TDF) 300 mg fixed-dose combination (FDC) tablet administered orally once daily
Andre navne:
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Eksperimentel: Part A: SOF+EFV+ZDV/3TC (Cohort 2)
Participants with a prestudy regimen of EFV+ZDV/3TC will receive SOF+EFV+ZDV/3TC for 7 days followed by EFV+ZDV/3TC for 7 days.
Sofosbuvir and EFV will be administered once daily in the evening under fasting conditions; ZDV/3TC will be administered twice daily, in the morning without regard to food and in the evening on an empty stomach.
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Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
Efavirenz (EFV) 600 mg tablet administered orally once daily
Andre navne:
Zidovudine (ZDV) 300 mg/lamivudine (3TC) 150 mg FDC tablet administered orally twice daily
Andre navne:
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Eksperimentel: Part A: SOF+RTV+ATV+FTC/TDF (Cohort 3)
Participants with a prestudy regimen of RTV+ATV+FTC/TDF will receive SOF+RTV+ATV+FTC/TDF for 7 days followed by RTV+ATV+FTC/TDF for 7 days coadministered once daily in the morning with food.
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Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
Atazanavir (ATV) 400 mg tablet administered orally once daily
Ritonavir (RTV) 100 mg tablet administered orally once daily
FTC/TDF (200/300 mg) FDC tablet administered orally once daily
Andre navne:
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Eksperimentel: Part A: SOF+RTV+DRV+FTC/TDF (Cohort 4)
Participants with a prestudy regimen of RTV+DRV+FTC/TDF will receive SOF+RTV+DRV+FTC/TDF for 7 days followed by RTV+DRV+FTC/TDF for 7 days coadministered once daily in the morning with food.
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Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
Ritonavir (RTV) 100 mg tablet administered orally once daily
FTC/TDF (200/300 mg) FDC tablet administered orally once daily
Andre navne:
Darunavir (DRV) 800 mg (2 × 400 mg tablets) administered orally once daily
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Eksperimentel: Part A: SOF+RAL+FTC/TDF (Cohort 5)
Participants with a prestudy regimen of RAL+FTC/TDF will receive SOF+RAL+FTC/TDF for 7 days followed by RAL+FTC/TDF for 7 days.
Sofosbuvir and FTC/TDF will be administered once daily in the morning with food; RAL will be administered twice daily, in the morning with food and in the evening without regard to food.
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Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
FTC/TDF (200/300 mg) FDC tablet administered orally once daily
Andre navne:
Raltegravir (RAL) 400 mg administered administered orally twice daily
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Eksperimentel: Part B: SOF+PEG+RBV
Participants will receive SOF+PEG+RBV for 12 weeks.
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Ribavirin (RBV) tabletter indgivet oralt i en opdelt daglig dosis i henhold til indlægssedlens vægtbaserede doseringsanbefalinger (< 75 kg = 1000 mg og ≥ 75 kg = 1200 mg)
Andre navne:
Sofosbuvir (SOF) 400 mg (1 × 400 mg tablet or 2 × 200 mg tablets) administered orally once daily
Andre navne:
Pegylated interferon alfa (PEG) 180 μg administered once weekly by subcutaneous injection
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Hyppighed af uønskede hændelser, der fører til permanent afbrydelse af undersøgelsesmedicin(er)
Tidsramme: Op til 12 uger
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Procentdelen af deltagere, der afbrød et hvilket som helst forsøgslægemiddel på grund af en uønsket hændelse, blev opsummeret.
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Op til 12 uger
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Part A: Plasma Pharmacokinetics of SOF, EFV, Tenofovir (TFV), and FTC: AUCtau at Day 7
Tidsramme: Pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 hours postdose
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AUCtau: concentration of drug over time (area under the plasma concentration versus time curve over the dosing interval). Data for this outcome measure were collected for participants in Part A only. |
Pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 hours postdose
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Part A: Plasma Pharmacokinetics of SOF, EFV, TFV, and FTC: Cmax at Day 7
Tidsramme: Pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 hours postdose
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Cmax: maximum observed concentration of drug in plasma. Data for this outcome measure were collected for participants in Part A only. |
Pre-dose and 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 hours postdose
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Part B: Percentage of Participants With Sustained Virologic Response (SVR) at 12 Weeks After Discontinuation of Therapy (SVR12)
Tidsramme: Posttreatment Week 12
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SVR12 was defined as HCV RNA < the lower limit of quantitation (LLOQ; ie, 25 IU/mL) at 12 weeks after stopping study treatment. Data for this outcome measure were collected for participants in Part B only. |
Posttreatment Week 12
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Part B: Percentage of Participants With Sustained Virologic Response at 4 and 24 Weeks After Discontinuation of Therapy (SVR4 and SVR24)
Tidsramme: Posttreatment Weeks 4 and 24
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SVR4 and SVR24 was defined as HCV RNA < LLOQ at 4 and 24 weeks following the last dose of study drug, respectively. Data for this outcome measure were collected for participants in Part B only. |
Posttreatment Weeks 4 and 24
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Part B: Percentage of Participants Experiencing Viral Breakthrough or Viral Relapse
Tidsramme: Posttreatment Weeks 4 and 24
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Viral breakthrough was defined as having confirmed detectable HCV RNA levels (HCV RNA > LLOQ) on treatment after having previously had undetectable HCV RNA levels (HCV RNA < LLOQ) while on treatment. Viral relapse was defined as having achieved undetectable HCV RNA levels (HCV RNA < LLOQ) at end of treatment, but did not achieve an SVR. Data for this outcome measure were collected for participants in Part B only. |
Posttreatment Weeks 4 and 24
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Andre resultatmål
Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Part B: On-treatment HCV RNA
Tidsramme: Up to 8 weeks
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Data for this outcome measure were collected for participants in Part B only.
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Up to 8 weeks
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Part B: On-treatment HIV RNA
Tidsramme: Up to 8 weeks
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Data for this outcome measure were collected for participants in Part B only.
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Up to 8 weeks
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: Anuj Gaggar, MD/PhD, Gilead Sciences
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Sygdomme i fordøjelsessystemet
- RNA-virusinfektioner
- Virussygdomme
- Infektioner
- Blodbårne infektioner
- Overførbare sygdomme
- Leversygdomme
- Flaviviridae infektioner
- Hepatitis, viral, menneskelig
- Enterovirus infektioner
- Picornaviridae infektioner
- Hepatitis
- Hepatitis A
- Hepatitis C
- Molekylære mekanismer for farmakologisk virkning
- Anti-infektionsmidler
- Antivirale midler
- Enzymhæmmere
- Anti-HIV-midler
- Anti-retrovirale midler
- Antimetabolitter
- Proteasehæmmere
- Cytokrom P-450 CYP3A-hæmmere
- Cytokrom P-450 enzymhæmmere
- HIV-proteasehæmmere
- Virale proteasehæmmere
- Ribavirin
- Ritonavir
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- P7977-1910
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