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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT02499978
Other study ID # deNUC
Secondary ID
Status Withdrawn
Phase Phase 2/Phase 3
First received
Last updated
Start date May 2016
Est. completion date June 2016

Study information

Verified date October 2016
Source Stanford University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a clinical research study to see if switching to Darunavir/Cobicistat ((PREZCOBIX™, DRV/COBI ) and Dolutegrivir (Tivicay®, DTG) in HIV-infected individuals with undetectable HIV viral load on nucleos(t)ide reverse transcriptase inhibitor (NRTI)-containing therapy will be effective in maintaining virologic suppression at 48 weeks of treatment.


Description:

NRTIs have been a stalwart for treatment in both the pre- and post-ART eras. However, NRTIs have numerous toxicities partly due to the fact that they are analogs of naturally occurring nucleotides and interfere with the activity of numerous cellular functions. In highly treatment-experienced individuals with more than two active drugs in their salvage regimens, an NRTI-sparing regimen has been shown to be non-inferior to an NRTI-containing regimen [33]. However, studies with NRTI-sparing regimens not consisting of more than two active medications have generally been disappointing. One limitation of earlier NRTI-sparing regimens has been a higher pill burden than more standard regimens. However, the approvals of DTG and the co-formulated DRV/COBI, both with well-established antiviral activities, may allow for a compact, effective, NRTI-sparing regimen. A switch to DTG/DRV/COBI in virologically suppressed HIV-infected individuals has the potential to avoid NRTI-associated toxicity while maintaining virologic suppression.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date June 2016
Est. primary completion date June 2016
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. HIV-1 infection, as documented by any licensed ELISA test kit and confirmed by Western blot at any time prior to study entry. A second antibody test by a method other than ELISA is acceptable as an alternative confirmatory test or a previous detectable HIV RNA level. 2 .Age = 18 years 3. HIV-1 RNA <50 copies/mL while on a stable antiretroviral regimen for at least 6 months prior to study entry excluding blips (i.e., a single measurement <200 copies/mL preceded and followed by measurements <50 copies/mL) 4. At screening, patient on a stable antiretroviral regimen containing at least one NRTI and a PI, NNRTI, or INSTI 5. No changes in antiretroviral regimen in the six months prior to screening (except for a switch to a coformulated tablet from the component tablets) 6. A desire to switch off current antiretroviral therapy due to: a) Renal dysfunction (microalbuminuria/proteinuria or CrCl<70 mL/min/1.73 m2) on tenofovir disoproxil fumarate (TDF) of tenofovir al; b) Osteopenia or osteoporosis on a TDF-containing regimen (i.e., lowest T-score =1.0 standard deviation below the young adult mean measured by dual-energy x-ray absorptiometry); c) Peripheral neuropathy or lipoatrophy at least partially attributable to ongoing NRTI use; d) Intermediate or high Framingham risk (i.e., =10% 10-year risk) on an abacavir-containing regimen; e) Patient preference. 7. Laboratory values within six months of screening visit - Hemoglobin =8.0 g/dL - Platelet count =40,000/mm3 - AST, ALT, and alkaline phosphatase =5 × ULN - Total bilirubin =2.5 x ULN (except for those on atazanavir-containing regimens) - Calculated creatinine clearance (CrCl) =45 mL/min as estimated by the Cockcroft-Gault equation: For men, (140 - age in years) x (body weight in kg) ÷ (serum creatinine in mg/dL x 72) = CrCl (mL/min)* *For women, multiply the result by 0.85 = CrCl (mL/min) 8. For women of reproductive potential, negative serum or urine pregnancy test at screening and a negative urine pregnancy test at the entry visit prior to randomization and also agreeable to using a contraceptive of choice during the study period. "Women of reproductive potential" are defined as women who have not been post-menopausal for at least 24 consecutive months (i.e., who have had menses within the preceding 24 months) and have not undergone surgical sterilization (i.e., hysterectomy, bilateral oophorectomy, or tubal ligation) Exclusion Criteria: 1. Current CD4+ T-cell count <200 cells/µL 2. Current antiretroviral regimen consisting of three of more antiretroviral classes 3. History of genotypic resistance, phenotypic resistance or intolerance to either DRV or DTG. Prohibited protease mutations: V11I, V32I, L33F, I47V/A/L, I50V, I54T/S/L/M, T74P, L76V, V82F, I84V, or L89V Prohibited INSTI mutations: E92Q, E92K/A, G140S/A/C, Q148H/R/K or Q148 substitution plus any of the following: L74I/M, E138A/D/K/T, G140A/S, Y143H/R, E157Q, G163E/K/Q/R/S, or G193E/R. 4. History of virologic failure while on an INSTI prior to study enrollment 5. Severe hepatic impairment (Child Pugh Class C) 6. Hepatitis B Surface Antigen Positive 7. Breastfeeding, pregnancy, or plans to become pregnant during the study 8. Known allergy/sensitivity to any study drug or their formulations. 9. Receipt or planned receipt of prohibited concomitant medications (See section 5.2.1) 10. Active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study procedures and treatment. 11. Serious medical illness that, in the opinion of the site investigator, precludes safe participation in the study.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Darunavir/Cobicistat
Fixed dose combination medication
Dolutegravir
single tablet medication

Locations

Country Name City State
United States University of Colorado Aurora Colorado
United States Stanford Univerity Stanford California

Sponsors (3)

Lead Sponsor Collaborator
Stanford University Janssen Scientific Affairs, LLC, University of Colorado, Denver

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Virologic suppression (24 weeks) Compare between arms the proportion of patients maintaining virologic suppression (i.e., no confirmed HIV RNA levels =200 copies/mL) at Week 24 24 weeks
Secondary Virologic Suppression (48 weeks) Evaluate the proportion of participants who maintain virologic suppression 24 weeks post-switch (i.e. at 24 weeks in the immediate switch arm and at 48 weeks in the delayed switch arm) 48 weeks
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