- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01944371
Short-term Disulfiram Administration to Reverse Latent HIV Infection: a Dose Escalation Study
April 23, 2020 updated by: Steven Deeks, University of California, San Francisco
The purpose of this study is to determine the safety, pharmacology and bioactivity of disulfiram in antiretroviral treated HIV-infected adults.
The investigators primary hypothesis is that 3 days of disulfiram will result in an increase in HIV transcription in CD4+ T-cells in patients on suppressive antiretroviral therapy (ART).
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Combination antiretroviral therapy for HIV-1 infection can suppress viremia to below the detection limit in the vast majority of motivated individuals with access to these drugs.
However, HIV-1 persists in a small pool of latently infected resting memory CD4+ T cells carrying integrated viral genomes.
Although other reservoirs for HIV-1 exist, the general consensus among experts is that latent virus (HIV DNA in resting memory CD4+ T cells) is the primary barrier to HIV-1 eradication.
A widely discussed approach for eliminating this viral reservoir requires reactivation of latent HIV-1.
Disulfiram, an FDA-approved drug used to treat alcoholism was shown to activate HIV-1 gene expression in vitro, suggesting that activation of latently infected cells in vivo may occur.
Our primary hypothesis is that the addition of disulfiram to a stable effective antiretroviral drug regimen will result in a dose dependent increase in HIV transcription in CD4+ T-cells in HIV-1 in patients on highly active antiretroviral therapy (HAART).
Study Type
Interventional
Enrollment (Actual)
30
Phase
- Phase 2
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Melbourne, Australia, 3004
- Alfred Hospital
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California
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San Francisco, California, United States, 94110
- San Francisco General Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- HIV-1 infection
- Age 18 or older
- HIV plasma viral load <50 copies/ml for at least 3 years with at least one measurement per year and most recent viral load within 3 months of screening.
- Receiving combination antiretroviral therapy (at least 3 agents); subjects must be on a efavirenz-based or a ritonavir-based regimen
- Two CD4+ T cell counts greater than 350 cell/µl in the six months prior to screening
- Willing to abstain from any alcohol one day before, during the three day period in which disulfiram will be administered and the two week period immediately after disulfiram administration
Exclusion Criteria:
- Current alcohol use disorder or hazardous alcohol use
- Current use of any drug formulation that contains alcohol or that might contain alcohol, including the gelatin capsule and liquid formulations of ritonavir, ritonavir/lopinavir, amprenavir and fosamprenavir.
- Current use of tipranavir or maraviroc.
- Current use of zidovudine, stavudine or didanosine (as disulfiram potentially has potent irreversible inhibitory effects on mitochondrial metabolism and hence could exacerbate the toxicity of these drugs).
- Concurrent use of rivaroxaban ( a CYP3A metabolized medication) as the cytochrome P450 inhibitory effects of disulfiram on rivaroxaban are unknown.
- Current use of warfarin
- Patients who are intending to modify antiretroviral therapy in the next 2 weeks for any reason.
- Serious illness requiring hospitalization or parental antibiotics within preceding 3 months
- A screening hemoglobin below 12.5 g/dL
- A screening TSH consistent with Hypothyroidism
- Significant renal disease or acute nephritis
- Significant myocardial disease or diagnosed coronary artery disease
- Significant respiratory disease
- History of psychosis, seizure disorder, abnormal electroencephalogram or brain damage with significant persisting neurological deficit.
- Clinically active hepatitis as evidenced by clinical jaundice or Grade 2 or higher liver function test abnormalities.
- Hepatic cirrhosis or decompensated chronic liver disease.
- Diabetes or current hypothyroidism.
- Concurrent treatment with immunomodulatory drugs, or exposure to any immunomodulatory drug in past 16 weeks.
- Recent exposure (within the preceding 8 weeks) to any vaccine.
- Pregnant or breastfeeding women. Women of childbearing potential must have a negative serum pregnancy test at screening and agree to use a double-barrier method of contraception throughout the study period.
- Significant substance use, which in the opinion of the investigator, is likely to interfere with the conduct of the study.
- Prior or current use of disulfiram, vorinostat or other experimental agent used with the intent to perturb the HIV-1 viral reservoir
- Current use of an antiretroviral regimen which does not include either efavirenz or a protease inhibitor
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: disulfiram 500mg
500mg disulfiram by mouth per day for 3 days
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This study will provide open label disulfiram.
Subjects will take 1 dose of disulfiram per day for 3 days.
Other Names:
|
Experimental: disulfiram 1000mg
1000mg disulfiram by mouth per day for 3 days
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This study will provide open label disulfiram.
Subjects will take 1 dose of disulfiram per day for 3 days.
Other Names:
|
Experimental: disulfiram 2000mg
2000mg disulfiram per mouth per day for 3 days
|
This study will provide open label disulfiram.
Subjects will take 1 dose of disulfiram per day for 3 days.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cell-associated HIV RNA
Time Frame: Baseline and 3 days
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Fold change cell-associated HIV RNA in Total CD4 T-Cells.
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Baseline and 3 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Plasma HIV RNA
Time Frame: Baseline and 3 days
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Fold change in plasma HIV RNA levels from baseline through day 3
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Baseline and 3 days
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Proviral HIV DNA
Time Frame: Baseline and 30 days
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Fold change in HIV DNA levels between Baseline and Day 30
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Baseline and 30 days
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Disufiram Pharmacokinetics
Time Frame: 31 days
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Plasma concentrations of disulfiram were measured on dosing day 1 (hours 0, 2, and 6), day 2 (hour 0), and day 3 (hours 0, 2, and 6), as well as on postdosing days 4, 8, and 31.
The area under the curve (AUC) levels over 72 hours was estimated.
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31 days
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Steven Deeks, MD, University of Californa, San Francisco
- Principal Investigator: Julian Elliott, MD, Monash University
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
September 1, 2013
Primary Completion (Actual)
May 1, 2014
Study Completion (Actual)
May 1, 2014
Study Registration Dates
First Submitted
September 12, 2013
First Submitted That Met QC Criteria
September 16, 2013
First Posted (Estimate)
September 17, 2013
Study Record Updates
Last Update Posted (Actual)
May 5, 2020
Last Update Submitted That Met QC Criteria
April 23, 2020
Last Verified
December 1, 2018
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Slow Virus Diseases
- HIV Infections
- Acquired Immunodeficiency Syndrome
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Alcohol Deterrents
- Acetaldehyde Dehydrogenase Inhibitors
- Disulfiram
Other Study ID Numbers
- 13-10948
- DAIDS-ES ID 11864 (Other Grant/Funding Number: NIAID)
- K24AI069994 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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