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Current and Upcoming Studies

                                                        Currently Enrolling Studies

A5314: Effect of reducing inflammation with low dose methotrexate on inflammatory markers and endothelial function in treated and suppressed HIV infection.

This study is being done to learn more about the effects of low dose methotrexate (LDMTX) on inflammation and heart health in people who have HIV infection. We want to learn if treatment with LDMTX can lower the risk of heart disease by lowering HIV-related inflammation. We also want to see how safe LDMTX is when used in people with HIV infection. We will LDMTX be measuring inflammation in the body by doing certain blood tests and by doing an ultrasound test of the artery in the upper arm.

Requirements to Enter Study:

  • Have HIV infection and be at least 40 years old
  • Be on continuous HIV treatment for the last 24 weeks with undetectable HIV viral load, and no plans to change the medications for the 36 weeks of the study
  • CD4 (immune cell) blood count 400 or higher
  • Have active heart or blood vessel disease or be at increased risk for heart disease
  • Have no chronic hepatitis B or C


A5315: A phase I/II study of single dose romidepsin in HIV infected adults with suppressed viremia on antiretroviral therapy to assess safety, tolerability and activation of HIV-1 expression.

This study is designed to look at a one-time infusion of Romidepsin (RMD) to make sure it is safe, easy to take, and to see if it can wake up the hidden or sleeping HIV virus so that it will come out of hiding and be attacked or wiped out in an attempt to decrease the HIV reservoir. Each person will go into one of three groups (depending on when you enter this study) that will be assigned to one of three doses. Each group will enroll 15 subjects: 12 will receive RMD and 3 will receive a placebo (salt water solution) that does not contain RMD. Neither you nor the study staff will know whether you will receive RMD or the placebo (salt water solution). It is important to have placebos in this study to help us better understand any changes in viral load that may be seen.

During this study, you will be seen in the clinic up to 8 times. Study staff will let you know the requirements and length of each visit.  You will be admitted to the hospital for one to two nights to measure the amount of drug in your blood over time and to measure your viral load. 

Requirements to Enter Study

  • Taking combination antiretroviral therapy (ART) that does not include a protease inhibitor (PI)
  • HIV-1 RNA (viral load) < 50 copies/ml or undetectable for past 24 months
  • CD4+cell count > 300 cells/mm3
  • Men and non-pregnant women age >18 years
  • Agree to follow birth control requirements, as needed


A5320: Viral hepatitis C infection long-term cohort study (H-HICS)

This is a five year observational study for participants who are co-infected with HIV and Hep C virus (HCV), or are mono-infected with HCV alone. Participants will begin a new Hep C treatment as part of the study (medication not provided). Blood will be collected to look at and compare the differences in each person’s HCV and genetic differences in each person that may play a role in success or failure of treatments. Questionnaires will be given to measure each person’s quality of life and how success/failure of treatment affects quality of life. This study will also help us understand how long resistance to new HCV medications lasts in a person and whether if affects future HCV treatment. 

Requirements to Enter Study:

  • HIV+/Hep C co-infected men and women who are at least 18 years of age
  • OR HCV mono-infected men and women who are at least 18 years of age
  • Completed treatment for Hep C in the last 12 months as part of a clinical trial
  • Not currently on Hep C treatment
  • Willingness to adhere to study visits twice a year AND a one-time visit prior to starting any new Hep C treatment study after V-HICS study enrollment

A5329: Interferon-Free Therapy for Chronic Hepatitis C Virus Genotype 1 Infection in Persons with HIV-1 Coinfection Receiving Concurrent Antiretroviral Therapy

This study is for people coinfected with HIV and HCV, but are HCV treatment naïve. Current treatments for HCV usually consist of a combination of drugs including interferon, but new drugs are being developed that do not contain interferon. These regimens could be useful in treating people coinfected with HIV and HCV because they do not often respond well to interferon. This purpose of this study is to test if these drugs can effectively treat HCV and if they are safe and well tolerated in people who have HIV and HCV. Study drugs will be provided and participants will be treated for 12 or 24 weeks, based on randomization.

Requirements to Enter Study:
  • HIV and HCV infected men and women between the ages of 18 and 70 (women cannot be pregnant or currently breastfeeding)
  • No HIV genotypic resistance to any ARV medications prior to study entry
  • No history of virologic failure during treatment for HIV
  • HIV-1 viral load <50 copies/mL
  • On one of the following HIV-1 ARV regimens:
  • Raltegravir (Isentress) 400mg twice a day or darunavir (Prezista) 800mg once a day administered with ritonavir (Norvir) 100mg a day AND
  • Tenofovir (Viread) plus emtricitabine (Emtriva) once a day (or Truvada) or tenofovir (Viread) plus lamivudine (Epivir) once a day 
  • CD4 cell count ≥200 BMI from ≥18 to ≤38 kg/m2
  • HCV treatment naïve, HCV viral load >10,000 IU/mL, HCV genotype 1
  • Test to classify liver disease prior to entry
  • No other causes of liver disease
  • No active depression or uncontrolled mental health disorders
A5334s: Pharmacokinetic Studies of Raltegravir and Darunavir/Ritonavir Before and During Combined Administration with ABT-40/r (ritonavir)/ABT-267, ABT-333 and Ribavirin in HIV-1/HCV Coinfected Subjects: A Substudy of A5329

The purpose of this substudy is to measure the ARVs and the HCV direct acting antivirals (DAAs) in the blood to see if the pharmacokinetics (process by which a drug is absorbed, distributed, metabolized, and eliminated by the body) change when the medications are taken together. This study will require two visits that coincide with the parent study (entry and week 4) and last 12+ hours. 

A5332: Randomized Trial to Prevent Vascular Events in HIV (REPRIEVE)

HIV causes inflammation inside the body, which can contribute to diseases such as heart disease. HIV medications can lower inflammation somewhat, but levels of inflammation can remain higher compared to people who are not infected with HIV. Statins are used to lower cholesterol and levels of triglycerides, but some clinical trials have shown that statins may have other benefits. Pitavastatin is a statin used to treat high cholesterol and lowers triglyceride levels in the blood. The purpose of this study is to see if pitavastatin can prevent heart disease and heart disease related deaths in people with HIV infection who are taking HIV medications. This is a 6 year study with participants randomized to pitavastatin or a placebo. 

Requirements to Enter Study:

  • HIV+ men and women between the ages of 40 and 75 (women cannot be pregnant)
  • On ARTs for at least 6 months prior to study entry
  • CD4+ cell count >100
  • No history of cardiovascular disease (history of heart attack, stroke, etc.)
  • No history of cancer in the last 3 years
  • Not currently using statins
A5342: A Pilot Study to Measure the Impact of a Human Monoclonal Antibody, VRC-HIVMAB060-00-AB (VRC01) on Markers of HIV Persistence in Blood in ART-treated, HIV-infected Adults

To achieve a cure for HIV, hidden infected cells must be able to be destroyed. Monoclonal antibodies have been used to treat other diseases like cancer, infections, and autoimmune disorders. This study is using a new treatment of human monoclonal antibodies (VRC-HIVAB060-00-AB, or VRC01) against the HIV virus. This particular monoclonal antibody was discovered in a person infected with HIV who was able to keep their virus under control without HIV medications. The goal of the study is to see if VRC01 is safe and well tolerated in individuals with HIV and also to see if it helps remove HIV infected cells from the body. A new test will be used to measure the amount of HIV in the T-cells. This double-blinded, 30 week study will consist of 2 groups of participants. The first group will receive VRC01 through an IV at weeks 0 and 4 and a placebo at weeks 12 and 16. The second group will receive placebo at weeks 0 and 4 and VRC01 at weeks 12 and 16. 

Requirements to Enter Study:
  • HIV infected persons between 18 and 60 years of age.
  • On HIV treatment for at least 2 years and no changes in the drug regimen for the past 90 days
  • CD4 count greater than 200
  • Undetectable HIV viral load for the past 2 years
  • No chronic Hepatitis B or Hepatitis C​


A5353: A Study to Evaluate Dolutegravir plus Lamivudine Dual Therapy for the Treatment of Naïve HIV-1 Infected Participants

A5353 is a study for people who are infected with HIV and have never taken HIV medications. Participants will receive dolutegravir (DTG) plus lamivudine (3TC) for 52 weeks. The main purpose of this study is to evaluate how well a two-drug combination of study drugs (DTG plus 3TC) will suppress HIV at 24 weeks after starting treatment. The study will also look at the safety and tolerability of this study drug combination, and factors that may affect how well it works in different individuals. 

Requirements to Enter Study:

  •  HIV-1 infected men and women at least 18 years of age

  •  Have not taken HIV medications (except for successful prevention of HIV infection)

  •  No evidence of resistance to the type of anti-HIV drugs being used in the study

  •  Have HIV viral load of at least 1000 copies/mL but less than 500,000 copies/mL

  •  No active hepatitis B infection


COPD and HIV: Immunosuppressive effects of smoking and HIV-1 on the development of lung disease

This study plans to learn more about pulmonary(lung) complications and disease in HIV/AIDS. ​The study consists of 2-4 clinic visits, with visits 2-4 testing for COPD (if not previously completed) which can include 6-minute walk, chest CT scan, lung function tests and questionnaire completion. All participants will be asked to undergo a bronchoscopy and donate a single stool sample.

Requirements to Enter Study:

  • Volunteers between the ages of 30 and 70 years old
  • Both HIV-negative and HIV-positive individuals with and without chronic obstructive pulmonary disease (COPD)
  • If HIV-positive, on a stable three-drug ART regimen with undetectable viral load for past 6 months​​​
HIV and Lipidistrophy: Factors mediating gut microbiota dysbiosis and metabolic disease in HIV patients

This study aims to determine whether the development of lipodystrophy syndrome is related to changes in the types of bacteria that live in the gut(stool) that occur in HIV-infected individuals. The study will consist of 2-3 clinic visits which will include a physical exam, screening for lipodystrophy, blood collection, and a diet questionnaire. All participants will be asked to donate a single stool sample. 

Requirements to Enter Study:
  • Non-obese HIV-positive people between the ages of 18-70
  • Exhibiting the symptoms described above, indicating the possibility of lipodystrophy


Diet Modification Study: Diet/Gut Microbiome Interaction and Influence on Inflammatory Disease in HIV Patients  

This study plans to learn more about the short-term effects of consuming either a Western-style diet or an Agrarian-style diet (a diet low in fat and high in fiber/carbohydrates) on inflammatory and metabolic markers in people with and without HIV. The study will consist of 4 clinic visits which will include a physical exam and blood collection at each visit. At entry, participants will be asked to answer two dietary questionnaires and will be randomized to a 2-week supplied diet (Agrarian vs. Western). Visit 3 will supply each participant with dietary counseling and receipes to continue study diet for the following two weeks. All participants will be asked to donate 3 stool samples. Participants have the option to undergo a flexible sigmoidoscopy/mucosal biopsy at visits 2 and 4.

Requirements to Enter Study:

  • HIV-positive and negative men and women between the ages of 18 and 65  
  • BMI between 21-29 kg/m2 (non-obese)
  • If HIV-positive, treated with ART for at least 12 months with no changes in ARVs over the past 6 months
  • If HIV-positive, plasma HIV-1 RNA ≤50 copies/mL in preceding 6 months          

Exercise for Healthy Aging in HIV-Positive and Negative Individuals

This study aims to determine the best "dose" of exercise in people aging with HIV, and whether or not the dose differs from people without HIV. Exercise sessions (cardiovascular + strength training) are 3x/week at the Anschutz Exercise Research Facility (Leprino) for 6 months.

Requirements to Enter Study:
  • ​Men and women aged 50-70
  • If HIV-positive, on ART for at least 2 years with no detectable viral load
  • If HIV-positive, CD4 count >200
  • No active Hepatitis B or C, or chronic infections
  • If diabetic, must be well-controlled on oral medications (no insulin)
  • BMI between 20 and 40
                                         Upcoming Studies for Enrollment

A5324: A Randomized, Double-Blinded, Placebo-Controlled Trial Comparing Antiretroviral Intensification with Maraviroc and Dolutegravir with No Intensification or Intensification with Dolutegravir Alone for the Treatment of Cognitive Impairment in HIV

A5324 is a study for HIV-infected individuals with undetectable HIV viral load who have mild neurocognitive impairment. Subjects will be randomized to one of three study arms to add either placebo for maraviroc (MVC) and placebo for dolutegravir (DTG) (Arm A), DTG active drug and placebo for MVC (Arm B), or MVC and DTG active drugs (Arm C) to their existing antiretroviral therapy (ART). The main purpose of the study is to see if intensification with MVC and DTG will improve neurocognitive performance and functioning in subjects who have at least mild neurocognitive impairment and have an undetectable viral load. Safety and tolerability of MVC and DTG when added to a stable ART regimen and the effect of the study drugs on markers in the blood and spinal fluid will also be studied.

Requirements to Enter Study: 
  • HIV-1 infected men and women at least 18 years of age
  • On current ART for at least 12 months 
  • Undetectable HIV viral load (<50 copies/mL) 
  • No more than one viral load between 50 and 200 copies/mL (only one “blip”) in the past 6 months 
  • At least mild HIV-associated neurocognitive impairment on neurocognitive tests done at screening 
  • Able to complete the neuropsychological tests in English
  • No medical condition not related to HIV that may cause cognitive impairment 
  • No current hepatitis C 
  • No prior or current use of any integrase inhibitor or MVC
  • No active syphilis or treatment for syphilis 
A5333s: Effects of Pitavastatin on Coronary Artery Disease and Inflammatory Biomarkers: Mechanistic Substudy of REPRIEVE

This study plans to learn more about the effects of pitavastatin on the coronary arteries and the atherosclerotic plaque within the wall of these vessels, as well as, inflammatory biomarkers amount HIV+ individuals. This is a substudy of REPRIEVE and visits will occur at same time as main study visits (entry, month 4, and month 24). 
A5336: A Randomized, Pilot Study of Ruxolitinib in Antiretroviral-Treated HIV-Infected Adults

Ruxolitinib is an FDA-approved medication to treat myelofibrosis, a disorder not related to HIV-1 infection in which bone marrow is replaced by scar (fibrosis) tissue. Many of the cytokines (regulators of the body’s reaction to infection, immune response, and inflammation) affected by myelofibrosis are also affected by HIV-1. Because ruxolitinib reduce these cytokines in people with meylofibrosis, it is proposed that it may also reduce inflammation in the bodies of people living with HIV-1 in whom the virus is suppressed by ART. Laboratory experiments have also shown that ruxolitinib may reduce the ability of HIV-1 to produce more copies of itself. This purpose of this study is to learn about the safety and tolerability of the use of ruxolitinib in people with HIV-1 infection who have an undetectable viral load. We want to learn whether ruxolitinib will decrease inflammation and immune activation in the body, whether it will affect the level of HIV in your blood, and how it interacts with ART in the blood. This is a 12 week study which will randomize participants to either 5 weeks of ruxolitinib or no study treatment. 

Requirements to Enter Study:
  • HIV+ men and women between the ages of 18 and 75
  • Be on continuous HIV-1 treatment for the last 2 years with undetectable viral load, and no plans to change medications for the duration of the study
  • CD4+ count ≥350
  • No other medical conditions or taking any medications that would be contraindicated for individuals taking study medication
A5346: Effect of Sitagliptin (Januvia) on Inflammation in Treated and Suppressed HIV Infection

HIV causes inflammation inside the body. HIV medications can reduce inflammation, but not entirely. Over time, this remaining inflammation can increase the risk for several diseases, such as heart disease, type-2 diabetes, and cancer. Many HIV researchers are studying the harmful effects of this long-term inflammation and possible ways to reduce inflammation that may prevent these complications. Sitagliptin (Januvia) is a drug used to treat increased blood sugar levels in people with type-2 diabetes. The purpose of this study is to learn more about the effects of Sitagliptin on inflammation in people living with HIV infection. We want to learn if 16 weeks of Sitagliptin treatment reduces HIV-related inflammation by measuring inflammation in the body using certain blood tests. This study is a 20 week, double-blinded study in which half of participants will receive Sitagliptin and half will receive a placebo. 

Requirements to Enter Study:
  • Have HIV infection 
  • Be on continuous HIV treatment for the last 48 weeks with undetectable HIV viral load, and no HIV medication interruption longer than 7-continous days. No change in HIV medication in last 12 weeks and no intention to change HIV medication during the study. 
  • CD4 (immune cell) blood count greater than 100. 
  • Have no active hepatitis B or C
  • Have no pancreatitis, heart failure, or kidney failure.

ANCHOR Study: Anal Cancer/HSIL Outcomes Research Study

The purpose of this study is to determine whether screening and treatments of precancerous areas of the anus can prevent anal cancer. The lesions that cause anal cancer (high-grade squamous intraepithelial lesions or HSIL) are found in at least half of HIV infected men and 20% of HIV infected women. These lesions have no symptoms. Anal cancer is more common in HIV+ people than in the general population. If caught early, anal cancer is much more easily treated and with fewer side effects. 

Requirements to Enter Study:

  • ​HIV+ men and women
  • 35 years of age or older
  • Never been vaccinated against HPV (human papillomavirus)
  • You have HSIL
  • Never been treated for anal HSIL
  • Never have had cancer of the anus, vulva, vagina, or cervix​
​A5341s – Size and Decay of HIV-1 Reservoirs in Tissues and Cerebrospinal Fluid in Participants on Long-Term Anitretroviral Therapy: A substudy of the ACTG HIV Reservoirs Cohort (AHRC) Study, A5321
A5351s – Effect of Immune-Modulatory Interventions of Cytomegalovirus Replication during Suppressive Antiretroviral Therapy (substudy of A5336)