HIV InfectionsPhase 2NCT00056797
Therapeutic HIV Vaccine and Interleukin-2 to Increase the Immune System's Response to HIV
A Phase 2 study testing ALVAC HIV vaccine (vCP1452) and Interleukin-2 in people with HIV Infections, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
Trial summary
This study will evaluate whether the HIV vaccine ALVAC vCP1452 given in combination with interleukin-2 (IL-2), also known as aldesleukin, can increase immune system function in people with HIV infection. Read more about this study
- Who is it for?
- Ages 18 to 65 years
- Conditions the study is for
- HIV Infections
- What is being tested?
- ALVAC HIV vaccine (vCP1452) and Interleukin-2
- Type of treatment
- Vaccines
- How many people
- 92 participants
- Where
- 1 siteUnited States
- Study dates
- Mar 2002to Mar 2006
- Phase
- Phase 2
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- HIV infected
- Stable HAART, defined as two or more antiretroviral drugs in combination. Changes in drugs are allowed if for any reason other than virologic failure.
- CD4 cell count > 200 cells/ml for the 12 months prior to enrollment
- CD4 cell count >= 400 cells/ml on two successive occasions at least 14 days apart within 30 days of study entry
- HIV RNA < 2 million copies/ml, with suppression on HAART to < 50 copies/ml on two successive occasions at least 14 days apart within 30 days of entry
- Acceptable methods of contraception
Who cannot join
- Current AIDS-defining illness
- Virologic failure (HIV RNA > 10,000 copies/ml) while receiving current HAART regimen
- Immunomodulating agents, including interleukins; antibodies reactive with lymphocytes, monocytes, or antigen presenting cells; and polyribonucleotides
- IL-2 therapy within 4 weeks of study entry
- Uncontrolled active cardiac, renal, pulmonary, hepatic, or CNS disease
- History of active malignancy requiring chemotherapy
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- History of thyroid disease or autoimmune disorders, including asthma, inflammatory bowel disease, rheumatoid arthritis, and psoriasis
- Active infection with hepatitis B virus or hepatitis C virus
- Severe retinopathy due to diabetes, hypertension, CMV, or macular degeneration
- Serious infection or other serious medical illness that is potentially life threatening and requires systemic therapy and/or hospitalization within 14 days of study entry
- Substance abuse that will compromise the participant's ability to adhere to the study requirements
- Current alcohol use of more than 1 drink/day any time during 6 months prior to study entry. One drink is defined as 12 ounces of beer, 5 ounces of wine, or 1.25 ounces of hard liquor.
- History of allergy to eggs, IL-2, or other components of the vaccine or IL-2 formulation
- Pregnant or breast-feeding
- Professionals working in close contact with canaries (e.g., breeding farms, bird shops)
Trial locations and contacts
1 site in 1 country.
United States1 site
NY Presbyterian Weill Cornell Medical Center
New York, New York, 10021
About this study
Official title: A Randomized Controlled Study Testing the Efficacy of Immunotherapies to Control Plasma HIV RNA Concentrations Upon Interruption of Highly Active Antiretroviral Therapy (HAART).
This study will evaluate whether the HIV vaccine ALVAC vCP1452 given in combination with interleukin-2 (IL-2), also known as aldesleukin, can increase immune system function in people with HIV infection.
Read the detailed description
While the advent of highly active antiretroviral therapy (HAART) has contributed to the increasing control of HIV infection and viral replication, ultimate control of HIV infection will require the development of effective HIV-specific immunity in HIV infected individuals.
This trial will evaluate the use of the ALVAC vCP1452 vaccine in combination with IL-2 to increase HIV-specific immune responses in HIV infected patients. ALVAC vCP1452 vaccine is a recombinant canarypox HIV vaccine that is administered as a monthly intramuscular injection. The IL-2 is self administered as a daily subcutaneous injection at a low, non-toxic dose (2 million units).
Participants in this study are randomized to receive either ALVAC and IL-2 or placebo for the first 3 months of the study. During this time, participants will continue on their current antiretroviral medications and have monthly study visits. Study visits will include a brief medical interview and physical exam, administration of the vaccine, and blood tests. At the end of 3 months, participants will discontinue both their study medications (IL-2 and ALVAC or placebo) and their antiretroviral medications. This Diagnostic Treatment Interruption (DTI) will continue for a minimum of 3 months. During the DTI, participants will have weekly study visits in which viral and lymphocyte dynamics are monitored.
- Conditions
- HIV Infections
- Being tested
- ALVAC HIV vaccine (vCP1452), Interleukin-2
- Keywords
- HIV Therapeutic vaccine, IL-2, Structured Treatment Interruption, Treatment Experienced
- Medical subject headings
- HIV Infections
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ALVAC HIV vaccine (vCP1452)Biological
Interleukin-2Drug
What is being measured
The primary outcome is the main question the study is designed to answer.
Mean log10 viral load for each experimental group from the average of 5 values obtained during Weeks 21 to 25, corresponding to 8 to 12 weeks following the interruption of HAART
Secondary outcomes (3)
Proportion of subjects who relapse during the first 12 weeks following cessation of HAART
length of time to the termination of Step II
changes in frequency, activation state, and HIV-specific functional capacity of T cells and NK cells in blood, as monitored by the expression of intracellular cytokines during the first 12 weeks after cessation of HAART
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted25 Mar 2003 (estimated)
- Study startMar 2002
- Primary completionMar 2006
- Study completionMar 2006
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for HIV InfectionsStudies of the same condition, open and under way.
- More trials run by National Institute of Allergy and Infectious Diseases (NIAID)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Factorial
- Masking
- Single blind
- Enrolment
- 92 participants
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Investigators
- Kendall A. Smith, MD, Principal investigator, Weill Medical College of Cornell University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00056797
- Sponsor's protocol ID
- 1R01AI051181-01A1
- Other IDs
- 0900-397, 1R01AI051181-01A1
- Status last verified
- Jul 2007
- First submitted
- 24 Mar 2003
- Last updated
- 14 Dec 2016
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 14 Dec 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized Controlled Study Testing the Efficacy of Immunotherapies to Control Plasma HIV RNA Concentrations Upon Interruption of Highly Active Antiretroviral Therapy (HAART).
- ClinicalTrials.gov ID
- NCT00056797
- Acronym / sponsor ID
- 1R01AI051181-01A1
- Conditions
- HIV Infections
- Keywords
- HIV Therapeutic vaccine, IL-2, Structured Treatment Interruption, Treatment Experienced
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 92 participants
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)US National Institutes of Health
- Study start
- Mar 2002
- Primary completion
- Mar 2006 (actual)
- Study completion
- Mar 2006 (actual)
- First posted
- 25 Mar 2003 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study will evaluate whether the HIV vaccine ALVAC vCP1452 given in combination with interleukin-2 (IL-2), also known as aldesleukin, can increase immune system function in people with HIV infection.
Detailed description
While the advent of highly active antiretroviral therapy (HAART) has contributed to the increasing control of HIV infection and viral replication, ultimate control of HIV infection will require the development of effective HIV-specific immunity in HIV infected individuals.
This trial will evaluate the use of the ALVAC vCP1452 vaccine in combination with IL-2 to increase HIV-specific immune responses in HIV infected patients. ALVAC vCP1452 vaccine is a recombinant canarypox HIV vaccine that is administered as a monthly intramuscular injection. The IL-2 is self administered as a daily subcutaneous injection at a low, non-toxic dose (2 million units).
Participants in this study are randomized to receive either ALVAC and IL-2 or placebo for the first 3 months of the study. During this time, participants will continue on their current antiretroviral medications and have monthly study visits. Study visits will include a brief medical interview and physical exam, administration of the vaccine, and blood tests. At the end of 3 months, participants will discontinue both their study medications (IL-2 and ALVAC or placebo) and their antiretroviral medications. This Diagnostic Treatment Interruption (DTI) will continue for a minimum of 3 months. During the DTI, participants will have weekly study visits in which viral and lymphocyte dynamics are monitored.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Factorial
- Masking
- Single blind
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- HIV infected
- Stable HAART, defined as two or more antiretroviral drugs in combination. Changes in drugs are allowed if for any reason other than virologic failure.
- CD4 cell count > 200 cells/ml for the 12 months prior to enrollment
- CD4 cell count >= 400 cells/ml on two successive occasions at least 14 days apart within 30 days of study entry
- HIV RNA < 2 million copies/ml, with suppression on HAART to < 50 copies/ml on two successive occasions at least 14 days apart within 30 days of entry
Key exclusion criteria (15 listed)
- Current AIDS-defining illness
- Virologic failure (HIV RNA > 10,000 copies/ml) while receiving current HAART regimen
- Immunomodulating agents, including interleukins; antibodies reactive with lymphocytes, monocytes, or antigen presenting cells; and polyribonucleotides
- IL-2 therapy within 4 weeks of study entry
- Uncontrolled active cardiac, renal, pulmonary, hepatic, or CNS disease
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| ALVAC HIV vaccine (vCP1452) | Biological | – |
| Interleukin-2 | Drug | – |
Primary outcome
Mean log10 viral load for each experimental group from the average of 5 values obtained during Weeks 21 to 25, corresponding to 8 to 12 weeks following the interruption of HAART
3 secondary outcomes
Proportion of subjects who relapse during the first 12 weeks following cessation of HAART
length of time to the termination of Step II
changes in frequency, activation state, and HIV-specific functional capacity of T cells and NK cells in blood, as monitored by the expression of intracellular cytokines during the first 12 weeks after cessation of HAART
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Dec 2016.
- Click here for more information about Dr. Kendall Smith's HIV and HCV Interleukin 2 Resource SiteLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Kendall A. Smith, MD principal investigator
Weill Medical College of Cornell University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing ALVAC HIV vaccine (vCP1452) and Interleukin-2 in people with HIV Infections, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 14 Dec 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Mean log10 viral load for each experimental group from the average of 5 values obtained during Weeks 21 to 25, corresponding to 8 to 12 weeks following the interruption of HAART. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Dec 2016.