Safety of and Immune Response to a Modified Vaccinia Ankara (MVA) HIV Vaccine in HIV Uninfected Adults

A Phase I Double-Blind, Randomized, Dose Escalating, Placebo-Controlled, Study of Safety and Immunogenicity of WRAIR/NIH Live Recombinant MVA-CMDR (HIV-1 CM235 Env/ CM240 Gag/Pol) Administered by Intramuscular (IM) or Intradermal (ID) Route In HIV-Uninfected Adults

The purpose of this study is to determine the safety and the immune responses to the HIV vaccine candidate, MVA-CMDR. This vaccine was designed to induce immune responses to three HIV "passenger" genes encoded with the viral vector, MVA.

Study Overview

Study Type

Interventional

Enrollment (Actual)

48

Phase

  • 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

    • Maryland
      • Rockville, Maryland, United States, 20850
        • US Military HIV Research Program

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 to 40 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

A participant must meet all of the following criteria:

  • Low risk for HIV infection
  • 18 to 40 years at the time of enrollment and vaccinia naive
  • Good health
  • Availability for 12 months of participation.
  • Successful completion of the Test of Understanding
  • Able and willing to give informed consent.
  • HEMATOCRIT: WOMEN: 35 %-45 %; MEN 36 % - 49 %
  • White cell count: 3,000 - 11,000 cells/mm3
  • Platelets: 125,000 - 450,000 per mm3
  • Normal cardiac enzyme level at second Screening Visit
  • Urinalysis (UA) for protein and blood: negative or trace.
  • Normal liver function tests to include ALT/AST, alkaline phosphatase, GGT (< 1.25x institutional upper limits of normal) and CPK (< 480) and creatinine (< 1.25 mg/dL)
  • Negative serology for HIV infection
  • Any female volunteer must have a negative serum or urine pregnancy test at the screening visit as well as immediately prior to each vaccine/placebo vaccination, as well as verbal assurance that adequate birth control measures have been followed for 60 days prior to the first vaccine/placebo vaccination and will continue to be followed for at least 3months after the final vaccine/placebo vaccination. This means using any of the following methods: Birth control drugs that prevent pregnancy given by pills, shots or placed under the skin, Male or female condoms with or without a cream or gel that kills sperm, diaphragm or cervical cap with a cream or gel that kills sperm, or Abstinence

Exclusion Criteria:

A volunteer will be excluded if one or more of the following conditions apply.

A woman who:

  • Is pregnant.
  • Is breast-feeding.

Anyone who:

  • Is U.S. military personnel.
  • Acknowledges engaging in highest-risk behavior within six months of study entry
  • Has active tuberculosis or other systemic infectious process by review of systems and physical examination.
  • Has history of or known cardiac disease including any of the following: prior myocardial infarction (heart attack), angina pectoris, congestive heart failure, conduction disturbances, repolarization (ST segment or T wave) abnormalities, serious cardiac arrhythmias (ventricular tachycardia or ventricular fibrillation), cardiomyopathy, pericarditis, stroke or transient ischemic attack, chest pain or shortness of breath with activity (e.g. climbing stairs), valvular heart disease including mitral valve prolapse, or other heart conditions under the care of a doctor.
  • Has ECG on Screening Visit 2 with clinical significant findings, or features that would interfere with the assessment of myo/pericarditis (as determined by the contract ECG Lab) including any of the following: conduction disturbance (atrioventricular or intraventricular condition, left or right bundle branch block, AB block of any degree or QTc prolongation), repolarization (ST segment or T wave) abnormality, significant atrial or ventricular arrhythmia, frequent atrial or ventricular ectopy (e.g. frequent premature atrial contractions, 2 premature ventricular contractions in a row), ST elevation consistent with ischemia, or evidence of past or evolving myocardial infarction
  • Has history of seizure disorder, immunodeficiency, chronic illness, autoimmune disease, diabetes mellitus active malignancy or use of immunosuppressive medications.
  • Has evidence of psychiatric, medical and/or substance abuse problems during the past six months that the investigator believes would adversely affect the volunteer's ability to participate in the trial.
  • Has occupational or other responsibilities that would prevent completion of participation in the study.
  • Has received any live attenuated vaccine within 60 days of study entry.
  • Has used experimental therapeutic agents within 30 days of study entry.
  • Has received blood products or immunoglobulins in the past three months.
  • Has history of anaphylaxis or other serious adverse reactions to vaccines.
  • Has previously received an HIV vaccine or an MVA or vaccinia vaccine.
  • Has chronic or active Hepatitis B or Hepatitis C virus infection or active syphilis (positive RPR and FTA).
  • Has had an immediate type hypersensitivity reaction to eggs, egg products or neomycin/streptomycin (used to prepare MVA vaccine).
  • Is a study site employee.

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: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Group I Vaccine
10^7 PFU IM, 1.0 mL
10^6 PFU ID, 0.1 mL
10^8 PFU IM, 1.0 mL
10^7 PFD ID, 0.1 mL
Placebo Comparator: Group I Placebo
1.0 mL IM
0.1 mL ID
Experimental: Group II Vaccine
10^7 PFU IM, 1.0 mL
10^6 PFU ID, 0.1 mL
10^8 PFU IM, 1.0 mL
10^7 PFD ID, 0.1 mL
Placebo Comparator: Group II Placebo
1.0 mL IM
0.1 mL ID
Experimental: Group III Vaccine
10^7 PFU IM, 1.0 mL
10^6 PFU ID, 0.1 mL
10^8 PFU IM, 1.0 mL
10^7 PFD ID, 0.1 mL
Placebo Comparator: Group III Placebo
1.0 mL IM
0.1 mL ID
Experimental: Group IV Vaccine
10^7 PFU IM, 1.0 mL
10^6 PFU ID, 0.1 mL
10^8 PFU IM, 1.0 mL
10^7 PFD ID, 0.1 mL
Placebo Comparator: Group IV Placebo
1.0 mL IM
0.1 mL ID

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Safety and Tolerability
Time Frame: Study Day 0 through 8 months post-vaccination
Evaluate the safety and tolerability of MVA-CMDR (HIV-1 CM235 Env/CM240 Gag/Pol) administered by IM or ID injection to HIV uninfected adults
Study Day 0 through 8 months post-vaccination

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Immunogenicity
Time Frame: Study Day 0 through Study Day 280
Evaluate the ability of MVA-CMDR (HIV-1 CM235 Env/CM240 Gag/Pol) to induce HIV antigen specific cellular and humoral immune responses
Study Day 0 through Study Day 280

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Mary Marovich, MD, DTM&H, US Military HIV Research Program

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 (Actual)

July 1, 2005

Primary Completion (Actual)

December 1, 2008

Study Completion (Actual)

December 1, 2008

Study Registration Dates

First Submitted

September 13, 2006

First Submitted That Met QC Criteria

September 13, 2006

First Posted (Estimate)

September 14, 2006

Study Record Updates

Last Update Posted (Actual)

October 16, 2017

Last Update Submitted That Met QC Criteria

October 13, 2017

Last Verified

October 1, 2017

More Information

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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