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Study of PENNVAX™-B (Gag, Pol, Env) + Electroporation in HIV-1 Infected Adult Participants (HIV-001)

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Inovio Pharmaceuticals

Status and phase

Completed
Phase 1

Conditions

HIV-1 Infection
HIV Infections

Treatments

Biological: PENNVAX-B

Study type

Interventional

Funder types

Industry

Identifiers

NCT01082692
HIV-001

Details and patient eligibility

About

DNA vaccines consist of small pieces of DNA also known as plasmids, and have several potential advantages over traditional vaccines. Thus far, DNA vaccines appear to be well tolerated in humans. We have developed DNA vaccine, PENNVAX-B, which includes plasmids targeting the gag, pol, and env proteins of HIV-1. The vaccine will be delivered via electroporation (EP) which uses the CELLECTRA constant current device to deliver a small electric charge following injection, since animal studies have shown that this delivery method increases the immune response to vaccine. The vaccine will be given to HIV-1 infected subjects whose viral load is undetectable on a HAART regimen, with CD4 lymphocyte count above 400 cells/µL of blood. It is hypothesized that PENNVAX-B + EP will be safe and well tolerated.

Full description

A single group of approximately 12 HIV-infected subjects will receive a 4 dose series of PENNVAX-B containing 3 mg of DNA/dose at study entry (Day 0), Week 4, 8, 16 and will be followed for a total of 48 weeks.

Enrollment

12 patients

Sex

All

Ages

18 to 50 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • HIV-1 infection

  • On a stable HAART regimen for ≥3 months before the time of enrollment

  • CD4-+ lymphocyte count ≥400 cells/μL on two occasions within 60 days of enrollment

  • HIV-1 < 75 copies/mL on two occasions within 60 days of enrollment

  • Body mass index (BMI) ≤30 kg/m^2

  • Laboratory values obtained within 30 days prior to study entry:

    • Hemoglobin > 9 g/dL (female subjects) > 9.5 g/dL (male subjects)
    • Absolute neutrophil count > 1000 cells/μL
    • Platelet count > 75,000/μL
    • ALT, AST and alkaline phosphatase < 2.5 x upper limit of normal range
    • Total bilirubin < 2.5 x upper limit of the laboratory normal range
    • Serum creatinine <1.5 mg/dL X upper limit of normal (ULN)
  • Female subjects of reproductive potential must have a negative serum pregnancy test performed within 30 days of initiating the protocol-specified vaccination and a negative urine pregnancy test at Day 0 (enrollment)

  • Ability and willingness of subject or legal guardian/representative to give written informed consent

Exclusion criteria

  • Any active or past AIDS-defining illness with the exception of minimal (less than 10 lesions) cutaneous Kaposi's sarcoma
  • History of a CD4+ T-cell count ≤200/μL
  • Grade 2 or higher CPK laboratory result
  • Use of any known immunomodulatory therapy within 4 weeks prior to study entry
  • Any malignancy requiring systemic or local toxic chemotherapy. Local radiation will be allowed
  • Pregnancy or breast-feeding
  • Uncontrolled diabetes mellitus
  • Major organ transplantation
  • Active alcohol or substance abuse or psychiatric illness, which in the opinion of the investigator will interfere with adherence to study requirements
  • Clinically significant neurological disorder occurring within 1 year prior to study entry
  • Use of systemic corticosteroids for 4 weeks within 3 months prior to study entry
  • Presence of any chronic disease that in the opinion of the investigator might affect subject safety
  • History of previous vaccination with an HIV-1 vaccine except where documentation of placebo is available
  • History of cardiac arrhythmia
  • History or evidence of autoimmune disease
  • Allergies to bupivacaine or similar anesthetic
  • Metal implants at the site of injection
  • Prisoners or subjects who are compulsorily detained (involuntarily incarcerated) for treatment of either a psychiatric or physical (i.e. infections disease) illness
  • Any other conditions judged by the investigator that would limit the evaluation of a subject

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

12 participants in 1 patient group

3mg DNA/dose
Experimental group
Description:
Subjects will receive a 4 dose series of PENNVAX-B containing 3mg of DNA/dose administered via IM injection + electroporation at Day 0, Week 4, Week 8 and Week 16.
Treatment:
Biological: PENNVAX-B

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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