A Phase I, Multicenter, Clinical Trial to Evaluate the Safety and Immunogenicity of Vaccinia-Derived MN HIV-1 Recombinant Envelope Glycoprotein (rgp160) of Human Immunodeficiency Virus at Two Different Vaccination Schedules

HIV Infections Clinical Trial

Official title:

A Phase I, Multicenter, Clinical Trial to Evaluate the Safety and Immunogenicity of Vaccinia-Derived MN HIV-1 Recombinant Envelope Glycoprotein (rgp160) of Human Immunodeficiency Virus at Two Different Vaccination Schedules

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT00001037
• Other study ID #: AVEG 013A
• Secondary ID: 10559
• Status: Completed
• Phase: Phase 1
• Est. completion date: May 1995

Study information

• Verified date: October 2021
• Source: National Institute of Allergy and Infectious Diseases (NIAID)
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

To determine the safety and immunogenicity of 200 mcg MN rgp160 vaccine (Immuno-AG) versus placebo, administered on two immunization schedules to healthy volunteers. Per 06/15/94 amendment, to determine the safety and immunogenicity of 800 versus 200 mcg given as a fourth immunization at 9 or 11 months after the third injection (i.e., at month 17).

A gp160 vaccine developed from the IIIB strain of HIV-1 has been found to be safe and immunogenic in healthy adults. Since the MN strain of HIV-1 is representative of a larger proportion of HIV-1 isolates in the United States than is the IIIB strain, evaluation of a gp160 vaccine derived from the MN strain is important.

Description:

A gp160 vaccine developed from the IIIB strain of HIV-1 has been found to be safe and immunogenic in healthy adults. Since the MN strain of HIV-1 is representative of a larger proportion of HIV-1 isolates in the United States than is the IIIB strain, evaluation of a gp160 vaccine derived from the MN strain is important.

Volunteers are randomized to receive 200 mcg MN rgp160 or placebo at months 0, 1, and 6 or at months 0, 2, and 8. For each immunization schedule, ten volunteers receive vaccine and two volunteers receive placebo. Per amendment, volunteers receive a fourth immunization of 800 or 200 mcg (or placebo) at 9 or 11 months after the third injection (i.e., at month 17) and are followed for 6 months afterward.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 22
• Est. completion date: May 1995
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years to 60 Years

Eligibility

Inclusion Criteria

Subjects must have:

• Normal history and physical exam.

• Negative test for HIV by ELISA within 6 weeks prior to immunization.

• CD4 count >= 400 cells/mm3.

• Normal urine dipstick with esterase and nitrate.

• No history of immunodeficiency, chronic illness, autoimmune disease, or use of immunosuppresssive medications.

Exclusion Criteria

Co-existing Condition:

Subjects with the following conditions are excluded:

• Positive for hepatitis B surface antigen.

• Medical or psychiatric condition or occupational responsibilities that preclude compliance.

• Active syphilis (NOTE: If serology is documented to be a false positive or due to a remote (> 6 months) infection, subject is eligible).

• Active tuberculosis (NOTE: Subjects with a positive PPD and normal x-ray showing no evidence of TB and who do not require INH therapy are eligible).

Subjects with the following prior conditions are excluded:

• History of anaphylaxis or other serious adverse reactions to vaccines.

Prior Medication:

Excluded:

• Prior HIV vaccines.

• Live attenuated vaccines within the past 60 days. NOTE: Medically indicated subunit or killed vaccines (e.g., influenza, pneumococcal) do not exclude but should be administered at least 2 weeks prior to HIV immunizations.

• Experimental agents within the past 30 days.

Prior Treatment:

Excluded:

• Blood products or immunoglobulin within the past 6 months.

Higher risk behavior for HIV infection as determined by screening questionnaire, including:

• History of injection drug use within 12 months prior to study entry.

• Higher or intermediate risk sexual behavior.

Related Conditions & MeSH terms

• Acquired Immunodeficiency Syndrome
• HIV Infections
• Vaccinia

Intervention

Biological:
• gp160 Vaccine (Immuno-AG)

Locations

Country	Name	City	State
United States	St. Louis Univ. School of Medicine AVEG	Saint Louis	Missouri
United States	UW - Seattle AVEG	Seattle	Washington

Sponsors (1)

Lead Sponsor	Collaborator
National Institute of Allergy and Infectious Diseases (NIAID)

Country where clinical trial is conducted

United States, 

References & Publications (1)

Gorse GJ, McElrath MJ, Matthews TJ, Hsieh RH, Belshe RB, Corey L, Frey SE, Kennedy DJ, Walker MC, Eibl MM. Modulation of immunologic responses to HIV-1MN recombinant gp160 vaccine by dose and schedule of administration. National Institute of Allergy and Infectious Diseases AIDS Vaccine Evaluation Group. Vaccine. 1998 Mar;16(5):493-506. — View Citation