- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00000972
A Phase I Clinical Trial to Evaluate: Part A. The Safety of MTP-PE/MF59 Adjuvant Emulsion. Part B. The Safety and Immunogenicity of Env 2-3, a Yeast Derived Recombinant Envelope Protein of Human Immunodeficiency Virus-1, in Combination With MTP-PE/MF59
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The vaccine Env 2-3 is created from one of the viral proteins that make up HIV called envelope glycoprotein gp120. A problem with many immunogens, including candidate HIV vaccines, is that they may evoke relatively weak immune responses, particularly in humans and in nonhuman primates. Thus, there is considerable interest in the development of "adjuvants" (substances that augment immune responses to vaccines). MTP-PE/MF59 is an adjuvant that appears to be particularly promising, and is selected for the studies with this HIV vaccine candidate.
This study is being conducted in two parts: Part A examines the safety of the adjuvant MTP-PE/MF59 alone; Part B examines the safety and immunogenicity of Env 2-3 in combination with MTP-PE/MF59. In Part A, three volunteers receive MTP-PE/MF59, and one volunteer receives emulsion alone at each dose level. Initiation of each dose level is separated by at least 72 hours. Doses of adjuvant emulsion are administered at day 0 and day 30 for the highest tolerated dose. If significant reactions are encountered, additional subjects may be studied at lower doses. In Part B, six doses of MTP-PE adjuvant (0, 5, 10, 25, 50, or 100 mcg) in the MF59 emulsion are studied. Six volunteers receive Env 2-3/MTP-PE/MF59 and two receive MTP-PE/MF59 alone at each dose level. There is a minimum 1-week interval between dose escalations. Per amendment, volunteers may receive an additional dose of Env 2-3 or placebo in MF59 emulsion only, administered 12-18 months post initial inoculation.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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New York
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Rochester, New York, United States, 14642
- Univ. of Rochester AVEG
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Tennessee
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Nashville, Tennessee, United States, 37232
- Vanderbilt Univ. Hosp. AVEG
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Washington
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Seattle, Washington, United States, 981050371
- UW - Seattle AVEG
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria
Volunteers are:
- Normal, healthy adults (by history and physical examination) who fully comprehend the purpose and details of the study.
Part A:
- Available for 60 days.
Part B:
- Available for 1 year of follow-up.
Exclusion Criteria
Co-existing Condition:
Volunteers with the following conditions or symptoms are excluded: Part B:
- Positive syphilis serology (such as VDRL) unless positive test is due to a documented clinical event that occurred and was treated 5 or more years prior to enrollment.
Circulating hepatitis B antigenemia.
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Volunteers with the following are excluded:
- History of immunodeficiency, chronic illness, autoimmune disease.
- Evidence of depression or under treatment for psychiatric problems during the past year.
Prior Medication:
Excluded:
- Immunosuppressive medications.
Prior Treatment:
Excluded: Part B:
- Blood transfusion or cryoprecipitates within the past 6 months.
Risk Behavior: Excluded: Part B: Identifiable high-risk behavior for HIV infection, including:
- history of intravenous drug use; syphilis, gonorrhea, or any other sexually transmitted diseases (including chlamydia or pelvic inflammatory disease) in the last 6 months; more than two sexual partners, or sexual contact with a high-risk partner, in the preceding 6 months.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
Collaborators and Investigators
Collaborators
Publications and helpful links
General Publications
- Evans TG, Fitzgerald T, Gibbons DC, Keefer MC, Soucier H. Th1/Th2 cytokine responses following HIV-1 immunization in seronegative volunteers. The AIDS Vaccine Evaluation Group. Clin Exp Immunol. 1998 Feb;111(2):243-50. doi: 10.1046/j.1365-2249.1998.00486.x.
- Keefer MC, Graham BS, McElrath MJ, Matthews TJ, Stablein DM, Corey L, Wright PF, Lawrence D, Fast PE, Weinhold K, Hsieh RH, Chernoff D, Dekker C, Dolin R. Safety and immunogenicity of Env 2-3, a human immunodeficiency virus type 1 candidate vaccine, in combination with a novel adjuvant, MTP-PE/MF59. NIAID AIDS Vaccine Evaluation Group. AIDS Res Hum Retroviruses. 1996 May 20;12(8):683-93. doi: 10.1089/aid.1996.12.683.
Study record dates
Study Major Dates
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Slow Virus Diseases
- HIV Infections
- Acquired Immunodeficiency Syndrome
Other Study ID Numbers
- AVEG 005A/B
- 10546 (Other Identifier: CTEP)
- 10547 (Other Identifier: Fred Hutch)
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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