HIV InfectionsPhase 1NCT00000683
A Phase I Multicenter, Randomized, Double-Blind Trial to Evaluate the Safety and Immunogenicity of Recombinant Vaccinia Virus Expressing the Envelope Glycoproteins of Human Immunodeficiency Virus
A Phase 1 study testing HIVAC-1e and gp160 Vaccine (MicroGeneSys) in people with HIV Infections, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
Trial summary
Evaluation of the safety and immunogenicity (immunological reactivity) of HIVAC-1e vaccine. An additional goal is to determine which dose level of vaccine might be most effective. Read more about this study
- Who is it for?
- Ages 18 to 60 yearsHealthy volunteers can take part
- Conditions the study is for
- HIV Infections
- What is being tested?
- HIVAC-1e and gp160 Vaccine (MicroGeneSys)
- Type of treatment
- Vaccines
- How many people
- 54 participants
- Where
- 1 siteUnited States
- Study dates
- Start not givento Jun 1993
- Phase
- Phase 1
- 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 60 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- Patients must demonstrate the following clinical and laboratory findings:
- Normal history and physical examination.
- Normal chest X-ray (optional).
- Normal urinalysis.
- Negative ELISA.
- Negative Western blot test.
Show all 10Show fewer
- Negative HIV culture.
- No evidence of smallpox vaccination.
- Note:
- As an operational definition, an individual can be considered "vaccinia naive" only if no scar is observable and the patient claims and/or has evidence of not being vaccinated. If the patient does not know his/her history, it should be presumed that he/she was vaccinated.
Who cannot join
- Patients will be excluded from the study for the following reasons:
- Appearance of or serologic or clinical evidence of HIV infection.
- Appearance of or serologic or clinical evidence of clinically active viral infections, including mononucleosis, Epstein-Barr virus, cytomegalovirus which may affect HIV immunocompetence.
- Syphilis, gonorrhea, or any other sexually transmitted diseases including chlamydia or pelvic inflammatory disease in the last 6 months.
- History of immunodeficiency or chronic illness.
- Evidence of depression.
Show all 34Show fewer
- History of positive PPD (tuberculosis exposure).
- Positive syphilis serology.
- Positive for circulating Hepatitis B antigen.
- Eczema, active or within the past year.
- Household contact with someone who is pregnant.
- Household contact with children less than 12 months old.
- Household contact with anyone with eczema.
- Household contact with anyone with immunodeficiencies.
- Vaccinia immunity.
- Note:
- Current PPD test is required only if Merieux skin reaction to the tuberculin antigen is positive.
- If the patient does not know his/her vaccine history, it should be presumed that he/she was vaccinated.
- Prior Treatment:
- Excluded within 1 year of study entry:
- Treatment for psychiatric problems.
- Excluded within 6 months of study entry:
- Blood transfusions or cryoprecipitates.
- Patients may not have any of the following diseases or symptoms:
- Appearance of or serologic or clinical evidence of HIV infection.
- Appearance of or serologic or clinical evidence of clinically active viral infections, including mononucleosis, Epstein-Barr virus, cytomegalovirus which may affect HIV immunocompetence.
- Syphilis, gonorrhea, or any other sexually transmitted diseases including chlamydia or pelvic inflammatory disease in the last 6 months.
- History of immunodeficiency or chronic illness.
- Evidence of depression.
- Eczema, active or within the past year.
- High risk behavior for human immunodeficiency virus (HIV) infection, including:
- Any 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 2 sexual partners or sexual contact with a high-risk partner in the last 6 months.
Trial locations and contacts
1 site in 1 country.
About this study
Evaluation of the safety and immunogenicity (immunological reactivity) of HIVAC-1e vaccine. An additional goal is to determine which dose level of vaccine might be most effective. Specific questions to be addressed in this part of the study include: Are there adverse reactions to gp160 vaccine when given to vaccinees previously immunized with a vaccinia-recombinant? Does gp160 vaccination of prior HIVAC-1e vaccine result in stimulation of neutralizing antibody and other humoral immune responses? Does vaccination with gp160 enhance the development of cell-mediated immune responses in HIVAC-1e vaccinees? Is the magnitude of immune response to gp160 booster immunization greater following priming with GP160 recombinant vaccinia (HIVAC-1e) vaccination than priming with three doses of purified recombinant gp160? AMENDED: An 80 mcg dose of gp160 has been chosen for the booster because this dose has been shown to be safe and immunogenic in previous trials and allows comparison of the late boost in this protocol with the late boost in the protocol in which patients were primed with three doses of gp160. Original design: HIVAC-1e vaccine is a preparation of the envelope protein of HIV (the virus that causes AIDS). The protein is produced by genetic modification in vaccinia virus. The purpose of a vaccine is to produce an artificially increased immunity to a particular disease, in this case, AIDS. Since there is no known cure for AIDS, the control of this disease necessitates the development of effective prevention such as vaccines.
Read the detailed description
AMENDED: An 80 mcg dose of gp160 has been chosen for the booster because this dose has been shown to be safe and immunogenic in previous trials and allows comparison of the late boost in this protocol with the late boost in the protocol in which patients were primed with three doses of gp160. Original design: HIVAC-1e vaccine is a preparation of the envelope protein of HIV (the virus that causes AIDS). The protein is produced by genetic modification in vaccinia virus. The purpose of a vaccine is to produce an artificially increased immunity to a particular disease, in this case, AIDS. Since there is no known cure for AIDS, the control of this disease necessitates the development of effective prevention such as vaccines.
AMENDED: Participants in the amended study will be given one injection in the deltoid muscle of gp160 vaccine. The injection of gp160 will be given 2 months after the first take with the HIVAC-1e vaccine. After each inoculation, volunteers will be observed for one hour. For four days after each inoculation, each participant will be interviewed daily to monitor side effects and asked to record their temperature and symptoms twice daily. It is anticipated that a cohort of approximately 20 HIVAC-1e recipients from the participating AIDS Vaccine Evaluation Units will agree to receive the booster immunizations of gp160, and that this number of patients will be adequate to determine the booster effect of gp160. Original design: Study patients receive two immunizations, one at the beginning of the study and a second one eight weeks later. These immunizations are administered by scarification on the arm, the same way that smallpox vaccines were given for several years. The patients are divided into two groups. The control group receives a derivative of the smallpox vaccine that is used to produce HIVAC-1e vaccine. The treatment group actually receives HIVAC-1e. Whether a patient receives the parent virus or the vaccine is determined randomly by computer, and neither the patient nor the physician knows who actually receives the vaccine. The group receiving the parent virus and the group receiving HIVAC-1e are then divided into three subgroups receiving different doses of HIVAC-1e, in order to test the effectiveness of different doses of HIVAC-1e. Following the first inoculation and the booster inoculation eight weeks later, patients have the vaccination site covered with a special waterproof bandage until the vaccination site has healed. Participants are counseled on how to avoid contact spread of the vaccine virus including hand washing, management of the bandage, and separation from persons at high risk for the complications of the virus infection. Patients are closely followed for the first four weeks following immunization and then followed for a minimum of one year. Women are included only if willing to provide continuing information on sexual practices and menstrual patterns, and furnish urine samples, as appropriate, for pregnancy testing on the day of/before vaccination and every other week throughout the 56th day after receipt of vaccine. At the Johns Hopkins site, patients are compensated depending on how far they have to travel as long as they commit to every-other-day visits for the first 30 days. This is to change the bandage and check on healing. Interested patients should call collect for additional information about travel pay.
- Conditions
- HIV Infections
- Being tested
- HIVAC-1e, gp160 Vaccine (MicroGeneSys)
- Keywords
- Vaccines, Synthetic, Vaccinia Virus, Viral Envelope Proteins, Acquired Immunodeficiency Syndrome, AIDS Vaccines, HIV Seronegativity, HIV Preventive Vaccine
- Medical subject headings
- HIV Infections, Vaccinia, Acquired Immunodeficiency Syndrome
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
HIVAC-1eBiological
gp160 Vaccine (MicroGeneSys)Biological
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted31 Aug 2001 (estimated)
- Study completionJun 1993
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- 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 1
- Primary purpose
- Prevention
- Masking
- Double blind
- Enrolment
- 54 participants
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Koff W, Study chair
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00000683
- Sponsor's protocol ID
- AVEG 002
- Other IDs
- 10537
- Status last verified
- Oct 2021
- First submitted
- 2 Nov 1999
- Last updated
- 2 Nov 2021
- Results posted
- No
Publications
McElrath MJ, Corey L, Berger D, Hoffman MC, Klucking S, Dragavon J, Peterson E, Greenberg PD. Immune responses elicited by recombinant vaccinia-human immunodeficiency virus (HIV) envelope and HIV envelope protein: analysis of the durability of responses and effect of repeated boosting. J Infect Dis. 1994 Jan;169(1):41-7. doi: 10.1093/infdis/169.1.41.
PubMed 8277196Montefiori DC, Graham BS, Zhou JY, Zhou JT, Ahearn JM. Binding of human immunodeficiency virus type 1 to the C3b/C4b receptor CR1 (CD35) and red blood cells in the presence of envelope-specific antibodies and complement. National Institutes of Health AIDS Vaccine Clinical Trials Networks. J Infect Dis. 1994 Aug;170(2):429-32. doi: 10.1093/infdis/170.2.429.
PubMed 8035031Montefiori DC, Graham BS, Zhou J, Zhou J, Bucco RA, Schwartz DH, Cavacini LA, Posner MR. V3-specific neutralizing antibodies in sera from HIV-1 gp160-immunized volunteers block virus fusion and act synergistically with human monoclonal antibody to the conformation-dependent CD4 binding site of gp120. NIH-NIAID AIDS Vaccine Clinical Trials Network. J Clin Invest. 1993 Aug;92(2):840-7. doi: 10.1172/JCI116658.
PubMed 8349820Graham BS. Clinical trials of AIDS vaccines in seronegative volunteers: vectors and combinations. AIDS Res Hum Retroviruses. 1992 Aug;8(8):1327-8. doi: 10.1089/aid.1992.8.1327. No abstract available.
PubMed 1466951Montefiori DC, Graham BS, Kliks S, Wright PF. Serum antibodies to HIV-1 in recombinant vaccinia virus recipients boosted with purified recombinant gp160. NIAID AIDS Vaccine Clinical Trials Network. J Clin Immunol. 1992 Nov;12(6):429-39. doi: 10.1007/BF00918855.
PubMed 1287035Cooney EL, Collier AC, Greenberg PD, Coombs RW, Zarling J, Arditti DE, Hoffman MC, Hu SL, Corey L. Safety of and immunological response to a recombinant vaccinia virus vaccine expressing HIV envelope glycoprotein. Lancet. 1991 Mar 9;337(8741):567-72. doi: 10.1016/0140-6736(91)91636-9.
PubMed 1671940Graham BS, Matthews TJ, Belshe RB, Clements ML, Dolin R, Wright PF, Gorse GJ, Schwartz DH, Keefer MC, Bolognesi DP, et al. Augmentation of human immunodeficiency virus type 1 neutralizing antibody by priming with gp160 recombinant vaccinia and boosting with rgp160 in vaccinia-naive adults. The NIAID AIDS Vaccine Clinical Trials Network. J Infect Dis. 1993 Mar;167(3):533-7. doi: 10.1093/infdis/167.3.533.
PubMed 8095059Graham BS, Rowland JM, Modliszewski A, Montefiori DC. Antifusion activity in sera from persons infected with human immunodeficiency virus type 1. J Clin Microbiol. 1990 Dec;28(12):2608-11. doi: 10.1128/jcm.28.12.2608-2611.1990.
PubMed 2279989Hammond SA, Bollinger RC, Stanhope PE, Quinn TC, Schwartz D, Clements ML, Siliciano RF. Comparative clonal analysis of human immunodeficiency virus type 1 (HIV-1)-specific CD4+ and CD8+ cytolytic T lymphocytes isolated from seronegative humans immunized with candidate HIV-1 vaccines. J Exp Med. 1992 Dec 1;176(6):1531-42. doi: 10.1084/jem.176.6.1531.
PubMed 1460417Perales MA, Schwartz DH, Fabry JA, Lieberman J. A vaccinia-gp160-based vaccine but not a gp160 protein vaccine elicits anti-gp160 cytotoxic T lymphocytes in some HIV-1 seronegative vaccinees. J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Sep 1;10(1):27-35.
PubMed 7648281
Study at a glance
From the registry record, last updated by the sponsor on 2 Nov 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase I Multicenter, Randomized, Double-Blind Trial to Evaluate the Safety and Immunogenicity of Recombinant Vaccinia Virus Expressing the Envelope Glycoproteins of Human Immunodeficiency Virus
- ClinicalTrials.gov ID
- NCT00000683
- Acronym / sponsor ID
- AVEG 002
- Conditions
- HIV Infections
- Keywords
- Vaccines, Synthetic, Vaccinia Virus, Viral Envelope Proteins, Acquired Immunodeficiency Syndrome, AIDS Vaccines, HIV Seronegativity, HIV Preventive Vaccine
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 54 participants
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)US National Institutes of Health
- Study completion
- Jun 1993 (actual)
- First posted
- 31 Aug 2001 (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.
Evaluation of the safety and immunogenicity (immunological reactivity) of HIVAC-1e vaccine. An additional goal is to determine which dose level of vaccine might be most effective. Specific questions to be addressed in this part of the study include: Are there adverse reactions to gp160 vaccine when given to vaccinees previously immunized with a vaccinia-recombinant? Does gp160 vaccination of prior HIVAC-1e vaccine result in stimulation of neutralizing antibody and other humoral immune responses? Does vaccination with gp160 enhance the development of cell-mediated immune responses in HIVAC-1e vaccinees? Is the magnitude of immune response to gp160 booster immunization greater following priming with GP160 recombinant vaccinia (HIVAC-1e) vaccination than priming with three doses of purified recombinant gp160? AMENDED: An 80 mcg dose of gp160 has been chosen for the booster because this dose has been shown to be safe and immunogenic in previous trials and allows comparison of the late boost in this protocol with the late boost in the protocol in which patients were primed with three doses of gp160. Original design: HIVAC-1e vaccine is a preparation of the envelope protein of HIV (the virus that causes AIDS). The protein is produced by genetic modification in vaccinia virus. The purpose of a vaccine is to produce an artificially increased immunity to a particular disease, in this case, AIDS. Since there is no known cure for AIDS, the control of this disease necessitates the development of effective prevention such as vaccines.
Detailed description
AMENDED: An 80 mcg dose of gp160 has been chosen for the booster because this dose has been shown to be safe and immunogenic in previous trials and allows comparison of the late boost in this protocol with the late boost in the protocol in which patients were primed with three doses of gp160. Original design: HIVAC-1e vaccine is a preparation of the envelope protein of HIV (the virus that causes AIDS). The protein is produced by genetic modification in vaccinia virus. The purpose of a vaccine is to produce an artificially increased immunity to a particular disease, in this case, AIDS. Since there is no known cure for AIDS, the control of this disease necessitates the development of effective prevention such as vaccines.
AMENDED: Participants in the amended study will be given one injection in the deltoid muscle of gp160 vaccine. The injection of gp160 will be given 2 months after the first take with the HIVAC-1e vaccine. After each inoculation, volunteers will be observed for one hour. For four days after each inoculation, each participant will be interviewed daily to monitor side effects and asked to record their temperature and symptoms twice daily. It is anticipated that a cohort of approximately 20 HIVAC-1e recipients from the participating AIDS Vaccine Evaluation Units will agree to receive the booster immunizations of gp160, and that this number of patients will be adequate to determine the booster effect of gp160. Original design: Study patients receive two immunizations, one at the beginning of the study and a second one eight weeks later. These immunizations are administered by scarification on the arm, the same way that smallpox vaccines were given for several years. The patients are divided into two groups. The control group receives a derivative of the smallpox vaccine that is used to produce HIVAC-1e vaccine. The treatment group actually receives HIVAC-1e. Whether a patient receives the parent virus or the vaccine is determined randomly by computer, and neither the patient nor the physician knows who actually receives the vaccine. The group receiving the parent virus and the group receiving HIVAC-1e are then divided into three subgroups receiving different doses of HIVAC-1e, in order to test the effectiveness of different doses of HIVAC-1e. Following the first inoculation and the booster inoculation eight weeks later, patients have the vaccination site covered with a special waterproof bandage until the vaccination site has healed. Participants are counseled on how to avoid contact spread of the vaccine virus including hand washing, management of the bandage, and separation from persons at high risk for the complications of the virus infection. Patients are closely followed for the first four weeks following immunization and then followed for a minimum of one year. Women are included only if willing to provide continuing information on sexual practices and menstrual patterns, and furnish urine samples, as appropriate, for pregnancy testing on the day of/before vaccination and every other week throughout the 56th day after receipt of vaccine. At the Johns Hopkins site, patients are compensated depending on how far they have to travel as long as they commit to every-other-day visits for the first 30 days. This is to change the bandage and check on healing. Interested patients should call collect for additional information about travel pay.
Study design
- Primary purpose
- Prevention
- Masking
- Double blind
Who may qualify
- Ages
- 18 to 60 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (10 listed)
- Normal history and physical examination.
- Normal chest X-ray (optional).
- Normal urinalysis.
- Negative ELISA.
- Negative Western blot test.
Key exclusion criteria (34 listed)
- Appearance of or serologic or clinical evidence of HIV infection.
- Appearance of or serologic or clinical evidence of clinically active viral infections, including mononucleosis, Epstein-Barr virus, cytomegalovirus which may affect HIV immunocompetence.
- Syphilis, gonorrhea, or any other sexually transmitted diseases including chlamydia or pelvic inflammatory disease in the last 6 months.
- History of immunodeficiency or chronic illness.
- Evidence of depression.
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 |
|---|---|---|
| HIVAC-1e | Biological | – |
| gp160 Vaccine (MicroGeneSys) | Biological | – |
Primary outcome
Not reported in the source record.
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 2 Nov 2021.
- Background: PubMed 8277196McElrath MJ, Corey L, Berger D, Hoffman MC, Klucking S, Dragavon J, Peterson E, Greenberg PD. Immune responses elicited by recombinant vaccinia-human immunodeficiency virus (HIV) envelope and HIV envelope protein: analysis of the durability of responses and effect of repeated boosting. J Infect Dis. 1994 Jan;169(1):41-7. doi: 10.1093/infdis/169.1.41.
- Background: PubMed 8035031Montefiori DC, Graham BS, Zhou JY, Zhou JT, Ahearn JM. Binding of human immunodeficiency virus type 1 to the C3b/C4b receptor CR1 (CD35) and red blood cells in the presence of envelope-specific antibodies and complement. National Institutes of Health AIDS Vaccine Clinical Trials Networks. J Infect Dis. 1994 Aug;170(2):429-32. doi: 10.1093/infdis/170.2.429.
- Background: PubMed 8349820Montefiori DC, Graham BS, Zhou J, Zhou J, Bucco RA, Schwartz DH, Cavacini LA, Posner MR. V3-specific neutralizing antibodies in sera from HIV-1 gp160-immunized volunteers block virus fusion and act synergistically with human monoclonal antibody to the conformation-dependent CD4 binding site of gp120. NIH-NIAID AIDS Vaccine Clinical Trials Network. J Clin Invest. 1993 Aug;92(2):840-7. doi: 10.1172/JCI116658.
- Background: PubMed 1466951Graham BS. Clinical trials of AIDS vaccines in seronegative volunteers: vectors and combinations. AIDS Res Hum Retroviruses. 1992 Aug;8(8):1327-8. doi: 10.1089/aid.1992.8.1327. No abstract available.
- Background: PubMed 1287035Montefiori DC, Graham BS, Kliks S, Wright PF. Serum antibodies to HIV-1 in recombinant vaccinia virus recipients boosted with purified recombinant gp160. NIAID AIDS Vaccine Clinical Trials Network. J Clin Immunol. 1992 Nov;12(6):429-39. doi: 10.1007/BF00918855.
- Background: PubMed 1671940Cooney EL, Collier AC, Greenberg PD, Coombs RW, Zarling J, Arditti DE, Hoffman MC, Hu SL, Corey L. Safety of and immunological response to a recombinant vaccinia virus vaccine expressing HIV envelope glycoprotein. Lancet. 1991 Mar 9;337(8741):567-72. doi: 10.1016/0140-6736(91)91636-9.
- Background: PubMed 8095059Graham BS, Matthews TJ, Belshe RB, Clements ML, Dolin R, Wright PF, Gorse GJ, Schwartz DH, Keefer MC, Bolognesi DP, et al. Augmentation of human immunodeficiency virus type 1 neutralizing antibody by priming with gp160 recombinant vaccinia and boosting with rgp160 in vaccinia-naive adults. The NIAID AIDS Vaccine Clinical Trials Network. J Infect Dis. 1993 Mar;167(3):533-7. doi: 10.1093/infdis/167.3.533.
- Background: PubMed 2279989Graham BS, Rowland JM, Modliszewski A, Montefiori DC. Antifusion activity in sera from persons infected with human immunodeficiency virus type 1. J Clin Microbiol. 1990 Dec;28(12):2608-11. doi: 10.1128/jcm.28.12.2608-2611.1990.
- Background: PubMed 1460417Hammond SA, Bollinger RC, Stanhope PE, Quinn TC, Schwartz D, Clements ML, Siliciano RF. Comparative clonal analysis of human immunodeficiency virus type 1 (HIV-1)-specific CD4+ and CD8+ cytolytic T lymphocytes isolated from seronegative humans immunized with candidate HIV-1 vaccines. J Exp Med. 1992 Dec 1;176(6):1531-42. doi: 10.1084/jem.176.6.1531.
- Background: PubMed 7648281Perales MA, Schwartz DH, Fabry JA, Lieberman J. A vaccinia-gp160-based vaccine but not a gp160 protein vaccine elicits anti-gp160 cytotoxic T lymphocytes in some HIV-1 seronegative vaccinees. J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Sep 1;10(1):27-35.
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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.
Koff W study chair
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing HIVAC-1e and gp160 Vaccine (MicroGeneSys) 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 10 inclusion and 34 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 2 Nov 2021. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
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.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00000683, which also lists 10 linked publications.
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 2 Nov 2021.