Herpes ZosterPhase 1/2NCT05580458
Safety and Immunogenicity of Recombinant Varicella Zoster Virus Vaccine in People With HIV Who Have a CD4 Count Less Than 300 or Greater Than or Equal to 300 and a Healthy Control Population
A Phase 1/2 study testing Shingrix in people with Herpes Zoster, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
Trial summary
Background: Shingles is a painful, blistering rash caused by the same virus that causes chickenpox. Shingrix is a vaccine approved to prevent shingles in healthy adults over age 50 and in immunocompromised adults over age 18. Researchers want to learn more about how people with HIV respond to Shingrix. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Herpes Zoster
- What is being tested?
- Shingrix
- Type of treatment
- Vaccines, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 225 participants
- Where
- 1 siteUnited States
- Study dates
- 13 Mar 2023to 1 Oct 2027
- Phase
- Phase 1/2
- Are there results?
- Not yet: the study is under way
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 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- General Inclusion Criteria:
- Individuals must meet all of the following criteria to be eligible for study participation:
- Able to provide informed consent.
- Participants of childbearing potential must agree to use at least 1 acceptable method of contraception when engaging in sexual activities that can result in pregnancy, beginning at screening through month 3. Acceptable methods of contraception include the following:
- Hormonal contraception.
- Male or female condom.
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- Diaphragm or cervical cap with a spermicide.
- Intrauterine device.
- Has a primary care provider.
- Additional Inclusion Criteria for People with HIV:
- PWH must also meet all the following criteria to be eligible for study participation:
- >= 18 years of age.
- Seropositive for HIV-1 (documented or confirmed at screening).
- Documented viral load < 100 copies/mL within 90 days of screening and documented viral suppression defined as viral load consistently <100 copies/mL with at least one documented viral load < 40 copies/mL within 12 months prior to screening.
- Currently on a stable antiretroviral regimen (minimum of 6 months of a stable ART regimen; changes for side effects, drug interaction, or convenience allowed), or is an elite controller (maintains undetectable viral loads in the absence of any treatment for a period of 12 months prior to screening visit).
- No active/uncontrolled opportunistic infections (patients on chronic maintenance therapy would be considered as controlled).
- Additional Inclusion Criteria for Healthy Volunteers:
- Healthy volunteers must also meet all of the following criteria to be eligible for study participation:
- >= 50 years of age.
- No uncontrolled chronic medical issues that per the discretion of the PI or designee would compromise the safety of the research participant.
- No underlying immunodeficiencies (including negative HIV test at screening).
Who cannot join
- Individuals meeting any of the following criteria will be excluded from study participation:
- Previous receipt of Shingrix vaccine at any time.
- Receipt of Zostavax within the past 12 months.
- History of severe allergic reaction to any component of Shingrix.
- Diagnosed varicella or herpes zoster episode within the past 1 month. Subject will be eligible for SHINGRIX vaccine once symptoms of herpes zoster episode have resolved.
- Immunocompromised (other than HIV for the PWH cohort) within the past 6 months (eg, due to a malignancy other than skin cancer).
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- Current moderate or severe acute illness (ie, febrile illness, seizure, myocardial infarction, cerebrovascular accident, pulmonary embolism) that in the opinion of the principal investigator, would make the subject unsuitable for the study.
- Pregnancy or breastfeeding.
- Receipt of an investigational agent, investigational vaccine, or licensed live virus vaccine within 30 days prior to screening.
- Planned receipt of any vaccine (investigational or ACIP-recommended) between months 0 and 2 except for the tetanus, diphtheria, and pertussis vaccine [TDaP], Pneumovax, inactivated influenza vaccines, and COVID-19 vaccine which may be given at least 8 days before and/or at least 14 days after each study agent injection (at month 0/month 2).
- Administration of immunoglobulins or any blood products within 90 days preceding the first dose of vaccine or planned administration during the study period.
- Chronic administration (>= 15 consecutive days) of immunosuppressive or other immune-modifying drugs within 6 months before screening. (Prednisone < 20 mg/day or equivalent, corticosteroid nasal spray or inhaler, and topical steroids are not exclusionary).
- Uncontrolled psychiatric disease per physician evaluation, current substance use, or inappropriate conduct unsuitable for a research study.
- Any condition that could compromise, in the investigator's opinion, the participant's safety or the study outcomes.
- Participants will be selected in an equitable manner from the available pool of potentially eligible individuals, without regard to factors such as sex, race, ethnicity, socioeconomic status, etc, except for age.
- Medical record review may be used for determining eligibility. If a clinical laboratory evaluation is available for review at the screening timepoint, but was obtained prior to protocol consent, the laboratory test does not have to be repeated for the purposes of confirming eligibility under the protocol.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United States1 site, 1 recruiting
- Recruiting
National Institutes of Health Clinical Center
Bethesda, Maryland, 20892
For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR), 800-411-1222 ext. TTY dial 711, ccopr@nih.gov
About this study
Official title: Phase 1/2 Open-label Trial of Safety and Zoster Immunogenicity Evaluation for People With HIV With CD4 Counts Under and Above 300 and Healthy Volunteers Following Shingrix Vaccination (ZEUS)
Background:
Shingles is a painful, blistering rash caused by the same virus that causes chickenpox. Shingrix is a vaccine approved to prevent shingles in healthy adults over age 50 and in immunocompromised adults over age 18. Researchers want to learn more about how people with HIV respond to Shingrix.
Read more
Objective:
To learn how Shingrix affects the immune response in people with HIV.
Eligibility:
People aged 18 years and older with HIV. Healthy people aged 50 years or older are also needed.
Design:
Participants will have at least 4 clinic visits in 1 year.
Participants will be screened. They will have a physical exam with blood and urine tests.
At their first visit, participants will receive Shingrix as a shot in the upper arm. They will have a rectal swab; a cotton swab will be inserted into the rectum and rotated gently to collect bacteria.
Participants will receive a second shot of Shingrix 2 months after the first one. They will visit the clinic again 3 and 12 months after the first shot.
Participants will receive a 28-day memory tool. They will write down their symptoms between clinic visits. They will have up to 4 phone calls to talk about side effects of the shot.
Participants may undergo apheresis: They will lie still while blood is drawn from a needle in one arm. The blood will pass through a machine that separates out the white blood cells. The remaining blood will be given back through a second needle in their other arm....
Read the detailed description
Study Description:
This phase 1/2 open-label study will evaluate the safety and immunogenicity of the Shingrix recombinant varicella zoster virus vaccine (RZV) in people with HIV (PWH) aged 18 years and older and healthy volunteers aged 50 years and older. Shingrix will be administered by intramuscular (IM) injection during visits at months 0 and 2, and blood will be collected prior to each dose and at follow-up visits at months 3 and 12. Study evaluations will include assessment of adverse events (AEs) by physical examination, safety laboratory evaluations, and participant memory tool, and assessment of response in research immunogenicity assays on blood.
Objectives:
Primary Objective:
-Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH based upon CD4 count < 300 and >= 300.
Secondary Objectives:
- Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH by age (< 50 and >= 50 years).
- Compare vaccine immunogenicity in PWH versus healthy volunteers.
- Evaluate grade 3 and 4 safety responses in PWH, based upon CD4 count (< 300 and >= 300), and healthy volunteers.
- Evaluate grade 3 and 4 safety responses in PWH, based upon age (< 50 and >= 50), and healthy volunteers.
Tertiary/Exploratory Objectives:
- Compare immune cell responses in PWH, based upon CD4 count (< 300 and >= 300), and healthy volunteers.
- Compare immune cell responses in PWH, based upon age (< 50 and >= 50 years), and healthy volunteers.
- Assess vaccine immunogenicity by varicella zoster serostatus.
- Assess zoster reactivation.
- Correlate the microbiome profile with vaccine responses.
Endpoints:
Primary Endpoint:
-Fold change of anti-glycoprotein gE (anti-gE) antibody concentrations evaluated regularly through the end of study (months 3 and 12) by CD4 count (< 300 and >= 300) run by GlaxoSmithKline (GSK).
Secondary Endpoints:
- Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) by age (< 50 and >= 50) run by GSK.
- Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) in PWH and healthy volunteers run by GSK.
- Grade 3 and/or Grade 4 Shingrix AEs (solicited and unsolicited local and systemic).
Tertiary/Exploratory Endpoints:
- T-cell assays and phenotypes evaluated regularly through end of study.
- Varicella zoster serostatus as determined by IgG and IgM antibody levels.
- Number of episodes and severity of zoster reactivation (including extradermatomal complications such as neurologic or ophthalmologic complications and adverse sequelae such as post herpetic neuralgia).
- Baseline microbiome profile.
- Conditions
- Herpes Zoster
- Being tested
- Shingrix
- Keywords
- HERPES ZOSTER, Shingrix Vaccine
- Medical subject headings
- Herpes Zoster
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ShingrixBiological
Shingrix is a recombinant, adjuvanted vaccine for prevention of herpes zoster. It is supplied as lyophilized recombinant VZV surface gE antigen for reconstitution with AS01B adjuvant suspension. Each Shingrix dose will be 0.5mL and administered by IM injection in the deltoid region of the upper arm.
| Study group | Role | What they receive |
|---|---|---|
| Shingrix | Experimental | Shingrix will be administered in two 0.5-mL doses approximately 2 months apart. Receives: Biological: Shingrix |
What is being measured
The primary outcome is the main question the study is designed to answer.
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) by CD4 count (< 300 and >= 300)
Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH based upon CD4 count < 300 and >= 300.
Measured: Months 3 and 12
Secondary outcomes (4)
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study in PWH and healthy volunteers
Compare vaccine immunogenicity in PWH versus healthy volunteers.
Measured: Months 3 and 12
Grade 3 and/or Grade 4 Shingrix ARs (solicited and unsolicited local and systemic).
Evaluate grade 3 and 4 safety responses in PWH, based upon age (< 50 and >= 50), and healthy volunteers.
Measured: Through the end of the study
Grade 3 and/or Grade 4 Shingrix ARs (solicited and unsolicited local and systemic).
Evaluate grade 3 and 4 safety responses in PWH, based upon CD4 count (< 300 and >= 300), and healthy volunteers.
Measured: Through the end of the study
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study by age (< 50 and >= 50)
Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH by age (< 50 and >= 50 years).
Measured: Months 3 and 12
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Oct 2022
- Study start13 Mar 2023
- Primary completion1 Feb 2027 (estimated)
- Study completion1 Oct 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for Herpes ZosterStudies 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 1/2
- Primary purpose
- Prevention
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 225 participants (estimated)
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Maura M Manion, M.D., Principal investigator, National Institute of Allergy and Infectious Diseases (NIAID)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05580458
- Sponsor's protocol ID
- 10000866
- Other IDs
- 000866-I
- Status last verified
- 23 Jul 2026
- First submitted
- 8 Oct 2022
- Last updated
- 5 Nov 2026
- Results posted
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
Publications
Lal H, Cunningham AL, Godeaux O, Chlibek R, Diez-Domingo J, Hwang SJ, Levin MJ, McElhaney JE, Poder A, Puig-Barbera J, Vesikari T, Watanabe D, Weckx L, Zahaf T, Heineman TC; ZOE-50 Study Group. Efficacy of an adjuvanted herpes zoster subunit vaccine in older adults. N Engl J Med. 2015 May 28;372(22):2087-96. doi: 10.1056/NEJMoa1501184. Epub 2015 Apr 28.
PubMed 25916341Berkowitz EM, Moyle G, Stellbrink HJ, Schurmann D, Kegg S, Stoll M, El Idrissi M, Oostvogels L, Heineman TC; Zoster-015 HZ/su Study Group. Safety and immunogenicity of an adjuvanted herpes zoster subunit candidate vaccine in HIV-infected adults: a phase 1/2a randomized, placebo-controlled study. J Infect Dis. 2015 Apr 15;211(8):1279-87. doi: 10.1093/infdis/jiu606. Epub 2014 Nov 3.
PubMed 25371534
Study at a glance
From the registry record, last updated by the sponsor on 5 Nov 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Phase 1/2 Open-label Trial of Safety and Zoster Immunogenicity Evaluation for People With HIV With CD4 Counts Under and Above 300 and Healthy Volunteers Following Shingrix Vaccination (ZEUS)
- ClinicalTrials.gov ID
- NCT05580458
- Acronym / sponsor ID
- 10000866
- Conditions
- Herpes Zoster
- Keywords
- HERPES ZOSTER, Shingrix Vaccine
- Phase
- Phase 1/2
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 225 participants (estimated)
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)US National Institutes of Health
- Study start
- 13 Mar 2023 (actual)
- Primary completion
- 1 Feb 2027 (estimated)
- Study completion
- 1 Oct 2027 (estimated)
- First posted
- 14 Oct 2022 (actual)
- 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.
Background:
Shingles is a painful, blistering rash caused by the same virus that causes chickenpox. Shingrix is a vaccine approved to prevent shingles in healthy adults over age 50 and in immunocompromised adults over age 18. Researchers want to learn more about how people with HIV respond to Shingrix.
Objective:
To learn how Shingrix affects the immune response in people with HIV.
Eligibility:
People aged 18 years and older with HIV. Healthy people aged 50 years or older are also needed.
Design:
Participants will have at least 4 clinic visits in 1 year.
Participants will be screened. They will have a physical exam with blood and urine tests.
At their first visit, participants will receive Shingrix as a shot in the upper arm. They will have a rectal swab; a cotton swab will be inserted into the rectum and rotated gently to collect bacteria.
Participants will receive a second shot of Shingrix 2 months after the first one. They will visit the clinic again 3 and 12 months after the first shot.
Participants will receive a 28-day memory tool. They will write down their symptoms between clinic visits. They will have up to 4 phone calls to talk about side effects of the shot.
Participants may undergo apheresis: They will lie still while blood is drawn from a needle in one arm. The blood will pass through a machine that separates out the white blood cells. The remaining blood will be given back through a second needle in their other arm....
Detailed description
Study Description:
This phase 1/2 open-label study will evaluate the safety and immunogenicity of the Shingrix recombinant varicella zoster virus vaccine (RZV) in people with HIV (PWH) aged 18 years and older and healthy volunteers aged 50 years and older. Shingrix will be administered by intramuscular (IM) injection during visits at months 0 and 2, and blood will be collected prior to each dose and at follow-up visits at months 3 and 12. Study evaluations will include assessment of adverse events (AEs) by physical examination, safety laboratory evaluations, and participant memory tool, and assessment of response in research immunogenicity assays on blood.
Objectives:
Primary Objective:
-Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH based upon CD4 count < 300 and >= 300.
Secondary Objectives:
- Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH by age (< 50 and >= 50 years).
- Compare vaccine immunogenicity in PWH versus healthy volunteers.
- Evaluate grade 3 and 4 safety responses in PWH, based upon CD4 count (< 300 and >= 300), and healthy volunteers.
- Evaluate grade 3 and 4 safety responses in PWH, based upon age (< 50 and >= 50), and healthy volunteers.
Tertiary/Exploratory Objectives:
- Compare immune cell responses in PWH, based upon CD4 count (< 300 and >= 300), and healthy volunteers.
- Compare immune cell responses in PWH, based upon age (< 50 and >= 50 years), and healthy volunteers.
- Assess vaccine immunogenicity by varicella zoster serostatus.
- Assess zoster reactivation.
- Correlate the microbiome profile with vaccine responses.
Endpoints:
Primary Endpoint:
-Fold change of anti-glycoprotein gE (anti-gE) antibody concentrations evaluated regularly through the end of study (months 3 and 12) by CD4 count (< 300 and >= 300) run by GlaxoSmithKline (GSK).
Secondary Endpoints:
- Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) by age (< 50 and >= 50) run by GSK.
- Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) in PWH and healthy volunteers run by GSK.
- Grade 3 and/or Grade 4 Shingrix AEs (solicited and unsolicited local and systemic).
Tertiary/Exploratory Endpoints:
- T-cell assays and phenotypes evaluated regularly through end of study.
- Varicella zoster serostatus as determined by IgG and IgM antibody levels.
- Number of episodes and severity of zoster reactivation (including extradermatomal complications such as neurologic or ophthalmologic complications and adverse sequelae such as post herpetic neuralgia).
- Baseline microbiome profile.
Study design
- Primary purpose
- Prevention
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Shingrix | Experimental | Biological: ShingrixShingrix will be administered in two 0.5-mL doses approximately 2 months apart. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (21 listed)
- Individuals must meet all of the following criteria to be eligible for study participation:
- Able to provide informed consent.
- Participants of childbearing potential must agree to use at least 1 acceptable method of contraception when engaging in sexual activities that can result in pregnancy, beginning at screening through month 3. Acceptable methods of contraception include the following:
- Has a primary care provider.
- PWH must also meet all the following criteria to be eligible for study participation:
Key exclusion criteria (16 listed)
- Individuals meeting any of the following criteria will be excluded from study participation:
- Previous receipt of Shingrix vaccine at any time.
- Receipt of Zostavax within the past 12 months.
- History of severe allergic reaction to any component of Shingrix.
- Diagnosed varicella or herpes zoster episode within the past 1 month. Subject will be eligible for SHINGRIX vaccine once symptoms of herpes zoster episode have resolved.
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 |
|---|---|---|
| ShingrixShingrix is a recombinant, adjuvanted vaccine for prevention of herpes zoster. It is supplied as lyophilized recombinant VZV surface gE antigen for reconstitution with AS01B adjuvant suspension. Each Shingrix dose will be 0.5mL and administered by IM injection in the deltoid region of the upper arm. | Biological | Shingrix |
Primary outcome
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) by CD4 count (< 300 and >= 300)
Time frame: Months 3 and 12
Assess vaccine immunogenicity after administration of a full Shingrix series schedule in PWH based upon CD4 count < 300 and >= 300.
4 secondary outcomes
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study in PWH and healthy volunteers
Time frame: Months 3 and 12
Grade 3 and/or Grade 4 Shingrix ARs (solicited and unsolicited local and systemic).
Time frame: Through the end of the study
Grade 3 and/or Grade 4 Shingrix ARs (solicited and unsolicited local and systemic).
Time frame: Through the end of the study
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study by age (< 50 and >= 50)
Time frame: Months 3 and 12
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 Nov 2026.
- Background: PubMed 25916341Lal H, Cunningham AL, Godeaux O, Chlibek R, Diez-Domingo J, Hwang SJ, Levin MJ, McElhaney JE, Poder A, Puig-Barbera J, Vesikari T, Watanabe D, Weckx L, Zahaf T, Heineman TC; ZOE-50 Study Group. Efficacy of an adjuvanted herpes zoster subunit vaccine in older adults. N Engl J Med. 2015 May 28;372(22):2087-96. doi: 10.1056/NEJMoa1501184. Epub 2015 Apr 28.
- Background: PubMed 25371534Berkowitz EM, Moyle G, Stellbrink HJ, Schurmann D, Kegg S, Stoll M, El Idrissi M, Oostvogels L, Heineman TC; Zoster-015 HZ/su Study Group. Safety and immunogenicity of an adjuvanted herpes zoster subunit candidate vaccine in HIV-infected adults: a phase 1/2a randomized, placebo-controlled study. J Infect Dis. 2015 Apr 15;211(8):1279-87. doi: 10.1093/infdis/jiu606. Epub 2014 Nov 3.
- NIH Clinical Center Detailed Web PageLink provided by the sponsor.
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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.
Maura M Manion, M.D. principal investigator
National Institute of Allergy and Infectious Diseases (NIAID)
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1/2 study testing Shingrix in people with Herpes Zoster, 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 21 inclusion and 16 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: looking for participants now, as of the sponsor's last update on 5 Nov 2026. 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 combined 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.
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Maura M Manion, M.D. ((301) 312-2103, maura.manion@nih.gov), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Fold change of anti-gE antibody concentrations evaluated regularly through the end of study (months 3 and 12) by CD4 count (< 300 and >= 300) (time frame: Months 3 and 12). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05580458, which also lists 2 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 5 Nov 2026.