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HIV InfectionsNCT05450770

Immunity to Yellow Fever in HIV-infected Patients 10 Years After a Primary Anti-yellow Fever Vaccination

A study testing Yellow fever vaccination (STAMARIL) in people with HIV Infections and Yellow Fever, run by ANRS, Emerging Infectious Diseases.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

ANRS 0146s NovaaTen study aims to determine the vaccine responses in the participants of the ANRS EP46 Novaa trial 10 years after a primary anti-yellow fever vaccination Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
HIV Infections, Yellow Fever
What is being tested?
Yellow fever vaccination (STAMARIL)
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
No sites listed yet
Study dates
1 Nov 2024to 1 Nov 2024
Phase
Interventional
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 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Subjects included in the ANRS EP 46 NOVAA trial:
  • 40 HIV positive subjects from consultations for infectious diseases and travel medicine centers at Saint-Louis, Cochin-Pasteur and Bichat hospitals (on HAART for at least one year and not modified in the 3 months preceding the pre-inclusion visit, CD4 > 350/mm3 and a viral load <50 copies / mL for at least 6 months).
  • 20 HIV negative subjects from the consultation of travelers from Saint-Louis, Bichat and Cochin-Pasteur hospitals.
  • Subjects agreeing to be monitored according to the terms of the protocol.
  • Subjects affiliated to a Social Security scheme or beneficiaries of such a scheme.
  • Signature of informed consent.

Who cannot join

  • Non-volunteers for the 10-year follow-up
  • Subject under curatorship, guardianship or safeguard of justice.

Trial locations and contacts

No sites are listed yet.

About this study

Official title: The Yellow Fever Vaccine Immunity in HIV Infected Patients: Studies of Immunological Responses at 10 Years (ANRS 0146s NovaaTen)

ANRS 0146s NovaaTen study aims to determine the vaccine responses in the participants of the ANRS EP46 Novaa trial 10 years after a primary anti-yellow fever vaccination

Read the detailed description

The vaccine responses will be determined with the measurement of the neutralizing antibody titers using the neutralization tests PRNT and Pseudo type ACN 400 to M120 (ten years) in the participants of the ANRS EP 46 NOVAA trial, VIH+ and controls naïve to previous vaccination ten years after a primary anti-yellow fever vaccination.

Being tested
Yellow fever vaccination (STAMARIL)
Medical subject headings
HIV Infections, Yellow Fever

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Yellow fever vaccination (STAMARIL)Biological

    Yellow fever vaccination (STAMARIL) for HIV positive and negative subjects

Study groups in NCT05450770
Study groupRoleWhat they receive
HIV+ GROUPActive comparatorSubjects included in the ANRS EP 46 NOVAA trial: • 40 HIV positive subjects from consultations for infectious diseases and travel medicine centers at Saint-Louis, Cochin-Pasteur and Bichat hospitals (on HAART for at least one year and not modified in the 3 months preceding the pre-inclusion visit, CD4 > 350/mm3 and a viral load <50 copies / mL for at least 6 months).
Receives: Biological: Yellow fever vaccination (STAMARIL)
HIV- GROUPOtherSubjects included in the ANRS EP 46 NOVAA trial: • 20 HIV negative subjects from the consultation of travelers from Saint-Louis, Bichat and Cochin-Pasteur hospitals.
Receives: Biological: Yellow fever vaccination (STAMARIL)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Immuno-virologic criterion

    At Months 120 (10years), the antibody titers of neutralizers by PRNT (Plaque reduction neutralization test) and pseudotypes will be determined

    Measured: At Months 120 (10years)

Secondary outcomes (1)
  1. Predicting a sustained vaccine response 10 years later.

    To study the effect of clinical and biological factors in HIV+ patients (collection of data on: age; clinical examination; heart rate; weight; body temperature; blood pressure; CD4, CD8 and the CD4/CD8 ratio; the nadir and zenith of CD4; the duration of antiretroviral treatment; the duration of HIV infection) on the PRNT titers transformed into logarithm and the percentages of neutralization at ten years, uni and multivariate regressions are used.

    Measured: At Months 120 (10years)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jul 2022
  2. Study start1 Nov 2024 (estimated)
  3. Primary completion1 Nov 2024 (estimated)
  4. Study completion1 Nov 2024 (estimated)

Resources

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 N/A
Primary purpose
Prevention
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
Category 2, multi-centric intervention research comparing 2 parallel groups of 40 HIV + subjects and 20 HIV- subjects included in the ANRS EP46 NOVAA trial.
Masking
None (open label)
Enrolment
60 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05450770
Sponsor's protocol ID
ANRS 0146s NovaaTen
Status last verified
Jul 2024
First submitted
14 Jun 2022
Last updated
30 Jul 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Yellow fever vaccination (STAMARIL) in people with HIV Infections and Yellow Fever, run by ANRS, Emerging Infectious Diseases.

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 6 inclusion and 2 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: status not confirmed, as of the sponsor's last update on 30 Jul 2024. Status can change between updates, so confirm with the study contact before making plans.

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.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Nathalie COLIN DE VERDIERE (01.42.02.66.45, nathalie.colin-de-verdiere@aphp.fr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Immuno-virologic criterion (time frame: At Months 120 (10years)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 30 Jul 2024.

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