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NCT02279589: HYPOPNEUMO

Open Randomized Trial Evaluating Four Anti-pneumococcal Vaccine Strategies With Fractionated Doses of Non Conjugate Polysaccharide Vaccine to Prevent Hyporesponse in Healthy Volunteers

Completed Phase 2 Last updated 31 July 2021
What this trial tests

Phase 2 trial testing Pneumo 23® 0,5 in Pneumococcal Infection in 60 participants. Completed in 6 September 2018.

Timeline
4 December 2014
Primary endpoint
1 June 2016
6 September 2018

Quick facts

Lead sponsorAssistance Publique - Hôpitaux de Paris
PhasePhase 2
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposeprevention
Enrollment60
Start date4 December 2014
Primary completion1 June 2016
Estimated completion6 September 2018

Drugs / interventions tested

Conditions studied

Sponsor

Assistance Publique - Hôpitaux de Paris — full company profile →

Who can join

Adults 18 to 49, any sex, with Pneumococcal Infection. Healthy volunteers can join.

What's being measured

Primary outcomes are the specific endpoints the trial is designed to prove or disprove.

Sponsor's own description

Immune response analysis after the combination of PCV13 and PPV23 will lead to evaluate if a prime with PCV13 help to obtain a good response to repeated dose of PPV23.The hyporesponsiveness following the unconjugated vaccine is associated with high polysaccharide antigen concentration. Several issues limit the development and recommendation of anti-pneumococcal vaccine in adult's patients at risk. Reduced doses of unconjugated polysaccharide antigens would bypass the hyporesponsiveness and maintain the expanded coverage serotype. A better knowledge of immune response following the combination of two vaccines in adults is essential. In addition, adults are required to be exposed to repeated doses of polysaccharide antigens by vaccine or by natural exposure, it is important to determine the extend and duration of any hyporesponsiveness. The main objective is to evaluate if non conjugate polysaccharidique fractionated doses administered after a conjugate vaccine help to avoid hyporesponse in a schedule with repeated injections of pneumococcal polysaccharidique vaccine

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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Other recruiting trials for Pneumococcal Infection

Currently open trials in the same condition.

Other Assistance Publique - Hôpitaux de Paris trials

Trials by the same sponsor.

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Data sources for this page

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