# the Five-year Antibody Persistence After Immunization With IPV, MMR and HepA-L Vaccines

> **NCT07338851** · — · NOT_YET_RECRUITING · sponsor: **China National Biotec Group Company Limited** · enrollment: 600 (estimated)

## Conditions studied

- Polio
- Measles
- Rubella
- Mumps
- Hepatitis A

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07338851
- **Lead sponsor:** China National Biotec Group Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-01-30
- **Primary completion:** 2026-12-31
- **Final completion:** 2027-12-31
- **Target enrollment:** 600 (ESTIMATED)
- **Last updated:** 2026-01-14

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07338851

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07338851, "the Five-year Antibody Persistence After Immunization With IPV, MMR and HepA-L Vaccines". Retrieved via AI Analytics 2026-09-21 from https://api.ai-analytics.org/clinical/NCT07338851. Licensed CC0.

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