NCT05145166

Brief Summary

This study of live attenuated mumps vaccines is an observational study in which active monitoring and passive monitoring were combined to conduct safety observation.The live attenuated mumps vaccines manufactured by Sinovac (Dalian) Vaccine Technology Co., Ltd.The purpose of this study is to evaluate the safety of live attenuated mumps vaccines after large-scale application and accumulate safety data for the application of live attenuated mumps vaccines,and provide scientific basis for the formulation of vaccine immunization prevention strategies.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
10,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Oct 2020

Shorter than P25 for all trials

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 6, 2020

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 6, 2020

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 25, 2021

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

November 25, 2021

Completed
11 days until next milestone

First Posted

Study publicly available on registry

December 6, 2021

Completed
Last Updated

December 6, 2021

Status Verified

November 1, 2021

Enrollment Period

1 month

First QC Date

November 25, 2021

Last Update Submit

November 25, 2021

Conditions

Outcome Measures

Primary Outcomes (2)

  • Safety index-the incidence of local and systemic adverse reactions

    The incidence of local and systemic adverse reactions from 0 day to 14 days after vaccination.

    From 0 day to 14 days after vaccination

  • Safety index-The incidence of local and systemic adverse reactions

    The incidence of local and systemic adverse reactions from 0 day to 30 days after vaccination.

    From 0 day to 30 days after vaccination.

Interventions

Safety groupBIOLOGICAL

All of the participants(N=10000) received one dose of live attenuated mumps vaccine.Vaccine will given by single intramuscular injection(0.5 ml) on day 0.

Eligibility Criteria

AgeUp to 14 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

In this study, only junior high school students under 14 years old who were judged by vaccination doctors to be eligible for vaccination and voluntarily received one dose of live attenuated mumps vaccine were enrolled.

You may qualify if:

  • Junior high school students under 14 years old;
  • The subjects and guardians of the subjects can understand and voluntarily sign the informed consent form ;
  • Subjects and their legal guardians are able to attend follow-up visits and follow all study procedures (such as cooperating in completing safety observation notes)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Baoji Center for Disease Prevention and Control

Baoji, Shanxi, 721006, China

Location

Xianyang Center for Disease Control and Prevention

Xianyang, Shanxi, 712000, China

Location

Yanan Center for Disease Prevention and Control

Yan’an, Shanxi, 716000, China

Location

Related Publications (1)

  • Hu W, Jia N, Meng W, Zhou T, Wang R, Xiong Y, Luan C, Zhang S. Safety analysis of a live attenuated mumps vaccine in healthy adolescents in China: A phase 4, observational, open-label trial. PLoS One. 2023 Sep 21;18(9):e0291730. doi: 10.1371/journal.pone.0291730. eCollection 2023.

Biospecimen

Retention: SAMPLES WITHOUT DNA

This study did not involve sample collection.Only adverse reactions/events at 30 minutes, 14 days and 30 days after vaccination of live attenuated mumps vaccine were collected by face-to-face or telephone follow-up.

MeSH Terms

Conditions

Mumps

Condition Hierarchy (Ancestors)

Rubulavirus InfectionsParamyxoviridae InfectionsMononegavirales InfectionsRNA Virus InfectionsVirus DiseasesInfectionsParotitisParotid DiseasesSalivary Gland DiseasesMouth DiseasesStomatognathic Diseases

Study Officials

  • Weijun Hu, Master

    Shaanxi Provincial Center for Disease Control and Prevention

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 25, 2021

First Posted

December 6, 2021

Study Start

October 6, 2020

Primary Completion

November 6, 2020

Study Completion

March 25, 2021

Last Updated

December 6, 2021

Record last verified: 2021-11

Locations