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MumpsNCT05145166

Safety Study of Live Attenuated Mumps Vaccines in Junior High School Students Under 14 Years Old

An observational study of Mumps, run by Sinovac (Dalian) Vaccine Technology Co., Ltd. at 3 sites in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial 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… Read more about this study

Who is it for?
Ages Up to 14 yearsHealthy volunteers can take part
Conditions the study is for
Mumps
What is being tested?
Safety group
How many people
10,000 participants
Where
3 sitesChina
Study dates
6 Oct 2020to 25 Mar 2021
Phase
Observational
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 Up to 14 years
  • All sexes
  • Healthy volunteers accepted
  • Child

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.

Who may be able to join

  • 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)

Who cannot join

  • -

Trial locations and contacts

3 sites in 1 country.

China3 sites
  • Baoji Center for Disease Prevention and Control

    Baoji, Shanxi, 721006

  • Xianyang Center for Disease Control and Prevention

    Xianyang, Shanxi, 712000

  • Yanan Center for Disease Prevention and Control

    Yan’an, Shanxi, 716000

Other trials in China

About this study

Official title: Safety Observation of Live Attenuated Mumps Vaccines in Junior High School Students Under 14 Years Old Vaccinated With Live Attenuated Mumps Vaccines in Shanxi Province

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.

Read the detailed description

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.Bao'ji, Xian'yang, Yan 'an and Han'zhong of Shaanxi Province were selected as the research center.A total of 10000 junior high school students under 14 years old who voluntarily received a dose of live attenuated mumps vaccines were be enrolled.Adverse reactions/events at 30 minutes, 14 days and 30 days after vaccination of live attenuated mumps vaccine were were collected by face-to-face or telephone follow-up.

Conditions
Mumps
Being tested
Safety group
Medical subject headings
Mumps

What participants receive

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

  • 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.

What is being measured

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

  1. 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.

    Measured: From 0 day to 14 days after vaccination

  2. 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.

    Measured: From 0 day to 30 days after vaccination.

Timeline

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

  1. First posted6 Dec 2021
  2. Study start6 Oct 2020
  3. Primary completion6 Nov 2020
  4. Study completion25 Mar 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
10,000 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05145166
Sponsor's protocol ID
PRO-MUMPS-4007
Status last verified
Nov 2021
First submitted
25 Nov 2021
Last updated
6 Dec 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • 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.

    PubMed 37733724

Questions about this trial

What is this clinical trial studying?

An observational study of Mumps, run by Sinovac (Dalian) Vaccine Technology Co., Ltd. at 3 sites in China.

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 3 inclusion and 1 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: finished, as of the sponsor's last update on 6 Dec 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in China. 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.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety index-the incidence of local and systemic adverse reactions (time frame: From 0 day to 14 days after vaccination). The study lists 2 primary outcomes in all. 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 NCT05145166, which also lists 1 linked publication.

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 6 Dec 2021; AzTrials last refreshed its copy on 7 Nov 2026.

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