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Phase III study of BK1601 in Japanese pediatric subjects

A observer-blind, active-controlled, multi-center, phase III, comparative study of the efficacy and safety of BK1601 and MR vaccine in Japanese pediatric subjects aged from 5 years to 7 years old.

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080225149
Enrollment
120
Registered
2020-04-01
Start date
2020-04-02
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of measles and rubella

Interventions

Sponsors

The Research Foundation for Microbial Diseases of Osaka University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Japanese healthy and pediatric subjects aged from 5 years to 7 years old before elementary school. 2. Subjects who had been vaccinated against measles and rubella at the age of one. 3. Subjects who had not been vaccinated against measles and rubella since the age of one. 4. Subject's guardians (Parents) are able and willing to comply with study procedures and provide the signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Subjects who had history of measles or rubella. 2. Subjects who had are known exposure to measles or rubella during the period starting from 28 days or less prior to study administration. 3. Subjects who had history of anaphylaxis to food or drug. 4. Subjects who had histories of cardiovascular disease, blood system, liver, kidney, digestive system, metabolism, neuropsychiatric disease. 5. Subjects who have a current history of apparent immunologic disorder and/or under immunosuppressive therapy. 6. Subjects who received blood transfusion and/or gamma globulin preparation from 3 months (Day-84) or less, and/or received high-dose therapy (200 mg /kg or more) of gamma globulin preparation from 6 months (Day-168) or less prior to study administration. 7. Subjects who have received other investigational products from 4 month (Day-112) or less prior to study administration. 8. Subjects who received a live vaccine from 27 days (Day-27) or less prior, and/or inactivated vaccine from 6 days (Day-6) or less prior and/or toxoid from 6 days (Day-6) or less prior to study administration. 9. Those who are medically decided to be unsuitable for this study by the investigator or the sub investigator due to factors other than above.

Design outcomes

Primary

MeasureTime frame
efficacy Geometric mean titer (GMT) and GMT increase of measles virus neutralizing antibodies and rubella virus HI antibodies after study administration. efficacy Seroprotection rate of measles virus neutralizing antibodies and rubella virus HI antibodies after study administration. safety Adverse events and adverse reactions

Secondary

MeasureTime frame
efficacy Geometric mean titer (GMT) and GMT increase of measles virus neutralizing antibodies and rubella virus HI antibodies after study administration. efficacy Seroconversion rate of measles virus neutralizing antibodies and rubella virus HI antibodies after study administration. efficacy Geometric mean titer (GMT) and GMT increase of measles virus neutralizing antibodies and rubella virus HI antibodies compared by MR vaccine had been vaccinatedat at the age of one. efficacy Seroconversion rate of measles virus neutralizing antibodies and rubella virus HI antibodies compared by MR vaccine had been vaccinatedat at the age of one.

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026