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Multicenter, evaluator-blind, randomized, parallel-group, comparative study to evaluate immunogenicity and safety by intramuscular injection of KD-370 in infants

KD-370 Phase II Study on route of administration

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223918
Enrollment
100
Registered
2018-05-29
Start date
2018-05-29
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 pertussis, diphtheria, tetanus, acute poliomyelitis, and invasive disease caused bay Haemophilus influenzae type b

Interventions

Sponsors

KM Biologics Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Infants who are able to receive 4 doses of the investigational drug at defined intervals between the age of 2 months and 60 months - Infants who obtain written informed consent from their legally acceptable representatives

Exclusion criteria

Exclusion criteria: - Infants having a medical history of Hib infection, pertussis, diphtheria, tetanus, or acute poliomyelitis (polio) (based on interview of their legally acceptable representatives) - Infants who have received vaccination for Hib, pertussis, diphtheria, tetanus, or acute poliomyelitis (polio) (Confirm Mother and Child Health Handbook) - Infants who previously exhibited anaphylaxis by components contained in the investigational drug - Infants who have received another investigational drug in another clinical trial within 4 months (120 days) prior to administration of investigational drug in this trial or those who plan to participate in another clinical trial during this clinical trial - Infants with fibrodysplasia ossificans progressiva - Infants who are judged as ineligible for participation in this clinical trial by the principal investigator or sub-investigator

Design outcomes

Primary

MeasureTime frame
efficacy Seropositivity rates against polyribosyl ribitol phosphate (>= 1 mcg/mL), pertussis toxin, filamentous hemagglutinin, diphtheria toxin, tetanus toxoid, poliovirus types 1, 2, and 3 (Sabin strain) after primary immunization

Secondary

MeasureTime frame
efficacy - Seropositivity rate (>= 0.15 mcg/mL) against polyribosyl ribitol phosphate after primary immunization - Seropositivity rates against poliovirus types 1 (Mahoney strain), 2 (MEF-1 strain), and 3 (Saukett strain) after primary immunization - Seropositivity rates against polyribosyl ribitol phosphate (>= 1 mcg/mL and >= 0.15 mcg/mL), pertussis toxin, filamentous hemagglutinin, diphtheria toxin, tetanus toxoid, poliovirus types 1, 2, and 3 (Sabin strain), poliovirus types 1 (Mahoney strain), 2 (MEF-1 strain), and 3 (Saukett strain) after booster immunization - The geometric mean titers against polyribosyl ribitol phosphate, pertussis toxin, filamentous hemagglutinin, diphtheria toxin, tetanus toxoid, poliovirus types 1, 2, and 3 (Sabin strain), and poliovirus types 1 (Mahoney strain), 2 (MEF-1 strain), and 3 (Saukett strain) after primary immunization - The geometric mean titers against polyribosyl ribitol phosphate, pertussis toxin, filamentous hemagglutinin, diphtheria toxin, tetanus toxoid, poliovirus types 1, 2, and 3 (Sabin strain), and poliovirus types 1 (Mahoney strain), 2 (MEF-1 strain), and 3 (Saukett strain) after booster immunization

Countries

Japan

Contacts

Public ContactMasatoshi Yamashita

KM Biologics Co., Ltd.

rinkai-jrct@kmbiologics.com+81-968-37-4073

Outcome results

None listed

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