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2-305P2/3

KD2-305 phase II/III study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080224813
Enrollment
8
Registered
2019-07-31
Start date
2019-08-29
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

Congenital haemophilia with inhibitors

Interventions

Sponsors

KM Biologics Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1)Congenital haemophilia A or B patients with inhibitors to factor VIII or factor IX. (2)Patients who or whose legally acceptable representatives have provided written informed consent.

Exclusion criteria

Exclusion criteria: (1) Pediatric patients (aged 18 years or younger) for Part 1 (2) Patients undergoing immune tolerance induction (ITI) treatment (3) Patients with diseases that develop abnormality in the coagulation/fibrinolytic system other than the target disease of the study or suspected of such (4) Patients with hypercoagulability or such possibilities (5) Patients with a history of disseminated intravascular coagulation (DIC) or thromboembolism (6) Patients with a history of shock or hypersensitivity to protein preparations such as blood derivatives (7) Patients who have undergone surgical procedure and have not fully recovered when participating in the study or patients who are scheduled to undergo surgery during the study (8) Patients with acquired immunodeficiency syndrome (AIDS) defining illness (9) Patients with severe liver disorder or renal disorder (10) Patients with current serious medical conditions such as malignant tumor or leukaemia who will or are highly likely to undergo chemotherapy or radiotherapy during the study (11) Patients with hemolytic or blood loss anaemia (12) Patients who have participated in any other clinical study and received any investigational product within 1 month prior to the informed consent for the study or patients who are participating, or who are scheduled to participate during the study, in any other clinical study at the time of informed consent for the study (13) Patients who have received HEMLIBRA (R) Subcutaneous Injection within 4 months prior to the informed consent for the study (14) Patients who are considered ineligible for the study by the investigator or subinvestigator for any other reason

Design outcomes

Primary

MeasureTime frame
efficacy Annual bleeding rate safety Number of cases, number of patients, and incidence rate of adverse events

Secondary

MeasureTime frame
efficacy 1) Annual bleeding rate by groups divided by demographics 2) Annual bleeding rate by bleeding site 3) Time for treatment 4) HRQoL and health conditions other 1) PK/PD analysis from the initial to 4th doses in the regular treatment period 2) PK/PD assessment every 4 weeks in the regular treatment period

Countries

Japan

Contacts

Public ContactYasuhiko Shinmura

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