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General Drug Use-Results survey of BESREMi

General Drug Use-Results survey in Japanese PV patients with BESREMi

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-jRCT2031240088
Enrollment
200
Registered
2024-05-16
Start date
2024-04-15
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

Patients with polycythemia vera (limited to cases where existing treatment is ineffective or inappro

Interventions

None listed

Sponsors

PMS group R&D Div. PharmaEssentia Japan K.K.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Among patients with polycythemia vera (limited to cases where existing treatment is ineffective or inappropriate), 1. Patients who have agreed to participate in this study 2. Patients who have received Clozapine since the conclusion of the research agreement for this study.

Exclusion criteria

Exclusion criteria: Patients with contraindications to administration in BESREMi package insert.

Design outcomes

Primary

MeasureTime frame
Safety issues 1. Severity and frequency of adverse events and side effects (including unknown events) 2. Adverse events and adverse reactions by patient background factors 3. Adverse events and adverse reactions by major organ category, serious adverse events and adverse reactions.

Secondary

MeasureTime frame
Efficacy 1. Haematological complete response rate (CHR), CHR rate over time, CHR persistence rate 2. Molecular genetic response (MR) rate 3. Absolute values (frequency) of haematocrit, white blood cell count, platelet count and phlebotomy frequency from baseline 4. Change from baseline in absolute values (frequency) of haematocrit values, white blood cell counts, platelet counts and phlebotomy frequency 5. Change from baseline in JAK2 V617F allele verden values

Contacts

Public ContactPharmaEssentia Japan K.K. PMS Group

PharmaEssentia Japan K.K.

pej-pms_jpn@pharmaessentia.com+81-3-6910-5103

Outcome results

None listed

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