Skip to content

Study of Olverembatinib (HQP1351) in Patients With CP-CML

A Global Multicenter, Open Label, Randomized, Phase 3 Registrational Study of Olverembatinib (HQP1351) in Patients with Chronic Phase Chronic Myeloid Leukemia - POLARIS-2

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2051260072
Enrollment
333
Registered
2026-06-09
Start date
2026-06-09
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

CP-CML

Interventions

Part A Drug: olverembatinib olverembatinib QOD Drug: Bosutinib Bosutnib QD Part B Drug: olverembatinib olverembatinib QOD

Sponsors

IQVIA Services Japan G.K. jRCT Inquiry Receipt Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients eligible for inclusion in this study must meet all of the following criteria. 1. Age >= 18 years old 2. Diagnosis of CML-CP 3. Part A: Previously treated with at least two approved TKIs 4. Part B: T315I mutation at screening and previously treated with at least one approved TKI, with no other effective and/or tolerable therapies available 5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) <= 2 6. Patients with adequate organ functions

Exclusion criteria

Exclusion criteria: Patients eligible for this study must not meet any of the following criteria. 1. For Part A only: T315I or V299L mutation at any time prior to starting study treatment. 2. Active infection that requires systemic drug therapy 3. Impairment of gastrointestinal (GI) function or GI disease that may significantly alter absorption of study drugs 4. Previous treatment with or known / suspected hypersensitivity to olverembatinib or any of its excipients. 5. Previous treatment with or known / suspected hypersensitivity to bosutinib or any of its excipients. 6. Pregnant or nursing (lactating) women.

Design outcomes

Primary

MeasureTime frame
MMR rate Part A: To compare the major molecular response (MMR) rate at 24 weeks of olverembatinib versus bosutinib MMR rate Part B: To evaluate the MMR rate by 24 weeks of olverembatinib in CML-CP patients with T315I mutation

Countries

Australia, Belgium, Brazil, Canada, France, Germany, Hong Kong (China), India, Italy, Japan, Mexico, Poland, Russia, Singapore, South Korea, Spain, Taiwan (China), Turkey, United Kingdom, United States

Contacts

Public ContactjRCT Inquiry Contact IQVIA Services Japan G.K.

IQVIA Services Japan G.K.

kei.kutsuzawa@iqvia.com+81-3-6859-9500

Outcome results

None listed

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