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A PHASE I STUDY OF PRALSETINIB IN PATIENTS WITH RET ALTERED SOLID TUMOR

A PHASE I STUDY OF PRALSETINIB IN PATIENTS WITH RET ALTERED SOLID TUMOR

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031210144
Enrollment
15
Registered
2021-06-11
Start date
2021-07-20
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

RET altered solid tumor

Interventions

Pralsetinib will be administered orally, once daily at a dose of 400 mg.

Sponsors

Iwasa Satoru
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: [Tolerability assessment part] Histologically or cytologically documented solid tumors ECOG PS of Grade 0 or 1 RET alteration has been identified Advanced or recurrent cancer for which standard therapy is ineffective or for which no standard therapy exists [Continuous administration part] Does not meet the criteria for discontinuation of pralsetinib as defined in pre-transition study protocol

Exclusion criteria

Exclusion criteria: [Tolerability assessment part] Other than RET alteration, known major driver mutations have been identified There has been a history of administration of other selective RET inhibitors [Continuous administration part] Received any anticancer agent between the last dose of pralsetinib in pre-transition study and the first dose of this study in the continuous administration part

Design outcomes

Primary

MeasureTime frame
safety, phamacokinetics [Tolerability assessment part] Dose limiting toxicity Safety Pharmacokinetics [Continuous administration part] Safety

Secondary

MeasureTime frame
efficacy [Tolerability assessment part] Efficacy based on RECIST v1.1 Relationship between RET alteration and efficacy [Continuous administration part] Not established

Contacts

Public ContactClinical trials information

Chugai Pharmaceutical Co., Ltd.

clinical-trials@chugai-pharm.co.jp+81-120-189-706

Outcome results

None listed

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