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A Phase 3, Multi-regional, Open-label, Randomized Study of Tirabrutinib vs Rituximab and Temozolomide in Participants with Relapsed/Refractory Primary Central Nervous System Lymphoma

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-523389-26-00
Enrollment
6
Registered
2026-05-14
Start date
Unknown
Completion date
Unknown
Last updated
2026-05-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Relapsed/refractory primary central nervous system lymphoma

Brief summary

PFS based on blinded Independent Review Committee (BIRC) assessment according to International Primary Central Nervous System Lymphoma Collaborative Group (IPCG) criteria, defined as time from randomization to progressive disease (PD) or death due to any cause, whichever occurs first.

Detailed description

ORR based on BIRC per IPCG criteria, defined as the percentage of participants with a best overall response of complete response (CR), unconfirmed complete response (CRu), or partial response (PR)., OS, defined as the time from randomization until death due to any cause., CRR, BOR, TTR, TTCR, DOR, and DFS by BIRC: CRR based on BIRC per IPCG criteria, defined as the percentage of participants with a best overall response of CR or CRu, BOR based on BIRC per IPCG criteria, defined as the best response from randomization to the date of PD or the date of initiation of subsequent anticancer therapy for PCNSL, whichever occurs first., TTR based on BIRC per IPCG criteria, defined as time between randomization and the date of first response of CR, CRu, or PR., TTCR based on BIRC per IPCG criteria, defined as the time between randomization and the date of first complete response (CR or CRu)., DOR based on BIRC per IPCG criteria, defined as the time between the date of first response (CR, CRu, or PR) and the date of the first PD or date of death due to any cause, whichever occurs first., DFS based on BIRC per IPCG criteria, defined as the time between the date of first complete response (CR or CRu) and the date of the first PD, or date of death due to any cause, whichever occurs first., Change from baseline in Corticosteroid dose

Interventions

DRUGTemomedac 5 mg hard capsules
DRUGTruxima 500 mg concentrate for solution for infusion

Sponsors

Deciphera Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
PFS based on blinded Independent Review Committee (BIRC) assessment according to International Primary Central Nervous System Lymphoma Collaborative Group (IPCG) criteria, defined as time from randomization to progressive disease (PD) or death due to any cause, whichever occurs first.

Secondary

MeasureTime frame
ORR based on BIRC per IPCG criteria, defined as the percentage of participants with a best overall response of complete response (CR), unconfirmed complete response (CRu), or partial response (PR)., OS, defined as the time from randomization until death due to any cause., CRR, BOR, TTR, TTCR, DOR, and DFS by BIRC: CRR based on BIRC per IPCG criteria, defined as the percentage of participants with a best overall response of CR or CRu, BOR based on BIRC per IPCG criteria, defined as the best response from randomization to the date of PD or the date of initiation of subsequent anticancer therapy for PCNSL, whichever occurs first., TTR based on BIRC per IPCG criteria, defined as time between randomization and the date of first response of CR, CRu, or PR., TTCR based on BIRC per IPCG criteria, defined as the time between randomization and the date of first complete response (CR or CRu)., DOR based on BIRC per IPCG criteria, defined as the time between the date of first response (CR, CRu, or

Outcome results

None listed

Source: EU CTIS · Data processed: May 15, 2026