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A phase 1/2 open-label study of Debio 0123 in combination with temozolomide in adult participants with recurrent or progressive glioblastoma and of Debio 0123 in combination with temozolomide and radiotherapy in adult participants with newly diagnosed glioblastoma

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502156-31-00
Acronym
Debio 0123-GBM-105
Enrollment
55
Registered
2023-04-27
Start date
2023-05-26
Completion date
Unknown
Last updated
2025-11-03

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

Conditions

Glioblastoma

Brief summary

Phase 1 (Arms A and B/C): Occurrence of Drug Limiting Toxicities, Phase 1 (Arms A and B/C): Occurrence and severity of TEAEs, serious TEAEs, TEAEs leading to death, and TEAEs leading to treatment discontinuation and/or dose modifications, graded according to NCI-CTCAE, Phase 1 (Arms A and B/C): Laboratory parameters and related severity based on NCI-CTCAE, Phase 1 (Arms A and B): Occurrence of treatment discontinuations and treatment modifications due to TEAEs and laboratory abnormalities, Phase 1 (Arms A and B/C): Changes from baseline in parameters of vital signs, ECG, echocardiogram, and KPS, Phase 1 – dose expansion: Occurrence and severity of TEAEs graded according to NCI- CTCAE 5.0, Phase 1 – dose expansion: OR as per RANO and change from baseline in tumor size, Phase 1 – dose expansion: PDy (change from baseline in pCDC2), Phase 1 – dose expansion: Plasma exposure of Debio 0123 and its metabolite, Phase 2: Overall Survival

Detailed description

Phase 1 - Arm A: PK profile and PK parameters of Debio 0123 and its metabolite after repeated dosing including but not limited to: Cmax, Ctrough, tmax, AUClast., Phase 1 - Arm A: PK profile and parameters of TMZ after repeated dosing, including but not limited to: Cmax, AUClast, Ctrough., Phase 1 (Arm A, B/C and dose expansion) and Phase 2: Tumor response according to the RANO criteria: BOR, OR, DC., Phase 1 (Arm A, B/C and dose expansion) and Phase 2: DOR and PFS according to RANO criteria., Phase 1 - Arm B/C: PK profile and PK parameters of Debio 0123 and its metabolite after repeated dosing, including but not limited to: Cmax, Ctrough, tmax, AUClast., Phase 1 - Arm B/C: PK profile and parameters of TMZ, including but not limited to: Cmax, AUClast, Ctrough., Phase 1 dose expansion and phase 2: Occurrence and severity of TEAEs, serious TEAEs, TEAEs leading to death, and TEAEs leading to treatment discontinuation and/or dose modifications, graded according to NCI-CTCAE., Phase 1 dose expansion and phase 2: Laboratory parameters and related severity based on NCI-CTCAE 5.0, Phase 1 dose expansion and phase 2: Occurrence of treatment discontinuations and treatment modifications due to TEAEs and laboratory abnormalities., Phase 1 dose expansion and phase 2: Changes from baseline in parameters of vital signs, ECG, echocardiogram, and KPS., Phase 1 dose expansion: PK parameters of Debio 0123 and its metabolite, including but not limited to Ctrough and AUC, Phase 1 dose expansion: Overall Survival, Phase 2: PK parameters of Debio 0123 and its metabolite as applicable, including but not limited to: Ctrough and AUC

Interventions

Sponsors

Debiopharm International S.A.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Phase 1 (Arms A and B/C): Occurrence of Drug Limiting Toxicities, Phase 1 (Arms A and B/C): Occurrence and severity of TEAEs, serious TEAEs, TEAEs leading to death, and TEAEs leading to treatment discontinuation and/or dose modifications, graded according to NCI-CTCAE, Phase 1 (Arms A and B/C): Laboratory parameters and related severity based on NCI-CTCAE, Phase 1 (Arms A and B): Occurrence of treatment discontinuations and treatment modifications due to TEAEs and laboratory abnormalities, Phase 1 (Arms A and B/C): Changes from baseline in parameters of vital signs, ECG, echocardiogram, and KPS, Phase 1 – dose expansion: Occurrence and severity of TEAEs graded according to NCI- CTCAE 5.0, Phase 1 – dose expansion: OR as per RANO and change from baseline in tumor size, Phase 1 – dose expansion: PDy (change from baseline in pCDC2), Phase 1 – dose expansion: Plasma exposure of Debio 0123 and its metabolite, Phase 2: Overall Survival

Secondary

MeasureTime frame
Phase 1 - Arm A: PK profile and PK parameters of Debio 0123 and its metabolite after repeated dosing including but not limited to: Cmax, Ctrough, tmax, AUClast., Phase 1 - Arm A: PK profile and parameters of TMZ after repeated dosing, including but not limited to: Cmax, AUClast, Ctrough., Phase 1 (Arm A, B/C and dose expansion) and Phase 2: Tumor response according to the RANO criteria: BOR, OR, DC., Phase 1 (Arm A, B/C and dose expansion) and Phase 2: DOR and PFS according to RANO criteria., Phase 1 - Arm B/C: PK profile and PK parameters of Debio 0123 and its metabolite after repeated dosing, including but not limited to: Cmax, Ctrough, tmax, AUClast., Phase 1 - Arm B/C: PK profile and parameters of TMZ, including but not limited to: Cmax, AUClast, Ctrough., Phase 1 dose expansion and phase 2: Occurrence and severity of TEAEs, serious TEAEs, TEAEs leading to death, and TEAEs leading to treatment discontinuation and/or dose modifications, graded according to NCI-CTCAE., Phase 1 dose

Countries

Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026