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A phase 1/2 open-label, multicenter study to assess the safety, pharmacokinetics and anti-tumor activity of GTAEXS617 in patients with advanced solid tumors

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-508227-13-00
Acronym
GTAEXS617-001
Enrollment
112
Registered
2024-01-15
Start date
2023-06-19
Completion date
Unknown
Last updated
2026-01-14

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

Conditions

Advanced solid tumors

Brief summary

Incidence of DLTs during Cycle 1 of treatment (Phase 1), Incidence and severity of AEs, SAEs and TEAEs; safety parameters variations from baseline (Phase 1), Tolerability – Frequency of dose interruptions, dose reductions and dose intensity achieved (Phase 1), ORR assessed using RECIST v1.1 (Phase 2), Safety - Incidence and severity of AEs, SAEs and TEAEs; safety parameters variations from baseline (Phase 2), Tolerability – Frequency of dose interruptions, dose reductions and dose intensity achieved (Phase 2), Adherence – treatment diary(Phase 2)

Detailed description

Plasma and urine GTAEXS617 PK parameters including but not limited to: • Cmax, tmax, AUC0-last, AUC(0-inf), AUC(0-tau), accumulation of Cmax (Rcmax) and AUC(0-tau) (RAUC(0-tau)), t1/2, CL/F, and Vz/F (Phase 1 and 2) • By-interval and cumulative GTAEXS617 excretion in urine (Ae and fe), and CLr, GTAEXS617 as monotherapy and in combination with SoC • Plasma GTAEXS617 PK concentrations and, if appropriate, plasma PK parameters DCR, PFS, and DOR, assessed using RECIST (Phase 1 and 2), ORR, according to RECIST v1.1 Phase 1 (monotherapy & combination):

Interventions

DRUGFulvestrant Ribosepharm 250 mg Injektionslösung in einer Fertigspritze
DRUGPaclitaxel Kabi 6 mg/ml Konzentrat zur Herstellung einer Infusionslösung

Sponsors

Exscientia AI Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Incidence of DLTs during Cycle 1 of treatment (Phase 1), Incidence and severity of AEs, SAEs and TEAEs; safety parameters variations from baseline (Phase 1), Tolerability – Frequency of dose interruptions, dose reductions and dose intensity achieved (Phase 1), ORR assessed using RECIST v1.1 (Phase 2), Safety - Incidence and severity of AEs, SAEs and TEAEs; safety parameters variations from baseline (Phase 2), Tolerability – Frequency of dose interruptions, dose reductions and dose intensity achieved (Phase 2), Adherence – treatment diary(Phase 2)

Secondary

MeasureTime frame
Plasma and urine GTAEXS617 PK parameters including but not limited to: • Cmax, tmax, AUC0-last, AUC(0-inf), AUC(0-tau), accumulation of Cmax (Rcmax) and AUC(0-tau) (RAUC(0-tau)), t1/2, CL/F, and Vz/F (Phase 1 and 2) • By-interval and cumulative GTAEXS617 excretion in urine (Ae and fe), and CLr, GTAEXS617 as monotherapy and in combination with SoC • Plasma GTAEXS617 PK concentrations and, if appropriate, plasma PK parameters DCR, PFS, and DOR, assessed using RECIST (Phase 1 and 2), ORR, according to RECIST v1.1 Phase 1 (monotherapy & combination):

Countries

Belgium

Outcome results

None listed

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