This is a multi-center, open-label Phase 1b study of SLC-0111 (oral) in combination with IV gemcitabine in CA IX positive subjects with mPDAC and comprises of 2 parts:
This is a multi-center, open-label Phase 1b study of SLC-0111 (oral) in combination with IV gemcitabine in CA IX positive subjects with mPDAC and comprises of 2 parts:
Biopsy or archival tissue will be collected and tested for the presence of CAIX via Immunohistochemistry (IHC) and only subjects positive for CAIX will be enrolled in the dose-escalation and dose-expansion parts. Part 2 can only begin after a dosing regimen has been characterized in Part 1. Subjects who participated in Part 1 of study will not be eligible to participate in Part 2.
The dose escalation will aim to identify the safety, tolerability and MTD of the oral formulation of SLC-0111 in combination with IV gemcitabine. Additional subjects may be enrolled at the MTD in dose expansion cohort. Data collected will allow evaluation of safety, tolerability, PK, Pharmacodynamics (PD) and tumour response of SLC-0111 in combination with gemcitabine.
A traditional 3 + 3 dose escalation design will be utilized for this study. Cohorts (same dose level) of 3 to 6 evaluable subjects will participate in a dose escalation scheme in which the dose of SLC-0111 will be increased in each consecutive cohort. Dose escalation to a new cohort of subjects will occur after review of available Cycle 1 data. The dose of SLC-0111 will be escalated based on Table 1 and Table 2 in the protocol. Based on emerging data alternative dosing schedules, or dose reductions may be considered. Gemcitabine will be administered at the standard dose (1000 mg/m^2) and schedule (day 1, 8, and 15 of each cycle) but dose reductions may be considered if necessary.
Following the identification of a Cohort that exceeds the MTD, the next lowest dose, or an intermediate dose level may be further explored.
The MTD will be defined as the highest dose level at which no more than 1 of 6 subjects demonstrates DLTs.
Intra-subject dose escalation will not be allowed in this study.
| Condition | Metastatic Pancreatic Ductal Adenocarcinoma |
|---|---|
| Treatment | SLC-0111, Gemcitabine Injection |
| Clinical Study Identifier | NCT03450018 |
| Sponsor | British Columbia Cancer Agency |
| Last Modified on | 27 June 2022 |
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