Clinical trialPhase 1Completed
Pembrolizumab In Combination With Debio 1143 In Pancreatic and Colorectal Advanced/Metastatic Adenocarcinoma
CATRIPCA - A Phase I Study of PD1 Monoclonal Antibody (Pembrolizumab) In Combination With a IAP Antagonist (Debio 1143) In (Exocrine) Pancreatic And Colorectal Non MSI-high Advanced/Metastatic Adenocarcinoma.
- Outcome
- Finished, no results posted
- Phase
- Phase 1
- Status
- Completed
- Study type
- Interventional
- Start
- 15 September 2019
- Expected end
- 8 June 2022
- Enrollment
- 54 participants
- Sites
- 1
- Primary outcomes
- Maximum Tolerated Dose; Recommended Dose for Phase 2; Extension Part Objective Response Rate
- Sponsor
- Other
- Results posted
- No
- Last update
- 17 February 2023
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Brief summary public domain (ClinicalTrials.gov)
This trial is a Phase I study to be conducted in patients with non-MSI-high advanced/metastatic pancreatic ductal adenocarcinoma (PDAC) or colorectal cancer (CRC) and is divided in two Parts. * Dose escalation Part :To determine the Maximum Tolerated Dose (MTD) and the Recommended Dose for Phase 2 (RP2D) of Debio1143 when combined with a fixed dose of Pembrolizumab. * Extension Part: To evaluate preliminary efficacy data of the proposed combination.
Detailed description public domain (ClinicalTrials.gov)
All patient wil receive a combinaison of Pembrolizumab and Debio 1143. Pembrolizumab is a potent and highly selective humanized monoclonal antibody (mAb) of the IgG4/kappa isotype designed to directly block the interaction between PD-1 and its ligands, PD-L1 and PD-L2. Debio 1143 is an investigational, oral monovalent second mitochondrial-derived activator of caspases (SMAC) mimetic designed to promote programmed cell death (apoptosis) in tumor cells and anti-tumour immunity. By antagonizing the activity of inhibitor of apoptosis proteins (IAPs (X-linked IAP \[XIAP\], cellular IAP 1 \[cIAP1\], cellular IAP 2 \[cIAP2\] and melanoma-linked IAP \[ML-IAP\])), Smac mimetics are an interesting treatment approach for cancer that may foster better tumor responses to chemo/radiotherapy- and/or immuno-therapy. A Dose escalation part (n= up to 18 patients ) aiming to define the Maximum Tolerated Dose and the the Recommended Dose for Phase 2 of the proposed combination. A classical 3+3 design will be used with a fixed dose of Pembrolizumab (200 mg, intravenous , to be administered on Day 1 of every 3-week cycle i.e. Q3W) and 3 escalating dose level of Debio 1143 administered daily for 14 days over a 21-day cycle period. There will be a 24-hour delay between the first and subsequent patients enrolled in each DL cohort to maximize the safety of enrolled patients. An extension part (n=28 patients: 14 patients per cohort) aiming to evaluate the clinical activity of the proposed combination.