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Clinical Trial Record

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First in Human Phase1/2a Clinical Trial of Anti-PAUF Monoclonal Antibody PBP1510 in Patients With Pancreatic Cancer

2023-06-05

2026-02

2026-12

80

Study Overview

First in Human Phase1/2a Clinical Trial of Anti-PAUF Monoclonal Antibody PBP1510 in Patients With Pancreatic Cancer

The first in human clinical study is planned as an open-label, dose-escalation, and dose-expansion, multicentre, two-part, Phase 1/2a study of PBP1510 administered to patients with advanced/metastatic pancreatic cancer. The study will be conducted in two parts, Part 1 as a PBP1510 single agent dose-escalation, and PBP1510 dose-escalation in combination with gemcitabine, and Part 2 as PBP1510 dose-expansion at the RP2D in combination with gemcitabine.

The first in human clinical study is planned as an open-label, multicentre, two-part, Phase 1/2a study to assess the safety, pharmacokinetics, and efficacy of PBP1510 in patients with advanced/metastatic pancreatic cancer. Part 1 (Phase 1) is a dose-escalation phase, wherein PBP1510 will be administered, as monotherapy (monotherapy cohorts) or in combination with gemcitabine (combination cohorts) in advanced/metastatic pancreatic cancer patients whose tumours have progressed on at least one previous line of chemotherapy for locally advanced/metastatic disease. The RP2D will be selected based on the analysis of the PK, safety, and efficacy data. Part 2 (Phase 2a) will be an open-label study and patients will be administered the RP2D of PBP1510 derived from Part 1, in combination with gemcitabine for advanced/metastatic pancreatic cancer patients whose tumour has progressed on one previous line of chemotherapy for locally advanced/metastatic disease.

  • Pancreatic Cancer
  • DRUG: PBP1510 (400mg/16mL)
  • DRUG: Gemcitabine (1000 mg/m^2)
  • PAUF-I
  • 2024-514379-16-00 (CTIS Identifier) (CTIS: )
  • 2021-000682-32 (EUDRACT_NUMBER Identifier) (EUDRACT_NUMBER: )

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates Results Reporting Dates Study Record Updates

2021-08-27  

N/A  

2025-05-31  

2021-11-18  

N/A  

2025-06-04  

2021-12-02  

N/A  

2025-05  

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

Design Details

Primary Purpose:
Treatment

Allocation:
Non Randomized

Interventional Model:
Sequential

Masking:
None

Arms and Interventions

Participant Group/ArmIntervention/Treatment
EXPERIMENTAL: Cohort 1M

1 mg/kg of PBP1510 as monotherapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion
EXPERIMENTAL: Cohort 1C

1 mg/kg of PBP1510 and 1000 mg/m^2 of gemcitabine as combination therapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion

DRUG: Gemcitabine (1000 mg/m^2)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion in combination with 1000 mg/m2 gemcitabine administered as a 30-minute intravenous infusion.
EXPERIMENTAL: Cohort 2M

3 mg/kg of PBP1510 as monotherapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion
EXPERIMENTAL: Cohort 2C

3 mg/kg of PBP1510 and 1000 mg/m^2 of gemcitabine as combination therapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion

DRUG: Gemcitabine (1000 mg/m^2)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion in combination with 1000 mg/m2 gemcitabine administered as a 30-minute intravenous infusion.
EXPERIMENTAL: Cohort 3M

6 mg/kg of PBP1510 as monotherapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion
EXPERIMENTAL: Cohort 3C

6 mg/kg of PBP1510 and 1000 mg/m^2 of gemcitabine as combination therapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion

DRUG: Gemcitabine (1000 mg/m^2)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion in combination with 1000 mg/m2 gemcitabine administered as a 30-minute intravenous infusion.
EXPERIMENTAL: Cohort 4M

10 mg/kg of PBP1510 as monotherapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion
EXPERIMENTAL: Cohort 4C

10 mg/kg of PBP1510 and 1000 mg/m^2 of gemcitabine as combination therapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion

DRUG: Gemcitabine (1000 mg/m^2)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion in combination with 1000 mg/m2 gemcitabine administered as a 30-minute intravenous infusion.
EXPERIMENTAL: Cohort 5M

15 mg/kg of PBP1510 as monotherapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion
EXPERIMENTAL: Cohort 5C

15 mg/kg of PBP1510 and 1000 mg/m^2 of gemcitabine as combination therapy will be administered

DRUG: PBP1510 (400mg/16mL)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion

DRUG: Gemcitabine (1000 mg/m^2)

  • Humanized immunoglobulin G1 (IgG1) monoclonal antibody (mAb) that targets and neutralizes PAUF, administered as a 90-minute intravenous infusion in combination with 1000 mg/m2 gemcitabine administered as a 30-minute intravenous infusion.
Primary Outcome MeasuresMeasure DescriptionTime Frame
PART 1 (PHASE 1): To evaluate safety and tolerability of PBP1510As assessed by evaluation of adverse events and serious adverse events (AE & SAE). AEs will be coded using MedDRA and grouped by system organ class and preferred term. An AE which is fatal or life threatening will be considered as SAE.Baseline to Safety Follow Up visit (90 days after last dose of PBP1510)
PART 1 (PHASE 1): Dose limiting toxicity (DLT) evaluationDLTs will be assessed by the Investigator using the NCI-CTCAE V5.0.During first treatment cycle (each cycle is 28 days)
PART 2 (PHASE 2a): To establish safety of PBP1510 in combination with gemcitabineAs assessed by evaluation of AEs and SAEs. AEs will be coded using MedDRA and grouped by system organ class and preferred term. An AE which is fatal or life threatening will be considered as SAE.Baseline to Safety Follow Up visit (90 days after last dose of PBP1510)
PART 2 (PHASE 2a): To assess the efficacy of PBP1510 in combination with gemcitabineAs assessed by objective response rate (ORR; rate of patients with complete response [CR] or partial response [PR]) evaluated by Response Evaluation Criteria in Solid Tumours version v1.1 (RECIST v1.1).Baseline to End of Treatment visit (28 days after last dose of PBP1510)
PART 1 (PHASE 1): Determine the recommended Phase 2a dose (R2PD) of PBP1510The RP2D will be selected based on the analysis of the PK, safety, and efficacy data.After last patient enrolled in last dosing cohort completes 4 cycles of treatment. Each cycle is 28 days.
Secondary Outcome MeasuresMeasure DescriptionTime Frame
PART 1 (PHASE 1): Peak concentration (Cmax) of PBP1510 (µg/ml)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseCycle (C) 1 Day (D) 1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Time to reach Cmax (Tmax) of PBP1510 (hr)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Terminal elimination half-life (t1/2) of PBP1510 (hr)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Area under the concentration-time curve (AUC) of PBP1510 (hr*µg /ml)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Mean residence time (MRT) of PBP1510 (hr)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Volume of distribution at steady state (Vss) of PBP1510 (mL/kg)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Volume of the central compartment (Vc) of PBP1510 (mL/kg)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Clearance (CL) of PBP1510 (mL/kg/hr)administered as monotherapy, and in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic diseaseC1D1, C1D2, C1D3, C1D5, C1D8, C1D15, C1D22, C2D1, C2D8, C2D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 1 (PHASE 1): Peak concentration (Cmax) of gemcitabine (µg/ml)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Time to reach Cmax (Tmax) of gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Terminal elimination half-life (t1/2) of gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Area under the concentration-time curve (AUC) of gemcitabine (hr*µg /ml)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Mean residence time (MRT) of gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Clearance (CL) of gemcitabine (mL/kg/hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15. Each cycle is 28 days.
PART 1 (PHASE 1): Presence of anti-drug antibody (ADA) and neutralizing antibodies (NAb) against PBP1510 administered as monotherapy, and in combination with gemcitabine.following IV administration, in patients with pancreatic cancer whose tumours have progressed after at least one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D15, C2D1, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Trough concentration (Ctrough) of PBP1510 (µg/ml)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Peak concentration (Cmax) of PBP1510 (µg/ml)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Time to reach Cmax (Tmax) of PBP1510 (hr)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Terminal elimination half-life (t1/2) of PBP1510 (hr)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Area under the concentration-time curve (AUC) of PBP1510 (hr*µg /ml)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Mean residence time (MRT) of PBP1510 (hr)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Volume of distribution at steady state (Vss) of PBP1510 (mL/kg)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Volume of the central compartment (Vc) of PBP1510 (mL/kg)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Clearance (CL) of PBP1510 (mL/kg/hr)administered in combination with gemcitabine, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow Up visit (90 days after last dose of PBP1510). Each cycle is 28 days.
PART 2 (PHASE 2a): Trough concentration (Ctrough) of Gemcitabine (µg/ml)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Peak concentration (Cmax) of Gemcitabine (µg/ml)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Time to reach Cmax (Tmax) of Gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Terminal elimination half-life (t1/2) of Gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Area under the concentration-time curve (AUC) of Gemcitabine (hr*µg /ml)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Mean residence time (MRT) of Gemcitabine (hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Clearance (CL) of Gemcitabine (mL/kg/hr)administered in combination with PBP1510, following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C1D8, C1D15, C2D1, C2D8, C2D15, C3D1, C3D8, C3D15, C4D1, C4D8, C4D15. Each cycle is 28 days.
PART 2 (PHASE 2a): Progression-free survival (PFS) after treatment with PBP1510 administered in combination with gemcitabinein patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.From the first PBP1510 infusion to date of first documentation of progressive disease or death from any cause, through study completion (approximately 1 year)
PART 2 (PHASE 2a): Overall Survival (OS) after treatment with PBP1510 administered in combination with gemcitabinein patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.From the first PBP1510 infusion to the date of death due to any cause, through study completion (approximately 1 year)
PART 2 (PHASE 2a): Duration of Response (DoR) after treatment with PBP1510 administered in combination with gemcitabinein patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.from the first documentation of overall response (CR or PR) post first PBP1510 infusion to the first documentation of disease progression or death from any cause, through study completion (approximately 1 year)
PART 2 (PHASE 2a): Presence of ADA and NAb against PBP1510 administered in combination with gemcitabine.following IV administration, in patients with pancreatic cancer whose tumours have progressed after one previous line of chemotherapy for locally advanced/metastatic disease.C1D1, C2D1, C3D1, C4D1, End of Treatment visit (28 days after last dose of PBP1510) and Safety Follow-up visit (90 days after last dose of PBP1510). Each cycle is 28 days.

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Name: Mei Li Lim

Phone Number: +65-6924-6535

Email: meili.lim@prestigebio.com

Study Contact Backup

Name: Fang Ting Pan

Phone Number: +65-6924-6535

Email: fangting.pan@prestigebio.com

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person’s general health condition or prior treatments.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
18 Years

Accepts Healthy Volunteers:

    Inclusion Criteria:
    Patients enrolling into Part 1 (Phase 1), or Part 2 (Phase 2a) must meet all of the following inclusion criteria:
    1. Adults ≥ 18 years of age (or the legal age of majority in the country of recruitment) at the time consent is obtained. 2. Patient should understand, voluntarily sign, and date the written consent form prior to any protocol-specific procedures. 3. Performance Status score less than or equal to 1 according to the Eastern Cooperative Oncology Group (ECOG) scale. 4. Have histological or cytological evidence of a diagnosis of pancreatic cancer that is advanced and/or metastatic. 5. Have a life expectancy of ≥ 3 months. 6. No other malignancy present that would interfere with the current intervention. 7. Prior radiation therapy for treatment of cancer is allowed to < 25% of the bone marrow, and patients must have recovered from the acute toxic effects of their treatment prior to study enrolment. Prior radiotherapy must be completed at least 4 weeks before the first dose of study treatment. 8. At least one measurable lesion as per RECIST v1.1 9. Adequate baseline organ function defined as:
    ANC ≥ 1.5 × 10^9 /L; Haemoglobin ≥ 9 g/dL; Platelets ≥ 100 × 10^9 /L; Total bilirubin ≤ 2 × ULN (≤ 3 x ULN for patients with biliary stenting and patients with Gilbert's syndrome); AST and ALT < 3 x ULN (≤ 5 x ULN for patients with hepatic metastases); Serum creatinine OR creatinine clearance (as determined by the Cockcroft Gault formula) OR eGFR based on MDRD ≤ 1.5 x ULN OR ≥ 50 mL/min OR ≥ 50 mL/min/1.73 m^2; LVEF ≥ 50% by ECHO or MUGA; QTc ≤ 470 ms 10. Female patients of nonchildbearing potential must meet at least 1 of the following criteria: have undergone a documented hysterectomy, and/or bilateral oophorectomy; have medically confirmed ovarian failure or achieved postmenopausal status. A postmenopausal state is defined as cessation of regular menses for at least 12 consecutive months with no alternative pathological or physiological cause and have a follicle stimulating hormone (FSH) level confirming the postmenopausal state in women not using hormonal contraception or hormonal replacement therapy. Female patients of childbearing potential must have a negative serum pregnancy test within 28 days prior to and negative urine pregnancy test just prior to the first dose of PBP1510 and agree to use effective contraception, in accordance with the recommendations of the Clinical Trials Facilitation and Coordination Group (CTFG) from study entry and until for at least 6 months after the last dose of PBP1510. 11. For women of childbearing potential and men with partners of childbearing potential, agreement (by patient and/or partner) to use two effective forms of contraception (e.g., surgical sterilization, a reliable barrier method, birth control pills, or contraceptive hormone implants) from study entry and until for at least 6 months after the last dose of PBP1510.
    Investigator or his/her representative should discuss acceptable pregnancy prevention method(s) with the patients. Highly effective methods of birth control include those that result in a low failure rate (i.e., less than 1% per year) when used consistently and correctly, such as implants, injectables, combined oral contraceptives, levonorgestrel-releasing intrauterine system, intra-uterine devices (IUDs), and true sexual abstinence. 12. Patients must be willing and able to comply with scheduled visits, treatment plan, study restrictions, laboratory tests, contraceptive guidelines, and other study procedures.
    Patients enrolling into Part 1 (Phase 1) of the study must also meet the following inclusion criteria: 13. Monotherapy and combination cohorts: advanced/metastatic pancreatic cancer patients whose tumours have progressed after at least one prior line of standard chemotherapy.
    Patients enrolling into Part 2 (Phase 2a) of the study must also meet the following inclusion criteria: 14. Advanced/metastatic pancreatic cancer patients whose tumours have progressed after one prior line of standard chemotherapy.
    Exclusion Criteria:
    Patients enrolling into Part 1 (Phase 1), or Part 2 (Phase 2a) will be excluded if any of the following criteria apply:
    1. Patients who have known brain metastases will be excluded from the study. However, a patient may be included in the study, if has been previously treated for brain metastasis, the disease is well controlled for at least 3 months, and the patient is off steroids. 2. Patients who have undergone a major surgery within 4 weeks prior to the start of PBP1510 administration, other than endoscopic/radiation procedures, bypass surgery (i.e., gastrojejunostomy), laparoscopy, port placement or a diagnostic surgery (i.e., surgery done to obtain a diagnostic biopsy, without removal of an organ), as long as the patient has recovered from these minor surgical procedures. 3. Patients who have active, uncontrolled bacterial, viral, or fungal infection(s) requiring systemic therapy, e.g., an active opportunistic infection with mycobacteria, cytomegalovirus, toxoplasma, Pneumocystis carinii (P. carinii), or other microorganisms that is under treatment with myelotoxic drugs. 4. Patient has a known history of human immunodeficiency virus (HIV; HIV 1/2 antibodies). 5. Patient has known history of or currently active hepatitis B (e.g., hepatitis B antigen [HBsAg] reactive), hepatitis C (e.g., HCV RNA [qualitative] is detected) or syphilis [Venereal Disease Research Laboratory (VDRL) to detect antibodies in blood]). 6. Patient has impaired cardiac function and uncontrolled cardiac diseases/hypertension that are deemed clinically significant by the Investigator and which could compromise the patient's safety or the study data integrity. 7. Patient has serious psychiatric disorders, which could compromise the patient's safety or the study data integrity. 8. Any other malignancy from which the patient has been disease-free for less than 5 years, except for adequately treated and cured basal or squamous cell skin cancer. 9. Patients who are enrolled in any other therapeutic clinical trial. 10. Patients currently receiving radiation therapy or those having received radiation within 4 weeks prior to study entry. 11. Patients having received investigational anti-cancer drug within 28 days (or 5 half-lives, whichever is longer) preceding the first dose of PBP1510 or chemotherapy within the last 4 weeks prior to the first dose of PBP1510. 12. Patients with known allergy or hypersensitivity to components of the PBP1510 formulation including the excipients and history of hypersensitivity to Chinese hamster ovary cell products or other recombinant human or humanized antibodies. 13. Patients who are pregnant, or breast feeding. 14. Patients who are unwilling or unable to comply with study procedures. 15. Patients who are not eligible to participate in this study, as judged by Investigators. 16. A history of allergic reactions attributed to gemcitabine or compounds of similar chemical composition to gemcitabine and/or previous treatment discontinuation due to gemcitabine toxicity.
    Note: Patients with previous exposure to gemcitabine should not be excluded from the study.

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