- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06250972
PD-1 Inhibitor Plus Radiotherapy to Patients With CA19-9-elevated Advanced Pancreatic Cancer (PTCA199-11)
PD-1 Inhibitor Plus Radiotherapy to Patients With CA19-9-elevated Advanced Pancreatic Cancer Who Are Not Refractory to Chemotherapy
Study Overview
Status
Conditions
Detailed Description
Pancreatic adenocarcinoma (PDAC) is a highly lethal malignancy with a 5-year survival less than 10%. Approximately 80% of patients with pancreatic cancer are diagnosed at an advanced stage. Chemotherapy is one of the major treatments for advanced pancreatic cancer. In 2011, the PRODIGE trial has shown that oxaliplatin, irinotecan, fluorouracil, and leucovorin (FOLFIRINOX) was associated with a survival advantage but had increased toxicity.
Carbohydrate antigen 19-9 (CA19-9) is the most widely used biomarker in pancreatic cancer. Circulating CA19-9 levels are positively correlated with tumor burden and stage in pancreatic cancer with a diagnostic sensitivity of approximately 80%, suggesting that approximately 20% of patients have normal CA19-9 levels. It is well recognized that Lewis (-) individuals, constituting approximately 10% of the population, have low or no secretion of CA19-9 due to the lack of critical enzyme involved in CA19-9 biosynthesis. Thus, approximately 10% of patients with pancreatic cancer have normal CA19-9 levels regardless of tumor stage. Our previously retrospective study has shown that CA19-9-normal advanced pancreatic cancer may be more sensitive to chemotherapy combined with radiotherapy.
The purpose of this study is to evaluate the efficacy of PD-1 inhibitor plus radiotherapy to patients with CA19-9-elevated Advanced Pancreatic Cancer who are not refractory to chemotherapy. Progression-free survival (PFS), objective response rate (ORR), overall survival (OS) and disease control rate (DCR) are measured every four weeks.
Study Type
Enrollment (Estimated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Ying Yang, MD
- Phone Number: 1307 86 64175590
- Email: yangying@fudanpci.org
Study Contact Backup
- Name: Guopei Luo, MD
- Email: luoguopei@fudanpci.org
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Ability to understand and the willingness to sign a written informed consent document.
- Age ≥ 18 years and ≤ 80 years.
- Eastern Cooperative Oncology Group (ECOG) performance status 0-2.
- Histologically or cytologically confirmed advanced pancreas adenocarcinoma.
- Patients who are not refractory to previous chemotherapy and who have not received radiotherapy.
- Locally advanced or distant metastatic pancreatic cancer.
- Baseline serum CA19-9 > 37 U/mL, and CA19-9 level within normal range (≤37 U/mL) after chemotherapy .
- Presence of at least of one measurable lesion in agreement to RECIST criteria.
- The expected survival ≥ 3 months.
- Adequate organ performance based on laboratory blood tests.
- Women of childbearing potential and men must agree to use adequate contraception prior to study entry and for the duration of study participation.
Exclusion Criteria:
- Pregnant or nursing women.
- Primary pancreatic cancer.
- Baseline serum CA19-9 ≤ 37 U/mL.
- The diagnosis was confirmed by pathology as non-adenocarcinoma of pancreas.
- Inflammation of the digestive tract, including pancreatitis, cholecystitis, cholangitis, etc.
- Severe and uncontrollable accompanying diseases that may affect protocol compliance or interfere with the interpretation of results.
- Renal insufficiency or dialysis
- Other serious accompanying illnesses, which, in the researcher's opinion, could seriously adversely affect the safety of the treatment.
- Patients who are allergic to oxaplatin or other chemotherapy drugs.
- Patients who are unwilling or unable to comply with study procedures.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: chemotherapy
Continuing chemotherapy using the previous regimen
|
continuing chemotherapy using the previous regimen until disease progression
|
Experimental: PD1 plus radiotherapy
Patients will be recommended to receive Intensity-Modulated Radiation Therapy (IMRT) after about 2~6 cycles of chemotherapy.
Camrelizumab will be administered at 200 mg i.v.
every 3 weeks at day 2.
|
Camrelizumab will be administered at 200 mg i.v.
every 3 weeks at day 2.
Receive Intensity-Modulated Radiation Therapy (IMRT) after about 2~6 cycles of chemotherapy.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
progression-free survival, PFS
Time Frame: At the end of Cycle 1 (each cycle is 28 days)
|
PFS of subjects from recruiting to the time of disease progression
|
At the end of Cycle 1 (each cycle is 28 days)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival,OS
Time Frame: At the end of Cycle 1 (each cycle is 28 days)
|
OS of subjects from recruiting to the time of death from any cause
|
At the end of Cycle 1 (each cycle is 28 days)
|
disease control rate (DCR)
Time Frame: At the end of Cycle 1 (each cycle is 28 days)
|
CR + PR + SD
|
At the end of Cycle 1 (each cycle is 28 days)
|
objective response rate (ORR)
Time Frame: At the end of Cycle 1 (each cycle is 28 days)
|
CR + PR
|
At the end of Cycle 1 (each cycle is 28 days)
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Guopei Luo, MD, Fudan University
Publications and helpful links
General Publications
- Luo G, Liu C, Guo M, Long J, Liu Z, Xiao Z, Jin K, Cheng H, Lu Y, Ni Q, Yu X. CA19-9-Low&Lewis (+) pancreatic cancer: A unique subtype. Cancer Lett. 2017 Jan 28;385:46-50. doi: 10.1016/j.canlet.2016.10.046. Epub 2016 Nov 10.
- Zhu X, Xiao Z, Liu H, Zhang P, Deng S, Ding L, Feng J, Luo J, Ni Q, Luo G, Yu X. Pancreatic Cancer: An Exocrine Tumor with Endocrine Characteristics. Ann Surg. 2023 Dec 5. doi: 10.1097/SLA.0000000000006168. Online ahead of print.
- Luo G, Jin K, Deng S, Cheng H, Fan Z, Gong Y, Qian Y, Huang Q, Ni Q, Liu C, Yu X. Roles of CA19-9 in pancreatic cancer: Biomarker, predictor and promoter. Biochim Biophys Acta Rev Cancer. 2021 Apr;1875(2):188409. doi: 10.1016/j.bbcan.2020.188409. Epub 2020 Aug 19.
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Antineoplastic Agents, Phytogenic
- Topoisomerase Inhibitors
- Topoisomerase I Inhibitors
- Paclitaxel
- Irinotecan
- Gemcitabine
Other Study ID Numbers
- PTCA199-11
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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