SWI/SNF complex alterations as a biomarker of immunotherapy efficacy in pancreatic cancer.
Gregory P Botta, Shumei Kato, Hitendra Patel...
https://pubmed.ncbi.nlm.nih.gov/34375311/Actively Recruiting
Led by University of California, San Diego · Updated on 2026-06-08
43
Participants Needed
1
Research Sites
74 weeks
Total Duration
Researchers are studying metastatic pancreatic ductal adenocarcinoma mPDAC in patients with specific genetic changes called SWISNF alterations. The trial evaluates the combination of cemiplimab, an immune checkpoint inhibitor, with the standard chemotherapy drug gemcitabine. This Phase 2 study focuses on patients who have already been treated with other chemotherapy regimens FOLFIRINOX or gemcitabinenab-paclitaxel but need better treatment options due to limited responses or intolerance to prior therapies. Participants receive cemiplimab intravenously at a dose of 3 mgkg every two weeks and gemcitabine intravenously at 1000 mgm on days 1, 8, and 15 of each 28-day cycle. Treatment continues until the disease progresses or other reasons require stopping. The combination is studied to assess its safety and effects on survival and tumor response in this patient group. During the trial, patients are monitored for overall survival as the main outcome, tracked over seven months. Researchers will evaluate treatment responses, side effects, and other health measures. Patients undergo regular clinical assessments and laboratory tests to check blood counts, liver and kidney function, heart rhythm, and pregnancy status when applicable. The study lasts until disease progression or discontinuation, with ongoing follow-up for safety and treatment effects.
CONDITIONS
Cemiplimab Plus Gemcitabine in Patients With Metastatic Pancreatic Adenocarcinoma
G
Gregory P Botta, MD, PhD
G
Gastrointestinal Research Team
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University of California, San Diego
Lead Sponsor
Regeneron Pharmaceuticals
Collaborating Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Cemiplimab + gemcitabine (trial intervention) | Standard chemotherapy (e.g., FOLFIRINOX or gemcitabine + nab‑paclitaxel) |
|---|---|---|
| What it is | An investigational combination of cemiplimab (a PD‑1 immune checkpoint inhibitor) plus gemcitabine in a single‑arm phase II study of patients with SWI/SNF‑altered metastatic pancreatic ductal adenocarcinoma | Established chemotherapy regimens such as FOLFIRINOX or gemcitabine plus nab‑paclitaxel are commonly used first‑line options for metastatic pancreatic ductal adenocarcinoma |
| Role in trial | The investigational regimen administered to all enrolled participants in a single‑arm study | Not included in trial; serves as external context for comparison |
| Primary use | To evaluate the efficacy and safety of adding immunotherapy with cemiplimab to gemcitabine in SWI/SNF‑altered metastatic pancreatic cancer | Used as first‑line systemic treatment to control tumor growth and extend survival in metastatic disease |
| How it is given or performed | Participants receive cemiplimab plus gemcitabine intravenously according to the trial protocol | Standard regimens are administered intravenously following established chemotherapy schedules |
| Evidence status | Evidence currently limited to preliminary phase II single‑arm data; effectiveness unknown until trial results are available | Supported by multiple clinical trials and reviews showing modest survival benefit in metastatic pancreatic cancer |
| Important risks | Safety profile not yet established in this population; immunotherapy may carry immune‑related side effects not defined here | Known to cause significant toxicity including myelosuppression, neuropathy, and gastrointestinal side effects |
| Important limitations | Single‑arm design without randomized comparator makes it hard to assess benefit compared with standard treatments | Survival gains are modest; many patients experience disease progression and poor outcomes despite treatment |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Until disease progression or discontinuation
Participants receive cemiplimab plus gemcitabine intravenously until disease progression or discontinuation for other reasons.
Cemiplimab every 2 weeks and gemcitabine on days 1, 8, and 15 of each 28-day cycle
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
1
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Gregory P Botta, Shumei Kato, Hitendra Patel...
https://pubmed.ncbi.nlm.nih.gov/34375311/University of California, San Diego
Lead Sponsor
Regeneron Pharmaceuticals
Collaborating Sponsor