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Case report
Immunotherapy in pancreatic cancer and the importance of tumour testing
  1. Phuong Ngo1,
  2. Mohamed Shanshal2 and
  3. Adam Rojan1
  1. 1Division of Hematology-Oncology, University of Louisville School of Medicine, Louisville, Kentucky, USA
  2. 2Department of Hematology/Oncology, Appalachian Regional Healthcare, Middlesboro, Kentucky, USA
  1. Correspondence to Dr Phuong Ngo;{at}


Advanced pancreatic cancer carries a poor prognosis and has traditionally been treated with chemotherapy. However, immunotherapy has made great strides in a subset of patients depending on mismatch repair/microsatellite status. We present a patient with locally advanced pancreatic cancer treated with neoadjuvant chemotherapy followed by surgery and additional adjuvant chemotherapy whose disease progressed while on adjuvant chemotherapy. Tumour testing showed a mismatch repair mutation and high microsatellite instability, making her eligible for treatment with immunotherapy. Germline genetic testing confirmed the clinical suspicion of Lynch syndrome. She has had isolated sites of progression treated with radiation but overall has been receiving immunotherapy for more than 3 years, highlighting the importance of tumour testing as it may allow for additional treatment options and improved survival.

  • pancreatic cancer
  • therapeutic indications
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  • Contributors PN wrote the final draft and provided extensive edits to the previous drafts. MS wrote the majority of the initial drafts. AR made significant edits to all drafts and created the images.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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