Liposomal Irinotecan S-1 and Oxaliplatin in Advanced Pancreatic Adenocarcinoma

  • End date
    Jun 30, 2023
  • participants needed
  • sponsor
    Asan Medical Center
Updated on 26 July 2021
pancreatic adenocarcinoma
biliary obstruction


In present study, the investigators evaluate the safety and efficacy of OIS-derived NASOX regimen (nal-IRI, S-1, oxaliplatin) in advanced pancreatic cancer. NASOX regimen contains nal-IRI, which has recently been proven effective in pancreatic cancer.


Pancreatic adenocarcinoma is the seventh leading cause of cancer-related mortality worldwide, and it carries dismal prognosis with a 5-year survival rate of 1-2%. The pivotal ACCORD11 trial, FOLFIRINOX (oxaliplatin, irinotecan, 5-FU and leucovorin) has become the standard of care for patients with locally advanced or metastatic pancreatic adenocarcinoma. In daily practice, modified version of FOLFIRINOX (mFOLFIRINOX) with reduced dose of irinotecan to 150 mg/m2 and omission of bolus 5-FU has been widely used to enhance the dose intensity and safety profiles.

Despite of proven efficacy of mFOLFIRINOX in locally advanced or metastatic pancreatic cancer, further improvement in the efficacy outcomes are needed, considering that median overall survival of metastatic pancreatic cancer patients treated with FOLFIRINOX in the phase 3 trial was less than 1 year. Considering that mFOLFIRINOX often require placement of central catheterization or repeated hospitalization for continuous 5-FU infusion, novel regimens improving mFOLFIRINOX in the viewpoint of patient's quality of life is also needed. This may enhance the patient's compliance on the treatment and maximize the clinical outcomes.

Liposomal irinotecan (nal-IRI) is the novel agent enhancing the drug delivery of irinotecan and approved for the management of gemcitabine-progressed metastatic pancreatic cancer patients. Considering the hostile tumor microenvironment of pancreatic adenocarcinoma, nal-IRI may have enhanced anti-tumor activity compared to conventional irinotecan, although there are no head-to-head comparison clinical trial data, yet.

Investigators previously developed oral fluoropyrimidine-based triplet regimen (oxaliplatin, irinotecan and S-1) and investigated in 32 patients with advanced biliary tract cancer. This regimen was well tolerated and showed favorable efficacy outcome as first-line therapy with overall response rate of 50%.

In present study, investigators evaluate the safety and efficacy of OIS-derived NASOX regimen (nal-IRI, S-1, oxaliplatin) in advanced pancreatic cancer. NASOX regimen contains nal-IRI, which has recently been proven effective in pancreatic cancer. If NASOX, which is more convenient than FOLFIRINOX, proves its safety and effectiveness, it may provide an attractive alternative for pancreatic cancer patients.

Condition cancer of the pancreas, Islet Ce417ll Cancer, Pancreatic disorder, Neoplasm of unspecified nature of digestive system, Digestive System Neoplasms, pancreatic cancers, Pancreatic Disorders, Pancreatic Cancer, cancer, pancreatic, Pancreatic Ductal Adenocarcinoma
Treatment NASOX
Clinical Study IdentifierNCT04662112
SponsorAsan Medical Center
Last Modified on26 July 2021


Yes No Not Sure

Inclusion Criteria

Age 19 years and older
Histologically or cytologically confirmed, measurable pancreatic adenocarcinoma
Treatment nave locally advanced or metastatic disease
Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
Adequate bone marrow function as defined by platelets 100 x 109/L , neutrophils 1.5 x 109/L and hemoglobin > 9 g/dL; transfusion is allowed, provided interval is 7 days prior to screening
Adequate renal function, with serum creatinine < 1.5 x upper limit of normal (ULN). And calculated clearance 50 mL/min/1.73m2 for patients with serum creatinine levels above or below the institutional normal value. Actual body weight should be used for calculating creatinine clearance using the Cockcroft-Gault Equation (CreatClear = Sex x ((140 - Age) / (SerumCreat)) x (Weight / 72); for patients with body mass index (BMI) >30 kg/m2, lean body weight should be used instead
Adequate hepatic function with serum total bilirubin 2 x ULN (biliary drainage is allowed for biliary obstruction), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) 2.5 x ULN ( 5 x ULN is acceptable if liver metastases are present)
History of any second malignancy in the last 3 years; patients with prior history of in-situ cancer or basal or squamous cell skin cancer are eligible. Patients with a history of other malignancies are eligible if they have been continuously disease free for at least 3 years
Female patients must be either surgically sterile or postmenopausal, or if of childbearing potential must have a negative pregnancy test (serum or urine) prior to enrolment and agree to use effective barrier contraception during the period of therapy and for one month after the last dose
Written, informed consent to the study

Exclusion Criteria

Endocrine or acinar pancreatic carcinoma
Uncontrolled CNS metastases (Note: Patients who require steroids should be on a stable or decreasing dose to be eligible)
Medical or psychiatric conditions that compromise the patient's ability to give informed consent or to complete the protocol or a history of non-compliance
Obstruction of gastrointestinal tract
Active gastrointestinal bleeding
Myocardial infarction within 6 months prior to the study medication, and other clinically significant heart disease (e.g., unstable angina, congestive heart failure or uncontrolled hypertension)
Evidence of severe or uncontrolled systemic disease or any concurrent condition which in the investigator's opinion makes it undesirable for the patient to participate in the study or which would jeopardise compliance with the protocol
Active infection or an unexplained fever > 38.5C during screening visits or on the first scheduled day of dosing (at the discretion of the investigator, patients with tumor fever may be enrolled), which in the investigator's opinion might compromise the patient's participation in the trial or affect the study outcome
Use of strong CYP3A4 inhibitors or inducers, or strong UGT1A1 inhibitors (patients are ineligible if unable to discontinue the use of strong CYP3A4 or UGT1A1 inhibitors at least 1 week or strong CYP3A4 inducers at least 2 weeks prior to receiving first dose of irinotecan liposome injection)
presence of any contraindications for irinotecan, nal-IRI, S1 and Oxaliplatin
Female patients who are pregnant (positive pregnancy test at screening) or breast-feeding
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