Intraperitoneal paclitaxel plus NALIRIFOX for pancreatic cancer that has spread to the peritoneum

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 1 trial combines intraperitoneal (IP) paclitaxel delivered through an abdominal catheter with intravenous NALIRIFOX given every two weeks to adults with pancreatic ductal adenocarcinoma and peritoneal carcinomatosis. Participants will have an implanted IP port and receive IP paclitaxel on days 1 and 8 of each 14-day cycle while receiving NALIRIFOX IV every two weeks, with clinic visits for labs and safety monitoring. The main goals are to determine tolerability and identify dose-limiting toxicities, with imaging and blood tests used to capture any early signs of anti-tumor activity. Treatment eligibility is limited to patients without metastases to other organs and with limited peritoneal disease burden.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Provision to sign and date the consent form.
2. Stated willingness to comply with all study procedures and be available for the duration of the study.
3. Be age 18 years or older.
4. Histologically or cytologically confirmed pancreatic adenocarcinoma with histologically or cytologically proven seeding in the peritoneal cavity without metastasis to other organs.
5. Primary tumor that is resectable, borderline resectable, or locally advanced per NCCN classification.
6. PCI score ≤ 8.
7. ECOG performance status of 0 or 1
8. Prior treatment for 0-64 months with FOLFIRINOX, modified FOLFIRINOX, or NALIRIFOX and able to receive additional platinum-based treatment per investigator opinion
9. Adequate biological parameters as evidenced by all of the following blood counts:

   * Absolute neutrophil count (ANC) \>/= 1,500 per cubic millimeter without the use of hematopoietic growth factors within 14 days prior to screening
   * Platelet count \>/= 75,000 per cubic millimeter
   * Hemoglobin \> 9 g/dL
10. Adequate hepatic function as evidenced by:

    * Serum total bilirubin ≤ 1.5x ULN (biliary drainage is allowed for biliary obstruction), and
    * AST and ALT ≤ 3 x ULN
11. Adequate renal function as evidenced by serum creatinine \<1.5 x ULN

Exclusion Criteria:

1. Prior treatment of pancreatic cancer in the metastatic setting with surgery or investigational therapy (Note: biliary drainage, diagnostic laparoscopy/laparotomy, and duodenal stenting is allowed).
2. Evident distant metastatic disease outside of the peritoneal cavity.
3. Extensive metastatic disease in peritoneal cavity (PCI\>8).
4. Known disease progression with any prior chemotherapy.
5. Known hypersensitivity to paclitaxel or other liposomal products.
6. Current use of strong CYP2C8 inhibitors or inducers, or presence of any other contraindications for paclitaxel.
7. Known UGT1A1 deficiency or DPD deficiency.
8. Neuropathy Grade 2 or higher
9. Known active COVID infection with symptoms.
10. Has ever received or is currently receiving radiation for pancreatic cancer treatment.
11. Receipt of live, attenuated vaccine within 30 days prior the first dose of Intraperitoneal paclitaxel. (Note: enrolled patients should not receive live vaccines during the study and up to 30 days after the last dose of intraperitoneal paclitaxel).
12. Known positive test results for human immunodeficiency (HIV) or patients with chronic or active hepatitis B or C. Patients who have a history of hepatitis B or C who have undetectable HBV DNA or HCV RNA after anti-viral therapy may be enrolled.
13. Active infection during screening visits or on the day of treatment, which in the investigator's opinion might compromise the patient's participation in the trial or affect the study outcome.
14. Any other medical or social condition deemed by the Investigator to be likely to interfere with a patient's ability to sign informed consent, cooperate and participate in the study, or interfere with the interpretation of the results.
15. Pregnant or breast feeding; females of child-bearing potential must test negative for pregnancy within 7 days prior to C1D1. Both male and female patients of reproductive potential must agree to use a highly effective method of birth control during the study and for 9 months following the last dose of both IP PTX and IV NALIRIFOX.
16. Histologies other than adenocarcinoma, such as neuroendocrine (carcinoid, islet cell) or acinar pancreatic carcinoma.
17. Patients who, in the opinion of the investigator, have symptoms or signs suggestive of clinically unacceptable deterioration of the primary disease at the time of screening.

Where it's running

• University of Colorado Cancer Center
  Aurora, Colorado, United States Recruiting

Study contacts

• Principal investigator: Alexis Leal, MD — University of Colorado, Denver
• Study coordinator: Puja Gupta Poddar
• Email: puja.guptapoddar@cuanschutz.edu
• Phone: 720-278-0236

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.