This phase II trial tests whether NBT-NM108 works in reducing chemotherapy-induced diarrhea in patients with colon cancer that has spread to other places in the body (metastatic). Irinotecan is one of the most used medicine for colon cancer, but it leads to diarrhea in most patients receiving it and among some of them, severe diarrhea can occur. NBT-NM108 is a high dietary fiber formula that is developed based on research findings that have shown that high fiber diets can help maintain healthy bacteria in the gut and improve gut function. Giving NBT-NM108 to patients with colon cancer receiving chemotherapy may help relieve or lessen diarrhea symptoms and lead to improved tolerance of the chemotherapy drug, irinotecan.
Biopsy proven and metastatic colon cancer
Candidate for Second-line or later line therapy with irinotecan-based chemotherapy regimen with starting dose of irinotecan at 180 mg/m2 q2w.
Performance Status (PS) 0-1
Lab values as acceptable for trials: Absolute Neutrophil Count( ANC) >1500/uL; Creatinine < 1.5 x Upper Limit of Normal (ULN); Transaminases < 5x ULN; Bilirubin < 1.5 x ULN; Albumin > 3.0 g/dL
Grade two diarrhea or greater (4-6 movements per day over baseline)
Inability to take oral supplements
Current antibiotic therapy
Baseline grade 3-4 diarrhea Participants with grade two diarrhea should undergo stool evaluation with stool test for bacteria (Salmonella, Shigella, Campylobacter, Yersinia Mycobacterium), bacterial toxin (Clostridium difficile), ova and parasites (Giardia, Entamoeba, Isospora, Cyclospora, Cryptosporidium, Microsporidium), or viruses (Cytomegalovirus), associated with an ongoing active infection and diarrhea. They will be eligible if this evaluation shows no infection.
Parallel
NBT-NM108
DrugPatients receive irinotecan-based chemotherapy per standard of care.
The number of participants with treatment-related Adverse Events as Assessed by Cancer Therapy Evaluation Program Common Toxicity Criteria (CTCAE) Version 5.0 for toxicity and Adverse Event reporting
The number of participants with treatment-related Adverse Events as Assessed by Cancer Therapy Evaluation Program Common Toxicity Criteria (CTCAE) Version 5.0 for toxicity and Adverse Event reporting. Dose reduction should occur for CTCAE grade 3 or higher toxicity given maximum antidiarrheal support with Imodium and/or Lomotil.
Tumor Response by RECIST v1.1 Criteria
Response and progression will be evaluated in this study using the international criteria proposed by the revised Response Evaluation Criteria in Solid Tumors (RECIST) guidelines (version 1.1). Changes in the largest diameter (unidimensional measurement) of the tumor lesions and the shortest diameter in the case of malignant lymph nodes are used for tumor measurements
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Howard S. Hochster, MD
Lead sponsor
Rutgers, The State University of New Jersey
Sponsor institution
