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Clinical Trial Summary

RATIONALE: Sulfasalazine may relieve diarrhea in patients with cancer who are undergoing pelvic radiation therapy.

PURPOSE: This randomized phase III trial is studying sulfasalazine to see how well it works in preventing acute diarrhea in patients with cancer who are undergoing pelvic radiation therapy.


Clinical Trial Description

OBJECTIVES:

Primary

- To determine whether sulfasalazine is effective in reducing the acute treatment-related diarrhea in patients receiving pelvic radiotherapy as measured by NCI CTC v4.0 in patients receiving pelvic external-beam radiotherapy as adjuvant or primary treatment for malignancy.

Secondary

- To determine whether sulfasalazine can reduce chronic treatment-related bowel dysfunction following completion of therapy.

- To determine whether sulfasalazine causes any toxicity in this situation.

Tertiary

- To bank blood products for future studies, as part of ongoing research for NCCTG studies (Mayo Clinic Rochester only). (Translational)

OUTLINE: This is a multicenter study. Patients are stratified according to history of anterior resection of the rectum (yes vs no); total planned cumulative dosing, including boost fields of external-beam radiotherapy (4500-5350 cGy vs > 5350 cGy); and concurrent radiosensitizing fluorouracil, capecitabine, or oxaliplatin (yes vs no). Patients are randomized to 1 of 2 treatment arms.

- Arm I: Patients receive oral sulfasalazine twice daily during radiotherapy* and for 4 weeks after completion of radiotherapy.

- Arm II: Patients receive oral placebo twice daily during radiotherapy* and for 4 weeks after completion of radiotherapy.

NOTE: *Patients must start study treatment by the third radiotherapy fraction.

Patients may undergo blood sample collection at baseline and then weekly during radiotherapy. All patients complete quality of life and bowel function questionnaires at baseline, weekly during radiotherapy, and at 6 weeks after completion of radiotherapy.

After completion of radiotherapy, patients are followed up at 6 weeks and at 12 and 24 months. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01198145
Study type Interventional
Source Alliance for Clinical Trials in Oncology
Contact
Status Completed
Phase Phase 3
Start date April 2011
Completion date July 15, 2017

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