Gastrografin for Malignant Bowel Obstruction

Interventions: Treatment Arm will receive both: a. Standard palliative management of malignant bowel obstruction and b. One time oral dose of 100ml of sodium diatrozoate, meglumine datrozoate solution (Gastrografin) Primary outcome(s): Time from administration of gastrografin to resolution of malignant bowel obstruction signified by passage of flatus/stool.[30 minutes post intervention 6 hours post intervention 12 hours post intervention 24 hours post intervention 2 days post intervention 3 days post intervention] Study Design: Purpose: Treatment; Allocation: Randomised controlled trial; Masking: Blinded (masking used);Assignment: Parallel;Type of endpoint: Safety/efficacy