Comparison of Intralipid With SMOF Lipid Following HSCT

This study compares two types of intravenous fat supplements — Intralipid and SMOF Lipid — given to children with acute leukemia who are receiving a bone marrow transplant and cannot eat normally. Researchers want to see which fat supplement is better tolerated and supports recovery. **You may be eligible if...** - You are 18 years old or younger - You have been diagnosed with acute leukemia and are scheduled for a bone marrow (stem cell) transplant - You need intravenous nutrition support - You have no allergy to eggs or soy - Your liver function is within acceptable limits **You may NOT be eligible if...** - You have a severe organ failure or significant liver problems - You have an allergy to eggs or soy protein - You or your guardian are unwilling to continue participating Talk to your doctor to see if this trial is right for you.