Overview L-carnitine vs Placebo for the Treatment of Muscle Cramps After Imatinib in Gastrointestinal Stromal Tumors Status: Completed Trial end date: 2019-12-24 Target enrollment: Participant gender: Summary we aim to evaluate the efficacy of L-carnitine for the treatment of muscle cramps after imatinib in patients with GIST and apply in the future. Phase: Phase 3 Details Lead Sponsor: Asan Medical CenterCollaborator: Hanmi Pharmaceutical Company LimitedTreatments: Imatinib Mesylate