1.	Phase I Study of 5-FU and Uridine in Patients with Malignant Solid Tumors (Summary Last Modified 03/88) Phase: Phase I Type: Treatment Status: Closed Age: 18 and over Sponsor: NCI Protocol IDs: NCI-87-C-83, UMCC-8709, NCI-T87-0065N, T87-0065
2.	Phase I Study of PALA/MTX/5-FU plus Uridine as a Rescue Agent for 5-FU in Patients with Metastatic Cancer Phase: Phase I Type: Supportive care, Treatment Status: Completed Age: any age Sponsor: NCI Protocol IDs: MSKCC-87147, NCI-T88-0009D, T88-0009
3.	Phase I Trial of PALA/5-FU with Oral Uridine Rescue in Patients with Advanced Gastrointestinal Cancer (Summary Last Modified 03/94) Phase: Phase I Type: Treatment Status: Completed Age: any age Sponsor: NCI Protocol IDs: MSKCC-90116A4, NCI-T90-0164D, T90-0164
4.	Phase I Study of FAMTX-2 (High-Dose MTX/High-Dose 5-FU/DOX/CF) with Oral Uridine as a Rescue Agent for 5-FU in Patients with Advanced Cancer (Summary Last Modified 01/94) Phase: Phase I Type: Treatment Status: Completed Age: 18 and over Sponsor: NCI Protocol IDs: MSKCC-91038A4, NCI-T91-0057D, T91-0057