1.	Learning Impairments Among Survivors of Childhood Cancer Phase: Phase IV Type: Supportive care Status: Closed Age: 6 to 18 Sponsor: NCI, Other Protocol IDs: MEMFX2, RO1-CA078957, UO1-CA81445, P30-CA2Z1765, NCT00576472
2.	Methylphenidate Treatment of Cancer-Related Fatigue Phase: Phase III, Phase II Type: Supportive care Status: Completed Age: 18 to 60 Sponsor: Pharmaceutical / Industry Protocol IDs: 6520-9959-02, NCT00758407
3.	Methylphenidate in Treating Patients With Melanoma Phase: Phase III Type: Supportive care Status: Completed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000066161, E-2Z96, NCI-P98-0130, NCT00003266
4.	Phase III Placebo-Controlled Trial of Methylphenidate plus Narcotic to Manage Pain in Patients with Cancer (Summary Last Modified 08/90) Phase: Phase III Type: Supportive care Status: Closed Age: 8 and over Sponsor: NCI Protocol IDs: NCCTG-899251, MAYO-899251, NCI-P90-0007
5.	Methylphenidate in Treating Patients With Fatigue Caused by Cancer Phase: Phase III Type: Supportive care Status: Completed Age: 18 and over Sponsor: NCI, Other Protocol IDs: CDR0000495148, NCCTG-N05C7, N05C7, NCT00376675
6.	Methylphenidate Study in Breast or Gastrointestinal Cancer Patients Phase: Phase III Type: Biomarker/Laboratory analysis, Supportive care, Treatment Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: ID00-372, NCT00516269
7.	Dextroamphetamine-Amphetamine Compared With Methylphenidate in Treating Children Who Have Problems With Memory, Attention, Thinking, and Depression Caused By Cancer Treatment Phase: Phase II Type: Supportive care Status: Completed Age: 6 to 17 Sponsor: NCI, Other Protocol IDs: CDR0000301614, MCC-0201, NCI-5899, HLMCC 0201, NCT00069927
8.	Psychostimulants for Fatigue in Prostate Cancer Phase: Phase II Type: Supportive care Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: 02-100, NCT00138138
9.	Methylphenidate Hydrochloride or Modafinil in Treating Young Patients With Excessive Daytime Sleepiness After Cancer Therapy Phase: Phase II Type: Supportive care Status: Completed Age: 8 to 25 Sponsor: NCI, Other Protocol IDs: CDR0000654435, SCUSF-0803, HLMCC-0803, NCT01348607
10.	Methylphenidate for Depressed Cancer Patients Receiving Palliative Care Phase: No phase specified Type: Supportive care Status: Completed Age: 18 and over Sponsor: Other Protocol IDs: IIR 03-194, 01153, 10-0603, CPC-04115-LX, NCT00129467
11.	Methylphenidate and a Nursing Telephone Intervention for Fatigue Phase: No phase specified Type: Educational/Counseling/Training, Supportive care Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: 2005-0613, NCT00424099
12.	Methylphenidate for Cancer-Related Fatigue Phase: No phase specified Type: Supportive care Status: Temporarily closed Age: 7 to 21 Sponsor: Other Protocol IDs: 10-146, NCT01164956