NCIC Clinical Trials Group - Recruiting 18 years or older. - A Phase III Study of the Impact of a Physical Activity Program on Disease-Free Survival in Patients With High Risk Stage II or Stage III Colon Cancer: A Randomized Controlled Trial (CHALLENGE).
exercise intervention; counseling intervention; educational intervention; laboratory biomarker analysis; questionnaire administration; study of socioeconomic and demographic variables; fatigue assessment and management; quality-of-life assessment
Charite University, Berlin, Germany - Recruiting 18 years to 35 years. - Effects of Modafinil, Caffeine and Methylphenidate on Functional Brain Activity and Cognitive Performance in Healthy Volunteers: a Randomized, Placebo-controlled, Double-blind fMRI Study.
Methylphenidate 20 mg tablet given once by mouth; modafinil 200mg tablet given once by mouth; caffein 200mg tablet given once by mouth; placebo
GlaxoSmithKline - Recruiting 18 years to 70 years. - A Randomised, Double-blind, Study to Investigate the Effects of Creatine Supplementation on Muscle Energetics and Cognitive Function in Young Healthy Male Athletes and an Ageing Population Using Phosphorus-31 Magnetic Resonance Spectroscopy (31P MRS) and Functional Magnetic Resonance Imaging (fMRI).
National Institutes of Health Clinical Center (CC) - Recruiting 18 years to 50 years. - Randomized, Double-Blinded, Placebo Controlled Study of the Effects of Modafinil on Cognitive Function in Patients With Schizophrenia and Normal Controls Based on COMT Genotype.
National Cancer Institute (NCI) - Recruiting 18 years or older. - A Prospective Study of Cognitive Function During Chemotherapy for Front-Line Treatment of Ovarian, Primary Peritoneal or Fallopian Tube Cancer.