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Categorize All Studies in ClinicalTrials.gov

Main Category:   Drug Interventions By Category
Drug Intervention Category:   Central Nervous System Stimulants
Search for Drug Intervention
Actovegin   1 study
Adderall   16 studies
Caffeine citrate   69 studies
Doxifluridine   2 studies
Megestrol Acetate   38 studies
Modafinil   90 studies
Nicotine polacrilex   254 studies