Loading clinical trials...
Loading clinical trials...
Discover 17,609 clinical trials near Chicago, Illinois. Find research studies in your area.
Showing 14541-14560 of 17,609 trials
NCT00000256
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used to assess reinforcing effects. Comparisons between nitrous oxide, opiates, and benzodiazepine antagonists will be made. To examine reinforcing effects of brief exposures to nitrous oxide in healthy volunteers.
NCT00000255
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used to assess reinforcing effects. To examine differential acute tolerance development to effects of nitrous oxide in humans.
NCT00000249
The purpose of this study is to conduct experiments to examine subjective and reinforcing effects of nitrous oxide. Mood altering and psychomotor effects will be tested on non-drug abusers and preference procedures will be used to assess reinforcing effects. To examine effects of subanesthetic concentrations of nitrous oxide on cold-pressor pain in humans.
NCT00600665
Sickle cell disease (SCD) is a blood disorder that is characterized by intense, painful episodes known as sickle cell crises. This study will evaluate the effectiveness of PAINRelieveIt, a three-part computer-based pain management tool, in treating adults with SCD.