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Discover 15,366 clinical trials near Houston, Texas. Find research studies in your area.
Showing 12881-12900 of 15,366 trials
NCT01601743
The purpose of this study is to test the effects of exercise on cocaine use, fitness, and cravings for cocaine and nicotine. This study is part of an effort to develop treatments for cocaine abuse.
NCT00128219
The group B streptococcus (GBS) vaccine study is being done to see if a single vaccination with a GBS type III vaccine can stop women from getting GBS type III bacteria in the vagina. Approximately 600 women, ages 18-40, will be enrolled from the clinical sites participating in this study. Participants will be non-pregnant, sexually active (sex with a male at least once in the last 4 months), and GBS negative in the vagina or rectum at the screening visit. Participants will be randomly assigned to receive the experimental GBS type III vaccine or a licensed vaccine containing Tetanus and Diphtheria Toxoids (Td). Participants will be followed at one month, 2 months and every other month thereafter following vaccination (for vaginal and rectal swab collection and a blood draw) for 1½ years or a total of 10 post vaccination visits.