(HealthDay News) -- Here are the latest clinical trials, courtesy of Thomson CenterWatch:
HIV/AIDS
If you have HIV, hepatitis C, or both and are aged 18 to 65, you may be eligible to participate in this study. If you are hepatitis C-positive, you must not have been vaccinated for hepatitis A or B. You must also not be receiving treatment for hepatitis C or HIV.
The research site is in Boston, Mass.
More information
Please see http://www.centerwatch.com/patient/studies/cat703.html 
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Cancer Pain
If you have advanced active cancer for which there is no known curative therapy, and have cancer-related pain that is not wholly alleviated with current opioid treatment, you may be eligible for this study.
The research site is in Loma Linda, Calif.
More information
Please see http://www.centerwatch.com/patient/studies/cat303.html .
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Metastatic Cancer
If you are at least 18 and have been diagnosed with metastatic cancer of the brain, you may be eligible to participate in this study.
The research site is in Manhasset, N.Y.
More information
Please see http://www.centerwatch.com/patient/studies/cat390.html .
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