- Отрасли: Library & information science
- Number of terms: 152252
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The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care.
A type of clinical trial in which participants are assigned by chance (randomized) to treatment and control groups, or among various treatment groups. Randomization produces groups that are similar overall in terms of general characteristics, such as age or gender, and other factors that might affect the disease or condition being studied. Having groups that are as similar as possible at the start of a clinical trial allows researchers to conclude with a certain level of confidence whether one treatment is better than another at the end of the trial.
Industry:Health care
A type of clinical trial that includes a control arm. The control arm is compared to the experimental treatment arm to determine whether the experimental treatment works.
Industry:Health care
A type of clinical trial. In dose-ranging trials, different doses of a drug are tested. Trial results are compared to determine which dose is most safe and effective.
Industry:Health care
A type of clinical trial. In interventional trials, researchers assign participants to a treatment or other intervention and then measure outcomes.
Industry:Health care
A type of clinical trial. In observational trials, researchers do not assign participants to a treatment or intervention. Instead, the researchers observe participants over time to determine health outcomes.
Industry:Health care
A type of clinical trial. In open-label trials, both the researchers and participants know which drug (or other intervention) is being given to participants.
Industry:Health care
A type of clinical trial. In placebo-controlled trials, one group of participants (the control arm) receives an inactive drug (or other intervention), called a placebo, while another group of participants (the experimental arm) receives the active drug being tested. The two groups are compared to see if the drug is more effective than the placebo.
Industry:Health care
A type of enzyme that breaks down proteins into smaller proteins or smaller protein units, such as peptides or amino acids. HIV protease cuts up large precursor proteins into smaller proteins. These smaller proteins combine with HIV’s genetic material to form a new HIV virus. Protease inhibitors (PIs) prevent HIV from replicating by blocking protease.
Industry:Health care
A type of herpesvirus found in saliva of people infected with human herpesvirus 7 (HHV-7). HHV-7 has not been definitively documented to cause a specific disease.
Industry:Health care
