Clinical Trial Terms Trials

Learn about clinical trials terms and terminology. What is a placebo, a double blind study, Phase 1 study, Phase 2 Study, Phase 3 Study.


Expectant Management | Watchful Waiting

Sometimes the best course of action with certain sickness it to do nothing. If you are chosen as a Placebo in a Clinical Trial, the course if treatment is effectively the same. Some cancer’s like Prostate cancer, progress slowly – especially in the elderly. They will often die of other causes before succumbing to the cancer.

Many factors are taken into consideration before choosing the course of treatment (non-treatment).

Watchful Waiting in Real Life: Comparing Prostate Cancer Treatment Options

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Cross Over Experiments | Cross Over Studies

Definition for Cross- Over Experiment from Trustees of Boston University:

A form of experiment in which each subject receives the test preparation at least once, and every test preparation is administered to every subject. At successive experimental sessions each preparation is “crossed-over” from one subject to another. The purpose of the cross-over experiment is to permit the effects of every preparation to be studied in every subject, and to permit the data for each preparation to be similarly and equally

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Double Blind Study | Keeping Clinical Trials Honest

A double blind study is a study or experiment that is specifically designed to prevent fraudulent results for whatever reason.

The premise is that both the administrators of and patients enrolled in a study have no idea what treatment or substance is being administered to what group. They are both in the blind.

The problem with this rational is that people administering a study often have a close connection with the study, and in fact typically have access to documentation

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