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Data monitoring committee
A data monitoring committee (DMC) — sometimes called a data and safety monitoring board (DSMB) — is an independent group of experts who monitor patient safety and treatment efficacy data while a clinical trial is ongoing.
== Need for a DMC ==
Many randomized clinical trials are double blind – no one involved with the trial knows what treatment is to be given to each trial participant. Blinding includes the participant, their doctor, and even the study personnel at the company or organization sponsoring the trial. Blinding is breached and true assignments disclosed only after the trial database is finalized.
Clinical trials may go for years, and there is justifiable concern about enrolling participants and exposing them to an unproven treatment without ongoing oversight of the preliminary results. The DMC is a group (typically 3 to 7 members) who are independent of the entity conducting the trial. At least one DMC member will be a statistician. Clinicians knowledgeable about the disease indication should be represented, as well as clinicians knowledgeable in the fields of any major suspected safety effects. Ethicists or representatives from a patient advocacy group may be included, particularly for research involving vulnerable populations. The DMC will convene at predetermined intervals (three to six months typically) to review unblinded results. The DMC has the power to recommend termination of the study based on the evaluation of these results. There are typically three reasons a DMC might recommend termination of the study: safety concerns, outstanding benefit, and futility.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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