Difference between revisions of "About-cancer/treatment/clinical-trials/patient-safety/ending-trials-early/zh"
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Most clinical trials run as planned from beginning to end. But sometimes trials are stopped early. For example, the IRB and DSMB may stop a trial if participants are experiencing unexpected and severe side effects or if there is clear evidence that the harms are outweighing the benefits. | Most clinical trials run as planned from beginning to end. But sometimes trials are stopped early. For example, the IRB and DSMB may stop a trial if participants are experiencing unexpected and severe side effects or if there is clear evidence that the harms are outweighing the benefits. | ||
Revision as of 10:09, 1 November 2019
尽早结束审判
查找临床试验
Most clinical trials run as planned from beginning to end. But sometimes trials are stopped early. For example, the IRB and DSMB may stop a trial if participants are experiencing unexpected and severe side effects or if there is clear evidence that the harms are outweighing the benefits.
In some cases, a trial might be stopped because:
- It is going very well. If there is clear evidence early-on that a new treatment or intervention is effective, then the trial may be halted so that the new treatment can be made widely available as soon as possible.
- Enough patients cannot be recruited
- The results of other trials are published that answer the research question or make it irrelevant
