Asked by Ashley Chacon on Aug 01, 2024

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Two similar drugs (drug A and drug B) to alleviate back pain were released simultaneously.An investigator decides to test which of the drugs works better.He decides to conduct a trial in which randomly,half of the participants receive drug A for a month while the other half received drug B.After 2 weeks without any medication,participants switch the drug they were receiving (those who received A start taking B,and those who received B start taking A) .What type of study design was illustrated in this example?

A) Cross-sectional study
B) Factorial randomized clinical trial
C) Crossover randomized clinical trial
D) Crossover cohort study
E) Phase II clinical trial

Crossover Randomized Clinical Trial

A type of clinical trial in which participants receive a sequence of different treatments, allowing each participant to serve as their own control at different times during the study.

Factorial Randomized Clinical Trial

An experimental study design that looks at the effects of two or more treatment variables simultaneously by varying them independently within the same study.

Cross-sectional Study

A type of observational study that analyzes data from a population at a specific point in time.

  • Identify different study designs used in clinical research, including crossover trials.
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Taniya MaldonadoAug 02, 2024
Final Answer :
C
Explanation :
In a crossover clinical trial,participants receive one drug and later switch to another one.The effect of these drugs is compared within the same population.