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- What is Randomization?
- Where is it used in clinical trials?
- How does Clinion implement it?
- What does it look like in practice?
- Related Terms
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What is Randomization?
Randomization in clinical trials is the process of assigning participants to different treatment groups by chance, rather than choice or prediction. This ensures that groups are comparable and helps reduce bias, so differences in outcomes can be attributed to the treatment rather than external factors.
By evenly distributing known and unknown variables across groups, randomization strengthens the scientific validity and reliability of trial results.
Where is it used in clinical trials?
In clinical trials, randomization is used during the subject enrollment stage to assign participants to treatment groups as part of the randomization process. In this context, randomization means that subjects are allocated to study arms by chance, ensuring each participant has an equal and unbiased opportunity to receive any treatment.
A randomized clinical trial uses this approach to minimize selection bias and balance participant characteristics across groups. Randomization is commonly applied in interventional studies, especially when comparing investigational treatments with placebos or standard therapies, to support reliable and scientifically valid trial outcomes.
How does Clinion implement it?
Clinion supports randomization in clinical trials by enabling a controlled and automated randomization process within its clinical trial systems. In this setup, randomization means that eligible subjects are assigned to treatment groups based on predefined rules, ensuring unbiased allocation.
For a randomized clinical trial, Clinion configures randomization schemes such as simple, block, or stratified randomization, and links them to subject eligibility and visit workflows. This ensures that randomization occurs only when protocol criteria are met, maintains allocation integrity, and supports accurate tracking of treatment assignments throughout the trial.
What does it look like in practice?
In practice, randomization occurs when a subject is confirmed as eligible in the system, and the randomization process is triggered. The system automatically assigns the subject to a treatment group, clearly showing what randomized means: allocation by chance based on predefined rules, not user choice.
In a randomized clinical trial, the assigned treatment arm is recorded instantly and linked to the subject’s study visits and treatment schedule. The allocation is securely stored, auditable, and visible only to authorized users, ensuring unbiased treatment assignment and smooth trial execution.
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CTMS