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Blinding in Clinical Trials: Who Knew What, and When?
What Does Blinding Mean in a Clinical Trial? Blinding in clinical trials means keeping study participants, clinicians, outcome assessors, or data analysts unaware of which treatment a person …
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Randomization and Allocation Concealment: Two Different Protections Against Bias
When a study says participants were "randomized," that word is doing less work than most readers assume. Randomization actually involves two separate protections against bias: generating a random …
Surrogate Endpoints: When a Biomarker Is Not the Outcome Readers Care About
What Is a Surrogate Endpoint? A surrogate endpoint is a substitute measurement — often a lab value, scan result, or biomarker — that researchers use instead of directly measuring how a patient feels, …
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Primary and Secondary Outcomes: How to Find What a Trial Was Built to Test
What Are Primary, Secondary, and Exploratory Outcomes in a Clinical Trial? A clinical trial’s primary outcome is the single main question the study was designed and sized to answer; secondary …
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Bioavailability Studies: How Researchers Measure What Your Body Actually Absorbs
By ClinicalStudyConnect.com Research Desk Bioavailability studies measure how much of a substance actually enters your bloodstream and becomes available for your body to use, not just how much you …