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How to interpret clinical trial results for Long COVID - The Sick Times
With no proven treatments or cures, many people with Long COVID are turning to off-label medications, supplements, and medical devices to treat their symptoms. There are numerous options — and some of them even have clinical trials underway or are reporting results. But even if one study...thesicktimes.org
How to interpret clinical trial results for Long COVID
Written by Simon Spichak
July 21, 2026
Even when results are “statistically significant,” the treatment might not actually work.
Key points you should know:
Simon Spichak also wrote a resource for evaluating clinical trial results that accompanies this story.
- There are currently no approved treatments for Long COVID. Experts say that the diversity of symptoms and severity makes it more difficult to run clinical trials.
- Trials of new drugs and devices are stratified by phases. Only phase 3 trials are designed to prove that a treatment is effective.
- When reading a study, experts say it’s important to note whether the primary outcome, which determines whether a trial succeeds, is both statistically significant and clinically meaningful. A statistically significant outcome does not necessarily mean an intervention will meaningfully improve one’s daily life.
- To understand whether an off-label medication may benefit you, experts say it’s important to understand whether the studied population has similar symptoms and clinical presentation to you, and to work with a medical provider to ensure a treatment is trialed safely.