Ancient herbs take on long COVID: a trial tests whether chinese medicine can soothe persistent fatigue

NCT ID NCT04924881

Completed Symptom relief Sponsor: Chinese University of Hong Kong Source: ClinicalTrials.gov ↗

First seen Jul 27, 2026 · Last updated Jul 28, 2026 · Updated 1 time

Summary

This phase 2 trial tests whether a Chinese herbal formula, COVID Rehab Formula, can reduce fatigue and other lingering symptoms in people who have recovered from COVID-19. Participants take the herbal granules or a placebo daily for 8 weeks. The study focuses on those with ongoing fatigue plus at least one other symptom, such as breathlessness, cough, or sleep problems.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: a Chinese herbal formula called COVID Rehab Formula granules
What this could lead to: If it works, this could offer a treatment option for persistent fatigue and other lingering symptoms after COVID-19.
What could go wrong: This is a small, early-phase trial with only 68 participants, so results may not apply widely. Herbal formulas can also have side effects or interact with other medications.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

COVID-19

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COVID19

Contacts and locations

Locations

The Chinese University of Hong Kong

Shatin, Hong Kong

More trials for these conditions

Other studies related to the condition(s) this trial covers.