Ancient herbal tonic put to the test for male fertility

NCT ID NCT07270146

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This completed Phase 4 trial tested whether Guilu Erxian Oral Liquid, a traditional Chinese herbal remedy, can improve sperm count and movement in men with mild to moderate low sperm count or poor sperm motility. The study enrolled 360 married men aged 22 to 40 who also had a diagnosis of kidney essence deficiency. Participants received either the herbal liquid or a standard comparator, and researchers measured changes in total motile sperm count and other semen parameters.

What this could mean

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

Active substance

Guilu Erxian Oral Liquid (a traditional Chinese herbal remedy)

What this could lead to

If it works, this could offer a treatment option for men with low sperm count or poor sperm movement related to kidney essence deficiency.

What could go wrong

This is a Phase 4 trial, but results are not yet published. The condition is subjective and the herbal remedy may not work better than existing treatments.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

follicular lymphoma oligoasthenoteratozoospermia oligospermia

As listed by the trial registrant

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

Contacts and locations

Locations

  • Xi Yuan Hospital of China Academy of Chinese Medical Sciences

    Beijing, China