Kratom under the microscope: new study tracks immediate effects and withdrawal in regular users

NCT ID NCT06089980

First seen Jun 24, 2026 · Last updated Jun 24, 2026

Summary

This observational study from Johns Hopkins University is watching 22 adults who regularly use kratom. On the first day, participants take their usual dose under supervision, then stop for about 2.5 days. Researchers measure physical and mental effects, including withdrawal symptoms, to better understand how commercial kratom products work and what happens when use stops.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Johns Hopkins University

    RECRUITING

    Baltimore, Maryland, 21224, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

What this could mean

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

Active substance

kratom

What this could lead to

If successful, this study could provide clearer data on kratom's acute effects and withdrawal symptoms, helping to inform future research on its safety and potential risks.

What could go wrong

This is a small, early observational study with only 22 regular users, so results may not apply to occasional users or the general public. It does not test any treatment or long-term outcomes.

As listed by the trial registrant

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