Pharmacokinetic study and effects of kratom (Mitragyna speciosa Korth.) on electroencephalogram in healthy volunteers

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20140729001

Enrollment

Unknown

Registered

2014-07-29

Start date

2014-06-02

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy volunteers Pharmacokinetics Electroencephalogram Healthy volunteers Kratom Mitragyna speciosa Korth.

Interventions

chewing 2 fresh leaves of krathom in 30 min.&#44

drinking <150 ml. water and spitting out the remaining fibres.

Experimental Other

Mitragynine speciosa&#44

Korth

Eligibility

Sex/Gender

Male

Age

20 Years to 50 Years

Inclusion criteria

Inclusion criteria: Male 20 50 years Healthy No smoking drinking substance abuse

Exclusion criteria

Exclusion criteria: Regular kratom users Kratom intoxication symptoms Positive Urine test for methamphetamine and opioid liver kidney and blood function test abnormal

Design outcomes

Primary

Measure	Time frame
Pharmacokinetics 1 October 2014 Clinical trial Phase I	—

Secondary

Measure	Time frame
EEG 15 October 2014 Clinical trial Phase I	—

Countries

Thailand

Contacts

Public ContactSawitri Assanangkornchai

Prince of Songkla University

sdarika_t@hotmail.com74451165

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026