Preliminary study investigating the effect of Herbal tea Thunbergia laurifolia on plasma glucose concentrations

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20190809004

Enrollment

Unknown

Registered

2019-08-09

Start date

2018-10-17

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 volunteer Thunbergia laurifolia &#44

Interventions

Healthy volunteers (10 men&#44

10 women) received TL herbal tea drinking 3 times daily for 2 weeks. Ten subjects took TL herbal tea 9 grams daily. After the safety of TL herbal tea was ensured&#44

10 more subjects took TL 12 grams daily.

Experimental Drug

Thunbergia laurifolia (TL)

Eligibility

Sex/Gender

All

Age

20 Years to 60 Years

Inclusion criteria

Inclusion criteria: volunteers who had no underlying disease, not took any medications, and had no allergic history to TL used

Exclusion criteria

Exclusion criteria: volinteers who had elevation of transaminase enzyme higher than 2 folds of upper normal limit or serum creatinine higher than 1.5 mg/dL.

Design outcomes

Primary

Measure	Time frame
Glucose homeostasis 2 weeks FBS, HOMA	—

Secondary

Measure	Time frame
to investigate the safety profiles of Thunbergia laurifolia 2 weeks Physical examination, blood chemistry	—

Countries

Thailand

Contacts

Public ContactNuntakorn Thongtang

Mahisol university

Nuntakorn@hotmail.com024197799

Outcome results

None listed

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