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Effects of kikyo-to on sore throat pain associated with acute upper respiratory tract infection: a randomized, controlled trial

Effects of kikyo-to on sore throat pain associated with acute upper respiratory tract infection: a randomized, controlled trial - Study of kikyo-to for upper respiratory tract infection (KURI)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000030239
Enrollment
70
Registered
2017-12-04
Start date
2017-12-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

upper respiratory tract infection

Interventions

Patients receive 2.5g herbal extract preparation of kikyo-to, a Japanese herbal medicine, desolved with a cup of hot water. Patients receive 2.5g placebo (lactose), desolved with a cup of hot water.

Sponsors

Akashi Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients of upper respiratory tract infections with a complaint of sore throat, who visited a general internal medicine department office in the Akashi medical center hospital from December 2017 to June 2018 were registered.

Exclusion criteria

Exclusion criteria: Patients with allergy to kikyo-to and lactose, patients with aldosteronism, patients with myopathy, patients with known hypokalemia, pregnant patients or patients with possibility of pregnancy, breastfeeding patients, patients who take kikyo-to, patients inurgent condition, patients who were unable to participate the study because of dementia, visual impairment and unable to answer, or complete the study form.

Design outcomes

Primary

MeasureTime frame
Primary outcome is the difference on sore throat VAS scale between 10 minutes after kikyo-to is taken.

Secondary

MeasureTime frame
Secondary outcomes are the proportion of patients with sore throat score more than moderate level between 10 minutes after kikyo-to is taken.

Countries

Japan

Contacts

Public ContactNaoto Ishimaru

Akashi Medical Center Department of General Internal Medicine

maru-tkb@umin.ac.jp0789361101

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026