A Double-Blind, Randomized Study of Minocycline for the Decision-Making Process in Adult Healthy Volunteer

A Double-Blind, Randomized Study of Minocycline for the Decision-Making Process in Adult Healthy Volunteer - A Double-Blind, Randomized Study of Minocycline for the Decision-Making Process in Adult Healthy Volunteer

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003281

Enrollment

Registered

2010-03-05

Start date

2010-02-01

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

Healthy adult male

Interventions

100mg minocycline capsule inernally (every morning and evening for 4 days) placebo drug&#39

s capsule internally (every morning and evening for 4 days)

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1. Healthy adult male 2. 20 years old to 39 years old 3. Those who can obtain informed consent

Exclusion criteria

Exclusion criteria: 1. Those who ever have side effects by antibiotics including minocycline 2. Those who have severe disease in heart, liver or kidney. 3. Those who have a tendency to develop allergy 4. Those who have ever diagnosed psychiatric disorders. 5. Those who are judged not appropriate to this study by medical doctor in charge.

Design outcomes

Primary

Measure	Time frame
Trust Game, Ultimatum game	—

Secondary

Measure	Time frame
Self reported questionnaires including Trist, fairness and anxiety scales	—

Countries

Japan

Contacts

Public ContactTakahiro A. Kato, M.D., Ph.D.

Kyushu University Department of Neuropsychiatry, Graduate School of Medical Sciences

takahiro@npsych.med.kyushu-u.ac.jp092-642-5627

Outcome results

None listed

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