Skip to content

A study of the clinical effects of 6-MSITC on chronic fatigue syndrome

An open-label study of the clinical effects of the hon-wasabi extract sulfinyl component, 6-MSITC, on myalgic encephalomyelitis / chronic fatigue syndrome - 6-MSITC MECFS

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031190205
Enrollment
20
Registered
2020-02-12
Start date
2020-02-27
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

myalgic encephalomyelitis/chronic fatigue syndrome

Interventions

6-MSITC three times a day (9.6 mg / day) for 12 weeks.

Sponsors

Oka Takakazu
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Those who can be diagnosed as ME / CFS, according to the CDC diagnostic criteria (Fukuda1994) and the Ministry of Health, Labor and Welfare research group clinical diagnostic criteria (2017) 2. Those who are 20 to 69 years old (regardless of gender) 3. The performance status (severity of fatigue) is 3 and more, according to the ME / CFS clinical diagnostic criteria (2017), Table 3. 4. Those who can fill in self-rating questionnaires by themselves 5. Those who can come to the hospital at least once a month 6.Those whose consent judgment ability is judged to be sufficient

Exclusion criteria

Exclusion criteria: 1. Those whose fatigue is due to known physical diseases (liver, kidney, heart, respiratory, endocrine, autoimmune, or malignant diseases, anemia, electrolyte abnormalities, etc.) 2. Women who are pregnant or breastfeeding, who may become pregnant or who wish to become pregnant during this study 3. Those who have taken or are currently taking supplements containing 6-MSITC 4. Those who are judged to be inappropriate by the principal investigator

Design outcomes

Primary

MeasureTime frame
Chalder Fatigue Scale Score

Secondary

MeasureTime frame
1. Subjective symptoms 2. Quality of life and dysfunction indices (SF-36, ME/CFS PS) 3. Psychological indices (POMS2, HADS) 4. Physiological function indices (axillary temperature, non-invasive autonomic nervous function test, standing test, mechanical pain threshold) 5. Blood biomarkers 6. Sleep indices (Pittsburgh Sleep Quality Index, Sleep EEG) 7. Cognitive function indices (TMT-A) Safety evaluation items 1. Blood test 2. Diseases

Contacts

Public ContactTakakazu Oka

International University of Health and Welfare Narita hospital

okatakakazu@gmail.com+81-476-35-5600

Outcome results

None listed

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