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Pilot study for TS-1 for the prevention of ectopic metachronous esophageal cancer after endoscopic resection(S-1 adjuvant)

Pilot study for TS-1 for the prevention of ectopic metachronous esophageal cancer after endoscopic resection(S-1 adjuvant) - S-1 Adjuvant therapy Pilot

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000015571
Enrollment
20
Registered
2014-11-01
Start date
2015-09-09
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

The patient with high grade multiple lugol voiding lesion(mLVL)s after endoscopic resection for early stage esophageal cancer

Interventions

TS-1 administration for 6 months

Sponsors

Graduate School of Medicine, Kyoto University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Histologically proven early esophageal squamous cell carcinoma for primary tumor located in T1a or lower confirmed by pathological diagnosis 2)The grade of mLVLs are gradeC/D 3)The ulceration of endoscopic resection have healed 4)Aged 20<,no object for first or recurrence 5)PS=0,1,2 6)Adequate organ functions 7) Written informed consent

Exclusion criteria

Exclusion criteria: 1)Patients requiring for additional surgery or chemoradiotherapy for curatively treated with local therapy 2)Patients requiring chmotherapy or had chemothrapy past 6 months 3)Patients had irradiation of esophagus 4)Patients requiring Flucytosine administration 5)Patients requiring warfarine administration 6)Patients for allergy of iodine 7)Positive HBs antigen 8)Pregnancy, possible pregnancy after delivery or breastfeeding 9)Patients had complicating critical disease 10)Active infection requiring systemic therapy 11)contraindication for TS-1 12)Patients whom a researcher judges to be inappropriate as a subject

Design outcomes

Primary

MeasureTime frame
The proportion for improvement the grade of mLVLs

Secondary

MeasureTime frame
The cumulative incidence rate, the proportion for adverse event

Countries

Japan

Contacts

Public ContactAkira Yokoyama, MD

Graduate School of Medicine, Kyoto University Department of Therapeutic Oncology

yokoaki@kuhp.kyoto-u.ac.jp075-751-4592

Outcome results

None listed

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