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Study of S-1 and L-OHP neoadjuvant chemotherapy with total mesorectal excision and lateral lymph node dissection

Phase II study of S-1 and L-OHP neoadjuvant chemotherapy with total mesorectal excision and lateral lymph node dissection for resectable rectal cancer - Phase II study of S-1 and L-OHP neoadjuvant chemotherapy with total mesorectal excision and lateral lymph node dissection for resectable rectal cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs021180033
Enrollment
55
Registered
2019-03-25
Start date
2015-11-01
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

rectal cancer rectal cancer

Interventions

Sponsors

Morohashi Hajime
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Histologically confirmed Rectum adenocarcinoma 2) Adequate following in the diagnostic imaging within 28 days before registration -Clinical stage T3, any N, or T4, any N -Main lesion of the tumor is located at the Ra or Rb -The edge of tumor is lower than the peritoneal reflection -Not diffuse infiltrating carcinoma. 3) Without liver, peritoneum and distant metastases 4)Age of 20-80 years Possigle to R0 resection 5) without prior anti-tumor therapy (radiation therapy, chemotherapy and hormone therapy) 6)Aadequate function of important organs 1. WBC: >=3,000/mm3 and 12,000/mm3 2. Neutrophil: >=1,500/mm3 3. Platelet: >=100,000/mm3 4. Hemoglobin: >=9.0g/dL 5. T Bil: = 60mi/min 7) ECG: without clinically problematic abnormalities within 28 days before registration 8) Eastern Cooperative Oncology Group performance status (PS) 0-1 9) With ability of oral intake 10) Written informed concent

Exclusion criteria

Exclusion criteria: 1) with gastrointestinal ulceration or bleeding 2) with sensory neuropathy 3) with severe diarrhea 4) had a previous serious drug allergies 5) had pleural effusion or ascites which need therapy 6) with brain metastasis or suspected the brain metastases 7) had surgery within 28 days before registration 8) had thromboembolism, cerebral infarction, pulmonary infarction, interstitial pneumonia 9) had serious complication (e.g. interstitialpneumonia, or pulmonary fibrosis, kidney injury, hepatic failure, uncontrolled diabetes mellitus, uncontrolled hypertension) 10) with active double cancer 11) had active infection disease (over 38.0 degree) 12) with significant abnormal electrocardiogram or cardiovascular disease (e.g. heart failure, myocardial infarction, angina pectoris) 13) receiving Flucytosine 14) pregnant or lactating women, women who are capable of pregnancy, intend to get pregnant or men who want to get their partners pregnant 15) experienced severe drug allergies in the past 16) were systemically-administered of steroids 17) with contraindications to TS-1 and L-OHP 18) with HBsAg-positive 19) Physician will determine that the patient is inappropriate participate in this trail for the safety.

Design outcomes

Primary

MeasureTime frame
cumulative local recurrence rate

Secondary

MeasureTime frame
Relapse free survival, Overall survival, Treatment completion rate, Down-staging rate, Safety, sphincter-preservation rate, time from definite diagnosis to initiation of therapy

Contacts

Public ContactHajime Morohashi

Hirosaki University Hospital

hm2002@hirosaki-u.ac.jp+81-172-39-5079

Outcome results

None listed

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