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Phase II trial of TS-1 plus Trastuzumab in patients with metastatic breast cancer

Phase II trial of TS-1 plus Trastuzumab in patients with metastatic breast cancer - Phase II trial of TS-1 plus Trastuzumab in patients with metastatic breast cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000004764
Enrollment
30
Registered
2010-12-21
Start date
2006-09-01
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

breast cancer

Interventions

Combination chemotherapy consists of TS-1 (80 mg/m2/day, day 1 through 14), Trastuzumab (4 mg/kg for the initial dosing and 2 mg/kg for subsequent administration, day1, 8, 15). Cycles are repeated eve

Sponsors

Tokai University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1) Pathologically confirmed breast cancer who diagnosed 2) metastatic breast cancer 3) age: >=20 and <=75 4) Her2 positive 5) No-carry-over effect of prior treatment 6) patients with measurable region 7) Performance Status: 0-2(ECOG) 8) left ventricular ejection fraction: normal range in institute 9) sufficient function of important organs a) WBC: >=4,000/mm3, <=12,000/mm3 b) Neutrophyl: >=2,000/mm3 c) Platelet: >=100,000/mm3 d) Hemoglobin: >=9g/dl e) ALT, AST: < 2.5 times of the upper limit of normal range in each institute f) sT.bil: <= the upper limit of normal range in each institute g) sCreatinin: <= the upper limit of normal range in each institute h) Ccr: >=60 ml/min/body 10) expected more than 3 months survival from drug administration 11)written informed consent 12)with ability of oral intake

Exclusion criteria

Exclusion criteria: 1) with severe allergy to Trastuzumab and TS-1 and 5-FU based drug 2) with history of severe allergy 3) pregnant or nursing women 4) with wide liver metastasis or lymphangitic pulmonary metastasis with respiratory distress 5) with active double cancer 6) with cerebral metastasis 7) with metastatic lesions observed only in their bones 8) with uncontrollable heart failure, angina pectoris, congestive cardiac failure, history of myocardial infarction, abnormal cardiac rhythm which need to treat 9) uncontrolled diabetes 10) with pulmonary fibrosis or pneumonitis 11) with dyspnea at rest 12) with uncontrolled pleural effusion, peritoneal effusion, pericardial effusion 13) possible infection associated with clinical symptoms such as fever 14) doctor's decision not to be registered to this study

Design outcomes

Primary

MeasureTime frame
Step 1 part: safety, feasibility Step 2 part: response rate, safety

Secondary

MeasureTime frame
Step 1: Pharmacokinetics of TS-1 Step 2: TTP, TTF, OS

Countries

Japan

Contacts

Public ContactYasuhiro Suzuki

Tokai University School of Medicine Division of Breast and Endocrine Surgery, Department of Surgery

Outcome results

None listed

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