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Phase I trial of S-1 with Lapatinb for metastatic breast cancer

Phase I trial of S-1 with Lapatinb for metastatic breast cancer - Phase I trial of S-1 with Lapatinb for metastatic breast cancer

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000003583
Enrollment
18
Registered
2010-05-10
Start date
2010-05-01
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

metastatic breast cancer

Interventions

Lapatinib is administered intravenously at one hour before or after meal of day 1. S-1 is administered orally for 14 consecutive days followed by a 7 days rest. Cycles are repeated every 3 weeks.

Sponsors

St. Luke's International Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.histologically confirmed breast cancer 2.patients diagnosed as metastasisbreast cancer 3.HER2 status was considered positive(grade 3+ staining intensity by means of immunohistochemical analysis or grade 2+ staining intensity by means of immunohistochemical analysis with gene amplification on fluorescence in situ hybridization) 4.anthracycline, taxane and trastuzumab refractory patients 5.patients with evaluable region 6.20 years old or more 7.sufficient function of important organs Hemoglobin:over9g/dl WBC: over 4000/mm3 and under 12000/mm3 Neutrophyl:over 2000/mm3 Platelet: over 100000/mm3 T.bil: 2.0 times of normal range in institute GOT,GPT: 2.0 times of normal range in institute Left ventricular systolic dysfunction:normal range in institute serum Creatinin:normal range in institute Ccr:over 50 ml/min/body 8.Performance Statues: 0-2(ECOG) 9.with ability of oral intake 10.written informed consent

Exclusion criteria

Exclusion criteria: 1.with severe allergy to S-1 or Lapatinib 2.with active double cancer 3.infection,diarrhea,paralysis of intestine and intestinal obstruction which are judged to interfere with treatment,diabetes with incontrollable,and other sever complications 4.with mental disorder which become problem on clinical practice 5.with heart disease which become problem on clinical practice 6.with interstitial pneumonitis or with history of interstitial pneumonitis 7.with heart failure or with history of heart failure 8.with sever bone-marrow suppression, renal disorder,liver disorder 9.with large pleural effusion, or accumulation of ascitic fluid 10.with water diarrhea at the registration 11.treatment with flucytosine 12.pregnant,women who like be pregnant 13.doctor's decision not to be registered to this study

Design outcomes

Primary

MeasureTime frame
To evaluate MTD and RD

Secondary

MeasureTime frame
Response rate, rate of adverse events

Countries

Japan

Contacts

Public ContactYoshida Atsushi

St. Luke's International Hospital Breast center

atsuyosi@luke.or.jp

Outcome results

None listed

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