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Articles by Y Fujiwara
Total Records ( 2 ) for Y Fujiwara
  M Yonemura , N Katsumata , H Hashimoto , S Satake , M Kaneko , Y Kobayashi , A Takashima , Y Kato , M Takeuchi , Y Fujiwara , H Yamamoto and T. Hojo

The aim of this study was to assess the non-inferiority of 1 mg to 3 mg granisetron (GRN) injection for the treatment of acute chemotherapy-induced nausea and vomiting (CINV) and to evaluate the tolerability of GRN given at 1 mg in Japanese cancer patients.


Patients with cancer receiving highly emetogenic chemotherapy were enrolled in this single-blind randomized controlled study. Patients were randomly assigned to receive GRN at a single dose of 1 or 3 mg. The primary endpoint was the rate of complete protection from emetic events (no vomiting, no retching and no need for rescue medication) during the first 24 h following the initiation of chemotherapy.


There were 89 patients in the 1 mg group and 90 patients in the 3 mg group. Complete protection was achieved in 70 patients (78.7%) in the 1 mg group and 73 (81.1%) patients in the 3 mg group. The one-sided test did not reveal non-inferiority of either dose of GRN to the other at a 5% significance level.


Our data failed to show the non-inferiority of 1 mg of GRN to 3 mg of GRN administered as a single dose. However, the rate of complete protection from nausea and vomiting was similar in the two groups. Given the recommended dosage in the guidelines and the economic need for reduction of medical care expenses in Japan, prophylactic administration of GRN at 1 mg may be an appropriate, alternative treatment for acute CINV in cancer patients.

  Y Suzuki , Y Tokuda , Y Fujiwara , H Iwata , Y Sasaki , S Saji , K Aogi , Y Nambu , A Suri , T Saeki and S. Takashima

This Phase II study was conducted to evaluate efficacy and safety of gemcitabine monotherapy in anthracycline and taxane pre-treated Japanese metastatic breast cancer patients.


At Step 1, twelve patients were divided into two groups of six patients each and the dose-limiting toxicity was evaluated at gemcitabine 1000 and 1250 mg/m2 to determine the dose for Step 2. At Step 2, an additional 56 patients were assessed for efficacy and safety of gemcitabine monotherapy. Patients were treated with gemcitabine on days 1 and 8 of a 21-day cycle and explored incidence of adverse events graded by Common Terminology Criteria for Adverse Events (CTCAE) version 3.0, overall response rate (RR), time to progression disease and overall survival time.


Gemcitabine 1250 mg/m2 was determined as the dose for Step 2. Adverse events reported in this study were similar in type, frequency and toxicity grades as seen in other tumor types. Of the 62 patients at 1250 mg/m2, 1 complete response (1.6%), 4 partial response (6.5%) and 20 stable disease (32.3%) were achieved, yielding an RR of 8.1% (95% CI: 2.7%, 17.8%). Median time to progression was 92.0 days (range: 29–651 days). The median survival time was 17.8 months (95% CI: 14.9 months to incalculable).


Gemcitabine at 1250 mg/m2 on days 1 and 8 of a 21-day cycle was tolerable and can be a salvage treatment option for Japanese metastatic breast cancer patients previously treated with anthracyclines and taxanes.

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