371 results match your criteria: "Gunma Prefectural Cancer Center[Affiliation]"

Purpose: Trastuzumab-pertuzumab (HP) plus taxane is a current standard first-line therapy for recurrent or metastatic human epidermal growth factor 2 (HER2)+ breast cancer (BC). We investigated noninferiority of eribulin to a taxane when combined with dual HER2 blockade as first-line systemic treatment for locally advanced/metastatic HER2+ BC.

Methods: In the phase III EMERALD trial (target sample size, 480; ClinicalTrials.

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Reduction of ischemic time using the pull-through technique for scapular free flap.

Oral Maxillofac Surg

January 2025

Department of Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, 1-5-45, Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.

Purpose: Current scapular free flap (SFF) harvest in mandibular reconstruction often requires repositioning, hindering simultaneous harvest and resection and potentially increasing ischemic time. This study evaluated the efficacy of the pull-through technique (PTT) for SFF harvest, aiming to reduce ischemic time during mandibular segmental resection.

Methods: A retrospective analysis was conducted on 24 patients who underwent mandibular reconstruction using SFF at two maxillofacial surgery departments between January 2015 and May 2022.

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Article Synopsis
  • This study explored the effectiveness and safety of combining chemoradiotherapy (CRT) with local consolidative therapy (LCT) for patients with Stage IV non-small cell lung cancer (NSCLC) and oligometastases.
  • During the Phase II trial involving 19 patients, the treatment resulted in a 58% response rate, median progression-free survival of 8.6 months, and a two-year survival rate of 68.4%.
  • The findings suggest that this aggressive treatment approach may prolong survival and improve local control without severe adverse events.
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Introduction: Osimertinib is the first-line treatment for patients with non-small cell lung cancer (NSCLC) who have EGFR mutations and favorable performance status (PS). Despite increasing clinical data on osimertinib, evidence in patients with an impaired PS remains limited. Therefore, a multicenter phase II trial (OPEN/TORG2040) was conducted to evaluate the efficacy and safety of first-line osimertinib for patients with EGFR mutation-positive NSCLC and poor PS.

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Real-world data on venous thromboembolism (VTE) in Japanese patients with gynecological cancer are lacking. The GOTIC-VTE trial aimed to evaluate the frequency of VTE-associated events and risk factors at the time of cancer diagnosis and during 1-year follow-up. From July 2017 to February 2019, patients with endometrial, cervical, ovarian, tubal, or peritoneal cancer who underwent VTE screening within 2 months before registration, were enrolled.

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Background: Biweekly irinotecan plus cisplatin combination therapy (BIRIP) and irinotecan monotherapy (IRI) are both expectable second-line chemotherapy (SLC) options for treating advanced gastric cancer (AGC). Although many patients receiving SLC have undergone gastrectomy, the impact of gastrectomy on SLC remains unclear, and the impact of gastrectomy may vary from regimen to regimen.

Patients And Methods: A total of 290 eligible patients registered in two randomized phase III trials evaluating BIRIP (IRI, 60 mg/m; CDDP, 30 mg/m, q2w) or IRI (150 mg/m, q2w) for patients with AGC was classified into the prior gastrectomy subgroup (PGG) or the no gastrectomy subgroup (NGG).

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Introduction: The frequency of neuroendocrine carcinoma of the prostate is low, accounting for approximately 1%-5% of all prostate cancers. Herein, we report the case of a patient who was diagnosed with prostate neuroendocrine carcinoma and successfully treated with etoposide and cisplatin.

Case Presentation: A 74-year-old man presented to the urology department with the chief complaint of urinary retention.

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Introduction: This multicenter study aimed to determine whether the pretreatment prognostic nutrition index (PNI) or a change in the index after two treatment courses could be a biomarker for predicting treatment sensitivity in patients with unresectable advanced or recurrent gastric cancer treated using chemotherapy and nivolumab as the first-line treatment.

Methods: This multicenter retrospective study with 104 patients was conducted at 12 institutions. PNI was calculated before treatment and after two courses of treatment in each case.

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This study aimed to visualize the current situation and trends in radiation therapy in Japan using open data from the Japanese National Database of Health Insurance Claims and Specific Health Checkups (NDB). We downloaded the NDB open data from the website of Japan's Ministry of Health, Labor and Welfare and used Python libraries to analyze the receipt data related to radiation therapy from fiscal year 2014 to 2022. The number of radiation therapy plans peaked in 2019, temporarily declined and subsequently showed a gradual increase.

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Article Synopsis
  • - In the CAPItello-291 study, capivasertib combined with fulvestrant showed improved progression-free survival (PFS) compared to placebo in patients with advanced HR-positive/HER2-negative breast cancer, including those with specific genetic alterations (PIK3CA, AKT1, or PTEN).
  • - Among the 708 total patients, 78 were from Japan, where results also indicated a numerical PFS benefit for the capivasertib-fulvestrant group, suggesting consistency with global findings.
  • - The safety profile for the Japanese subgroup was similar to that of the worldwide population, indicating no new safety concerns, thus supporting the efficacy of the treatment approach.
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Background: The standard treatment for patients in good general condition with limited-disease small cell lung cancer (LD-SCLC) is concurrent platinum/etoposide chemotherapy and thoracic radiotherapy (TRT). However, the efficacy and safety of chemoradiotherapy (CRT) in older patients with LD-SCLC has not been fully explored; moreover, the optimal treatment for this patient group remains unclear. This study aimed to investigate the feasibility and efficacy of CRT in older patients with LD-SCLC.

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Article Synopsis
  • The study focused on identifying biomarkers that can predict treatment outcomes and immune-related adverse events in patients with advanced recurrent gastric cancer receiving chemotherapy and nivolumab.
  • The research involved 104 patients, analyzing blood tests before and after treatment to assess changes in specific ratios like the lactate dehydrogenase/albumin ratio (LAR).
  • Results showed that 54.8% of patients had a positive response to treatment and that the LAR could serve as a potential biomarker for therapeutic response and efficacy.
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  • A multicenter study analyzed data from 104 patients with unresectable advanced or recurrent gastric cancer, focusing on conversion surgery (CS) after chemotherapy plus nivolumab as first-line treatment.
  • Out of the patients, 12 (11.5%) underwent CS, with significantly better Eastern Cooperative Oncology Group Performance Status (ECOG-PS) in those who did compared to those who did not.
  • The study found no high-risk Gustave Roussy Immune Score (GRIm-s) cases among those who had CS, suggesting that the GRIm-s might serve as a predictive biomarker for successful surgery outcomes.
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Background: Although treatment outcomes for metastatic colorectal cancer (mCRC) have dramatically improved over the past few decades, drug costs have also significantly increased. This study aimed to investigate which first-line treatment regimens for mCRC are actually used (frequency) in Japanese practice and at what cost.

Methods: We collected data on patients with mCRC who received first-line treatment at 37 institutions of the Japan Clinical Oncology Group Colorectal Cancer Study Group from July 2021 to June 2022, and calculated the cost of regimens.

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Purpose: Doublet chemotherapy with fluoropyrimidine (FP) and oxaliplatin (OX) plus bevacizumab (BEV) is a standard regimen for unresectable metastatic colorectal cancer (MCRC). However, the efficacy of adding OX to FP plus BEV (FP + BEV) remains unclear for older patients, a population for whom FP + BEV is standard. We aimed to confirm the superiority of adding OX to FP + BEV for this population.

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  • The study investigates the financial burden of metastatic breast cancer treatments in Japan, highlighting the growing incidence of the disease and its associated healthcare costs.
  • A web-based survey conducted at 51 hospitals involved 702 patients, revealing that nearly half were receiving high-cost treatments, with some patients facing expenses over 1,000,000 JPY per month.
  • Key findings indicated that the most expensive therapy, abemaciclib, increased patient costs significantly, emphasizing the need to assess total cost increases rather than just drug prices in evaluating treatment options.
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Introduction: Recent reports have described the usefulness of carbon ion radiotherapy (CIRT) for inoperable sacral chordomas. However, its long-term local control rate needs to be improved. The present study identified the risk factors that affect the local relapse of sacral chordomas and the appropriate margins from the tumors.

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  • * A retrospective analysis of 124 LD-SCLC patients revealed that those with favorable GPS scores (0-1) experienced significantly better progression-free survival (PFS) and overall survival (OS) compared to those with unfavorable scores (GPS 2).
  • * The study suggests that the GPS may serve as a useful tool for predicting treatment outcomes in LD-SCLC, with favorable scores correlating with improved survival rates.
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  • The study investigates the importance of reinforcing the duodenal stump to prevent leakage after radical gastrectomy in gastric cancer patients, as the effectiveness of different reinforcement methods was not well understood.
  • Conducted across 57 medical centers in Japan, the research analyzed data from over 16,000 patients from 2012 to 2021 and found that 0.93% experienced duodenal stump leakage, with lower incidence rates linked to reinforcement methods like seromuscular sutures and reinforced staplers.
  • Results highlighted that duodenal stump reinforcement is crucial, as leakage rates were lower in higher-volume hospitals and specific patient demographics were identified as risk factors for leakage-related mortality.
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Background: In the THOR trial (NCT03390504) Cohort 1, erdafitinib demonstrated significantly prolonged overall survival (OS) (median 12.1 versus 7.8 months) and reduced risk of death by 36% (hazard ratio 0.

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  • The incidence of cervical intraepithelial neoplasia is rising in Japan, with only 43.6% of women screened for cervical cancer in 2022, highlighting the need for better screening and HPV vaccination efforts.
  • A survey conducted among 471 patients revealed that those with more advanced cancer stages often reported symptoms rather than having regular screenings, and older patients showed less awareness of HPV's cancer risks.
  • The study emphasizes the importance of improving cancer screening awareness and accuracy, especially for non-squamous cell carcinomas and tumors in the endocervical canal, to enhance early detection and prevention.
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Re-administration of platinum-based chemotherapy for recurrent endometrial cancer: an ancillary analysis of the SGSG-012/GOTIC-004/Intergroup study.

Int J Clin Oncol

October 2024

Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.

Article Synopsis
  • The study explored the effectiveness of re-administering platinum-based chemotherapy in patients with recurrent endometrial cancer, showing that 47% of participants responded to this treatment.
  • Among the responders, 31% experienced a response duration longer than the time they were free from platinum treatment, and 39% had responses lasting over 12 months.
  • The findings suggest that despite advancements like immune checkpoint inhibitors, re-administering platinum-based chemotherapy could be a viable option for some patients, potentially leading to long-term responses.
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We present two cases of metastatic colorectal cancer where a liver injury developed while receiving capecitabine. In both cases, the patients were switched from oral capecitabine to a continuous intravenous 5-fluorouracil infusion and were able to continue treatment without a relapse of hepatotoxicity.

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Purpose: Carbon-ion radiation therapy (CIRT) is a treatment option for patients with hepatocellular carcinoma (HCC) that results in better outcomes with fewer side effects despite its high cost. This study aimed to evaluate the cost-effectiveness of CIRT for HCC from medical and economic perspectives by comparing CIRT and transarterial chemoembolization (TACE) in patients with localized HCC who were ineligible for surgery or radiofrequency ablation.

Methods And Materials: This study included 34 patients with HCC who underwent either CIRT or TACE at Gunma University between 2007 and 2016.

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Purpose: The randomized phase 2 Neo-peaks study examined usefulness of neoadjuvant trastuzumab emtansine + pertuzumab (T-DM1 + P) following docetaxel + carboplatin + trastuzumab + pertuzumab (TCbHP) as compared with the standard TCbHP regimen. We previously reported that pCR rate after neoadjuvant therapy tended to be higher with TCbHP followed by T-DM1 + P. We conducted an exploratory analysis of prognosis 5 years after surgery.

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