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Sun P, Antwi SO, Sartorius K, Zheng X, Li X. Tumor Microenvironment, Clinical Features, and Advances in Therapy for Bone Metastasis in Gastric Cancer. Cancers (Basel) 2022; 14:cancers14194888. [PMID: 36230816 PMCID: PMC9563035 DOI: 10.3390/cancers14194888] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 09/30/2022] [Accepted: 10/01/2022] [Indexed: 11/16/2022] Open
Abstract
Gastric cancer (GC) is one of the most malignant neoplasms worldwide, accounting for about 770,000 deaths in 2020. The incidence of gastric cancer bone metastasis (GC-BM) is low, about 0.9–13.4%, and GC patients develop GC-BM because of a suitable bone microenvironment. Osteoblasts, osteoclasts, and tumor cells interact with each other, secreting cytokines such as PTHrP, RANK-L, IL-6, and other growth factors that disrupt the normal bone balance and promote tumor growth. The functions and numbers of immune cells in the bone microenvironment are continuously inhibited, resulting in bone balance disorder due to the cytokines released from destroyed bone and growing tumor cells. Patients with GC-BM are generally younger than 65 years old and they often present with a later stage of the disease, as well as more aggressive tumors. They usually have shorter overall survival (OS) because of the occurrence of skeletal-related events (SREs) and undetected bone destruction due to the untimely bone inspection. Current treatments of GC-BM focus mainly on gastric cancer and SRE-related treatment. This article reviews the clinical features, possible molecular pathogeneses, and the most commonly used diagnostic methods and treatments of bone metastasis in gastric cancer.
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Affiliation(s)
- Pengcheng Sun
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou 213004, China
- Department of Oncology, The Third Affiliated Hospital of Soochow University, Changzhou 213004, China
| | - Samuel O. Antwi
- Department of Quantitative Health Sciences, Mayo Clinic, Jacksonville, FL 32224, USA
- The Africa Hepatopancreatobiliary Cancer Consortium (AHPBCC), Mayo Clinic, Jacksonville, FL 32224, USA
| | - Kurt Sartorius
- The Africa Hepatopancreatobiliary Cancer Consortium (AHPBCC), Mayo Clinic, Jacksonville, FL 32224, USA
- School of Laboratory Medicine and Molecular Sciences, College of Health Sciences, University of Kwazulu-Natal, Durban 4041, South Africa
- UKZN Gastrointestinal Cancer Research Unit, University of Kwazulu-Natal, Durban 4041, South Africa
| | - Xiao Zheng
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou 213004, China
- Correspondence: (X.Z.); (X.L.)
| | - Xiaodong Li
- Department of Oncology, The Third Affiliated Hospital of Soochow University, Changzhou 213004, China
- The Africa Hepatopancreatobiliary Cancer Consortium (AHPBCC), Mayo Clinic, Jacksonville, FL 32224, USA
- Correspondence: (X.Z.); (X.L.)
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Bone Metastases from Gastric Cancer: What We Know and How to Deal with Them. J Clin Med 2021; 10:jcm10081777. [PMID: 33921760 PMCID: PMC8073984 DOI: 10.3390/jcm10081777] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/28/2021] [Accepted: 04/12/2021] [Indexed: 12/14/2022] Open
Abstract
Gastric cancer (GC) is the third cause of cancer-related death worldwide; the prognosis is poor especially in the case of metastatic disease. Liver, lymph nodes, peritoneum, and lung are the most frequent sites of metastases from GC; however, bone metastases from GC have been reported in the literature. Nevertheless, it is unclear how the metastatic sites may affect the prognosis. In particular, knowledge about the impact of bone metastases on GC patients’ outcome is scant, and this may be related to the rarity of bone lesions and/or their underestimation at the time of diagnosis. In fact, there is still a lack of specific recommendation for their detection at the diagnosis. Then, the majority of the evidences in this field came from retrospective analysis on very heterogeneous study populations. In this context, the aim of this narrative review is to delineate an overview about the evidences existing about bone metastases in GC patients, focusing on their incidence and biology, the prognostic role of bone involvement, and their possible implication in the treatment choice.
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Bajetta E, Verzoni E, Ferrario E, Dotti K, Gevorgyan A, Celio L. Feasibility Study of Biweekly Capecitabine, Oxaliplatin, and Irinotecan in Patients with Untreated Advanced Gastric Cancer. TUMORI JOURNAL 2018; 95:43-7. [DOI: 10.1177/030089160909500108] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Capecitabine in combination with oxaliplatin and irinotecan (COI regimen) is active and well tolerated in metastatic colorectal cancer. Since there is no internationally adopted standard regimen, we have conducted a pilot study of COI in untreated advanced gastric cancer. Methods Patients received irinotecan, 180 mg/m2 infused over 90 min on day 1, followed by oxaliplatin, 85 mg/m2 in a 3-hr infusion on day 2, and capecitabine, 1000 mg/m2/day orally twice daily from days 2 to 6 of a biweekly schedule. Treatment was continued up to 8 cycles or until progression of disease occurred. Response (RECIST criteria) was assessed after the first three cycles and was to be confirmed at least 4 weeks following the first response. Results A total of 12 patients (5 men and 7 women) with a median age of 54 years (range, 42–65) was prospectively enrolled. Most of the patients (83%) had metastatic disease. Three complete responses, four partial responses and two disease stabilizations occurred in the intention-to-treat cohort, with an overall response rate of 58% (95% confidence interval, 28–85%). Median time to progressive disease and overall survival were 6.4 and 12 months, respectively. A total of 68 cycles was administered, with a median of 6 cycles per patient (range, 1–8). Grade 3 neutropenia occurred in two patients. The most common non-hematologic grade 3 toxicities were nausea (3 patients) and diarrhea (2 patients). Conclusions These preliminary findings suggest that biweekly COI is a feasible and promising triplet for the first-line treatment of advanced gastric cancer. A large multi-institutional phase II study of the combination has already been planned in this setting.
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Affiliation(s)
- Emilio Bajetta
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Elena Verzoni
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Erminia Ferrario
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Katia Dotti
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Arpine Gevorgyan
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Luigi Celio
- Medical Oncology Unit 2, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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Li G, Wang J, Hu W, Zhang Z. Radiation-Induced Liver Injury in Three-Dimensional Conformal Radiation Therapy (3D-CRT) for Postoperative or Locoregional Recurrent Gastric Cancer: Risk Factors and Dose Limitations. PLoS One 2015; 10:e0136288. [PMID: 26291715 PMCID: PMC4546190 DOI: 10.1371/journal.pone.0136288] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 08/02/2015] [Indexed: 01/31/2023] Open
Abstract
PURPOSE This study examined the status of radiation-induced liver injury in adjuvant or palliative gastric cancer radiation therapy (RT), identified risk factors of radiation-induced liver injury in gastric cancer RT, analysed the dose-volume effects of liver injury, and developed a liver dose limitation reference for gastric cancer RT. METHODS AND MATERIALS Data for 56 post-operative gastric cancer patients and 6 locoregional recurrent gastric cancer patients treated with three-dimensional conformal radiation therapy (3D-CRT) or intensity-modulated radiation therapy (IMRT) from Sep 2007 to Sep 2009 were analysed. Forty patients (65%) were administered concurrent chemotherapy. Pre- and post-radiation chemotherapy were given to 61 patients and 43 patients, respectively. The radiation dose was 45-50.4 Gy in 25-28 fractions. Clinical parameters, including gender, age, hepatic B virus status, concurrent chemotherapy, and the total number of chemotherapy cycles, were included in the analysis. Univariate analyses with a non-parametric rank test (Mann-Whitney test) and logistic regression test and a multivariate analysis using a logistic regression test were completed. We also analysed the correlation between RT and the changes in serum chemistry parameters [including total bilirubin, (TB), direct bilirubin (D-TB), alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST) and serum albumin (ALB)] after RT. RESULTS The Child-Pugh grade progressed from grade A to grade B after radiotherapy in 10 patients. A total of 16 cases of classic radiation-induced liver disease (RILD) were observed, and 2 patients had both Child-Pugh grade progression and classic RILD. No cases of non-classic radiation liver injury occurred in the study population. Among the tested clinical parameters, the total number of chemotherapy cycles correlated with liver function injury. V35 and ALP levels were significant predictive factors for radiation liver injury. CONCLUSIONS In 3D-CRT for gastric cancer patients, radiation-induced liver injury may occur and affect the overall treatment plan. The total number of chemotherapy cycles correlated with liver function injury, and V35 and ALP are significant predictive factors for radiation-induced liver injury. Our dose limitation reference for liver protection is feasible.
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Affiliation(s)
- Guichao Li
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jiazhou Wang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Weigang Hu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhen Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- * E-mail:
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Abstract
Gastric cancer is highly prevalent in several countries around the world and remains an incurable disease. Treatment involves surgery, chemotherapy and radiation. Surgical resection remains the definitive treatment for early stage (T1 and T2) gastric cancer, with 5-year survival rates of 70 - 95%. Localized tumours that extend beyond the submucosa are, however, associated with worse outcomes and a 5-year survival rate of 20 - 30%. Recent advances mainly concern chemotherapy prior to surgical resection. The goal of pre-operative chemotherapy is to allow an early attack on systemic micrometastatic disease and, by downstaging the primary tumour, to increase the percentage of patients able to undergo curative resection. Pre-operative chemotherapy remains experimental, but several phase II and III studies have shown promising results. One approach involves systemic, pre-operative chemotherapy for resectable gastric cancer. This review focuses on the development of pre-operative chemotherapy as a component of the multimodal treatment of gastric cancer.
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Affiliation(s)
- R B He
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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Abstract
Despite a sharp decline in the incidence of gastric cancer during the second half of the 20th century, this malignancy remains the second leading cause of cancer mortality in the world. The incidence and mortality rate of gastric cancer increase with age; at present, the median ages at diagnosis are 67 years for men and 72 years for women in the US. This article reviews and discusses current medical treatment options for both the general population and elderly gastric cancer patients. Management of localized gastric cancer has changed significantly over recent years. Adjuvant chemoradiation is not generally recommended outside the US. After decades of trials of adjuvant chemotherapy with inconclusive results, a significant survival benefit for perioperative combination chemotherapy - as compared with surgery alone - in patients with resectable or locally advanced gastro-oesophageal cancer was recently demonstrated in the UK MAGIC trial. A further large, randomized trial from Japan demonstrated a significant survival benefit for adjuvant chemotherapy with S-1 after D2 resection for gastric cancer. However, both trials are applicable only to the population in which the trials were conducted. Specific data on elderly patients are missing. For patients with metastatic disease, oral fluoropyrimidines, such as capecitabine, have been developed. In Asian patients, treatment with the oral fluoropyrimidine S-1 is safe and effective. Docetaxel, oxaliplatin and irinotecan have demonstrated activity against gastric cancer in appropriately designed, randomized, phase III trials and have increased the available treatment options significantly. In addition, according to preliminary data, trastuzumab in combination with chemotherapy has significantly improved activity when compared to chemotherapy alone in patients with human epidermal receptor (HER)-2-positive gastric and gastro-oesophageal cancers. Thus, therapeutic decisions in patients with advanced gastric cancer may be adapted to the molecular subtype and co-morbidities of the individual patient. Data from retrospective analyses suggest that oxaliplatin seems to be better tolerated than cisplatin in elderly patients.
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Affiliation(s)
- Anna Dorothea Wagner
- Multidisciplinary Oncology Center, University of Lausanne Hospitals, Lausanne, Switzerland
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Gastric cancer. Crit Rev Oncol Hematol 2009; 71:127-64. [PMID: 19230702 DOI: 10.1016/j.critrevonc.2009.01.004] [Citation(s) in RCA: 318] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Revised: 01/08/2009] [Accepted: 01/15/2009] [Indexed: 02/08/2023] Open
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Saif MW, Syrigos KN, Katirtzoglou NA. S-1: a promising new oral fluoropyrimidine derivative. Expert Opin Investig Drugs 2009; 18:335-48. [PMID: 19243284 DOI: 10.1517/13543780902729412] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
S-1 is an oral fluoropyrimidine that is designed to improve the antitumor activity of 5-fluorouracil (5-FU) concomitantly with an intent to reduce its toxicity. S-1 consists of tegafur, a prodrug of 5-FU combined with two 5-FU biochemical modulators:5-chloro-2,4-dihydroxypyridine (gimeracil or CDHP), a competitive inhibitor of dihydropyrimidine dehydrogenase and oteracil potassium which inhibits phosphorylation of 5-FU in the gastrointestinal tract decreasing serious gastrointestinal toxicities,including nausea, vomiting, stomatitis and diarrhea. Being an oral agent, S-1 offers convenience of administration and prevents complications of central venous access such as infection, thrombosis and bleeding. S-1 has shown efficacy in both gastrointestinal as well non-gastrointestinal malignancies. The authors review the current literature and provide their expert opinion on the incorporation of S-1 in the treatment of solid malignancies [corrected].
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Affiliation(s)
- Muhammad Wasif Saif
- Yale University School of Medicine, Division of Medical Oncology, 333 Cedar Street, FMP 116 New Haven, CT 06520, USA.
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Alpha-fetoprotein expressing metastastic adenocarcinoma of the esophago-gastric junction responding favorably to capecitabine and oxaliplatin. Anticancer Drugs 2009; 20:75-8. [PMID: 19343004 DOI: 10.1097/cad.0b013e328312659a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Alpha-fetoprotein-producing metastatic adenocarcinoma of the stomach or the esophago-gastric junction usually exhibits either no or only short-term remission while receiving palliative chemotherapy. We report on a 76-year-old male patient suffering from an unresectable alpha-fetoprotein-producing adenocarcinoma of the esophago-gastric junction with several liver metastases. He was treated with capecitabine and oxaliplatin-based combination therapy. A long-lasting major remission was observed resulting in a survival of 18.5 months.
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Okines AFC, Norman AR, McCloud P, Kang YK, Cunningham D. Meta-analysis of the REAL-2 and ML17032 trials: evaluating capecitabine-based combination chemotherapy and infused 5-fluorouracil-based combination chemotherapy for the treatment of advanced oesophago-gastric cancer. Ann Oncol 2009; 20:1529-1534. [PMID: 19474114 DOI: 10.1093/annonc/mdp047] [Citation(s) in RCA: 183] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The REAL-2 and ML17032 trials demonstrated that the oral fluoropyrimidine, capecitabine, is noninferior to 5-fluorouracil (5-FU) for overall survival (OS) and progression-free survival (PFS), respectively, in advanced oesophago-gastric cancer. METHODS Individual patient data were collected on all patients randomised within the trials (n = 1318). Kaplan-Meier survival curves were generated and the log-rank test was used to compare OS and PFS between patients receiving 5-FU combinations and capecitabine combinations. Stepwise multivariate Cox regression analysis was used to calculate corrected hazard ratios (HRs) and 95% confidence intervals (CIs) for OS and PFS. Logistic regression was used for objective response rate. Forest plots with tests of heterogeneity were generated. RESULTS OS was superior in the 654 patients treated with capecitabine combinations compared with the 664 patients treated with 5-FU combinations; HR 0.87 (95% CI 0.77-0.98, P = 0.02). Poor performance status, age <60 and metastatic disease were independent predictors of poor survival. There was no significant difference in PFS between treatment groups on multivariate analysis. Assessable patients treated with capecitabine combinations were significantly more likely to have an objective response to treatment than those treated with 5-FU combinations; odds ratio 1.38 (95% CI 1.10-1.73, P = 0.006). CONCLUSION OS is superior in patients treated with capecitabine combinations compared with 5-FU combinations in advanced oesophago-gastric cancer.
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Affiliation(s)
- A F C Okines
- The Royal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - A R Norman
- The Royal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK
| | - P McCloud
- Roche Products Pty Ltd, Dee Why, Australia
| | - Y-K Kang
- Division of Oncology, Department of Internal Medicine, Asan Medical Centre, University of Ulsan College of Medicine, Songpa Gu, Seoul, South Korea
| | - D Cunningham
- The Royal Marsden Hospital NHS Foundation Trust, Sutton, Surrey, UK.
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KANG HJ, CHO SH, OH SJ, YANG SH, LEE MH, SONG EK, CHUNG HC, NA II, RYOO BY. Phase II study of S-1 and irinotecan combination chemotherapy as a first-line therapy for patients with advanced gastric cancer. Korean Cancer Study Group Protocol ST05-02. Asia Pac J Clin Oncol 2009. [DOI: 10.1111/j.1743-7563.2009.01191.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Enzinger PC, Ryan DP, Clark JW, Muzikansky A, Earle CC, Kulke MH, Meyerhardt JA, Blaszkowsky LS, Zhu AX, Fidias P, Vincitore MM, Mayer RJ, Fuchs CS. Weekly docetaxel, cisplatin, and irinotecan (TPC): results of a multicenter phase II trial in patients with metastatic esophagogastric cancer. Ann Oncol 2009; 20:475-80. [PMID: 19139178 DOI: 10.1093/annonc/mdn658] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Recent studies have examined the addition of docetaxel to fluorouracil and cisplatin in advanced esophagogastric cancer. PATIENTS AND METHODS We carried out a phase I dose-escalation study of weekly docetaxel, cisplatin, and irinotecan (TPC), given on days 1 and 8 every 3 weeks, in patients with chemonaive solid tumors. Subsequently, we completed a multiinstitutional phase II study of TPC in patients with previously untreated, metastatic esophagogastric cancer. RESULTS Thirty-nine patients were enrolled in the phase I trial; a weekly schedule of TPC was well tolerated. On that basis, docetaxel 30 mg/m(2), cisplatin 25 mg/m(2), and irinotecan 65 mg/m(2) were selected for the phase II trial, where in the first 18 patients irinotecan 65 mg/m(2) caused too much diarrhea and was reduced to 50 mg/m(2). Among 56 eligible patients with previously untreated, metastatic esophagogastric cancer enrolled in the phase II trial, three complete and 27 partial responses were observed (overall response rate=54%), and 15 patients (30%) had stable disease. Median progression-free survival was 7.1 months, and median survival was 11.9 months. At the final irinotecan dose of 50 mg/m(2), grade 3 or higher toxicity included diarrhea (26%), neutropenia (21%), nausea (18%), fatigue (16%), anorexia (13%), and thrombosis/embolism (13%). CONCLUSIONS Weekly TPC is an active and well-tolerated regimen for patients with esophagogastric cancer.
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Affiliation(s)
- P C Enzinger
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.
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Catalano V, Graziano F, Santini D, D'Emidio S, Baldelli AM, Rossi D, Vincenzi B, Giordani P, Alessandroni P, Testa E, Tonini G, Catalano G. Second-line chemotherapy for patients with advanced gastric cancer: who may benefit? Br J Cancer 2008; 99:1402-7. [PMID: 18971936 PMCID: PMC2579675 DOI: 10.1038/sj.bjc.6604732] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
No established second-line chemotherapy is available for patients with advanced gastric cancer failing to respond or progressing to first-line chemotherapy. However, 20–40% of these patients commonly receive second-line chemotherapy. We evaluated the influence of clinico-pathologic factors on the survival of 175 advanced gastric cancer patients, who received second-line chemotherapy at three oncology departments. Univariate and multivariate analyses found five factors which were independently associated with poor overall survival: performance status 2 (hazard ratio (HR), 1.79; 95% CI, 1.16–2.77; P=0.008), haemoglobin ⩽11.5 g l−1 (HR, 1.48; 95% CI, 1.06–2.05; P=0.019), CEA level >50 ng ml−1 (HR, 1.86; 95% CI, 1.21–2.88; P=0.004), the presence of greater than or equal to three metastatic sites of disease (HR, 1.72; 95% CI, 1.16–2.53; P=0.006), and time-to-progression under first-line chemotherapy ⩽6 months (HR, 1.97; 95% CI, 1.39–2.80; P<0.0001). A prognostic index was constructed dividing patients into low- (no risk factor), intermediate- (one to two risk factors), or high- (three to five risk factors) risk groups, and median survival times for each group were 12.7 months, 7.1 months, and 3.3 months, respectively (P<0.001). In the absence of data deriving from randomised trials, this analysis suggests that some easily available clinical factors may help to select patients with advanced gastric cancer who could derive more benefit from second-line chemotherapy.
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Affiliation(s)
- V Catalano
- Department of Medical Oncology, Azienda Ospedaliera 'Ospedale San Salvatore', Pesaro, Italy.
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Ohtsu A. Chemotherapy for metastatic gastric cancer: past, present, and future. J Gastroenterol 2008; 43:256-64. [PMID: 18458840 DOI: 10.1007/s00535-008-2177-6] [Citation(s) in RCA: 138] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Accepted: 01/23/2008] [Indexed: 02/04/2023]
Abstract
Despite the numerous efforts of randomized studies on advanced gastric cancer, no globally accepted standard regimen has yet been established. Two triplet regimens have already demonstrated significant survival prolongation in Western studies. However, the benefit seems to be marginal, and these regimens may be replaced by recently published newer generation regimens for which favorable survival is reported. At present, the combination of 5-fluorouracil (5-FU) and platinum analog is still the most widely accepted standard regimen worldwide: 5-FU can be replaced by S-1 or capecitabine, and cisplatin by oxaliplatin. In Japan, S-1 plus cisplatin is the most reasonable first-line standard, based on recent randomized studies. Some early clinical studies using molecular targeting agents have shown promising activity, particularly in combination with cytotoxic agents for gastric cancer. Several targeting agents such as trastuzumab, bevacizumab, and lapatinib are now under investigation in international randomized studies, including in Japan. These agents have shown a survival benefit in other tumor types. The next-generation targeting agents, including mammalian target of rapamycin inhibitor and a c-Met tyrosine kinase inhibitor, are also being evaluated in early clinical studies in association with biology research. Such agents can be advantageously used in gastric cancer studies, which, because of the ease with which tumor tissues can be obtained by endoscopy and the high incidence of gastric cancer in Japan, might advance the frontiers of biologic therapy. These efforts should result not only in further clinical advances but also in tailored medicine.
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Affiliation(s)
- Atsushi Ohtsu
- Division of Gastrointestinal Oncology/Digestive Endoscopy, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577, Japan
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Pozzo C, Barone C. Is there an optimal chemotherapy regimen for the treatment of advanced gastric cancer that will provide a platform for the introduction of new biological agents? Oncologist 2008; 13:794-806. [PMID: 18614586 DOI: 10.1634/theoncologist.2008-0082] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Globally, gastric cancer is the second most common cause of cancer-related death. The majority of gastric cancer patients will have at presentation or will ultimately develop overt metastatic disease. Meta-analysis has demonstrated not only that systemic chemotherapy can improve survival in patients with advanced disease but also that the best survival results in earlier randomized studies have been achieved with three-drug regimens containing a fluoropyrimidine, an anthracycline, and cisplatin. Although there has been little progress historically in improving median overall survival times beyond the 9-month plateau achievable with the standard epirubicin-cisplatin-infusional 5-fluoropyrimidine (ECF) combination, the availability of newer cytotoxic anticancer agents has provided some measure of optimism that current outcomes can be improved. A number of new triplet and doublet combinations incorporating docetaxel, oxaliplatin, irinotecan, capecitabine, and S-1 have been explored in randomized trials. Although some combinations, such as epirubicin-oxaliplatin-capecitabine, have been shown to be as effective as (or perhaps more effective than) ECF, and although promising early data have been derived for S-1 in combination with cisplatin, a lack of studies in which direct comparisons have been made currently hinders the identification of the optimal regimen in this setting. One factor that might contribute to the lack of clear progress is the absence of consensus on the utility of second-line cytotoxic treatments. It can therefore be concluded that, although there is no first-line regimen that is clearly the most appropriate platform for the investigation of biological agents, there are a number of combinations that have been shown to be effective and therefore good candidates.
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Affiliation(s)
- Carmelo Pozzo
- Medical Oncology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy.
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Affiliation(s)
- Masahiko Nishiyama
- Translational Research Center, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama 350-1298, Japan.
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Salvage chemotherapy with biweekly irinotecan, plus 5-fluorouracil and leucovorin in patients with advanced gastric cancer previously treated with fluoropyrimidine, platinum, and taxane. Am J Clin Oncol 2008; 31:151-6. [PMID: 18391599 DOI: 10.1097/coc.0b013e31815878a2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVES We retrospectively assessed the combination of biweekly irinotecan with 5-fluorouracil (5-FU), and leucovorin (LV) as salvage chemotherapy in patients with advanced gastric cancer (AGC) previously treated with fluoropyrimidine (F), platinum (P), and taxane (T). METHODS Between October 2003 and February 2006, all 131 patients with AGC were treated with irinotecan (150 mg/m(2) on day 1), along with either FOLFIRI-1 (ie, LV (20 mg/m(2) bolus) before 5-FU (1000 mg/m(2) continuous infusion over 6-hour) on days 1-2), or FOLFIRI-2 (ie, LV (20 mg/m(2) bolus) before 5-FU (400 mg/m(2) bolus) followed by 22-hour continuous infusion of 600 mg/m(2) on days 1-2), or FOLFIRI-3 (ie, 5-FU (400 mg/m(2) bolus) followed by 46-hour continuous infusion of 2400 mg/m(2) 5-FU and 100 mg/m(2) LV). Cycles were repeated every 2 weeks. RESULTS The median age of the patients was 52 years (range, 19-70 years). Patients received a median of 4 cycles of chemotherapy (range, 1-21 cycles). Of the 97 patients with measurable disease, 1 (1.0%) achieved a complete response, and 11 (11.3%) achieved partial responses, making the overall response rate 12.3%. The median time to progression (TTP) was 2.2 months (95% CI, 1.9-2.6 months) and the median overall survival (OS) was 6.2 months (95% CI, 5.6-6.9 months). Good performance status (P = 0.046), fewer metastatic sites (P < 0.001), and longer time to progression of previous chemotherapy (P = 0.006) were independent prognostic factors affecting OS. OS was longer with the FOLFIRI-1 regimen but not with statistical significance (P = 0.064). The treatments were generally well tolerated. CONCLUSIONS In actual clinical practice, biweekly irinotecan with 5-FU and LV had modest activity and tolerability in AGC patients previously treated with F, P, and T.
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Abstract
Although the role of systemic chemotherapy has been established for the treatment of advanced gastric cancer, the prognosis of these patients remains poor, with a median overall survival of less than 1 year. Based on the results of several randomized Phase III trials, 5-fluorouracil continuous infusion plus cisplatin, with or without epirubicin, has become the global reference regimen for this patient population. However, treatment with fluorouracil infusion requires either frequent hospitalizations or the use of a central venous access device, harboring potential complications. Capecitabine, a tumor-activating oral prodrug of fluorouracil, may be more advantageous in terms of patient convenience, safety and efficacy. Two recent randomized Phase III trials have shown that capecitabine could replace infusional fluorouracil in cisplatin-based regimens. Furthermore, Phase II trials have shown that many other capecitabine-based doublet or triplet chemotherapy regimens incorporating newer cytotoxic agents are active and well tolerated. Many promising biological agents are now being tested in Phase III trials, incorporating capecitabine combinations as control arms, in patients with advanced gastric cancer.
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Affiliation(s)
- Jae-Lyun Lee
- University of Ulsan College of Medicine, Division of Oncology, Department of Internal Medicine, Asan Medical Center, 388-1 Poongnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Yoon-Koo Kang
- University of Ulsan College of Medicine, Division of Oncology, Department of Internal Medicine, Asan Medical Center, 388-1 Poongnap-dong, Songpa-gu, Seoul, 138-736, Korea
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S-1 plus cisplatin versus S-1 alone for first-line treatment of advanced gastric cancer (SPIRITS trial): a phase III trial. Lancet Oncol 2008; 9:215-21. [PMID: 18282805 DOI: 10.1016/s1470-2045(08)70035-4] [Citation(s) in RCA: 1378] [Impact Index Per Article: 86.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Phase I/II clinical trials of S-1 plus cisplatin for advanced gastric cancer have yielded good responses and the treatment was well tolerated. In this S-1 Plus cisplatin versus S-1 In RCT In the Treatment for Stomach cancer (SPIRITS) trial, we aimed to verify that overall survival was better in patients with advanced gastric cancer treated with S-1 plus cisplatin than with S-1 alone. METHODS In this phase III trial, chemotherapy-naive patients with advanced gastric cancer were enrolled between March 26, 2002, and Nov 30, 2004, at 38 centres in Japan, and randomly assigned to S-1 plus cisplatin or S-1 alone. In patients assigned to S-1 plus cisplatin, S-1 (40-60 mg depending on patient's body surface area) was given orally, twice daily for 3 consecutive weeks, and 60 mg/m(2) cisplatin was given intravenously on day 8, followed by a 2-week rest period, within a 5-week cycle. Those assigned to S-1 alone received the same dose of S-1 twice daily for 4 consecutive weeks, followed by a 2-week rest period, within a 6-week cycle. The primary endpoint was overall survival. Secondary endpoints were progression-free survival, proportions of responders, and safety. Analysis was by intention to treat. This trial is registered with ClinicalTrials.gov, number NCT00150670. FINDINGS 305 patients were enrolled; seven patients were ineligible or withdrew consent, therefore, 148 patients were assigned to S-1 plus cisplatin and 150 patients were assigned to S-1 alone. Median overall survival was significantly longer in patients assigned to S-1 plus cisplatin (13.0 months [IQR 7.6-21.9]) than in those assigned to S-1 alone (11.0 months [5.6-19.8]; hazard ratio for death, 0.77; 95% CI 0.61-0.98; p=0.04). Progression-free survival was significantly longer in patients assigned to S-1 plus cisplatin than in those assigned to S-1 alone (median progression-free survival 6.0 months [3.3-12.9] vs 4.0 months [2.1-6.8]; p<0.0001). Additionally, of 87 patients assigned S-1 plus cisplatin who had target tumours, one patient had a complete response and 46 patients had partial responses, ie, a total of 54% (range 43-65). Of 106 patients assigned S-1 alone who had target tumours, one patient had a complete response and 32 had partial responses, ie, a total of 31% (23-41). We recorded more grade 3 or 4 adverse events including leucopenia, neutropenia, anaemia, nausea, and anorexia, in the group assigned to S-1 plus cisplatin than in the group assigned to S-1 alone. There were no treatment-related deaths in either group. INTERPRETATION S-1 plus cisplatin holds promise of becoming a standard first-line treatment for patients with advanced gastric cancer.
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Ajani JA. The area between the curves gets no respect: is it because of the median madness? J Clin Oncol 2007; 25:5531. [PMID: 18048834 DOI: 10.1200/jco.2007.14.2463] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Moehler M, Galle PR, Gockel I, Junginger T, Schmidberger H. The multidisciplinary management of gastrointestinal cancer. Multimodal treatment of gastric cancer. Best Pract Res Clin Gastroenterol 2007; 21:965-81. [PMID: 18070698 DOI: 10.1016/j.bpg.2007.10.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Although radical surgical R0 resections are the basis of cure for gastric cancer, surgery alone only provides long-term survival in 20-30% of patients with advanced-stage disease. Thus, in Western and European countries, advanced gastric cancer has a high risk of recurrence and metachronous metastases. Very recently, multimodal strategies combining different neoadjuvant and/or adjuvant protocols have improved the prognosis of gastric cancer when combined with surgery with curative intent. As used in palliative regimens, the combination of cisplatin with intravenous or oral fluoropyrimidines has been the integral component of such (neo)adjuvant strategies. However, the cytotoxic agents docetaxel, oxaliplatin and irinotecan and new targeted biologicals such as cetuximab, bevacizumab or panitumumab are currently under investigation, with or without irradiation, in multimodal treatment regimens. These studies may further increase R0 resection rates, and prolong disease-free and overall survival times in the treatment of advanced gastric cancer. This article reviews the most relevant literature on multimodal treatment of gastric cancer, and discusses future strategies to improve locoregional failures.
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Affiliation(s)
- Markus Moehler
- First Department of Internal Medicine, Johannes Gutenberg University of Mainz, Langenbeckstrasse 1, 55101 Mainz, Germany.
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Ilson DH. Docetaxel, cisplatin, and fluorouracil in gastric cancer: does the punishment fit the crime? J Clin Oncol 2007; 25:3188-90. [PMID: 17664464 DOI: 10.1200/jco.2006.10.2210] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Lee JL, Ryu MH, Chang HM, Kim TW, Yook JH, Oh ST, Kim BS, Kim M, Chun YJ, Lee JS, Kang YK. A phase II study of docetaxel as salvage chemotherapy in advanced gastric cancer after failure of fluoropyrimidine and platinum combination chemotherapy. Cancer Chemother Pharmacol 2007; 61:631-7. [PMID: 17520252 DOI: 10.1007/s00280-007-0516-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2007] [Accepted: 05/04/2007] [Indexed: 01/01/2023]
Abstract
PURPOSE Fluoropyrimidine (F) and platinum (P) combination chemotherapy has been widely used as a first-line treatment of advanced gastric cancer (AGC). Docetaxel has shown promising activity against this disease. In this study, we explored the efficacy and safety of docetaxel monotherapy as salvage chemotherapy in AGC after F and P combination chemotherapy failed. MATERIALS AND METHODS From October 2004 to October 2005, 49 eligible patients were enrolled in this study. The median treatment-free interval was 28.0 days, and 81.6% of patients had suffered cancer progression within 4 months after the withdrawal of first-line chemotherapy. Docetaxel was given IV at a dose of 75 mg/m(2) every 3 weeks, together with dexamethasone prophylaxis. RESULTS A total of 182 cycles of docetaxel were administered with a median of 3 (range 1-9) cycles. From an intention-to-treat analysis, eight patients achieved objective response with a response rate of 16.3% (95% CI, 6.0-26.6). The median response duration was 4.7 months. A total of 20 patients showed stable disease, but 17 patients suffered disease progression. At a median follow-up duration of 11.3 months for surviving patients (range 6.3-18.8 months), the median time to disease progression was 2.5 months (95% CI, 2.3-2.7) and the median overall survival time since the start of docetaxel monotherapy was 8.3 months (95% CI, 6.7-9.8). Grade 3/4 neutropenia and febrile neutropenia occurred in 18.4% of patients and in 5.4% of cycles. The incidence of non-hematologic toxicities of grade 3 or worse was asthenia 32.7%, diarrhea 10.2% and peripheral sensory neuropathy 8.2%. CONCLUSION Docetaxel at 75 mg/m(2) is active against AGC as second-line chemotherapy after prior exposure to F and P combination chemotherapy. The toxicity profile is moderate.
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Affiliation(s)
- Jae-Lyun Lee
- Division of Oncology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Poongnap-dong, Songpa-gu, Seoul, 138-736, South Korea
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Kim JG, Ryoo BY, Park YH, Kim BS, Kim TY, Im YH, Kang YK. Prognostic factors for survival of patients with advanced gastric cancer treated with cisplatin-based chemotherapy. Cancer Chemother Pharmacol 2007; 61:301-7. [PMID: 17429626 DOI: 10.1007/s00280-007-0476-x] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2007] [Accepted: 03/16/2007] [Indexed: 12/13/2022]
Abstract
PURPOSE The present study evaluated baseline patient- or tumor-related prognostic factors in patients with advanced gastric adenocarcinoma. PATIENTS AND METHODS A total of 304 consecutive patients with newly diagnosed metastatic or recurrent gastric cancer treated with one or more cycles of cisplatin-based chemotherapy at the Korea Cancer Center Hospital were enrolled in the current study. RESULTS Among the original 304 patients, only 4 patients were alive at the time of this analysis. The median survival for all patients was 7.3 (95% CI, 6.3-8.2) months. Five independent prognostic factors were identified by a multivariate analysis: poor performance status (hazard ratio [HR], 1.46; 95% CI, 1.32-2.92), elevated total bilirubin (HR, 2.04; 95% CI, 1.73-2.35), presence of peritoneal metastasis (HR, 1.73; 95% CI, 1.57-1.90), presence of bone metastasis (HR, 3.11; 95% CI, 2.69-3.53), and more than 1 metastatic site (HR, 1.22; 95% CI, 1.06-1.38). A prognostic index was constructed that divided the patients into a good (n = 162), moderate (n = 82), or poor (n = 60) risk group. The 1-year survival rates for the good, moderate, and poor risk groups were 34.6, 20.7, and 1.7%, respectively, and the survival differences among the groups were highly significant (P < 0.0001). CONCLUSION Five prognostic factors were identified from patients receiving first-line cisplatin-based chemotherapy for advanced gastric cancer. A simple prognostic index was then developed that produced distinct survival rates among the different risk groups. Therefore, this prognostic model could help clinicians and patients in clinical decision-making and treatment tailoring based on the estimated prognosis.
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Affiliation(s)
- Jong Gwang Kim
- Department of Hematology-Oncology, Korea Cancer Center Hospital, Seoul, South Korea
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Koo DH, Lee JL, Kim TW, Chang HM, Ryu MH, Yook JH, Oh ST, Kim BS, Lee JS, Kang YK. Adjuvant chemotherapy with 5-fluorouracil, doxorubicin and mitomycin-C (FAM) for 6 months after curative resection of gastric carcinoma. Eur J Surg Oncol 2007; 33:843-8. [PMID: 17207959 DOI: 10.1016/j.ejso.2006.11.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2006] [Accepted: 11/28/2006] [Indexed: 11/18/2022] Open
Abstract
AIM This study aimed to evaluate the efficacy and safety of 5-fluorouracil (5-FU), doxorubicin and mitomycin-C (FAM) adjuvant chemotherapy in patients who had undergone curative resection of gastric carcinoma. METHODS From Nov 1999 to Jan 2002, 291 consecutive patients with stage IB-IIIB gastric adenocarcinoma were given FAM adjuvant chemotherapy. Chemotherapy comprised intravenous 5-FU 600 mg/m(2) (days 1, 8, 29 and 36), doxorubicin 30 mg/m(2) (days 1 and 29) and mitomycin-C 10 mg/m(2) (day 1), every 8 weeks for 6 months. RESULTS The median follow-up time was 60.6 months, 92 patients died, and 93 patients had recurrent disease. The 5-year overall survival (OS) rates were 85.9% for stage IB, 72.1% for stage II, 58.0% for stage IIIA, and 48.2% for stage IIIB (p=0.002). The 5-year relapse-free survival (RFS) rates were 85.2% for stage IB, 71.2% for stage II, 53.3% for stage IIIA, and 39.2% for stage IIIB (p<0.001). A total of 769 cycles of chemotherapy were delivered, and 15 patients experienced grade 3 or higher leukopenia. The most common grade 3 or higher non-hematologic toxicity was nausea/vomiting (11 patients), followed by stomatitis (3 patients). CONCLUSIONS Adjuvant chemotherapy with FAM for 6 months for gastric carcinoma indicated comparable RFS and OS with an acceptable toxicity profile.
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Affiliation(s)
- D H Koo
- Division of Oncology, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-2dong, Songpa-gu, Seoul 138-736, Republic of Korea
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Hong YS, Lee J, Lee SC, Hwang IG, Choi SH, Heo JS, Park JO, Park YS, Lim HY, Kang WK. Phase II study of capecitabine and cisplatin in previously untreated advanced biliary tract cancer. Cancer Chemother Pharmacol 2006; 60:321-8. [PMID: 17143602 DOI: 10.1007/s00280-006-0380-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2006] [Accepted: 10/26/2006] [Indexed: 12/27/2022]
Abstract
BACKGROUND Biliary tract cancer is one of the most aggressive and chemotherapy-refractory tumors. Although only curative treatment modality is surgery, most patients are not suitable for surgery due to advanced stage of the disease at diagnosis. Thus most patients with biliary tract cancer are possible candidates for palliative chemotherapy. The standard chemotherapeutic regimen is still to be defined, however. We performed a phase II study of combination chemotherapy with capecitabine and cisplatin in these patients to evaluate efficacy and toxicity of the regimen. METHODS Patients with previously untreated metastatic, recurrent, or inoperable biliary tract cancer were enrolled. Eligible patients were screened as following: (1) histologically confirmed, (2) age between 18 and 75 years, (3) at least one measurable lesion according to RECIST criteria, (4) ECOG performance status <or=2, (5) a life expectancy of at least 3 months, and (6) adequate laboratory values. Patients received capecitabine (2,500 mg/m2/day, days 1 to 14) and cisplatin (60 mg/m2, day 1) every 3 weeks. Response was assessed for every two cycles of chemotherapy and treatment was stopped when tumor had progressed or stable with no further response. RESULTS Thirty-two patients were enrolled, 20 (62.5%) were male and 12 (37.5%) were female and the median age was 54 years (33-71 years). Fifteen patients (46.9%) had gallbladder cancer, 13 (40.6%) had intrahepatic cholangiocarcinoma, and 4 (12.5%) had extrahepatic biliary cancer. The most frequent metastatic sites were lymph nodes (20/32, 62.5%) and liver (28/32, 56.3%). No complete response was observed and partial response was observed in 13/32 patients. By the intent-to-treat analysis, the overall response rate was 40.6% (95% CI, 23.7-59.4) with 0 CR and 13 PRs. Stable disease was observed in 3 patients (9.4%), and 11 patients (34.4%) had progressive disease. The median time to progression was 3.5 months (95% CI, 1.3-5.8), and the median overall survival was 12.4 months (95% CI, 6.3-18.5) after the median follow-up duration of 9.5 months (4.8-26.1 months). A total of 108 cycles of chemotherapy was delivered. Grade 3 hematologic toxicities included neutropenia (5, 15.6%), anemia (1, 3.1%), and thrombocytopenia (1, 3.1%) per patient, and no grade 4 hematologic toxicities were observed. Grade 3 non-hematologic toxicities included hyperbilirubinemia (2, 6.3%), increase of alkaline phosphatase (2, 6.3%), hand-foot syndrome (2, 6.3%), anorexia, and diarrhea (1, 3.1%) per patient, respectively. There was no treatment-related death. CONCLUSION The combination chemotherapy of capecitabine and cisplatin demonstrated a promising antitumor activity with mild toxicity profile in patients with advanced biliary tract cancer.
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Affiliation(s)
- Yong Sang Hong
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Kangnam-gu, Seoul 135-710, South Korea
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Affiliation(s)
- Anna D. Wagner
- Department of Internal Medicine II, University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | | | - Johannes Haerting
- Institute of Medical Epidemiology, Biostatistics and Informatics, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
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