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Clinical outcomes of 119 miniature- and toy-breed dogs with 140 distal radial and ulnar fractures repaired with free-form multiplanar type II external skeletal fixation. Vet Surg 2019; 48:938-946. [PMID: 31140637 DOI: 10.1111/vsu.13245] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 02/18/2019] [Accepted: 05/06/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To report the clinical outcomes of miniature- and toy-breed dogs with primary and previously treated distal radial and ulnar fractures (RUF) treated with a free-form multiplanar type II external skeletal fixation (ESF). STUDY DESIGN Retrospective study. ANIMALS One hundred nineteen dogs with 140 distal RUF. METHODS Medical records (2003-2017) were reviewed for dogs weighing up to 7 kg that had been treated for distal RUF with a free-form multiplanar type II ESF. Data collected included signalment, fracture location and configuration, fracture reduction, intraoperative realignment, time to bone union and implant removal, duration of destabilization and postoperative splint, complications, and outcomes. Follow-up consisted of clinical and radiographic evaluation or telephone interview. RESULTS All fractures healed, with a median time of 60 days, and entire ESF was removed, with a median time of 89 days. Major complications occurred in four fractures: premature pin loosening, elbow subluxation, osteomyelitis, and delayed union. Minor complications occurred in 52 fractures (61 events). All dogs had a successful return to normal limb function at final follow-up (median, seven months; range, 2-97). CONCLUSION All primary and previously treated distal RUF in miniature- and toy-breed dogs healed and allowed return to normal function after fixation with a free-form multiplanar type II ESF. CLINICAL SIGNIFICANCE The free-form multiplanar type II ESF provides an alternative for minimally invasive fixation of distal RUF in miniature- and toy-breed dogs that facilitates fracture reduction, intraoperative realignment, adequate initial fixation stability, destabilization, and implant removal.
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Distribution of endocrine tumor marker-positive cells in adenocarcinoma tissue between right-sided and left-sided colon cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Inhibitory effect of a synthetic bioresorbable adhesion membrane on small bowel obstruction (SBO) in patients undergoing elective surgery for colon cancer: A randomized controlled trial. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Outcomes of chemoradiotherapy plus local excision in patients with clinical T1 or T2, N0 rectal cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Increase in tumor-infiltrating FoxP3-positive regulatory T cells in left-sided colorectal cancer tissues after preoperative oral uracil and tegafur/leucovorin chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Primary colonic hemangiosarcoma in a dog. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2018; 59:373-378. [PMID: 29606722 PMCID: PMC5855291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A 13-year-old spayed female miniature dachshund dog was presented with a history of hematochezia, melena, and weight loss. A colonic mass detected by exploratory celiotomy was resected and diagnosed as hemangiosarcoma (HSA). Liver lobectomy for hepatic HSA was performed 894 days after surgery. Adjuvant chemotherapy was declined. This is the first documentation of a canine colonic HSA.
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Use of skin stretchers for single-stage bilateral mastectomies in a dog and a cat. Vet Surg 2017; 47:454-458. [DOI: 10.1111/vsu.12748] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 05/16/2017] [Accepted: 06/29/2017] [Indexed: 11/30/2022]
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Clinical impact of postoperative surgical complications on the colorectal cancer survival and recurrence: Analyses of pooled individual patients’ data from three large phase III randomized trials. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx659.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Gene expression changes in the immunotherapy targets CTLA4 and LAG3 in right- and left-sided colorectal cancer tissues during preoperative oral uracil and tegafur/leucovorin chemotherapy. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx393.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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A nomogram for predicting overall survival (OS) in Japanese patients (pts) with advanced colorectal cancer (aCRC) treated with irinotecan (IRI)-based regimens. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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The gene expression levels of gamma-glutamyl hydrolase in tumor tissues may be a useful biomarker for proper use of S-1 and tegafur-uracil /leucovorin in preoperative chemoradiotherapy in patients with rectal cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.67] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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B cells and natural killer cells in lymph node (LN) are independent predictors of LN size, the number of retrieved LNs and survival in stage II colon cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.68] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Prognostic factors in patients with locally advanced rectal cancer who underwent preoperative chemoradiotherapy: Subclassification of patients with ypstage II cancer according to tumor regression grade. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Phase III trial of 24 weeks vs. 48 weeks capecitabine adjuvant chemotherapy for patients with stage III colon cancer: Final results of JFMC37-0801. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw370.18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Randomized phase III trial of treatment duration for oral uracil and tegafur plus leucovorin as adjuvant chemotherapy for patients with stage IIB/III colon cancer: final results of JFMC33-0502. Ann Oncol 2015; 26:2274-80. [PMID: 26347106 PMCID: PMC4621030 DOI: 10.1093/annonc/mdv358] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 08/17/2015] [Indexed: 01/18/2023] Open
Abstract
While adjuvant chemotherapy is preferable for colon cancer, treatment duration is controversial. This phase III trial is investigated optimal duration of adjuvant chemotherapy for Stage IIB/III colon cancer. Eighteen-month treatment with UFT/LV did not improve DFS compared with 6-month UFT/LV treatment. This study suggests that 6 months treatment duration is enough for Stage IIB/III colon cancer. Background While adjuvant chemotherapy is preferable for high-risk colon cancer, treatment duration is controversial. Oral uracil and tegafur (UFT)/leucovorin (LV) is widely used as a standard adjuvant chemotherapy for colon cancer in Japan. We conducted a phase III trial to investigate the optimal duration of adjuvant chemotherapy for stage IIB/III colon cancer. Patients and methods Patients with curatively resected stage IIB/III colon cancer were eligible for enrollment in this trial. Patients were registered within 6 weeks after surgery and were randomly assigned to receive UFT/LV for 28 of 35 days for 6 months in the control group or for 5 consecutive days per week for 18 months in the study group. The primary end point was the disease-free survival (DFS), and the secondary end points were overall survival (OS) and safety. Result A total of 1071 patients were registered from 233 centers. A statistically significant difference in DFS was not observed between the study group and the control group; the 5-year DFS was 69% in the study group and 69% in the control group. The 5-year OS was 85% in the study group and 85% in the control group. Conclusion Eighteen-month treatment with UFT/LV did not improve DFS or OS compared with 6-month UFT/LV treatment in patients with stage IIB/III colon cancer. The important finding from this study is that not 18 months but 6 months of treatment is enough for postoperative UFT/LV for stage IIB/III colon cancer. Clinical trial number UMIN-CTR C000000245.
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2062 Increase in thymidine phosphorylase gene expression in tumor tissues is associated with response to preoperative chemoradiotherapy including S-1 or UFT in patients with rectal cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30985-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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2100 Impact of UGT1A1 genotype and irinotecan exposure on outcomes in Japanese patients with advanced colorectal cancer treated by irinotecan-based regimens. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31022-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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2074 Predictors of perioperative complications in patients with rectal cancer who receive preoperative chemoradiotherapy. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30997-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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An internally and externally validated nomogram for predicting the risk of irinotecan-induced severe neutropenia in advanced colorectal cancer patients. Br J Cancer 2015; 112:1709-16. [PMID: 25880011 PMCID: PMC4430714 DOI: 10.1038/bjc.2015.122] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 02/16/2015] [Accepted: 03/07/2015] [Indexed: 02/08/2023] Open
Abstract
Background: In Asians, the risk of irinotecan-induced severe toxicities is related in part to UGT1A1*6 (UGT, UDP glucuronosyltransferase) and UGT1A1*28, variant alleles that reduce the elimination of SN-38, the active metabolite of irinotecan. We prospectively studied the relation between the UGT1A1 genotype and the safety of irinotecan-based regimens in Japanese patients with advanced colorectal cancer, and then constructed a nomogram for predicting the risk of severe neutropenia in the first treatment cycle. Methods: Safety data were obtained from 1312 patients monitored during the first 3 cycles of irinotecan-based regimen in a prospective observational study. In development of the nomogram, multivariable logistic regression analysis was used to test the associations of candidate factors to severe neutropenia in the first cycle. The final nomogram based on the results of multivariable analysis was constructed and validated internally using a bootstrapping technique and externally in an independent data set (n=350). Results: The UGT1A1 genotype was confirmed to be associated with increased risks of irinotecan-induced grade 3 or 4 neutropenia and diarrhoea. The final nomogram included type of regimen, administered dose of irinotecan, gender, age, UGT1A1 genotype, Eastern Cooperative Oncology Group performance status, pre-treatment absolute neutrophil count, and total bilirubin level. The model was validated both internally (bootstrap-adjusted concordance index, 0.69) and externally (concordance index, 0.70). Conclusions: Our nomogram can be used before treatment to accurately predict the probability of irinotecan-induced severe neutropenia in the first cycle of therapy. Additional studies should evaluate the effect of nomogram-guided dosing on efficacy in patients receiving irinotecan.
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Predictors of Response to Preoperative Chemoradiotherapy (Crt) for Rectal Adenocarcinoma: Biopsy Specimens Obtained 1 Week After Starting Treatment are a Reliable Prognostic Factor. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu333.84] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Low Level of Thymidylate Synthase Gene Expression in Tumor Tissues is Associated with Response to Preoperative Chemoradiotherapy Including S-1 or Uft in Patients with Rectal Cancer. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu333.86] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Down-Regulation of γ-Glutamyl Hydrolase Gene Expression in Tumor Tissues is Associated with Response to Oral Uracil and Tegafur/Leucovorin Chemotherapy in Patients with Colorectal Cancer. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)33150-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Biopsy Specimens Obtained 7 Days After Starting Chemoradiotherapy (CRT) Provides Reliable Predictors of Response to CRT for Rectal Cancer. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)33186-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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6119 POSTER High Level of Thymidine Phosphorylase Gene Expression in Tumour Tissues is Associated With Response to Oral Uracil and Tegafur/leucovorin Chemotherapy in Patients With Colorectal Cancer. Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)71764-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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1088 POSTER Liposome-Encapsulated Hemoglobin Enhances Radiotherapy and Chemotherapy to Suppress Tumour Growth and Metastasis in Mice. Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)70731-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Six months compared with 12 months of capecitabine as adjuvant chemotherapy for stage III (Dukes' C) colon cancer: Rationale for the open-label randomized phase III study, JFMC37-0801. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
517 Background: The standard duration of adjuvant chemotherapy (CT) in patient with stage III colorectal cancer is 6 months. On the other hand, no clinical trial which investigate an optimal duration of oral chemotherapeutic agents has yet been implemented for adjuvant treatments. According to the ACCENT database (Sargent, et al. J Clin Oncol 27: 872- 877, 2009), 83% of recurrences in stage II and III pts have occurred within the first 3 years after surgery and peak was observed around one year after surgery. Also, single-agent FU-based adjuvant CT reduced the hazard rate of OS, DFS, and TTR, although the peak of events around one year was still remained especially for stage III pts. We analyzed the data of recurrent risk of curatively resected colon cancer pts provided by JFMC7-1-7-2-15, X-ACT. Surgery alone group and 6 months CT (5FU/LV or capecitabine [Cape]) showed highest peak between 12 months to 18 months after surgery, but 12 months oral 5-FUs group did not show recurrence peak between 12 months to 18 months after surgery. Therefore, to clarify the benefit of 12 month administration of Cape, we planned a phase III randomized trial for a comparison of 6 months treatment and 12 months treatment. Methods: JFMC37 is a multicenter, randomized phase III trial. Patients with fully resected stage III colon or recto sigmoid cancer were eligible. Patients were randomized 1:1 to receive Cape of 6 months (arm A) or Cape of 12 months (arm B). Primary endpoint is disease-free survival. The statistical design is based on superiority hypothesis; 5-yrs DFS is 60% in arm A, 67% in arm B; unilateral α=0.05, 1-β=0.8; and planed accrual is 1200 pts. Results: Between September 2008 to December 2009, 1,304 pts were randomized. Patients characteristics are (armA/armB); number 653/651, gender M352-F301/M343-F308, median age 65 years/65 years, ECOG PS=0-1 620-33/632-19, involvement of lymph nodes=N0-N1-N2 503-130-20/499-128-24. There were no differences in baseline characteristics between arm A and arm B. Conclusions: This trial is expected to show if 1 year adjutant chemotherapy with capecitabine can reduce the peak of recurrence in 1 year and provide long-term OS benefit. [Table: see text]
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Increased incidence of adverse events after concomitant hepatic arterial infusion plus systemic chemotherapy and bevacizumab for colorectal cancer with liver metastasis. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
591 Background: FOLFOX+bevacizumab (BEV) is the standard systemic chemotherapy for metastatic colorectal cancer (CRC). We investigated the combination of FOLFOX4 and hepatic arterial infusion (HAI) in patients who had isolated liver metastasis from CRC. We also compared efficacy and safety between this combination therapy and its concomitant use with BEV. Methods: Twenty-five patients entered a phase I/II trial of HAI (5-FU 250 mg/d, leucovorin 25 mg/d; d1-7, q2w) combined with FOLFOX4. Fourteen other patients with a similar background received HAI + FOLFOX4 combined with BEV and the two regimens were compared. Results: In the phase I/II study, the recommended doses for FOLFOX were as follows: L-OHP, 85 mg/m2; l-LV, 100 mg/m2; 5-FU (bolus), 400 mg/m2; and 5-FU (infusion), 600 mg/m2. Sixteen patients who received this regimen showed a response rate of 93.8% (2 CR and 13 PR), a median progression-free survival of 323 days, and a one-year survival rate of 93.7%. In the subsequent phase II trial of HAI + FOLFOX4 with BEV, 14 patients were enrolled and the response rate was 78.6% (2 CR and 9 PR). The outcome was inferior when BEV was used concomitantly. The median numbers of doses were 10 (range: 1-27) for FOLFOX4 and 9 (1-27) for HAI without BEV, whereas the corresponding numbers with BEV were 8 (1-12) and 2 (0-9), respectively. There was a marked decrease in the number of HAI procedures when BEV was used. Thrombosis occurred in 8 patients who received concomitant BEV, which was the most common reason for cessation of HAI. Other adverse events (≥Grade 3) were neutropenia (n=7; 43.8%) and thrombocytopenia (n=2; 12.5%) without BEV or neutropenia (n=7; 43.8%) and diarrhea (n=1; 7.1%) with BEV, and no marked difference was seen between the two regimens. Both regimens were well tolerated. Severe neuropathy was only observed in 1 patient (6.3%; Grade 3) who received concomitant BEV. Conclusions: In the present study, HAI + FOLFOX combined with BEV caused thrombosis and disturbance of wound healing, thereby increasing the incidence of complications and making it difficult to continue treatment. These findings suggest that BEV should not be administered with HAI therapy. No significant financial relationships to disclose.
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Evaluation of predictive factors of response of preoperative chemoradiotherapy (CRT) for rectal cancer biopsy specimens collected one week after the start of therapy. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
521 Background: Preoperative CRT is the standard therapy for advanced rectal cancer. It has been reported that not only local recurrence but also distant metastasis are few in patients (pts) with remarkable histologic response. However, no definitive predictive factor has been established. The aim of this study was to determine whether biopsy collected before and one week after the start of CRT has significance as a predictive factor. Methods: Subjects were 72 pts with cT3/T4NxM0 rectal cancer who underwent preoperative CRT (40 or 45 Gy in 20 or 25 frs. with oral UFT or S-1 based chemotherapy). Pathologic response was assessed based on tumor regression grade (TRG) and tumor reduction rate (TRR) was calculated from barium enema images. Biopsy specimens were evaluated by proliferative index (Ki67), apoptosis and its related p53/p21 immunological staining and H-E staining. Results: For biopsy specimens collected before the start of CRT, a significant increase in TRR was observed in p21 positive pts (p = 0.04), but no factor related to the histological response. For biopsy specimens collected one week after the start of CRT, TRR were 50±13% for p21 positive pts and 40±14% for negative pts, 51±13% for apoptosis positive pts and 41±14% for negative pts, and 53±11% for pts with moderate effect recognized on H-E staining and 40±14% for pts with mild effects, respectively. The difference between positive and negative pts was significant (p<0.01, p<0.01, and p<0.01, respectively). The percentages of pts with moderate or higher histological effect (TRG 1 and 2) were significantly high in pts who were p21 positive, apoptosis positive, and had a moderate effect on H-E staining (p=0.01, p=0.04, and p<0.01, respectively). In other words, for biopsy specimens taken before the start of CRT, p21 was the only predictive factor, however, for biopsy specimens collected one week after the start of CRT, apoptosis and the effect recognized on H-E staining were also predictive factors in addition to p21. Conclusions: In CRT for rectal cancer, biopsy samples collected one week after the start of therapy increases the number of reliable predictive factors of response. No significant financial relationships to disclose.
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Phase I/II study of twenty-four-hour infusion of irinotecan in combination with oral UFT plus leucovorin for metastatic colorectal cancer. Oncology 2009; 76:338-41. [PMID: 19307740 DOI: 10.1159/000209963] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2008] [Accepted: 12/08/2008] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Irinotecan has, in general, been administered as a 90-min infusion. However, several studies have demonstrated that continuous infusion seems to be a promising method of delivering irinotecan. This phase I/II trial was performed to evaluate the efficacy and safety of continuous infusion of irinotecan combined with UFT plus leucovorin (LV) for metastatic colorectal cancer. METHODS Escalating doses of irinotecan (90-110 mg/m(2)) were administered by 24-hour infusion on day 1. UFT 300 mg/m(2)/day and LV 75 mg/day were administered orally, in 3 divided daily doses, on days 3-7 and 10-14. The treatment cycles were repeated every 2 weeks. RESULTS In the phase I study, the maximum tolerated dose of irinotecan was 110 mg/m(2) and the recommended dose for the phase II study was determined to be 100 mg/m(2). Thirty-six patients, including 3 patients at the recommended dose in the phase I study, were evaluated in the phase II study. The common grade 3/4 toxicities were leucopenia, neutropenia, diarrhea and anorexia. The response rate was 63.9%, and the median progression-free and overall survival times were 8.3 and 24.6 months, respectively. CONCLUSION A 24-hour infusion of irinotecan combined with UFT/LV is feasible and active for metastatic colorectal cancer.
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345 POSTER A novel statistical method for analyzing standard tumor growth curves. EJC Suppl 2007. [DOI: 10.1016/s1359-6349(07)70363-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Beneficial effect of interferon-β treatment in patients with multiple sclerosis is associated with transient increase in serum IL-6 level in response to interferon-β injection. Cytokine 2006; 36:69-74. [PMID: 17161613 DOI: 10.1016/j.cyto.2006.10.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2005] [Revised: 06/11/2006] [Accepted: 10/26/2006] [Indexed: 02/04/2023]
Abstract
In order to predict the clinical benefit of interferon-beta (IFN-beta) to patients with multiple sclerosis (MS), the following markers were investigated; (1) chronological change of cytokines (IFN-gamma, TNF-alpha, IL-6, IL-10, and TGF-beta) after administration of IFN-beta, (2) untoward effects of IFN-beta such as headache and arthralgia, (3) backgrounds of the patients such as age and relapse rate, (4) efficacy of IFN-beta therapy assessed by the change of relapse rate and progression of disability. Chronological blood sampling was performed 0, 10, and 24 h after injection of IFN-beta. The increase of serum IL-6 level in response to IFN-beta administration was associated with headache, arthralgia, relapse rate before treatment, and disability score at the initiation of the therapy. Significant association of change of serum TNF-alpha with age and headache was also observed. The important finding in this study was that patients with a transient increase in IL-6 in response to IFN-beta showed a slow disease progression. This result suggests that this transient increase in the serum IL-6 predicts favorable response to IFN-beta treatment.
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Preoperative radio/chemo-radiotherapy in combination with intraoperative radiotherapy for T3-4Nx rectal cancer. Eur J Surg Oncol 2004; 30:750-8. [PMID: 15296989 DOI: 10.1016/j.ejso.2004.04.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2004] [Indexed: 01/15/2023] Open
Abstract
AIMS To analyse the results of a single institution experience of combined preoperative radio/chemo-radiotherapy and intraoperative electron-radiation therapy (IORT) for locally advanced rectal cancer and to compare the results with surgery alone retrospectively. METHODS The study cohort comprised 99 patients with clinical T3-4NxM0 adenocarcinoma of the rectum who had received preoperative radio/chemo-radiotherapy, radical surgery, and IORT [Group I]. Until 1998, 67 patients were treated with radiation only [Group Ia], and after 1999, 32 patients were concurrently given tegafur and uracil (UFT) [Group Ib]. 68 patients with clinical T3-4NxM0 rectal cancer were treated with surgery alone [Group II]. RESULTS The median follow-up was 67 months in Group I and 83 months in Group II. Local recurrence rate was 2% in Group I, which was significantly lower than 16% in Group II (p=0.002) Both disease-free survival and overall survival in Group I were significantly better than those in Group II (p=0.04, p=0.02, respectively). Sphincter preservation was possible in 78% in Group Ib, which was significantly more than 42% in Group Ia (p=0.002). CONCLUSIONS The combined preoperative radio/chemo-radiotherapy and IORT for clinical T3-4Nx rectal cancer significantly reduces local recurrence and improves prognosis. Combination of preoperative radiotherapy and oral UFT improves the feasibility of sphincter-preservation.
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562 Dihydropyrimidine dehydrogenase (DPD) activity in peripheral mononuclear cells (PMNC-DPD) during long-term treatment with oral uracll/tegafur (UFT) as postoperative adjuvant chemotherapy for colorectal cancer (CRC). EJC Suppl 2003. [DOI: 10.1016/s1359-6349(03)90594-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Abstract
A colonoscopic examination of a 58-year-old man revealed a small elevated lesion inside the orifice of the appendix. Using a polypectomy snare, a nodular polypoid lesion with a diameter of ca. 20 mm was removed from the lumen of the appendix. Histopathology showed that it was a well-differentiated adenocarcinoma. This is the first report of an intramucosal adenocarcinoma of the appendix diagnosed preoperatively; laparoscopy-assisted colectomy with a D2 lymph-node dissection was carried out. Endoscopists should consider an appendiceal tumor when an erosion, elevation, or deformity is seen in the head of the cecum.
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538 Preclinical studies on the combined effect of radiation and S-1: a new oral formulation of 5-fluorouracil on human colon cancer. EJC Suppl 2003. [DOI: 10.1016/s1359-6349(03)90570-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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37
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250 Preoperative chemotherapy in combination with intraoperative radiotherapy for T3–4Nx rectal cancer. EJC Suppl 2003. [DOI: 10.1016/s1359-6349(03)90283-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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38
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A case of duodenal involvement of multiple myeloma imaged by positron emission tomography with 18F-fluorodeoxyglucose. THE TOKAI JOURNAL OF EXPERIMENTAL AND CLINICAL MEDICINE 2001; 26:147-51. [PMID: 12030445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
A 61-year-old woman had been treated for multiple myeloma for 4 years when she developed abdominal pain. Ultrasonography and computed tomography revealed a tumor in the abdomen. Positron emission tomography (PET) with 18F-fluorodeoxyglucose (FDG) showed increased FDG uptake in the tumor. In previous bone marrow lesions, which were in clinical remission after chemotherapy and radiotherapy, abnormal FDG uptake was not recognized. Pathological examination after surgery revealed the tumor to be a plasmacytoma of the duodenum. Plasmacytoma of the duodenum is rare but can be seen during the clinical course of multiple myeloma. A few reports have described FDG PET findings of plasmacytoma. Those previous reports and our present case suggest a potential value of FDG PET in the evaluation of multiple myeloma.
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Abstract
PURPOSE Intraoperative radiotherapy has been used for local control of locally advanced rectal cancer. The aim of this study was to investigate the efficacy of intraoperative radiotherapy for curatively resected rectal cancer. METHODS Between 1982 and 1998, intraoperative radiotherapy was administered in combination with curative resection in 78 patients with adenocarcinoma of the middle or lower third of the rectum (intraoperative radiotherapy group). Sixty-two of the patients had received preoperative radiotherapy with 20 Gy. Intraoperative radiotherapy was performed by a new strategy in which an electron beam was administered as uniformly as possible to the entire dissected surface of the pelvis. Retrospective comparisons were made with 248 patients treated by surgery alone during the same period (non-intraoperative radiotherapy group). RESULTS The differences in tumor stage or surgical procedures between the two groups were not statistically significant. Survival, disease-free survival, and local recurrence-free survival in the intraoperative radiotherapy group were significantly more favorable than in the non-intraoperative radiotherapy group (P = 0.01, P = 0.04, and P = 0.02). Differences in survival were observed in Stage II patients but not in Stage I or Stage III patients. The local failure rate was 2.6 percent in the intraoperative radiotherapy group and 11.3 percent in the non-intraoperative radiotherapy group, and the difference was significant (P = 0.02). The distant metastasis rate was 18.0 percent in the intraoperative radiotherapy group and 19.5 percent in the non-intraoperative radiotherapy group, and the difference was not significant. There was a significantly higher rate of wound infection in the intraoperative radiotherapy group, but no infections were serious. CONCLUSIONS In patients with adenocarcinoma of the middle or lower third of the rectum, intraoperative radiotherapy to the entire dissected surface of the pelvis reduced local recurrence in Stage II and Stage III patients and improved survival in Stage II patients.
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Leptomeningeal signet-ring cell carcinomatosis presenting with ophthalmoplegia, areflexia and ataxia. Clin Neuropathol 2001; 20:272-5. [PMID: 11758783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
We report a very rare case of occult leptomeningeal carcinomatosis (LC) in whom repeated cytological examination did not show malignant cells in cerebrospinal fluid (CSF) and the primary focus was not discovered by extensive survey. The patient presented with ophthalmoplegia, ataxia and areflexia mimicking Miller Fisher syndrome (MFS) at the initial stage, and later, the clinical profile and laboratory findings including CSF examination simulated tuberculous meningitis. Postmortem autopsy disclosed metastatic signet-ring cell carcinoma infiltrating into cranial nerves and leptomeninges. We would like to emphasize that LC sometimes shows symptoms and signs similar to MFS or tuberculous meningitis.
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[Combination chemotherapy of doxifluridine plus mitomycin C for colorectal lung metastasis--phase II study]. Gan To Kagaku Ryoho 2001; 28:1263-8. [PMID: 11579637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
PURPOSE We conducted a multi-center study to investigate the usefulness of a combination drug therapy with doxifluridine (5'-DFUR) and mitomycin C (MMC) in colorectal cancer patients with lung metastasis. PATIENT AND METHODS Subjects were advanced/recurrent colorectal cancer patients with lung metastasis, who underwent concomitant drug administration with 533 mg/m2/day of 5'-DFUR orally and 4 mg/m2/day of MMC every 2 weeks intravenously. RESULTS Of 84 patients registered, 54 patients who were evaluable for tumor response showed results such as: complete response, one; partial response, 4; no change, 30; and progressive disease, 19, corresponding to a response rate of 9.3%. The median survival period of 54 patients was long at 473 days. The median administration days of 5'-DFUR was 201.5 days and the median number of MMC administrations was 14, indicating a long administration period of the combined therapy. The incidence of adverse drug reactions (ADRs) was 37.2% which included thrombocytopenia, 16.7%, and leukocytopenia, 11.5%; only a few ADRs were grade 3 or over. CONCLUSIONS While combined therapy with 5'-DFUR and MMC resulted in a low response rate, the regimen suggested a survival effect in the patients.
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Detection of tumor cells in the portal and peripheral blood of patients with colorectal carcinoma using competitive reverse transcriptase-polymerase chain reaction. Cancer 2001; 92:1251-8. [PMID: 11571740 DOI: 10.1002/1097-0142(20010901)92:5<1251::aid-cncr1445>3.0.co;2-o] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND In spite of many reports, it remains unclear whether the presence of tumor cells in circulating blood flow predicts a poor prognosis. METHODS Competitive seminested reverse transcriptase-polymerase chain reaction (RT-PCR), a technique for the quantitative detection of tumor cells, was applied to detect the presence of tumor cells in portal and peripheral blood samples from 121 patients with colorectal carcinoma and to clarify their clinical significance. This technique can detect one carcinoembryonic antigen (CEA) mRNA-expressing tumor cell in 1 x 10(5) normal lymphocytes. RESULTS Six of 33 healthy volunteers (18%) demonstrated a positive reaction to this technique. CEA mRNA expression was detected in the portal blood in 51% of patients and in the peripheral blood in 42% of patients. The results from the two blood samples were consistent in 91% of patients. The positive expression rates for portal blood in patients with T1 tumors and those with TNM Stage I disease were 38% and 45%, respectively. The positive rate was significantly higher in patients with colon carcinoma and those with Stage III or IV disease. CEA mRNA expression, quantitatively measured (x 10(-8)/beta-actin), was 22.9 +/- 35.1 in the portal blood and 19.9 +/- 40.0 in the peripheral blood, with no statistically significant difference. A significant positive correlation was noted between portal and peripheral CEA mRNA expression levels according to Spearman correlation analysis (correlation coefficient = 0.78; P < 0.01). Multivariate analysis revealed that the positive rate and level of CEA mRNA expression in the portal and peripheral blood did not appear to be influenced by the established prognostic factors. CONCLUSIONS The presence of circulating tumor cells might be of less value as a prognostic factor because they also can be detected in patients with early-stage colorectal carcinoma and appeared to be independent of the conventional prognostic factors.
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Radiosensitization effect by combination with paclitaxel in vivo, including the effect on intratumor quiescent cells. Int J Radiat Oncol Biol Phys 2001; 50:1063-72. [PMID: 11429234 DOI: 10.1016/s0360-3016(01)01553-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
PURPOSE To evaluate the radiosensitization effect on solid tumors upon combination treatment with paclitaxel (TXL), including the effect on intratumor quiescent (Q) cells. METHODS AND MATERIALS Mice bearing SCC VII or EL4 solid tumors received 5-bromo-2'-deoxyuridine (BrdU) continuously for 5 days to label all proliferating (P) cells. The mice then received gamma-irradiation with or without tirapazamine (TPZ) at various time points after TXL administration. Another group of mice received a series of test doses of gamma-rays while alive or after tumor clamping to obtain hypoxic fractions (HFs) in the tumors at various time points after TXL administration. Immediately after irradiation, the tumor cells were isolated and incubated with a cytokinesis blocker. The micronucleus (MN) frequency in cells without BrdU labeling (Q cells) was determined using immunofluorescence staining for BrdU. Meanwhile, 6 h after irradiation, the tumor cells were isolated from the solid tumors in another group of mice, and the apoptosis frequency in Q cells was also determined with immunofluorescence staining for BrdU. The MN and apoptosis frequency in total (P + Q) tumor cells were determined from the tumors that were not pretreated with BrdU. For the measurement of the HFs, the MN or apoptosis frequency of Q cells was then used to calculate the surviving fraction of Q cells from the regression line for the relationship between the MN or apoptosis frequency and the surviving fraction of total tumor cells. RESULTS In both SCC VII and EL4 tumors, maximum values of mitotic index (MI) and apoptosis frequency were observed 9 and 24 h after TXL administration, respectively. However, on the whole, the apoptosis frequency for SCC VII was very low. gamma-Irradiation 9 h after TXL administration induced significant radiosensitization effects on the total cells of both tumors. Irradiation at 60 h had a more significant effect on total cells of EL4 tumor, but no significant effect on total cells of SCC VII tumor. Combined treatment with TXL induced no radiosensitization effect on Q cells in either tumor. The effect on Q cells was observed only after TPZ was administered. The HF of total cells in EL4 tumors decreased significantly 60 h after TXL administration. CONCLUSION No radiosensitization effect upon combination treatment with TXL is induced in Q tumor cells. However, the effect on P cells is produced by irradiation at the time when the maximum values of MI are induced following TXL administration. In addition, for tumors that are susceptible to apoptosis after TXL administration alone, irradiation at the time of sufficient reoxygenation in tumors after TXL administration produces a greater radioenhancement effect on P cells.
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Abstract
Doxifluridine (5'-DFUR), an active intermediate metabolite of capecitabine, is converted to 5-fluorouracil by thymidine phosphorylase (TP). We used immunohistochemical staining to investigate the relation between TP expression and 5'-DFUR effects in 40 patients with advanced/recurrent lung metastases from colorectal cancer. Cox regression analysis suggested that TP-positive cancer cells (risk ratio 3.72), were independent factors in survival whereas factors in progression-free survival were TP-positive cancer cells (2.93), and TP-positive stromal cells (0.24). It is suggested that TP expression in cancer cells and in stromal cells are opposite prognostic factors in patients treated with 5'-DFUR.
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[Optimal lymph node dissection for colorectal cancer]. NIHON GEKA GAKKAI ZASSHI 2001; 102:497-500. [PMID: 11436514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Previous studies on the distribution of positive lymph nodes have revealed that the colon should be resected 10 cm from the tumor on both sides and that the intermediate nodes along the main vessel should be dissected in patients with colon cancer. In rectal cancer, superior lymphatic spread along the inferior mesenteric artery (IMA) is the main metastatic route. The IMA should be dissected immediately after the bifurcation of the left colic artery, and the intermediate lymph nodes should be removed. The positive rate of the lateral lymph nodes is about 10%. The rate of local failure is high and the prognosis is poor in patients with positive lateral lymph nodes, even if the lateral lymph nodes have been dissected. However, it has been reported that lateral lymph node dissection combined with excision of the internal iliac vessels results in good disease-free survival in patients with positive lateral nodes. Therefore the indications for lateral node dissection remain controversial. Lymphatic spread into the mesorectum on the anal side has been shown to be an important factor in local failure. The mesorectum should be resected for up to 4 or 5 cm from the inferior tumor margin in middle rectal cancer, and the entire mesorectum should be removed in lower rectal cancer. Nerve tissue preserved in pelvic autonomic nerve-preserving surgery contains a small amount of lymphoid tissue and lymph nodes. Therefore the extent of lymph node dissection and the area of autonomic nerves to be preserved based on tumor site or tumor penetration remain controversial.
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A pharmacological study of the weekday-on/weekend-off oral UFT schedule in colorectal cancer patients. Cancer Chemother Pharmacol 2001; 47:457-60. [PMID: 11391863 DOI: 10.1007/s002800000243] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
PURPOSE The new weekday-on/weekend-off schedule for oral UFT administration consists of its administration for 5 consecutive days followed by 2 days off the drug. The intratumor 5-FU (5-fluorouracil) concentration has been reported to be correlated to the tumor response in patients treated with intravenous 5-FU. The aim of this study was to investigate the pharmacokinetics during the 2 days off the drug in cancer patients treated with the weekday-on/weekend-off schedule for oral UFT. METHODS The subjects were 24 colorectal cancer patients. They were divided into three groups, and were all given UFT, 600 mg/day, for 5 days before surgery. Surgery was performed 2, 24, or 48 h after the final dose of UFT. The 5-FU concentrations in the serum, tumor, and in the normal mucosa were measured. RESULTS The serum 5-FU concentrations after the final dose of UFT were: 23 +/- 12 ng/ml (mean +/- SD) at 2 h, 7 +/- 3 ng/ml at 24 h, and 6 +/- 3 ng/ml at 48 h. The intratumor 5-FU concentrations were: 113 +/- 45 ng/g at 2 h, 54 +/- 20 ng/ml at 24 h, and 54 +/- 35 ng/ml at 48 h, and the concentrations in the normal mucosa were: 36 +/- 15 ng/g (mean +/- SD) at 2 h, 17 +/- 6 ng/ml at 24 h, and 18 +/- 6 ng/ml at 48 h after the final dose. While the serum 5-FU concentration decreased to very low levels by 24 h after the final dose of UFT, the intratumor 5-FU concentrations were maintained at more than 50 ng/g at least until 48 h after the final dose. The 5-FU concentrations in the normal mucosa were maintained at about one third of the intratumor concentrations at all time points. CONCLUSION Although the weekday-on/weekend-off schedule for UFT administration included intermittent 2-day drug-off periods, this pharmacokinetic study revealed that the 5-FU concentrations in the tumor were maintained at much higher levels than in the serum throughout these periods.
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47
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Overcoming mutant p53 with hypoxic cell radiosensitizer, PR-350. Eur J Cancer 2001. [DOI: 10.1016/s0959-8049(01)81231-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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[Optimal dosage of UFT in a weekday-on/weekend-off schedule as a postoperative adjuvant chemotherapy for colorectal cancer]. Gan To Kagaku Ryoho 2000; 27:2223-30. [PMID: 11142166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
In evaluations of adjuvant chemotherapy with oral anticancer agents, compliance in taking the drug as prescribed (compliance), adverse reactions, and feasibility are important factors in setting the dose. A weekday-on/weekend-off schedule, in which 600 mg/day of UFT was taken for 5 consecutive days and not taken on the following 2 days, was carried out as a postoperative adjuvant chemotherapy for one year in 87 patients with colorectal cancer who had undergone potentially curative resection. The prescribed dose and the dose of ingestion confirmed by physician interview were both highly consistent with the dose of ingestion according to the patients' self reports, with consistency rates of more than 94% for both. Relative performance (RP) yielded a value of 0.72, and individual dose intensity (IDI) yielded 0.8 on average. Female gender, low body weight, and low body surface area were factors that negatively affected feasibility. None of the adverse reactions was serious. Based on the feasibility and adverse reactions, the dosage of UFT should be set according to the body surface area at 375-425 mg/m2/day. When this schedule is used as one arm of a controlled study, it is suggested that the dose should be decided with 400 mg/m2 as a guideline.
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Prevention of hepatic artery occlusion during continuous infusion of fluorouracil using liposteroid. AJR Am J Roentgenol 2000; 175:1641-2. [PMID: 11090394 DOI: 10.2214/ajr.175.6.1751641] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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50
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Long-term survival after immunochemotherapy for juvenile colon cancer with peritoneal dissemination: a case report. Oncol Rep 2000; 7:1343-7. [PMID: 11032941 DOI: 10.3892/or.7.6.1343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A 20 year-old man was hospitalized with an abdominal mass and abdominal distension. Investigations resulted in a diagnosis of ileus caused by advanced colon cancer with peritoneal dissemination to the pouch of Douglas. Palliative surgery was performed to relieve bowel obstruction and debulk the tumor. Histopathological examination showed that the tumor was a mucinous adenocarcinoma invading the serosa without lymph node metastasis. Ascites collected during the operation was diagnosed as class V. Administration of PSK (3.0 g/day) and UFT (600 mg/day) as adjuvant immunochemotherapy was started postoperatively to achieve tumor dormancy. He has been followed as an outpatient for 2.5 years with no ascites or abdominal symptoms.
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