Publications by authors named "Flex D"

Article Synopsis
  • The study examined the effectiveness of topical treatments for managing the rash caused by epidermal growth factor receptor inhibitors (EGFRIs) in cancer patients, which occurs in 60-85% of cases.
  • In a randomized trial, patients received either a combination ointment (chloramphenicol and prednisolone), chloramphenicol alone, or aqua cream to see how they influenced rash severity.
  • Results showed that the combination ointment significantly reduced the incidence of a specific type of significant rash compared to the aqua cream, suggesting it is a better prophylactic treatment.
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The original article [1] contained an error whereby all authors' names were mistakenly inverted. This error has now been corrected.

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Introduction: Advanced non-small cell lung cancer (NSCLC) is still a therapeutic challenge as the 5-year survival is under 30%. The optimal treatment regimen is still under debate.

Hypothesis: Neo adjuvant (NA) treatment given pre-pneumonectomy does not increase surgical complexity or peri-OP mortality while it has a potential to increase long term survival.

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Background: Trimodality therapy (chemoradiation followed by surgery) provides a benefit in progression-free survival but not overall survival. We sought to determine if a high dose of radiation could be delivered safely and provide a clinical benefit.

Methods: Consecutive patients with stage IIIA or IIIB non-small-cell lung cancer (NSCLC) treated with concurrent chemoradiotherapy followed by surgery were reviewed with IRB approval.

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Objectives: Nivolumab has recently received regulatory approval as a 2nd-line treatment of non-small cell lung cancer (NSCLC). The data regarding its effectiveness and safety in real life setting is lacking.

Materials And Methods: 260 consecutive patients with advanced NSCLC treated with nivolumab at five Israeli cancer centers between January 2015 and March 2016 were evaluated for overall survival (OS) and toxicity.

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Central nervous system (CNS) metastases occur in 30% of patients with advanced non-small cell lung cancer (NSCLC). Localized treatments targeting CNS metastases result in delays in systemic therapy administration and are associated with neurocognitive impairment. Nivolumab is an immune check-point inhibitor that is approved as a second-line treatment of NSCLC.

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Background: We evaluated 18F-FDG PET/CT in small cell lung cancer (SCLC) staging and assessed metabolic (SUVmax, MTV and TLG) and morphologic (CTvol) variables as predictors for overall survival (OS) and progression-free survival (PFS).

Methods: Patients with newly diagnosed, histopathology-confirmed SCLC, who underwent 18F-FDG PET/CT were evaluated. A Cox proportional hazard model was used to determine the association between the primary tumour SUVmax, MTV, TLG and CTvol with OS and PFS.

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Crizotinib achieves excellent systemic control in anaplastic lymphoma kinase-rearranged (ALK+) non-small cell lung cancer (NSCLC); however, central nervous system (CNS) metastases frequently occur as an early event. Whole brain irradiation, the standard treatment, results in neurocognitive impairment. We present a case series of three ALK+ NSCLC patients with progressing CNS metastases who were treated with pulse-dose crizotinib followed by ceritinib.

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Purpose: Testing tumor samples for the presence of a mutation in the epithelial growth factor receptor (EGFR) gene is recommended for advanced non-squamous non-small cell lung cancer (NSCLC) patients. We aimed to collect data about common practice among Medical Oncologists treating lung cancer patients, regarding EGFR mutation testing in advanced NSCLC patients.

Methods: An internet-based survey was conducted among members of the Israeli Society for Clinical Oncology and Radiotherapy involved in the treatment of lung cancer patients.

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Background: Local recurrence after complete resection (R(0)) occur in approximately 20% of patients with stage I disease and in up to 50% with stage III. This study focuses on early detection of stump recurrence by a routine bronchoscopy.

Methods: Prospective analysis 1 year after surgery between April 2006 and April 2008.

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Background: Endobronchial stents are used to treat symptomatic patients with benign or malignant airway obstructions.

Objectives: To evaluate the safety and outcome of airway stent insertion for the treatment of malignant tracheobronchial narrowing.

Methods: The files of all patients with malignant disease who underwent airway stent insertion in our outpatient clinic from June 1995 to August 2004 were reviewed for background data, type of disease, symptoms, treatment, complications and outcome.

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The aim of this study was to compare reproductive factors, use of oral contraceptives (OC) and hormone replacement therapy (HRT) in consecutive Jewish Ashkenazi breast cancer patients, with and without BRCA1/BRCA2 mutations. Jewish Israeli women with breast cancer (n=385) were genotyped for the three predominant Jewish mutations in BRCA1 and BRCA2, and data on reproductive factors, OC and HRT use, were analyzed using logistic regression analyses. Overall, 28/385 (7.

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Germline mutations in DNA mismatch repair (DNA-MMR) genes, mainly hMlh1 and hMsh2, underlie Hereditary Non-Polyposis Colorectal Cancer (HNPCC). Germline hMSH6 gene mutations have been reported in a small subset of HNPCC families. In the present study, ethnically diverse individuals with HNPCC and HNPCC-like features were genotyped for hMsh6 germline mutations using exon-specific PCR, DGGE, and DNA sequencing.

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Objectives: Two APC germline mutations, E1317Q and I1307K, have been linked to colorectal cancer (CRC) risk. Whereas the I1307K variant is almost exclusively encountered in (Ashkenazi) Jews, E1317Q is not restricted to certain ethnic populations. Data on its contribution to CRC risk in Jewish patients are sparse.

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BAT is an immune-activating monoclonal antibody produced against Daudi cell membranes and selected for stimulating lymphocyte proliferation. The anti-tumor activity of BAT is related to its immunostimulatory properties. Both T and NK cells mediate the anti-tumor activity of BAT.

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While genetic factors clearly play a key role in colorectal cancer (CRC) pathogenesis and in determining its phenotypic features, the precise genes that involved are largely unknown. To gain insight into these genes, consecutive Israeli CRC patients were genotyped using SNPs from within candidate genes: APC, beta-Catenin, K-RAS, DCC, P16, PTEN, RB1, P15, APOE, ERCC2, P53, MTHFR and hMSH2. Genotyping of consecutive, unselected colorectal cancer patients was done mostly by utilizing the MassARRAY technology (Sequenom) and to a lesser extent DGGE, ARMS and direct DNA sequencing.

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Article Synopsis
  • The study investigates the genetic factors contributing to prostate cancer risk, focusing on various candidate genes in 224 Jewish Israeli patients.
  • Findings reveal that the EPHX gene His113 allele is significantly linked to late-onset prostate cancer and higher tumor grades.
  • Results suggest that while the EPHX allele may indicate more advanced disease, further research with a larger, diverse population is necessary to validate these findings.
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Familial colorectal cancer (CRC) is noted in about 15% of incident CRC cases, and at times is hallmarked by an age at diagnosis less than 50 years. Familial adenomatous polyposis (FAP) and hereditary non-polyposis colon cancer (HNPCC) account for about 40% of familial cases. Thus, the majority of familial and early-onset CRC remain genetically elusive.

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The I1307K APC germline mutation is associated with an increased risk to colo-rectal cancer (CRC). Whether and to what extent the phenotype of CRC in mutation carriers differs from sporadic cases, remains unknown. To gain insight into this issue, we analysed 307 unselected Israeli patients with CRC, who were treated in a single medical centre, for harbouring the I1307K mutation.

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The genetic basis for the majority of early onset or non-syndromic "familial" colorectal cancer (CRC) is unknown. Attenuated APC phenotype is characterized by relatively few colonic polyps, early age at onset of colon cancer compared with the general population, and inactivating germline mutations within specific regions of the APC gene. We hypothesized that germline mutations within these APC gene regions, might contribute to early onset or familial CRC susceptibility.

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Inherited predisposition occurs in 5-10% of all gastrointestinal (GI) cancer patients, but with the exception of colorectal cancer (CRC), the genes involved in conferring genetic susceptibility remain largely unknown. Indirect evidence indicates that germline mutations in BRCA2 might be associated with an increased risk for various GI malignancies. A single mutation (6174delT) occurs in the BRCA2 gene in high-risk breast ovarian cancer families of Jewish Ashkenazi origin, in about 1% of the general Ashkenazi population, and rarely in non-Ashkenazi Jews.

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Objective: To assess whether there is a decrease in endometrial thickness following discontinuation of tamoxifen treatment as measured by ultrasound.

Design: Prospective study.

Setting: Department of Obstetrics and Gynaecology, Sapir Medical Centre, Kfar-Saba, Israel.

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Objectives: Recent trials with modern chemotherapy have demonstrated activity in androgen-independent prostate cancer, but all focused on patients with progression following androgen suppression or antiandrogen withdrawal. Limited data are available on the activity of chemotherapy in androgen-independent, hormone-refractory (progressing following adrenal suppression) prostate cancer. We evaluated the activity of estramustine combined with vinblastine in this subset of androgen-independent prostate cancer.

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Objectives: To describe the clinical parameters of low PSA, progressive metastatic androgen-independent prostate cancer.

Methods: From April 1995 to May 1999, we selected 18 patients with clinically progressive androgen-independent prostate cancer and low PSA ( View Article and Find Full Text PDF

The treatment of metastatic urothelial cancer is based on the combination of cisplatin, methotrexate, vinblastine and adriamycin (M-VAC). From November 1994 to May 1997 we treated 25 patients (51 men, 3 women, aged 50-77) with M-VAC. The tumor originated from the urinary bladder in 14 (56%) and the upper urinary tract in 11 (44%).

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