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Colorectal Cancer: Diagnosis and ManagementIn the United States, cancer of the large bowel is the second most common cause of cancer deaths after cancer of the lung [1]. 1995 estimates place large bowel cancer as the third most common malignancy, behind lung and prostate carcinomas in men and behind lung and breast cancers in women.
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UFT Plus or Minus Calcium Folinate for Metastatic Colorectal Cancer in Older PatientsTwo studies were carried out to determine the activity and evaluate the toxicity of oral chemotherapy with uracil and tegafur in a 4:1 molar ratio (UFT) plus or minus calcium folinate in elderly patients with advanced colorectal
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The UFT/Leucovorin/Etoposide Regimen for the Treatment of Advanced Gastric CancerGastric cancer is the most chemosensitive adenocarcinoma among digestive neoplasms. A few years ago, we performed a phase II trial with the FLEP regimen, in which fluorouracil (5-FU) and leucovorin are combined
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Commentary (Hernandez): Surgical Staging in Endometrial CancerKirby et al are correct in theirstatement that continued controversysurrounds the comprehensivesurgical staging of all patientswith clinical stage I endometrialadenocarcinoma. Such is the case becauselymph node metastasis is foundin only 10% of these patients. Theproportion of patients found to havelymph node metastasis is even loweramong those with grade 1 and 2 tumorswith minimal or no invasion. Ahigh proportion of patients with endometrialadenocarcinoma fall intothis group.
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UFT in Combination as Adjuvant Therapy for Breast CancerBetween 1989 and 1993, 409 evaluable patients with breast cancer have been treated with tegafur and uracil (UFT) in an adjuvant setting in two different trials. Data from both trials were reviewed in December 1995 after a
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UFT in Combination as Adjuvant Therapy for Breast CancerBetween 1989 and 1993, 409 evaluable patients with breast cancer have been treated with tegafur and uracil (UFT) in an adjuvant setting in two different trials. Data from both trials were reviewed in December 1995 after a
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Gemcitabine/Epirubicin/Paclitaxel Trials in Advanced Breast CancerNumerous trials have shown that the pharmacokinetic interferences of epirubicin (Ellence)/paclitaxel (Taxol) combinations produce less pharmacodynamic effect than doxorubicin/paclitaxel regimens. Paclitaxel is more easily
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A Rational Approach to Managing Prostate Cancer in an Irrational TimeThe chairman of the Glickman Urological & Kidney Institute at the Cleveland Clinic provides commentary and an adjacent perspective to the Duke Cancer Institute report.
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Camptothecin and Taxane Regimens for Small-Cell Lung CancerFor more than 2 decades, combination chemotherapy has been the standard treatment for patients with small-cell lung cancer. Despite high initial response rates in both extensive- and limited-stage disease, long-term survival
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Childhood Cancer Survivors: Cured but With Long-Term Health RisksThis evolving issue is increasingly concerning, as studies regarding the causes of non-relapse late mortality in childhood cancer survivors consistently include cardiovascular disease as one of the major contributors to this mortality risk.
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Current Status of Voice Restoration Following Total LaryngectomyTotal laryngectomy is the surgical procedure traditionally used to treat patients with advanced-stage cancer of the larynx. The impairments resulting from removal of such a small organ are, indeed, profound. They include
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An Argument for Aggressive Resection in MelanomaAny minimization of therapy in the name of reducing morbidity requires careful consideration. Reducing morbidity in melanoma is certainly a laudable goal, but locoregional disease control and cure must remain our primary objectives.
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Commentary (Harding/Bow): Infectious Complications of Lung CancerLung cancer is the most commoncause of cancer-relatedmortality in the United Statesand worldwide.[1] In the UnitedStates, lung cancer was responsiblefor an estimated 160,440 deaths in2004. This surpassed the combinedmortality resulting from colorectal,breast, and prostate cancer.
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Emerging Categories of Disease in Advanced Prostate Cancer and Their Therapeutic ImplicationsIn this article, we look at both metastatic hormone-sensitive and metastatic castration-resistant disease, and we highlight several of the emerging categories of advanced prostate cancer that have direct implications for patient management.
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Management of Hepatocellular CarcinomaHepatocellular carcinoma (HCC) is responsible for a significant amount of morbidity and mortality throughout the world. In many countries, including the United States, a definite increase in the incidence of HCC has been
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Commentary (Patnaik/Rowinsky)-Epidermal Growth Factor Receptor Inhibitors for the Treatment of Colorectal Cancer: A Promise Fulfilled?The past decade has given rise toan explosion of rationally designed,molecularly targetedtherapeutic agents. The epidermalgrowth factor receptor (EGFR) hasserved as the principal platform forthe development of such novel targetedtherapies, resulting in a paradigmshift in the treatment of a vast array ofsolid malignancies. Damjanov andMeropol have provided a comprehensiveand insightful overview of the roleof EGFR-directed therapeutics in colorectalcancer. They have chosen tofocus their discussion on the compoundsthat are furthest along in clinicaldevelopment and, hence, havereviewed the monoclonal antibodiescetuximab (Erbitux), ABX-EGF, andEMD 72000, as well as the small-moleculetyrosine kinase inhibitors gefitinib(Iressa) and erlotinib (Tarceva).
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Low-Dose Spiral CT Screening and Evaluation of the Solitary Pulmonary NoduleThe number of lesions detected with low-dose CT, only some of which are early cancers, is so great that algorithms are being developed for more efficient evaluation and management of solitary pulmonary nodules. This article will discuss current tools, approaches, and concerns regarding patient care in this setting.
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Head and Neck TumorsIn 2008, it was estimated that head and neck cancers comprised 2% to 3% of all cancers in the United States and accounted for 1% to 2% of all cancer deaths. This total includes 22,900 cases of oral cavity cancer, 12,250 cases of laryngeal cancer, and 12,410 cases of pharyngeal cancer. Most patients with head and neck cancer have metastatic disease at the time of diagnosis (regional nodal involvement in 43% and distant metastasis in 10%).
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PET Scanning: Worth the Cost in Cancer? Not Only Worth the Cost, but Sometimes a Cost-Cutter!In some cases the added cost of PET imaging is offset by the savings achieved through the avoidance of unnecessary surgery.
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Utility of the 21-Gene Recurrence Score in Node-Positive Breast CancerABSTRACT The 21-gene Recurrence Score (RS) assay has been validated as both a prognostic and predictive tool in node-negative (pN0), estrogen receptor–positive (ER+), HER2-negative (HER2–) breast cancer. A large body of evidence supports the clinical utility of the RS in the node positive (pN+) population as well. Retrospective analyses of archived tissue from multiple clinical trials have found the RS to be prognostic in both endocrine therapy (ET)-treated and chemotherapy-treated patients with pN+ disease. Distribution of RS results in pN+ patients have also been consistent with those of pN0 populations. Data from the SWOG 8814 trial and large population-based registries further support the prognostic and potential predictive value of the RS. Specifically, patients with 1 to 3 positive nodes and RS less than 18 derived negligible benefit from adjuvant chemotherapy in these studies. In the prospective West German Study Group PlanB and ADAPT trials, pN+ patients with RS less than 11 and RS ≤25, respectively, who were treated with ET alone experienced excellent outcomes. Finally, 5-year results of the RxPONDER clinical trial randomizing patients with 1 to 3 positive nodes and RS ≤25 to ET alone vs ET plus chemotherapy confirmed an absence of chemotherapy benefit in postmenopausal patients. Clinical practice guidelines support use of the RS in the pN+, ER+/HER2– population, and many institutions have adopted the RS to guide clinical decision-making, resulting in a net reduction of adjuvant chemotherapy use. This review highlights the existing data supporting the prognostic and predictive ability of the RS in pN+ disease, current practice patterns related to RS use in this population, and emerging applications.
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The Role of Integrins in Colorectal CancerIntegrins have direct effects in stimulating proliferation and preventing apoptosis in cancer cells and mediating proangiogenic interactions between endothelial cells and extracellular matrix. Alterations of expression of various integrins and their receptors have been observed in various cancers in which angiogenesis is known to play a role, including colorectal cancer. Inhibition of specific integrins might thus inhibit both direct effects of integrins on cancer cells and tumor angiogenesis. Inhibitory peptides and anti-integrin monoclonal antibodies are currently being investigated in clinical trials in patients with solid tumors, with early evidence suggesting clinical benefit in disease stabilization with use of an anti-αvβ3 antibody in the settings of colorectal cancer, renal cell carcinoma, and melanoma. Integrin inhibition alone and with other targeted therapeutic approaches should be further investigated in clinical trials in patients with colorectal cancer.
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Prostate Cancer Risk Assessment ProgramProstate cancer is the most common form of cancer (except skin cancer) in men. Several factors have been associated with an increased risk for prostate cancer, including age, ethnicity, family history, lifestyle, and
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The New Generation of Targeted Therapies for Breast CancerTraditional therapies for breast cancer have generally relied uponthe targeting of rapidly proliferating cells by inhibiting DNA replicationor cell division. Although this strategy has been effective, its innate lackof selectivity for tumor cells has resulted in diminishing returns, approachingthe limits of acceptable toxicity. A growing understanding ofthe molecular events that mediate tumor growth and metastases has ledto the development of rationally designed targeted therapeutics thatoffer the dual hope of maximizing efficacy and minimizing toxicity tonormal tissue. Promising strategies include the inhibition of growthfactor receptor and signal transduction pathways, prevention of tumorangiogenesis, modulation of apoptosis, and inhibition of histone deacetylation.This article reviews the development of several novel targetedtherapies that may be efficacious in the treatment of patients with breastcancer and highlights the challenges and opportunities associated withthese agents.
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Commentary (Ligibel/Winer): Adjuvant Hormonal Therapy in Early Breast CancerIn their article entitled “AdjuvantHormonal Therapy in Early BreastCancer,” Kumar and Leonard summarizemuch of the available datafrom trials of hormonal therapy in preandpostmenopausal women. They concludethat the use of aromatase inhibitorshas led to an improvement indisease-free survival in postmenopausalpatients with early-stage breast cancer,but that the optimal timing ofaromatase inhibitor therapy and thelong-term side effects of the drugsremain uncertain. The authors alsohighlight the benefits associated withtamoxifen in premenopausal womenand discuss the unresolved role of ovarianablation in this population.
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New ASCO Guideline on Second-Line Hormone Therapy in Prostate CancerIn this interview we discuss the ASCO provisional clinical opinion on second-line hormonal therapy for chemotherapy-naive castration-resistant prostate cancer.
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Neoadjuvant Chemotherapy for Resectable Non–Small-Cell Lung CancerLung cancer is the most common cancer diagnosed in men and women in the United States, and is the leading cause of cancer death.Over 160,000 individuals died as a result of lung cancer in 2008.[1] This number amounted to more than the number of deaths from colon, breast, and prostate cancers combined. The majority of lung cancer cases are non–small-cell lung cancer (NSCLC), and the poor outcomes are attributed to the high rate of metastases associated with this disease.
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More Questions About Neoadjuvant Chemotherapy in Lung CancerDespite all of its theoretical advantages, the use of induction chemotherapy is still considered experimental in the management of early-stage resectable NSCLC.
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Clinical Management of EGFRI Dermatologic Toxicities: The European PerspectiveDermatologic treatment of epidermal growth factor receptor inhibitor (EGFRI) skin toxicity is supportive and aims at maintaining quality of life while continuing EGFRI therapy. Despite the lack of randomized controlled trials or evidence-based guidelines, most cases of acneiform eruption are well controlled by topical metronidazole and oral minocycline 100 mg qd. For severe reactions, the minocycline dose is doubled and saline compresses are used. For superinfection with Staphylococcus aureus, oral cefuroxime axetil can be added for a short term. Emollients and topical steroids can be administered for skin dryness or eczema. Paronychia is the hardest to treat but antiseptic soaks and a corticosteroid paste can alleviate symptoms to some degree.
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The Role of Irinotecan and Oxaliplatin in the Treatment of Advanced Colorectal CancerColorectal carcinoma is one of the most common malignancies in the western world, and although fluorouracil (5-FU) has been used in its treatment for almost 40 years, new agents with significant activity have been introduced recently. Irinotecan (CPT-11, Camptosar), a topoisomerase I inhibitor, administered at 300 to 350 mg/m2 every 3 weeks is significantly more active than continuous-infusion 5-FU in patients who have experienced disease progression after conventional therapy with 5-FU. In comparison to best supportive care, irinotecan improves survival and preserves quality of life despite treatment-related toxicity. Moreover, the combination of irinotecan and 5-FU has been explored in a number of different schedules. In previously untreated patients, overall response rates are high. Irinotecan can also be combined with mitomycin (mitomycin-C [Mutamycin]), oxaliplatin, or raltitrexed (Tomudex). Oxaliplatin is a new-generation platinum compound that has demonstrated activity against colorectal carcinoma in preclinical trials. It has been evaluated as a single agent against advanced colorectal carcinoma in the salvage setting and also in combination with 5-FU as initial therapy for metastatic disease (where it shows significant activity). The toxicity profile of oxaliplatin (chiefly characterized by neurotoxicity) differs from that of irinotecan (primarily producing diarrhea) and the potential, therefore, exists for combining these agents or for exploiting their possible synergy with 5-FU. The introduction of these two new active agents of different pharmacologic classes promises to enable significant improvements in the treatment of patients with colorectal carcinoma. [ONCOLOGY 15(4):415-434, 2001]
