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Screening for Ovarian Cancer: What We Know, What We Need to KnowThe majority of women with ovarian cancer present with advanced-stage disease. Women with early-stage ovarian cancer have a much better chance of achieving a cure than do women with late-stage disease. This
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A Newly Discovered Liver Mass in a 65-Year-Old WomanA 65-year-old woman with rheumatoid arthritis and autoimmune hepatitis presented to clinic for evaluation of a liver mass. Six months prior to presentation, workup was initiated for elevated liver enzyme levels.
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COUNTERPOINT: Surgical Management of Lymph Node Basin in Sentinel Lymph Node–Positive MelanomaIronically, the patients who can benefit the most from CLND in terms of regional nodal basin disease control are the patients who are least likely to experience a survival benefit.
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Mantle Cell Lymphoma: Clinicopathologic Features and TreatmentsMantle cell lymphoma (MCL) accounts for approximately 6% of non-Hodgkin’s lymphomas. Patients usually present with advanced disease, with a tendency for extranodal involvement. MCL is an aggressive lymphoma with moderate chemosensitivity, but it remains one of the most difficult therapeutic challenges. Complete response rates to chemotherapy range from 20% to 40%, with median survivals of 2½ to 3 years. Anthracycline-containing regimens do not prolong survival compared with nonanthracycline regimens. Single-agent rituximab (Rituxan) has produced response rates of about 30%, and when combined with an anthracycline-containing regimen, response rates increase to above 90%; however, an impact on survival has not yet been demonstrated. More intensive regimens such as hyperCVAD (hyperfractionated cyclophosphamide [Cytoxan, Neosar], vincristine, doxorubicin [Adriamycin], dexamethasone, methotrexate, cytarabine) with either stem cell transplant or rituximab have been associated with promising results.
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Salvage Therapy for Ovarian CancerAs Drs. Sabbatini and Spriggs point out in their review, the majority of ovarian cancer patients continue to present with advanced-stage disease, and only a minority are cured after primary surgery and chemotherapy. At present, recurrent disease is best viewed as a chronic illness that requires ongoing management. A number of therapeutic options are available, but opportunities for cure remain limited. My comments will focus on post-remission therapy, small-volume residual disease, intraperitoneal therapy, secondary cytoreductive surgery, choice of second-line chemotherapy, and participation in phase II studies.
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Leveraging Surgical Oncology to Treat Gastrointestinal Cancers“The pendulum is moving fast towards giving chemotherapy prior to surgery, and the research is going on to continue that trend.”
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Commentary (Danso, Seidman): Trastuzumab in Breast CancerThe clinical development of trastuzumab(Herceptin) for thetreatment of HER2-overexpressingbreast cancer has been perhapsthe most important recentadvance in the management of metastaticbreast cancer. In their rigorousand comprehensive review, Emensand Davidson highlight the importanttrials that resulted in the US Food andDrug Administration (FDA) approvalof trastuzumab, discuss combinationchemotherapy options with trastuzumab,and preview promising futurestrategies for combining trastuzumabwith other targeted biologic agents.
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Where Expert Opinion Meets Public ResistanceThere is concern and growing evidence that the supply of medical oncologists in the United States will be insufficient to meet the needs of future patients. With an aging population and increasing complexity of cancer therapies, it is clear there will be more patients and that they will live longer and require expert care. It is equally clear that the number of specialists trained in cancer medicine is not growing fast enough to meet projected needs, so new models of care will need to be designed and implemented. Innovation in practice models will require the integration of non-physician practitioners (nurse practitioners and physician assistants) into multidisciplinary teams, broader use of technology to allow virtual consultations and the secure exchange of vital health information, increased utilization of community services, and public acceptance.
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Oncocytic Neoplasm on Renal Mass Biopsy: A Diagnostic ConundrumA 56-year-old man presented with a 4.5-cm leftsided renal mass incidentally discovered on an ultrasound performed for workup of lupus nephritis. On dedicated contrast-enhanced magnetic resonance imaging (MRI), the tumor was found to be avidly enhancing.
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Does Evidence-Based Medicine Really Reduce Costs?Emerging as one of the many pieces to the puzzle is the adoption of pathways based on evidence-based medicine (EBM). It has long been theorized that the use of standardized care models not only improves the quality of care, but also reduces costs and makes costs more predictable.
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An Odd But Synergistic Couple: Immunotherapy Combined With RadiotherapyRadiation therapy (RT) and immunotherapy of cancer both date back more than 100 years, and yet, because radiation was often considered immunosuppressive, there had been little enthusiasm for combining them until recently. Immunotherapy has an established role in the treatment of some cancers-superficial bladder cancer treated with bacillus Calmette-Guérin (BCG), renal cell carcinoma and melanoma treated with interferon and interluekin (IL)-2 (Proleukin), and breast cancer and lymphoma treated with monoclonal antibodies such as trastuzumab (Herceptin) and rituximab (Rituxan), which partly function through antibody-dependent cellular cytotoxicity.
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Commentary (Papagikos/Lee): Permanent Prostate BrachytherapyPermanent prostate brachytherapy with or without supplemental therapies is a highly effective treatment for clinically localized prostate cancer, with biochemical outcomes and morbidity profiles comparing favorably with competing local modalities. However, the absence of prospective randomized brachytherapy trials evaluating the role of supplemental external-beam radiation therapy (XRT) has precluded the development of evidence-based treatment algorithms for the appropriate inclusion of such treatment. Some groups advocate supplemental XRT for all patients, but the usefulness of this technology remains largely unproven and has been questioned by recent reports of favorable biochemical outcomes following brachytherapy used alone in patients at higher risk. Given that brachytherapy can be used at high intraprostatic doses and can obtain generous periprostatic treatment margins, the use of supplemental XRT may be relegated to patients with a high risk of seminal vesicle and/or pelvic lymph node involvement. Although morbidity following brachytherapy has been acceptable, supplemental XRT has shown an adverse impact on long-term quality of life. The completion of ongoing prospective randomized trials will help define the role of XRT as a supplement to permanent prostate brachytherapy.
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The Role, Timing, and Clinical Use of ADT in Prostate CancerThe role, timing, and clinical use of androgen deprivation therapy (ADT) in prostate cancer remain a controversial topic for clinicians. Drs. Fang, Merrick, and Wallner provide a compelling review of the clinical benefits and side effects of ADT in high-risk prostate cancer. The number of patients presenting with advanced disease remains significant despite the stage migration of prostate cancer during the PSA (prostate-specific antigen) era.
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Combination Controversies: Checkpoint Inhibition Alone or in Combination for the Treatment of Melanoma?In this review, we highlight prospective data on checkpoint inhibition alone and in combination, discuss data regarding the efficacy and toxicity of combination therapy, and identify clinical scenarios that may favor treatment with combination therapy.
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Treatment of Multiple Myeloma: Finding the Right CombinationIn the past, multiple myeloma was a disease with grim prospects for survival, and few therapeutic options. Today we have a multitude of options, and the armamentarium will continue to expand.
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Progress and Prospects in Vaccine Therapy for Gynecologic CancersTherapeutic and prophylactic vaccines that harness the potential of the immune system against a number of gynecologic cancers are now being developed. The therapeutic vaccines coerce the cellular components of the
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Social Media for OncologistsIn this interview we discuss the dissemination of research results, clinical trials, and other oncology news using social media, as well as what type of media oncologists use, and how useful and relevant this type of information is for most oncologists.
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The Current Clinical Value of the DCIS ScoreThe DCIS Score provides clinically relevant information about personal risk that can guide patient discussions and facilitate shared decision making.
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Pegylated Liposomal Doxorubicin: Antitumor Activity in Epithelial Ovarian Cancer or Cancers of Peritoneal OriginAfter pegylated liposomal doxorubicin (PEG-LD) (Doxil) was shown to be active in ovarian tumors, several trials were developed at the University of Southern California to determine its safety and efficacy in a variety of gynecologic and peritoneal malignancies. Completed phase I and phase II trials have found PEG-LD to be safe and effective in the treatment of platinum- and paclitaxel-refractory epithelial ovarian carcinoma. A new phase II trial is currently underway in similarly refractory patients with ovarian and other related cancers and various degrees of pretreatment. In addition, the efficacy of PEG-LD is being explored in combination with paclitaxel (Taxol), with cisplatin, and with hyperthermia. [ONCOLOGY 11(Suppl 11):38-44, 1997]
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Atezolizumab/Bevacizumab in Metastatic RCC Moves to Phase III TrialThis video reviews second-line data from the IMmotion150 trial, which initially studied atezolizumab with or without bevacizumab vs sunitinib in untreated metastatic renal cell carcinoma patients.
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Commentary (Sarr/Farnell): Combined-Modality Treatment for Operable Pancreatic AdenocarcinomaPisters and colleagues from theM. D. Anderson Cancer Centeroffer a state-of-the-art discussionof the staging and treatment ofpancreatic cancer. Their treatise addressesmost of the current issues ofcontroversy surrounding this diseasefrom a largely nonparochial standpoint,and should serve as a primerfor the multidisciplinary approach tothe treatment of pancreatic ductal cancer.Their call for and justification ofregionalization of treatment in patientswith potentially resectable diseaserings true with virtually all nationaland international studies that have examinedthis topic from the aspect ofmorbidity, mortality (and thus survival),duration of hospitalization, andof course in our current economic climate,cost.[1-7] This topic should nolonger be considered controversial.
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Further Considerations About Lymphoblastic LymphomaLymphoblastic lymphoma (LBL) is a rare disease, most commonly of T-cell origin, that shares biologic features with acute lymphoblastic leukemia (ALL). Indeed, LBL and ALL are considered a single entity (lymphoblastic leukemia/lymphoma, T and B types) in the World Health Organization (WHO) classification of precursor lymphoid neoplasms.
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Historical and Cultural Determinants in the Evolution of Adjuvant Endocrine TherapyThe direction of research into adjuvant systemic therapy for breast cancer has been determined in large part by historical and cultural differences between Europe and the United States
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PARP Inhibitors and the Challenges of Developing Ovarian Cancer TherapeuticsCancer Network interviews two prominent ovarian cancer researchers from both sides of the Atlantic on the role of PARP inhibitors and the challenges of developing ovarian cancer therapies.
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Management of Lymph Node–Positive Prostate Cancer: The Role of Surgery and Radiation TherapyCurrent evidence for the management of lymph node–positive prostate cancer suggests both a disease-control and survival benefit to systemic ADT plus surgery and radiation.
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Prophylaxis Against Fungal Infections and Cytomegalovirus Disease After Bone Marrow TransplantationAmong the serious complications associated with bone marrow transplantation are invasive fungal infections caused by organisms such as Candida and Aspergillus species and end-organ disease caused by
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New Therapeutic Options for Chronic Lymphocytic LeukemiaFor decades, initial therapy for chronic lymphocytic leukemia (CLL) consisted of alkylators such as chlorambucil (Leukeran). The introduction of nucleoside analogs such as fludarabine and monoclonal antibodies such as rituximab (Rituxan) markedly changed the initial therapy of CLL, particularly in the United States. Fludarabine and combination regimens such as fludarabine/cyclophosphamide (FC) have achieved higher complete response (CR) rates and progression-free survival (PFS) than chlorambucil in previously untreated CLL, but long-term overall survival has not improved, due to concurrent improvement in salvage therapy of relapsed CLL patients. Upfront chemoimmunotherapy regimens such as fludarabine/rituximab (FR) and fludarabine/cyclophosphamide/rituximab (FCR) have similarly improved CR rates and PFS in previously untreated CLL patients, but it is unclear whether overall survival is improved. Advances in cytogenetic analysis and other biologic prognostic factors have greatly enhanced clinicians' ability to risk-stratify newly diagnosed CLL patients, and knowledge of such prognostic factors is necessary to properly interpret results of clinical treatment studies. The choice of initial therapy for an individual patient should depend upon the patient's age and medical condition, cytogenetic and other prognostic factors, and whether the goal of therapy is maximization of CR and PFS or palliation of symptoms with minimal toxicity.
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Topotecan in Combination With Cisplatin for the Treatment of Stage IVB, Recurrent, or Persistent Cervical CancerTopotecan, a camptothecin analog previously approved for the treatment of ovarian cancer and small-cell lung cancer, was granted regular approval by the US Food and Drug Administration (FDA) on June 14, 2006, for use in combination with cisplatin to treat women with stage IVB, recurrent, or persistent carcinoma of the cervix not amenable to curative treatment with surgery and/or radiation therapy. The purpose of this summary is to review the database supporting this approval.
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What Evidence Supports Use of Erythropoietin as a Novel Neurotherapeutic?In its hormonal role, erythropoietin is produced by the kidney in response to hypoxic stress and signals the bone marrow to increase the number of circulating erythrocytes. It has become clear in recent years, however, that erythropoietin and its receptor are members of a cytokine superfamily that mediates diverse functions in nonhematopoietic tissues. Nonhormonal erythropoietin actions include a critical role in the development, maintenance, protection, and repair of the central nervous system (CNS).
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Adjuvant Therapy for Pancreatic Cancer: No 'Definite' StandardDespite attempted curative resection of localized adenocarcinoma of the pancreas, most patients experience a recurrence and die of their disease. The Gastrointestinal Tumor Study Group, European Organisation for Research and Treatment of Cancer, and European Study Group for Pancreatic Cancer trials have suggested the benefit of adjuvant therapy. However, the relatively few randomized trials available have not established a definite standard of care due to study limitations. Although these trials, and the recently published Charité Onkologie (CONKO)-001 trial, have shown a definite advantage of adjuvant chemotherapy, the most effective chemotherapy and the role of radiation therapy remain unclear. This review will discuss the data available from reported trials of adjuvant and neoadjuvant therapy in pancreatic cancer, address the issues leading to the ongoing controversies, and consider future directions for clinical trials.
