Publications by authors named "Mavratzas A"

Aim: Cancer remains a disease with a significant impact on morbidity and mortality but also on quality of life. This prospective randomized pilot study investigated the effects of a sound intervention on physical and emotional well-being in outpatients with cancer.

Methods: Two self-applied sound interventions were used for this purpose, either active "music playing" with a body monochord or passive sound intervention with headphones to listen to a given music compilation.

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Aim: The present exploratory study investigated the diagnostic value of inflammatory markers in patients with breast cancer to predict anti-tumour treatment-related cardiac events.

Methods: Twenty-one patients with breast cancer were enrolled in this prospective observational study and followed over 6 months. Transthoracic echocardiography and measurement of cardiac (N-terminal prohormone of brain natriuretic peptide (NT-proBNP), troponin I (TnI)) and inflammatory biomarkers (vascular adhesion molecule 1 (VCAM-1), soluble suppression of tumorigenesis-2 (sST2), adiponectin) was performed at 3-month intervals (baseline, follow-up, final visit).

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Background/aim: Cardiotoxicity due to antitumor therapy is a dreaded complication and could thus impact the prognosis of patients with breast cancer. This study sought to analyze the occurrence of adverse cardiovascular events and to identify potential risk factors.

Patients And Methods: A total of 136 patients with breast cancer were divided into two groups based on the occurrence of treatment-related cardiovascular toxicity [event 47 (35%) vs.

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Purpose: To investigate the safety, clinical efficacy, virus pharmacokinetics, shedding, and immune response after administration of an oncolytic parvovirus (H-1PV, ParvOryx) to patients with metastatic pancreatic ductal adenocarcinoma (PDAC) refractory to first-line therapy.

Patients And Methods: This is a noncontrolled, single-arm, open-label, dose-escalating, single-center clinical trial. Seven patients with PDAC and at least one liver metastasis were included.

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Purpose: CATCH (Comprehensive Assessment of clinical feaTures and biomarkers to identify patients with advanced or metastatic breast Cancer for marker driven trials in Humans) is a prospective precision oncology program that uses genomics and transcriptomics to guide therapeutic decisions in the clinical management of metastatic breast cancer. Herein, we report our single-center experience and results on the basis of the first 200 enrolled patients of an ongoing trial.

Methods: From June 2017 to March 2019, 200 patients who had either primary metastatic or progressive disease, with any number of previous treatment lines and at least one metastatic site accessible to biopsy, were enrolled.

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Background: CDK4/6 inhibitors have become the standard for first-line treatment of metastatic luminal breast cancer based on consistent data from several phase 3 trials demonstrating clinically meaningful improvement of progression-free as well as overall survival. In addition, they are about to become a part of adjuvant treatment for patients with high-risk luminal disease based on positive results from the first randomized phase 3 trial on abemaciclib. Nevertheless, the majority of patients with advanced or metastatic luminal breast cancer and prospectively a relevant proportion of patients treated in the adjuvant setting will eventually develop resistance to this endocrine based combination within 12-36 months, depending on the line of treatment.

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Article Synopsis
  • The study evaluated the impact of a 15-minute sound intervention on cardiovascular parameters in cancer patients compared to a rest period.
  • Cardiovascular metrics such as heart rate variability (HRV) and aortic pulse wave velocity (PWV) showed significant improvements after the sound intervention, indicating beneficial effects on heart health.
  • While both rest and sound intervention reduced heart rate, only rest showed a significant increase in systolic aortic blood pressure, highlighting differing effects between the two interventions.
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Background: Mobile phone video call applications generally did not undergo testing in randomised controlled clinical trials prior to their implementation in patient care regarding the rate of successful patient visits and impact on the physician-patient relationship.

Methods: The National Center for Tumour Diseases (NCT) MOBILE trial was a monocentric open-label randomised controlled clinical trial of patients with solid tumours undergoing systemic cancer therapy with need of a follow-up visit with their consulting physician at outpatient clinics. 66 patients were 1:1 randomised to receive either a standard in-person follow-up visit at outpatient clinics or a video call via a mobile phone application.

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Since the US FDA approval of everolimus/exemestane in July 2012, and of the first CDK 4/6 inhibitor, palbociclib, combined with endocrine treatment in February 2015, a third class of therapeutic compounds, the PI3K inhibitors, has been introduced to the arsenal of targeted therapies overcoming endocrine resistance in hormone receptor-positive metastatic breast cancer. Alpelisib (PIQRAY) is the first of these novel agents yielding promising clinical results, giving an impetus to further development of tailored endocrine anticancer treatments. Herein, we review its pharmacodynamic and pharmacokinetic properties, safety and efficacy data, as well as Phase III SOLAR-1 trial, prompting FDA approval of alpelisib in hormone receptor-positive metastatic breast cancer harboring mutations.

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Triple-negative breast cancer constitutes ~ 15% of all breast cancer subtypes. Because of the negative hormone receptor and human epidermal growth factor receptor 2 status, therapy is mainly based on chemotherapy with a poor median overall survival in the metastatic setting of ~ 18 months. Compared to other breast cancer subtypes, triple-negative breast cancer is characterized by a higher mutational load, which renders the tumor immunogenic and amenable to immunotherapeutic intervention.

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Since the US FDA-approval of the first immune checkpoint inhibitor, anticytotoxic T-lymphocyte antigen-4 monoclonal antibody ipilimumab, for metastatic melanoma on 28 March 2011, another six agents have been granted use among a multitude of tumors, including renal cell cancer, Hodgkin lymphoma, urothelial carcinoma and non-small-cell lung cancer. The first anti-programmed cell death ligand-1 monoclonal antibody to receive the FDA approval, atezolizumab (Tecentriq), has yielded promising results among international Phase III trials in triple-negative breast cancer and small-cell lung cancer, expanding the field of cancer immunotherapies. Herein, we review the pharmacodynamic and pharmacokinetic properties of atezolizumab, its safety and efficacy data from early clinical trials and summarize data from Phase III IMpassion130 trial, prompting FDA and EMA approval of atezolizumab in metastatic triple-negative breast cancer.

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Background: This multicenter, double-blind phase II study assessed the antitumor activity and toxicity profile of docetaxel with the antiangiogenic multikinase inhibitor sorafenib or matching placebo as a first-line treatment in patients with metastatic or locally advanced HER2-negative breast cancer.

Patients And Methods: Patients were randomized 1:1 to receive docetaxel 100 mg/m on day 1 every 3 weeks in combination with sorafenib 400 mg bid or placebo on days 2-18 of each cycle until tumor progression, or unacceptable toxicity. Sorafenib/placebo could be continued at the investigator's discretion if docetaxel was stopped due to toxicity.

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Background: Sinonasal carcinomas (SNCs) comprise various rare tumor types that are characterized by marked histologic diversity and largely unknown molecular profiles, yet share an overall poor prognosis owing to an aggressive clinical course and frequent late-stage diagnosis. The lack of effective systemic therapies for locally advanced or metastatic SNC poses a major challenge to therapeutic decision making for individual patients. We here aimed to identify actionable genetic alterations in a patient with metastatic SNC whose tumor, despite all diagnostic efforts, could not be assigned to any known SNC category and was refractory to multimodal therapy.

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Antibody-drug conjugates (ADCs) have evolved as a new class of potent cancer therapeutics. We here report on the development of ADCs with specificity for the B-cell lineage specific (surface) antigen CD22 being expressed in the majority of hematological malignancies. As targeting moiety a previously generated humanized anti-CD22 single-chain variable fragment (scFv) derivative from the monoclonal antibody RFB4 was reengineered into a humanized IgG1 antibody format (huRFB4).

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ImmunoRNases represent a highly attractive alternative to conventional immunotoxins for cancer therapy. Quantitative production of immunoRNases in appropriate expression systems, however, remains a major challenge for further clinical development of these novel compounds. Here we describe a method for high-level production and purification of a fully functional immunoRNase fusion protein from supernatants of stably transfected mammalian cells.

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