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Expert Opinion on Investigational Drugs

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https://www.readbyqxmd.com/read/29032717/bet-inhibitors-in-metastatic-prostate-cancer-therapeutic-implications-and-rational-drug-combinations
#1
Mark C Markowski, Angelo M De Marzo, Emmanuel S Antonarakis
The bromodomain and extra-terminal (BET) family of proteins are epigenetic readers of acetylated histones regulating a vast network of protein expression across many different cancers. Therapeutic targeting of BET is an attractive area of clinical development for metastatic castration-resistant prostate cancer (mCRPC), particularly due to its putative effect on c-MYC expression and its interaction with the androgen receptor (AR). Areas Covered: We speculate that a combination approach using BET inhibition with other targeted therapies may be required to improve the therapeutic index of BET inhibition in the management of prostate cancer...
October 16, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29027483/cdk4-6-blockade-in-breast-cancer-current-experience-and-future-perspectives
#2
Dimitrios Zardavas, Noam Pondé, Konstantinos Tryfonidis
Dysregulated cellular proliferation, one of the hallmarks of cancer, is mediated by aberrant activation of the cell cycle machinery through the biological effects of cyclin-dependent kinases (CDKs). The clinical development of non-selective CDK inhibitors failed due to combined lack of efficacy and excessive toxicity reported by clinical trials across different cancer types. The clinical development of second generation, CDK4/6-selective inhibitors, namely palbociclib, abemaciclib and ribociclib, led to practice-changing results in the setting of breast cancer...
October 13, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28984489/directing-the-use-of-ddr-kinase-inhibitors-in-cancer-treatment
#3
Inger Brandsma, Emmy D G Fleuren, Chris T Williamson, Christopher J Lord
Introduction Defects in the DNA damage response (DDR) drive the development of cancer by fostering DNA mutation but also provide cancer-specific vulnerabilities that can be exploited therapeutically. The recent approval of three different PARP inhibitors for the treatment of ovarian cancer provides the impetus for further developing targeted inhibitors of many of the kinases involved in the DDR, including inhibitors of ATR, ATM, CHEK1, CHEK2, DNAPK and WEE1. Areas covered We summarise the current stage of development of these novel DDR kinase inhibitors, and describe which predictive biomarkers might be exploited to direct their clinical use...
October 6, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28814118/considerations-for-clinical-trial-design-in-older-adults-with-cancer
#4
Enrique Soto-Perez-De-Celis, Stuart M Lichtman
No abstract text is available yet for this article.
August 23, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28972395/venetoclax-for-the-treatment-of-chronic-lymphocytic-leukemia
#5
Massimo Gentile, Annamaria Petrungaro, Giuseppina Uccello, Ernesto Vigna, Anna Grazia Recchia, Nadia Caruso, Sabrina Bossio, Laura De Stefano, Angela Palummo, Francesca Storino, Massimo Martino, Fortunato Morabito
Venetoclax, an orally bioavailable inhibitor of BCL-2, was approved in 2016 by the United States Food and Drug Administration (FDA) for the treatment of chronic lymphocytic leukemia (CLL) patients with 17p deletion [del(17p)], who have received at least one prior therapy. Areas covered: We focus on the mechanism of action of venetoclax and on the clinical trial data that led to the approval of venetoclax for CLL patients. We also review the studies in which this drug has being explored in combination with other anti-CLL drugs...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28965421/safety-and-efficacy-of-nintedanib-for-the-treatment-of-metastatic-colorectal-cancer
#6
Maria Carmen Riesco-Martinez, Ana Sanchez-Torre, Rocio Garcia-Carbonero
Nintedanib (BIBF 1200) is an oral tyrosine kinase inhibitor that targets the vascular endothelial growth factor (VEGFR), platelet-derived growth factor (PDGFR) and fibroblast growth factor (FGFR) receptors. It is approved in Europe in combination with docetaxel for patients with advanced lung adenocarcinoma who have progressed to first-line chemotherapy. However, its role in the treatment of metastatic colorectal cancer (mCRC) is uncertain. Recent results from the LUME-Colon 1 pivotal phase III trial showed only a marginal increase in progression free survival over placebo in refractory mCRC patients, with a toxicity profile similar to other antiangiogenic agents, and no benefit in overall survival...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28956664/investigational-hiv-integrase-inhibitors-in-phase-i-and-phase-ii-clinical-trials
#7
Yingshan Han, Thibault Mesplède, Mark A Wainberg
To date, three HIV integrase strand transfer inhibitors (INSTIs), i.e. raltegravir, elvitegravir and dolutegravir, have been approved for clinical use. Recent research has focused on new integrase inhibitors including those targeting non-catalytic sites of HIV integrase. Areas covered: This paper reviews two investigational INSTIs in phase I and II clinical trials, bictegravir (BIC) and cabotegravir (CAB), as well as an investigational noncatalytic integrase inhibitor (NCINI) termed BI 224436. Expert opinion: Data from phase I and II clinical trials demonstrate that CAB has good efficacy and is well-tolerated...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28952411/clinical-development-of-mtor-inhibitors-for-renal-cancer
#8
Michele Ghidini, Fausto Petrelli, Antonio Ghidini, Gianluca Tomasello, Jens Claus Hahne, Rodolfo Passalacqua, Sandro Barni
Renal cell carcinoma (RCC) accounts for approximately 3% of adult malignancies and 90-95% of neoplasms arising from the kidney. In the last 10 years, clinical trials have established multitargeted tyrosine kinase inhibitors (TKIs) as the standard first-line treatment in patients with metastatic disease. Multiple agents are now available for treatment in subsequent lines.The mammalian target of rapamycin (mTOR) inhibitors (e.g., everolimus alone or with lenvatinib) are among the most effective options. Areas covered: This paper provides a complete and updated overview on mTOR inhibitors for the treatment of advanced RCC...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28952409/targeting-triple-negative-breast-cancer-with-histone-deacetylase-inhibitors
#9
Palma Fedele, Laura Orlando, Saverio Cinieri
Triple negative breast cancer (TNBC) is a heterogeneous disease characterized by poor outcomes, higher rates of relapse, lack of biomarkers for rational use of targeted treatments and insensitivity to current available treatments. Histone deacetylase inhibitors (HDACis) perform multiple cytotoxic actions and are emerging as promising multifunctional agents in TNBC. Areas covered: This review focuses on the challenges so far addressed in the targeted treatment of TNBC and explores the various mechanisms by which HDACis control cancer cell growth, tumor progression and metastases...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28952384/investigational-drugs-in-phase-i-and-phase-ii-clinical-trials-for-the-treatment-of-community-acquired-pneumonia
#10
Adamantia Liapikou, Catia Cillóniz, Antoni Torres
Community acquired pneumonia is one of the main infections, remaining as a global cause of considerable morbidity and mortality. Successful treatment hinges on expedient delivery of appropriate antibiotic therapy tailored to both the likely pathogens and the severity of disease. Although antibiotic resistance is increasing and pharmaceutical companies continue to debate the profitability of introducing new antibacterial agents, an encouraging number of new molecules have recently been unveiled which target multidrug-resistant bacteria...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28949776/beneficial-effects-of-bile-acid-receptor-agonists-in-pulmonary-disease-models
#11
Paolo Comeglio, Annamaria Morelli, Luciano Adorini, Mario Maggi, Linda Vignozzi
Bile acids act as steroid hormones, controlling lipid, glucose and energy metabolism, as well as inflammation and fibrosis. Their actions are implemented through activation of nuclear (FXR, VDR, PXR) and membrane G protein-coupled (TGR5, S1PR2) receptors. Areas covered: This review discusses the potential of FXR and TGR5 as therapeutic targets in the treatment of pulmonary disorders linked to metabolism and/or inflammation. Obeticholic acid (OCA) is the most clinically advanced bile acid-derived agonist for FXR-mediated anti-inflammatory and anti-fibrotic effects...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28945111/pi3k%C3%AE-selective-and-pi3k%C3%AE-%C3%AE-combinatorial-inhibitors-in-clinical-development-for-b-cell-non-hodgkin-lymphoma
#12
Benjamin L Lampson, Jennifer R Brown
The efficacy of the prototypical phosphatidylinositol-3-kinase (PI3K) inhibitor idelalisib for the treatment of chronic lymphocytic leukemia (CLL) and indolent non-Hodgkin lymphoma (iNHL) has led to development of multiple compounds targeting this pathway. Areas Covered: We review the hypothesized therapeutic mechanisms of PI3K inhibitors, including abrogation of B cell receptor signaling, blockade of microenvironmental pro-survival signals, and enhancement of anti-tumor immunity. We examine toxicities of idelalisib, including bacterial infections (possibly secondary to drug-induced neutropenia), opportunistic infections (possibly attributable to on-target inhibition of T cell function), and organ toxicities such as transaminitis and enterocolitis (possibly autoimmune, secondary to on-target inhibition of p110δ in regulatory T cells)...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28942659/novel-synthetic-drugs-currently-in-clinical-development-for-chronic-lymphocytic-leukemia
#13
Pawel Robak, Tadeusz Robak
Over the last few years, several new synthetic drugs, particularly Bruton's tyrosine kinase (BTK), phosphatidylinositol 3-kinase (PI3K) and BCL-2 inhibitors have been developed and investigated in chronic lymphocytic leukemia (CLL). Areas covered: This review highlights key aspects of BTK, PI3K and BCL-2 inhibitors that are currently at various stages of preclinical and clinical development in CLL. A literature review of the MEDLINE database for articles in English concerning CLL, B-cell receptor, BCL-2 antagonists, BTK inhibitors and PI3K inhibitors, was conducted via PubMed...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28906153/investigational-drugs-in-phase-ii-clinical-trials-for-the-treatment-of-neuroblastoma
#14
Loredana Amoroso, Riccardo Haupt, Alberto Garaventa, Mirco Ponzoni
Neuroblastoma (NB) is an embryonal tumor originating from undifferentiated neural crest cell, highly heterogeneous ranging from spontaneous regression to progression despite multimodal treatments. Approximately, 20% of patients are refractory to frontline therapy and 50% will relapse/progress after an initial response. The overall five year survival for high-risk neuroblastoma ranges from 35-45%. Despite enhanced understanding of NB biology and the addition of myeloablative chemotherapy, isotretinoin and immunotherapy, survival for high risk NB remains less than 50%...
November 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28847168/medical-management-of-chronic-rhinosinusitis-a-review-of-traditional-and-novel-medical-therapies
#15
REVIEW
Joseph S Schwartz, Bobby A Tajudeen, Noam A Cohen
Chronic rhinosinusitis (CRS) is a commonly seen persistent inflammatory disease process affecting the paranasal sinuses with extensively reported economic implications. Despite an elusive pathophysiologic mechanism underlying this disease process, treatment outcomes are encouraging with the employment of an array of medical and surgical therapies. Areas covered: The goal of this paper is to provide a comprehensive, up to date analysis of the literature concerning the medical management of CRS by summarizing the evidence in support of traditional medical therapies for the management of CRS in addition to highlighting novel medical therapies currently under investigation...
October 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28847163/relamorelin-for-the-treatment-of-gastrointestinal-motility-disorders
#16
REVIEW
Victor Chedid, Michael Camilleri
Current treatments for gastroparesis are limited. Chronic idiopathic constipation (CIC) has more treatment options, but none are efficacious for severe cases. Areas covered: Molecular targets to accelerate GI motility are being identified, and relamorelin, a synthetic ghrelin analog, has been promising. In humans, relamorelin increases growth hormone levels and accelerates gastric emptying. Relamorelin was superior to placebo for symptom relief in phase IIA studies for diabetic gastroparesis (DG) and CIC. In phase IIB studies in DG, relamorelin did not significantly reduce vomiting frequency when compared to placebo, but it reduced four symptoms of DG (nausea, fullness, bloating and abdominal pain) and accelerated gastric emptying...
October 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28846045/aldoxorubicin-for-the-treatment-of-soft-tissue-sarcoma
#17
REVIEW
Esha Sachdev, Divesh Sachdev, Monica Mita
Intoduction: Soft tissue sarcomas (STS) encompass a group of rare tumors arising from mesenchymal tissue. Traditionally, anthracycline-based chemotherapy, with doxorubicin, is the main treatment for advanced STS. Areas covered: Aldoxorubicin is a doxorubicin derivative containing a carboxylic hydrazone and serves as a prodrug of doxorubicin. It covalently binds to albumin in the blood until reaching the acidic tumor environment, which dissolves the hydrazone linker, thus releasing doxorubicin into the tissue...
October 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28845710/combination-therapy-with-the-type-ii-anti-cd20-antibody-obinutuzumab
#18
REVIEW
Christian Klein, Marina Bacac, Pablo Umana, Günter Fingerle-Rowson
Obinutuzumab is a novel humanized type II glycoengineered anti-CD20 antibody approved for first-line treatment of chronic lymphocytic leukemia (CLL) in combination with chlorambucil and for treatment of rituximab-refractory follicular lymphoma (FL). Areas covered: We describe current preclinical and clinical evidence supporting the combination of obinutuzumab with not only chemotherapy but also novel targeted therapies for B-cell hematologic malignancies, and its application in chemoimmunotherapy. We also provide an overview of the current clinical trial landscape investigating novel combination therapies based on obinutuzumab...
October 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28838249/filgotinib-for-the-treatment-of-rheumatoid-arthritis
#19
REVIEW
Peter C Taylor, Maha Abdul Azeez, Serafim Kiriakidis
Biologics were the first targeted therapies for rheumatoid arthritis (RA), having in common high clinical efficacy. Being proteins, they are administered parenterally. The first oral targeted small molecules approved for RA are competitive inhibitors of the Janus kinase (JAK) enzyme family which mediate signalling for a cytokine subset important in RA pathogenesis. Areas covered: Several JAK inhibitors have been developed with differing selectivity for the four JAK enzymes with a view to generating oral, multi-cytokine inhibitors...
October 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28836869/renin-angiotensin-system-as-a-potential-target-for-new-therapeutic-approaches-in-parkinson-s-disease
#20
REVIEW
Santiago Perez-Lloret, Matilde Otero-Losada, Jorge E Toblli, Francisco Capani
Currently, available therapies for Parkinson's disease (PD) are symptomatic. Therefore, the search for neuroprotective drugs remains a top priority. Areas covered: In this review, the potential symptomatic or disease-modifying effect of drugs targeting the Renin-Angiotensin System (RAS) in PD will be explored. Expert opinion: The importance of nigrostriatal local RAS has only begun to be unraveled in the last decades. On one hand, there is a complex feedback cycle between RAS and dopamine (DA). On the other hand, RAS affects dopaminergic neurons vulnerability...
October 2017: Expert Opinion on Investigational Drugs
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