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The Prevention and Treatment of Missing Data in Clinical Trials

2010-12-21 Medical
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Release : 2010-12-21
Genre : Medical
Kind : eBook
Book Rating : 51X/5 ( reviews)

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Book Synopsis The Prevention and Treatment of Missing Data in Clinical Trials by : National Research Council

Download or read book The Prevention and Treatment of Missing Data in Clinical Trials written by National Research Council. This book was released on 2010-12-21. Available in PDF, EPUB and Kindle. Book excerpt: Randomized clinical trials are the primary tool for evaluating new medical interventions. Randomization provides for a fair comparison between treatment and control groups, balancing out, on average, distributions of known and unknown factors among the participants. Unfortunately, these studies often lack a substantial percentage of data. This missing data reduces the benefit provided by the randomization and introduces potential biases in the comparison of the treatment groups. Missing data can arise for a variety of reasons, including the inability or unwillingness of participants to meet appointments for evaluation. And in some studies, some or all of data collection ceases when participants discontinue study treatment. Existing guidelines for the design and conduct of clinical trials, and the analysis of the resulting data, provide only limited advice on how to handle missing data. Thus, approaches to the analysis of data with an appreciable amount of missing values tend to be ad hoc and variable. The Prevention and Treatment of Missing Data in Clinical Trials concludes that a more principled approach to design and analysis in the presence of missing data is both needed and possible. Such an approach needs to focus on two critical elements: (1) careful design and conduct to limit the amount and impact of missing data and (2) analysis that makes full use of information on all randomized participants and is based on careful attention to the assumptions about the nature of the missing data underlying estimates of treatment effects. In addition to the highest priority recommendations, the book offers more detailed recommendations on the conduct of clinical trials and techniques for analysis of trial data.

Pandemic Influenza Preparedness and Response

2009 Medical
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Release : 2009
Genre : Medical
Kind : eBook
Book Rating : 685/5 ( reviews)

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Book Synopsis Pandemic Influenza Preparedness and Response by : World Health Organization

Download or read book Pandemic Influenza Preparedness and Response written by World Health Organization. This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt: This guidance is an update of WHO global influenza preparedness plan: the role of WHO and recommendations for national measures before and during pandemics, published March 2005 (WHO/CDS/CSR/GIP/2005.5).

Phase I Oncology Drug Development

2020-09-16 Medical
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Release : 2020-09-16
Genre : Medical
Kind : eBook
Book Rating : 820/5 ( reviews)

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Book Synopsis Phase I Oncology Drug Development by : Timothy A. Yap

Download or read book Phase I Oncology Drug Development written by Timothy A. Yap. This book was released on 2020-09-16. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed review of how oncology drug development has changed over the past decade, and serves as a comprehensive guide for the practicalities in setting up phase I trials. The book covers strategies to accelerate the development of novel antitumor compounds from the laboratory to clinical trials and beyond through the use of innovative mechanism-of-action pharmacodynamic biomarkers and pharmacokinetic studies. The reader will learn about all aspects of modern phase I trial designs, including the incorporation of precision medicine strategies, and approaches for rational patient allocation to novel anticancer therapies. Circulating biomarkers to assess mechanisms of response and resistance are changing the way we are assessing patient selection and are also covered in this book. The development of the different classes of antitumor agents are discussed, including chemotherapy, molecularly targeted agents, immunotherapies and also radiotherapy. The authors also discuss the lessons that the oncology field has learnt from the development of hematology-oncology drugs and how such strategies can be carried over into therapies for solid tumors. There is a dedicated chapter that covers the specialized statistical approaches necessary for phase I trial designs, including novel Bayesian strategies for dose escalation. This volume is designed to help clinicians better understand phase I clinical trials, but would also be of use to translational researchers (MDs and PhDs), and drug developers from academia and industry interested in cancer drug development. It could also be of use to phase I trial study coordinators, oncology nurses and advanced practice providers. Other health professionals interested in the treatment of cancer will also find this book of great value.

Perioperative Chemotherapy

2012-12-06 Medical
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Release : 2012-12-06
Genre : Medical
Kind : eBook
Book Rating : 323/5 ( reviews)

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Book Synopsis Perioperative Chemotherapy by : U. Metzger

Download or read book Perioperative Chemotherapy written by U. Metzger. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: One reason for failure to cure solid tumors by surgery appears to be the impossibility of controlling metastases that are present but latent at the time of operation. This failure is a common clinical experience with aggressive neoplasms. but it is not always appreciated in tumors with longer survival times. e. g .• breast and colon cancer. In addition. recent evidence indicates that after resection of a primary tumor micrometas tases from it might be enhanced by suppression of immune and reticu loendothelial functions of the host. Other factors, such as increase of coagulability and stress in the perioperative period, can also promote tumor growth. The development of new metastases might be facilitated by cells forced into the circulation during operative manipulations. Such events could be important for the outcome of treatment and it is suggested that preventive measures should be directed to this systemic component of solid tumors. Radical surgery can reduce the number of tumor cells to a subclinical 3 6 stage (10 to 10 cells) in which chemotherapy might be more effective than in advanced stages. Chemotherapy, on the other hand, might aggravate the surgical morbidity by influencing the wound healing pro cess, by decreasing the immune response, and/or by toxicity to the bone marrow and to the gastrointestinal tract, for example.

Phase Three: Marvel's Captain America: Civil War

2017-01-03 Juvenile Fiction
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Release : 2017-01-03
Genre : Juvenile Fiction
Kind : eBook
Book Rating : 099/5 ( reviews)

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Book Synopsis Phase Three: Marvel's Captain America: Civil War by : Alex Irvine

Download or read book Phase Three: Marvel's Captain America: Civil War written by Alex Irvine. This book was released on 2017-01-03. Available in PDF, EPUB and Kindle. Book excerpt: Marvel's Captain America: Civil War pits hero against hero! Captain America and Iron Man lead two teams of heroes in a clash that will change the course of the Marvel Cinematic Universe. Following the record-breaking success of Marvel's Captain America: The Winter Soldier, the First Avenger will jump into his next big screen solo adventure on May 6, 2016 in Marvel's Captain America: Civil War! Inspired by a classic Marvel comics storyline, the third cinematic Captain America adventure will put Cap against his fellow Avenger, Iron Man. Chris Evans will reprise his role as Captain America, joined by Robert Downey Jr. as Iron Man and Chadwick Boseman (42, Get On Up) as the Black Panther, a character who will make his big screen debut in the film.

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