Cytel

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Case Study: Redesigning a Pragmatic Trial in Oncology

Posted by Cytel

Apr 28, 2017 9:42:44 AM

In this blog we share a case study in which our statistical consulting team helped a client redesign an oncology pragmatic trial to address regulatory agency questions.

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Topics: Oncology, Regulation, biostatistics, real world evidence


Critical Operational Considerations for Interim Analyses

Posted by Cytel

Apr 25, 2017 6:24:00 AM

At a recent conference Adam Hamm, Director Biostatistics at Cytel, presented his thoughts on Best Practices and Operational Considerations for Adaptive Designs and Interim Analyses. In this blog, we share some highlights from his presentation, drawing out some of the key operational priorities from the biostatistician's point of view. 

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Topics: Interim Analyses, Adaptive Clinical Trials, biostatistics, adaptive designs


Trends in Model-Informed Drug Development: Our ASCPT Takeaways

Posted by Cytel

Apr 19, 2017 5:19:08 AM

The ASCPT is the largest scientific and professional organization serving the disciplines of Clinical Pharmacology and Translational Medicine, and its annual conference is one of the most important events on the calendar for those involved in Quantitative Pharmacology and Pharmacometrics (QPP).  Cecilia Fosser, Nand Kishore Rawat and Tina Checchio represented Cytel’s expanding QPP team at this year’s event in Washington DC. In their experience, the meeting represents an excellent opportunity to keep up to speed with new trends and techniques within the space, and the quality of presentations is consistently high.  In this synopsis, we summarize some of the particular highlights from the sessions that our team members attended, along with other takeaways from the event.

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Topics: Early Phase Trials, Phase 3, pharmacometrics, biostatistics, pharmacology


FDA 22 Case Studies and Mitigating Phase 3 Risks

Posted by Cytel

Apr 11, 2017 10:29:00 AM

In a January 2017 paper (1), the FDA reviewed 22 case studies where promising Phase 2 trials did not result in efficacy, safety or both being confirmed in a Phase 3 trial.

At the outset, the authors of the paper are careful to state that the aim is not to assess why these unexpected results occurred, but rather to demonstrate how different trials contribute to developing our scientific understanding of the product.

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Topics: Clinical Development Strategy, Phase 3, Adaptive Clinical Trials, adaptive sample size re-estimation, biostatistics, adaptive designs


Better Management and Outputs in Statistical Programming

Posted by Cytel

Apr 5, 2017 11:39:42 AM

Statistical programmers at all levels can make a significant impact on streamlining delivery, improving efficiency, and importantly ensuring quality.  At a recent PhUSE Single Day event , Cytel's Sunil Gupta gave a very well received presentation on how best to achieve high quality deliverables while maintaining efficiency, noting that 3 key components should be observed:

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Topics: Statistical Programming, biostatistics, Biometrics


New Publication: Design and Monitoring of Multi-Arm Multi-Stage Clinical Trials

Posted by Cytel

Mar 29, 2017 8:29:00 AM

With an increasing interest in platform designs and other innovative designs that involve multiple comparisons over multiple stages, the importance of Multi-Arm Multi-Stage ( MAMS) designs is set to rise.

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Topics: Adaptive Clinical Trials, Multi-Arm Studies, Multi-Arm Multi-Stage Studies, biostatistics, adaptive designs


Case Study: Improving Go/No-go Decision-Making with Custom Software

Posted by Cytel

Mar 24, 2017 9:27:00 AM

 Robust go/no-go (GNG) decision-making is essential for effectively managing risk across a clinical portfolio. In early phase development, it is particularly important to have the correct tools in place to terminate ineffective compounds quickly, while accelerating promising ones through the process. 

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Topics: Bayesian Methods, Case Study, go-no-go, biostatistics, Bayesian, custom software


The Data Management Plan Takes Center Stage- why is it so important?

Posted by Cytel

Mar 15, 2017 8:51:00 AM

 

A precise and thorough approach to planning is key for success in data management.

The Data Management Plan (DMP) is a critical document in any data management project. It outlines all of the data management work to be done, the timelines and milestones to be achieved, as well as the outputs to be produced. The DMP lets all of the stakeholders know what to expect, how to expect it and when to expect it.

The Society for Clinical Data Management (SCDM)‘s publication, Good Clinical Data Management Practices (GCDMP) (1), provides a complete chapter on Data Management Plans. (The GCDMP is available, even to non-members of the society, at their webpage).   It is important to note that while DMPs are not regulated documents, they are in fact so commonly used across the industry they have become auditable, and therefore scrupulously close attention needs to paid to getting them right.

We outline 4 key points to bear in mind when creating or reviewing a Data Management plan.

Use a Standard Template for Consistency 

To a great extent, the DMP can, and should be standardized across projects for a consistent approach. When using a centralized biometrics model, where data services( data management, statistics, statistical programming) are conducted by a single provider, the development of such standard documents can represent an efficiency in the study set up, and also reduce the oversight burden for the sponsor.  Indeed, for any trial project, a robust Data Management Plan template provides a solid starting point.   One of the important challenges facing industry professionals today is the increasing complexity of clinical trials, and as such, great care needs to be taken to ensure the DMP accurately documents what actions will be taken with the trial data.  Having a highly experienced data management team working on your project, with a track record of implementing innovative and complex trial designs, therefore, becomes increasingly important in this environment. 

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Topics: Data Management, Clinical Research Services, outsourcing, Clinical Data, data manager


Flexible approaches to Biosimilars Development

Posted by Cytel

Mar 10, 2017 7:19:33 AM

 At the recent Biosimilars Summit in Philadelphia, Cytel's Pantelis Vlachos presented on statistical challenges and flexible approaches in biosimilar development.  In this blog we summarize some of the challenges and share the slides from talk.

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Topics: Oncology, Phase 3, adaptive sample size re-estimation, biostatistics, Biosimilars


Case Study: Bayesian Decision-Making in a Phase 3 Oncology Design

Posted by Cytel

Mar 2, 2017 8:45:00 AM

We continue our case study series with this example of a Phase 3 design that uses Bayesian decision making combined with frequentist final analysis.

Clinical Development Background

Our biopharmaceutical client’s lead drug candidate is a late clinical-stage cancer immunotherapy for treatment of a rare oncology indication.  Clinical development of therapies in this indication faces inherent challenges of patient recruitment and scarcity of data.

Sponsor Challenge

The sponsor had previously conducted a randomized, double-blind, placebo-controlled Phase 2 study. Moving into a confirmatory clinical trial setting, they came to Cytel for support with a trial design to address their key questions:

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Topics: Oncology, Bayesian Methods, Phase 3, adaptive sample size re-estimation, biostatistics, adaptive trials, Bayesian


Estimands 101: Interview with Mouna Akacha

Posted by Cytel

Feb 27, 2017 7:39:00 AM

 

It’s been hard to miss the prevalence of estimand-related discussions in the last year.  This is a topic which is very much at the forefront of statistics discussions right now.  We are lucky enough to welcome Mouna Akacha to the blog to give us the lowdown on estimands and the problems and opportunities they represent for the global biopharma industry. 

Mouna is a Consultant in the Statistical Methodology Group of Novartis Pharma AG, based in Basel, Switzerland. She has a wide range of research interests including topics on missing data, longitudinal data and recurrent event data and is an active participant in the current estimand discussions.

Read on to find out everything you ever wanted to know about estimands but were afraid to ask…..

 

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Topics: Regulation, clinical development, biostatistics


Syntax and Variables in R: A Primer

Posted by Cytel

Feb 21, 2017 9:39:07 AM

 

 In a previous blog, we provided an overview of basic data structures in R.  In this follow up piece, we will provide a snapshot of basic syntax in R for programmers who want to get up to speed in this increasingly important programming language. 

 

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Topics: Statistical Programming, biostatistics, SAS, R


Outsourcing success for emerging biopharma

Posted by Cytel

Feb 15, 2017 9:33:05 AM

Outsourcing solutions should never be a one size fits all process, and smaller and emerging biopharma companies may  have different priorities and processes when working with external vendors to larger pharmaceutical organizations.

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Topics: outsourcing, Clinical Data, data manager, biostatistics, Biometrics, RFP


The Making of a CDISC Trainer

Posted by Cytel

Feb 6, 2017 9:10:00 AM

 

CDISC is a global, nonprofit charitable organization whose mission is ‘to inform patient care and safety through higher quality medical research’.  The organization delivers this mission through the development of data standards designed to streamline clinical research- these standard formats are increasingly expected for use in data submissions by regulatory authorities. Importantly, data standardization also brings significant benefits to the industry- in the CDISC 2014 Business Case (1),  it is noted that:

 “For those developing regulatory eSubmissions, using updated baseline numbers for the time and cost of getting a drug to market, it can be found that ~ $180M can be saved per submission (18% of the total cost). An average of two years can be saved off of an average 12-year clinical development program lifecycle – just by standardizing data”.

It’s therefore critical that the biopharma and CRO industries develop the next generation of data managers, statisticians and programmers with strong knowledge of the CDISC standards.


Angelo Tinazzi has more than 20 years’ experience in data-management and statistical programming and is Director of Clinical Data Standards and Data Submission at Cytel.  He has been a member of the European CDISC Committee since 2015 and is a member of the CDISC ADaM team. Taking the next step in his journey as a data standards expert, Angelo is now a "candidate trainer" with CDISC –working towards becoming an “Authorized CDISC Instructor”.  In this blog we find out more from Angelo about his experiences and the role of the CDISC trainer.

 

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Topics: Statistical Programming, Training and Education, Clinical Data, CDISC, SDTM, ADaM, Biometrics, CDASH


Accelerating development with combined SAD/MAD approach

Posted by Cytel

Jan 30, 2017 9:50:24 AM

Single ascending dose (SAD) and multiple ascending dose (MAD) studies are typically the first in human studies.  They seek to gain information on safety and tolerability, general pharmacokinetic (PK) and pharmacodynamic ( PD)  characteristics, and of course identify the maximum tolerated dose (MTD).

Conventionally, SAD  and MAD studies were conducted separately, but increasingly are combined into an ‘umbrella’ protocol which addresses both SAD and MAD objectives.

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Topics: Cytel Strategic Consulting, Cytel Consulting, Statistical Programming, Phase 1, Dose-Finding, Compass, Phase I, biostatistics, adaptive designs, adaptive trials


How to get the regulatory green light for your adaptive design?

Posted by Cytel

Jan 23, 2017 10:35:00 AM

As a group, Cytel had over 40 successful regulatory interactions last year, many of which supported approvals for innovative trial design approaches.  In this blog we look at some of the key success factors for regulatory interactions regarding adaptive designs.

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Topics: Cytel Strategic Consulting, Cytel Consulting, Regulation, biostatistics, adaptive designs, adaptive trials


Data Structures in R: A Primer

Posted by Cytel

Jan 19, 2017 7:05:00 AM

 

R is on the rise in biopharma, and as we have previously discussed on the blog, it is now time for SAS programmers to get up to speedwith this popular and powerful programming language.  Indeed, one of the advantages of R is its ability to integrate with other languages like C, C++, Python and SAS. Its strong graphical capabilities allow output in PDF, JPG, PNG, and SVG formats and table outputs for LaTeX and HTML. Importantly, as an open source resource, there is a strong community around R and extensive support for users in the form of forums like R-bloggers, StackOverflow and GitHub Repository

In this blog, we’ll provide an overview of R basic structures for programmers.  

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Topics: Statistical Programming, biostatistics, SAS, Rstats, R


Adaptive Design Approaches from Cardiovascular Clinical Trialists Forum

Posted by Cytel

Jan 16, 2017 8:41:00 AM

 The Global Cardiovascular Clinical Trialists Forum is a key event bringing together leading experts from across the spectrum of opinion leaders, clinical trialists, investigators, regulators, statisticians and practitioners to address the most pressing questions in cardiovascular clinical development today.  At the December conference, eminent biostatisticians Cyrus Mehta and Stuart Pocock led a packed workshop tackling the advantages and limitations of adaptive designs within this space.

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Topics: Cyrus Mehta, Cardiovascular, Cytel Events, biostatistics, adaptive designs, adaptive trials


SAS and NONMEM - a marriage made in heaven?

Posted by Cytel

Jan 5, 2017 8:45:00 AM

 

Nonlinear Mixed Effects Modeling (NONMEM) is a type of population pharmacokinetics/pharmacodynamics (popPK/PD) analysis used in Clinical Pharmacology research. The population PK approach combined with pharmacodynamics modeling, allows integrated analysis, interpretation, and prediction of the drug’s safety, efficacy, dose-concentration relationship, and dosing strategy. 

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Topics: pharmacometrics, biostatistics, SAS, pharmacology, NONMEM


Our readers' choice : Top Blog posts from 2016

Posted by Cytel

Dec 23, 2016 8:21:00 AM

 

As we prepare to say 'so long, farewell'  to 2016, we'd like to take the opportunity to thank all our blog readers and subscribers.  Read on for a  round up of our most read topics from the year.... 

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Topics: Clinical Data, EDC, database build, data manager, CDISC, SDTM, adaptive designs, adaptive trials


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