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Statistical Consultancy Team

Statistical Consultancy Team

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[Video] Bayesian Methodology - How to Analyse Multiple Endpoints

Statistical Consultancy Team

In this Statistical Knowledge Share Video our Principal Statisticians, Sonia, presents an example of Bayesian Methodology using simulated data and examines how to analyze Multiple End Points in Clinical Trials.

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Topics: Bayesian Statistics, Bayesian Methods, SAS Programming, Statistics, Statistical Knowledge Share, Multiple Endpoints

[Video] Tipping Point Analysis in Multiple Imputation for Binary Missing Data

Statistical Consultancy Team

In this Statistical Knowledge Share Video our Senior Statisticians, Niccolo, presents an example on simulated data of Tipping Point Analysis in Multiple Imputation for Missing Data.

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Topics: Multiple Imputation, Statistics, Tipping Points Analysis, Missing Data, Statistical Knowledge Share

Risk-Based Monitoring and the Need for Programmers and Statisticians

Statistical Consultancy Team


The ICH E6 on Good Clinical Practice was updated on 9 November 2016, the first addendum for 20 years. Sections 5.0 on Risk and 5.18.3 on Extent and Nature of Monitoring in particular created an increased need for Risk-Based Monitoring (RBM) and Centralized Monitoring (CM). The details of how this may be covered and the increasing evolution of a risk in the industry have been noted. The required changes involved create a number of different team roles. These include opportunities for biostatisticians and statistical programmers - players who may not have been so directly involved in onsite monitoring, a more traditionally clinical domain.

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Topics: Source Data Verification (SDV), On-Site Monitoring, Visualization, Fraud Detection, Risk Based Monitoring, Centralized Monitoring, ICHGCP E6, International Conference on Harmonisation (ICH)

Patient Reported Outcomes (PRO) to Support Medical Product Labeling Claims

Statistical Consultancy Team

With encouragement from the U.S. Food and Drug Administration (FDA), using Patient Reported Outcomes (PRO) data to claim labeling became more and more popular. Well-defined and reliable PRO can be used to support a claim in medical product labeling. [1] It is found that there are an increasing number of regulatory submissions for new drugs to provide PRO data to support claims. DeMuro et al. (2013) [2] have reviewed drug approvals by both FDA and EMA for the years 2006–2010. They found that out of 75 drugs approved by the EMA, 35 (47%) had at least one PRO related claim approved by the EMA compared to 14 (19%) for the FDA.

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Topics: FDA, European Medicines Agency, Biostatistics Consulting, Patient Reported Outcomes, medical labeling, PRO Instrument, Electronica Patient Reported Outcome (ePRO), Statistical Analysis Plan

The Analysis of Direct and Indirect Pathways in Observational Studies

Statistical Consultancy Team

The blog was orginally presented by one of our statistical consultants at the Statisticians in the Pharmaceutical Industry (PSI) 2017 conference.

Inflammatory rheumatic diseases, such as ankylosing spondylitis (AS), are a major cause of work disability. Despite clinical progress in inflammation control and associated improvements in outcomes, work disability remains an issue for AS patients, and other underlying causes, such as fatigue, have been postulated. We have used data from an observational study, which followed a large cohort of AS patients in routine clinical practice for 12 months, to investigate the longitudinal relationship (data at baseline, 6 and 12 months) between fatigue and work disability in the presence of other recognised confounders. Initial results suggested possible inter-relationships between the effects of fatigue and anxiety/depression, leading to a post-hoc hypothesis that:

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Topics: Biostatistics Consulting, Statisticians in the Pharmaceutical Industry (PSI), SAS Macros, Statistics, Observational Studies, Inflammatory Rheumatic Diseases, PROC GENMOD

Methods for assessing early-phase equivalence in Biosimilars

Statistical Consultancy Team

Rheumatoid Arthritis (RA) is a long-term inflammatory disease that causes pain, swelling, 
stiffness and loss of function in joints, with an approximately 0.5 to 1% (and increasing) prevalence in adults worldwide.  Alongside many treatment options, 
there’s recently been an increased focus on producing biosimilars, with many new drugs expected to come to the market in the coming years [1]. 

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Topics: Phase I Studies, Biostatistics Consulting, Bioequivalence, Biosimilars, Bioavailability, Rheumatoid Arthritis (RA)

Is a MSc in Statistics the ‘be-all and end-all’ to a career as a pharmaceutical statistician?

Statistical Consultancy Team


The vast majority of pharmaceutical companies and Clinical research organizations (CROs) ask for an MSc in Statistics (or Medical Statistics) when hiring statisticians, claiming these degrees in particular provide adequate preparation and the necessary hands-on experience to work in the industry. However – how strict is this rule across different companies, and should this be a requirement? Can similar qualifications such as an MMath or PGDip (which can have a lot of crossover with traditional statistics MScs) be equivalent and provide the required statistical training for a successful career in industry? Or can a BSc be sufficient? I aimed to answer these questions by asking senior statistical leaders and recruiters for their views through 4 questions.

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Topics: Statisticians in the Pharmaceutical Industry (PSI), Clinical Research Organization, MSc Statistics, Careers, Graduates

Top 3 Examples of Interactive Clinical Data Visualizations

Statistical Consultancy Team

Nowadays, vast amounts of data are collected during any clinical trial and it is essential for pharmaceutical sponsors to understand these data in great detail to make accurate decisions.

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Topics: Adverse Events (AEs), SDTM, Biostatistics Consulting, ADaM Datasets, Visualization, Technology Trends, Statistics

The Trend in Biosimilar Development and Recent FDA Guidance

Statistical Consultancy Team

At the present time, the regulatory and drug development communities are adapting to a rising trend in biosimilar development in a number of therapeutic areas.

The regulatory framework for biosimilars in the US is still evolving; the number of biosimilars approved by the FDA in 2015 was 1, this rose to 4 in 2016 and is set to increase in 2017. The FDA is developing and consulting on draft guidance documents that will shape future trials, and at this early stage there are a number of legal issues to be agreed around licencing conditions, such as the period of exclusivity and the applicability of the biosimilar to all approved indications of the reference product. To put this in context with the European landscape, biosimilars have been approved and used in the EU for over a decade without highlighting any major safety concerns. As of April 2017, there were 28 approved biosimilars in the EU on 11 different biologics. However, there are aspects of the emerging FDA guidance that will almost certainly be reflected in the evolution of trial designs in the future, for products aimed at the US market.

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Topics: Regulatory Requirements, Pharmacokinetics and Pharmacodynamic, FDA, Clinical Study Design, European Medicines Agency, Bioequivalence, PK Analysis, Demonstrating Biosimilarity, Biosimilars

Therapeutic Areas for Wearable Devices in Clinical Trials

Statistical Consultancy Team

Wearable devices are currently growing hugely in popularity, with predictions that the market will grow to $25 billion by 20191. Many of these devices, like the FitBit or Jawbone, are fairly cheap and affordable to the public. With the rising prevalence of chronic conditions like obesity due to our increasingly sedentary lifestyles, the use of wearable technology is on the up. Although initially marketed to consumers wanting to track their health and fitness, many wearable medical devices are now being designed and their potential use in clinical trials could completely transform and revolutionise the pharmaceutical industry. The obvious benefits to incorporating wearables in clinical trials are a higher compliance rate and reduced dropout rate, because wearing a device to monitor various vital signs and endpoints can reduce the need for hospital visits. For the same reason, clinical trials could have a much higher uptake and recruitment rate. The large amount of additional data could mean a lower variability, so fewer subjects could be needed to achieve statistical power.  However, this concept is virtually brand new and has major questions that need to be answered before real progress in this area can begin.

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Topics: Therapeutic Areas, Wearables in Clinical Trials, Wearables

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