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Biostatistics & Data Management

When it comes to reader review and data management, precision and control are of the utmost importance. That’s why WorldCare Clinical’s scientific approach to imaging provides sponsors with the most accurate and reproducible datasets available.

WCC’s focus on operational metrics and clinical statistics continues to advance and improve the accuracy of medical imaging. To ensure data validity throughout the trial process, WCC follows a sophisticated statistical program that includes the creation and validation of critical listings to support FDA audits, SAP consulting, statistical methodology development for reader training and testing, and sample size estimations for reader variability testing. This means that all sponsors can be assured of a streamlined FDA review process that can be verified against WCC’s independent data.

From Start to Finish

From advanced tools that improve assessment precision to an image quality control process that streamlines reader training and testing, WCC’s measured control of reader variability and unparalleled commitment to data accuracy spans the entire duration of the study.

For each trial, WCC takes an adaptive approach to training and testing by developing a plan that includes:

  • Quantitative analysis of inter-reader variability data using kappa and/or concordance correlation statistics
  • Selective performance testing that allows ongoing inter-reader assessments of performance at any time, with a focus on difficult-to-interpret cases. We review the trial design and statistical analysis plan and determine what reader variability testing is required. This is all done in a prospective, cost-effective manner, starting with inter-reader variability testing and then intra-reader testing if needed or if required by regulatory agencies.

We also maintain regular communication with the entire reader team by providing trial-specific newsletters that include data on individual and team performance, study assessment criteria, evaluation discussions, and specific highlights of challenging cases.

More About Our Commitment to Reader Training and Testing

Data Management

  • Imaging eCRF creation and data management
  • Data management guidelines, data transfer file specifications including comprehensive validation of WorldPRO®-produced deliverable
  • Data export in sponsor-specified format (e.g. SAS Transport, CSV, xml, etc.)
  • Data analysis and SAS programming
  • Imaging data audit submission and management

Biostatistics

  • Statistical analysis planning
  • Comprehensive image reader training prior to assessment period
  • Reader variability testing
  • Consulting services regarding various adjudication paradigms

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Control Drift

Worldcare Clinical's industry-leading biostatistics and data management services are setting the course for reducing variability and increasing validity of trial imaging data.

Definition drift.  Reader turnover.  Missed or incomplete training.  If your CRO isn’t actively monitoring the validity of the imaging data as it is being collected, your submissions could be at risk.  At WorldCare Clinical, we are leading the industry in the proactive assessment of imaging data so that sponsors can identify potential issues early, and correct them.  We keep a close eye on the entire process including robust training, regular communication on trial status, intra- and inter- reader reliability testing, performance assessments, retraining, and more.   Let us show you how we are using today’s most advanced biostatistics and data management methods to deliver imaging data validity and consistency.

Ensuring Trial Data Accuracy

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When you choose WorldCare Clinical as your imaging CRO, you’re choosing unprecedented access to world-class therapeutic expertise in multiple disease states.

WCC offers sponsors not only its own in-house radiology expertise, but a wealth of radiologists from the world’s most renowned medical institutions, including Massachusetts General Hospital (MGH) Department of Radiology and the University of Chicago Medical Center (UCMC). Based on its access to this expertise, WCC is able to offer sponsors unique thought leadership in working through review criteria to determine optimal imaging modalities and study design.

Unique to WCC, our rigorous therapeutic model provides our sponsors with:

  • The ability to manage various imaging volumes for imaging trials on demand, productively and efficiently, without additional fixed costs to our sponsors - which means studies are always completed on time and on budget.
  • Subspecialty radiologist expertise that ensures decreased variability between image interpretations, and thus the generation and submission of consistent data at a reduced cost.
  • Access to independent and in-house physician readers that meet the sponsor’s specific needs.

Therapeutic Areas:

Oncology: Prostate, pancreatic, breast, lymphoma, colorectal, brain, liver, melanoma, ovarian, sarcoma, and renal cell carcinoma.

Central nervous system: Alzheimer’s disease, epilepsy, multiple sclerosis, Parkinson’s disease, traumatic brain injury, stroke/hemorrhage, vascular dementia, and other neurodegenerative diseases and cerebrovascular disorders.

Musculoskeletal: Sports-related injuries, pain management, bone and muscle tumors, osteoporosis.

Women’s health: Uterine fibroid disease, device for detection of ovarian cancer.

Cardiovascular: Cardiac contrast agents, and invasive and noninvasive vascular imaging in disease states such as myocardial infarction, congestive heart failure, peripheral vascular disease, and coronary artery disease, in addition to devices such as drug-eluting stents.

Metabolic: Obesity, muscular dystrophy, diabetes, hyperthyroidism, and Addison’s disease.

For more information on these and other services please email us at info@wcclinical.com or call us at 1 (888) 816-4721.


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Industry News

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With more than one million images processed, 35,000+ patients enrolled, and 4,000+ investigator sites served in over 50 countries to date, WorldCare Clinical is one of the longest-standing trusted partners in managing global imaging trials.

The WorldPRO® technology enables efficient, site-specific communications with total transparency to sites, monitors and sponsors. Built on a platform that moves over 1,000 images per day from 350 sites worldwide, the WorldPRO system facilitates remote review by independent readers. Our secure network provides a seamless data flow between sites, physician readers, and the sponsor for total project control at every step of the trial, and the most advanced transmission technology in the clinical trial world guarantees process efficiency.

Because the WorldPRO system supports readers remotely, we also provide round-the-clock technical support to imaging centers in global clinical trials and work with imaging formats of all kinds. Sponsors have the freedom to work with the best assessment talent anywhere on the globe, and the confidence of knowing our process for preparing sites, managing data, and submitting images ensures consistency - no matter where in the world your readers are.


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Our World Reach

Reaching: • Canada • United States • Mexico • Costa Rica • Venezuela • Peru • Brazil • Chile • Argentina• Ireland• Scotland• England• Netherlands• Belgium• France• Spain• Greece• Portugal• Germany• Italy• Switzerland• Denmark• Finland• Sweden• Estoria• Latvia• Croatia• Lithuania• Poland• Slovakia• Ukraine• Bulgaria• Romania• Turkey• Montenegro• Czech Republic• Serbia• Austria• Hungary• Israel• Lebanon• Morocco • South Africa• Russia• China• Taiwan • Korea• India• Singapore• New Zealand • Australia

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WorldCare Clinical has successfully managed imaging studies for FDA-approved drugs in a number of therapeutic indications.

Our approach to trial control and commitment to data accuracy are the foundation for regulatory services that frame the entire study from initial design and statistical plan to project management. We conduct every trial with the goal of maximizing the potential for successful regulatory submission, and we work closely with sponsors to determine the most effective way to meet agency requirements with services that encompass all regulatory aspects of trial design, execution, and compliance.

Specific regulatory services include:

  • Imaging charter development (WCC has extensive experience with RECIST 1.0, RECIST 1.1 and CHESON criteria in particular)
  • Consulting services and support at SPA meetings with regulatory agencies
  • Routine mock audits of trial data in preparation for regulatory review
  • FDA audit hosting
  • Preparation and submission of documentation for regulatory submissions (WCC has experience with submission to FDA, MHRA, and EMEA)
  • Production of reports that meet regulatory electronic submission requirements
  • Provide access to FDA and other regulatory agencies for easy review of images provided for submission

Agency Experience: Positioned for Success

WCC brings a specialized level of imaging expertise to sponsor trials, thanks to an extensive history with the FDA’s Medical Imaging Division and the EMEA. Currently participating in SPA meetings with the FDA, we also offer unique auditing experience after incorporating agency feedback to enhance audit trails for EAC review. In addition to implementing a new audit trail for all EACs participating in our trials, our staff has direct experience working with inspectors from the FDA, MHRA, and EMEA, and is a strong partner for advising sponsors on a well-informed approach to regulatory review.

WCC Drug Approvals


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WorldCare Clinical’s Endpoint Assessment Committee (EAC) services are designed to efficiently manage the EAC and independent assessment process for sponsors looking to further enhance surrogate imaging endpoints by incorporating a more holistic evaluation of effect important to the FDA.

EACs & Oncology Trials

Particularly for oncology trials, the use of an EAC can be of tremendous help in ensuring objectivity and comprehensiveness of assessment, and validity of efficacy results for regulatory submission. For sponsors requiring EAC reviews, WCC leverages its relationship with Massachusetts General Hospital to provide oncology, pathology and dermatology reviews. Using WorldPRO, WCC performs a digital assessment that collates radiology, pathology, photography, and clinical data in a user-friendly format, facilitating efficient review and confirmation of assessment by trained clinicians. Unique to WCC, EAC reviewers are able to make their own assessment, saving measurements on radiology, dermatology and pathology images to maintain critical audit trails.

WCC offers total planning and execution of an EAC for any imaging study with services that include:

  • Sourcing of members based on WCC recommendation or sponsor preferences
  • Training for all members under a committee chair to minimize variability between assessments
  • Allocation of roles and responsibilities for each member, including oncologists or other therapeutic specialists, radiologists, and pathologists
  • Design of the EAC charter, including decision algorithms for response assessment
  • Determining work load and time estimates, including training and testing programs, in conjunction with the sponsors and EAC chair
  • Automated data collection and management, including clinical site data, independent radiological assessments, pathology reports with histology images, etc.
  • Automated quality control, including adjudication, digital audit trails, and interactive database with all clinical information and assessment data for FDA review

More About EACs in Oncology Trials

Quality Control & Regulatory Optimization

WCC works specifically to streamline the assessment process by integrating the critical components of the data management and statistical analysis plans of the overall imaging trial into the EAC process. By allowing sponsors access to the imaging and other clinical data before it moves to final EAC review, WorldPRO minimizes the need for EAC re-reads and ensures that sponsors can most effectively utilize EAC results for regulatory submission. This transparency throughout the trial enables sponsors to confirm that all data has been properly obtained and received by investigators before final assessment, and prevents against multiple re-reads that can negatively impact chances for FDA approval. WCC’s fully digital process also removes bias in document handling, and an efficient data management system streamlines all data capture and transmission to optimize workflow and ensure total control throughout.


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Imaging trial design and management can often be overwhelming. Even for those more familiar with the process, underestimating the challenges unique to an imaging study is common.

WorldCare Clinical works with sponsors to design and configure a workflow that meets the specific needs of each trial, while enabling a transparent view of the study at any time of the day or night, regardless of location.

Whether your trial requires a basic workflow such as a single radiologist review with a single modality or a more advanced workflow such as a double-blind read with adjudication of multiple imaging modalities, or even a global trial that must adhere to international compliance standards and regulations, WCC provides an image management technology that is configurable to the specifications of your trial. This variety in processes from trial to trial increases the importance of technical insight in the science of imaging as well as in the operational details of workflow management.

From generating queries, events, notifications, and task lists for each trial segment, WCC’s WorldPRO image management platform is easily accessible with a single sign-on for Independent Review Committees and EAC members, providing access to:

  • Radiology and other images and corresponding eCRFs
  • Clinical data integrated from multiple sources
  • Multiple image formats – histology, dermatology, etc.

Additionally, reviewers have the flexibility to review cases wherever and whenever it is most convenient for them, allowing for subjects to be assessed in rapid turn-around times and eliminating the need for coordinating EAC sessions.


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From the outset of the trial, WCC’s project workflows are designed to efficiently and effectively move images through the study and facilitate quality reads with minimal responsibility on the part of the sponsor.  To determine a subject’s eligibility, WorldPro collects all baseline data for radiology review and adds it to the reader pool for assessment.  Post-radiology QC confirms radiographic eligibility of the patient and determines if the read follows protocol to prevent against inappropriate enrollment.  Depending on the data quality, images are automatically sent to the sponsor for approval or back to the radiology pool for a second independent review.  While the sponsor can view any of this activity in real time to determine the status of all images at any point, no data transfer direction, workflow oversight or approval is needed until the image review is complete and eligibility determination is presented to the sponsor.

Many specialized trials, particularly CNS studies, require large volumes of scans to assess efficacy in follow-up.  In such cases, reads are complex and the workflow requires a streamlined approach to collection and batch review.  Subject images will be held together in WorldPro until the appropriate number of visits required for review has been met, and batch review notification sent to the IR.  WorldPro delivers the entire group of images to a radiologist for sequential review altogether to ensure efficacy is tracked consistently and correctly from image to image, and WCC QC ensures quality of reads before the system passes the review to the sponsor as finalized data.

Workflow management becomes even more critical when trial protocol requires double reads of more complex and/or advanced modalities and disease states.  For oncology trials and other highly complex studies, WCC provides the behind-the-scenes technology to streamline workflows for double blinded radiology reviews and automatically routes images for adjudication if necessary.  Based on WorldPro system checks and WCC QC, a third reader will receive the image for a blinded read and complete adjudication – all without any headaches or project management from the sponsor.