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THE COMPLEX NATURE OF ONCOLOGICAL STUDIES
Oncological clinical trials, especially in their initial phases, present a multifaceted challenge. They often span across various countries, involving multiple research centers, and are greatly influenced by key opinion leaders (KOLs) whose expertise contributes to the complexity of these studies. At the core of these trials lies the critical task of collecting, preserving and analyzing a diverse range of samples, including valuable tissue and blood specimens. The meticulous handling, thorough documentation and precise transportation of these samples is vital to ensure the integrity and reliability of study data.
Moreover, maintaining data consistency is a significant challenge. Inconsistencies or missing information within sample data can hinder the research process. Establishing a robust system to identify and resolve such issues is crucial for data accuracy. Efficient sample logistics during shipment, whether ambient, refrigerated, or frozen on dry ice, selecting appropriate courier services and ensuring proper packaging are key to preventing sample degradation. Furthermore, early-phase oncological studies often demand specialized testing, such as new exploratory tumor marker analysis and genetic profiling. Collaborating with specialized laboratories is essential but adds complexity to the research process.
Customized flags
Inventory management
Sample storage
Temperature monitoring
Enabling the flagging of results that meet predefined criteria, such as inclusion/ exclusion of potential study subjects during screening, serving also as gentle reminders for the investigators to keep in mind each study- specific criterion.
Providing storage solutions for various sample types at different temperatures, regardless of whether interim or long-term storage is required.
Generating comprehensive inventory lists for all stored study samples.
Implementing advanced surveillance systems to monitor storage temperatures and trigger alarms during temperature excursions as well as establishing appropriate backup solutions.
SAMPLE MANAGEMENT WORKFLOW
THE ROLE OF CENTRALIZED SAMPLE MANAGEMENT
Sample management in oncological studies involves a series of intricate steps:
A centralized laboratory service provider can significantly optimize the sample handling process within clinical trials. This approach offers a range of advantages. Firstly, it ensures an efficient workflow. With a central laboratory overseeing all aspects of sample handling and flow, the complexities associated with managing samples across different sites and laboratories are reduced. Researchers can focus on collecting high-quality samples while leaving the intricate logistics to the experts. Moreover, study sites can concentrate on their core responsibilities – collecting samples and ensuring proper storage and shipment conditions – as the central laboratory takes charge of the rest. Furthermore, specialty laboratories can dedicate their efforts solely to testing without being burdened by query management and logistical tasks. This enables them to deliver accurate and timely results. Lastly, this centralized approach simplifies sponsor management. Sponsors benefit from having a single point of contact for the entire sample workflow. This reduces administrative complexities, allowing sponsors to consolidate workflows and streamline study management.
Data entry and validation
Sample shipment
Sample collection and preparation Properly collecting and preparing samples, including instructions to ensure consistency.
Chain of custody
Coordinating the shipment of samples to the laboratory, considering temperature requirements (ambient, refrigerated, frozen).
Checking samples upon arrival, resolving missing or inconsistent data and ensuring data quality.
Maintaining a secure chain of custody for samples during storage and analysis.
Analytical methods
Data reporting
Method validation
Specialty laboratories
Offering a wide range of analytical methods, including esoteric tests like tumor markers, pharmacokinetics (PK), biomarker analysis, genetic testing and immunogenicity testing. This will minimize the number of laboratories that have to be involved,
Ensuring that all analytical methods
Identifying and qualifying specialty laboratories for specific tests, if necessary, resulting in further relief and less oversight for sponsors.
Providing test results in standardized laboratory reports with consistent units and reference ranges helps CROs and MDs as they don’t have to get acquainted with various laboratory report layouts.
comply with regulatory guidelines and sponsor- specific requirements so that data can also be used at the later stages of development.
CONCLUSION
The complexities of managing samples in oncological studies, especially multicentric trials, can be daunting. However, a centralized approach to sample management can offer plenty of benefits. From streamlining workflows and reducing administrative burdens to enhancing the focus of
specialty laboratories, the advantages are far-reaching. By entrusting the intricate logistics of sample collection, storage, and analysis to a central lab, sponsors can optimize their clinical trials and contribute to the advancement of oncological research.
resulting in a more efficient workflow.
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