Complete List of Deliverables

In Vitro Device Lifecycle

Our dedicated IVD team brings specialized knowledge of the EU IVDR and FDA diagnostic pathways, supporting everything from analytical validation through clinical performance studies and post-market performance follow-up. Criterion Edge’s writers work shoulder-to-shoulder with your regulatory and clinical teams to deliver technically precise, submission-ready documentation.

EU IVDR / FDA Pathway

In Vitro Device Lifecycle

1 . Design & Feasibility Assay concept & design
2 . Analytical Validation Performance testing
3 . Clinical Performance Study conduct & data
4 . Submission / CE Mark IVDR Tech File / 510(k)
5 . Post-Market Performance follow-up
Regulatory Submissions
Core Regulatory EU IVDR / FDA
◆ IVDR Technical Documentation
IVDRTechnicalDocumentationisthecompletedocumentationpackagerequiredunderAnnexIIandIIIoftheEUInVitroDiagnosticRegulation(2017/746)todemonstrateconformitywithallapplicablerequirements.Itincludesdevicedescriptionandspecifications,designandmanufacturinginformation,GeneralSafetyandPerformanceRequirementscompliance,thePerformanceEvaluationReport,andinformationsuppliedwiththedevice(labelingandinstructionsforuse).TheTechnicalDocumentationforIVDdeviceshasspecificrequirementsthatdistinguishitfrommedicaldevicedocumentation,includingthethree-pillarperformanceevaluationframework(scientificvalidity,analyticalperformance,andclinicalperformance)andspecificconsiderationsforcommonspecificationscompliance.Itmustbemaintainedthroughoutthedevice'scommerciallifeandmadeavailabletoNotifiedBodiesandcompetentauthoritiesuponrequest.
◆ 510(k) for IVD
A510(k)forIVDisapremarketnotificationsubmittedtotheFDAforinvitrodiagnosticdevicesthatdemonstratessubstantialequivalencetoalegallymarketedpredicateIVD.Thesubmissionfollowsthesamegeneralframeworkasamedicaldevice510(k)butincludesIVD-specificperformancedatasuchasanalyticalsensitivityandspecificity,precision,linearity,referenceintervals,methodcomparisonstudies,andinterferencetesting.IVD-specific510(k)submissionsrequireparticularattentiontotheclinicalcontextofthedevice'sresults,includingtheintendedusepopulation,specimentypes,andclinicaldecision-makingimplications.Thesubstantialequivalenceargumentmustaddressboththeanalyticalandclinicalperformanceofthedevicerelativetothepredicate,andmayrequireclinicalstudiesorliterature-basedevidencetosupportthecomparison.
◆ PMA for IVD
A PMA for IVD is required for the highest-risk in vitro diagnostic devices, particularly those where inaccurate results could lead to serious health consequences such as blood donor screening tests, HIV diagnostics, and certain cancer screening assays. The PMA for IVD requires comprehensive analytical and clinical performance data demonstrating that the device is safe and effective for its intended diagnostic purpose. The clinical data requirements for IVD PMA submissions are typically extensive and must demonstrate the device's diagnostic accuracy in the intended use population across multiple clinical sites. The submission includes detailed information about the device technology, manufacturing, quality control, analytical performance studies, and prospective clinical performance studies with adequate sample sizes to establish clinically meaningful performance characteristics.
Gap Analysis Reports
Gap Analysis Reports for IVD devices systematically evaluate the current state of technical documentation and performance evaluation data against the requirements of the IVDR. These reports identify areas where existing documentation, particularly that prepared under the previous IVD Directive (98/79/EC), falls short of the more stringent IVDR requirements. The analysis is particularly important for manufacturers transitioning legacy IVD devices to IVDR compliance, as the new regulation significantly expanded performance evaluation requirements, introduced the risk-based classification system, and mandated more robust clinical evidence. The gap analysis provides a prioritized action plan for closing identified gaps, including additional studies needed, documentation updates required, and timeline and resource estimates.
Device Classification Reports
A Device Classification Report is a regulatory analysis document that determines the appropriate classification of a medical device under applicable regulatory frameworks such as the FDA classification system (Class I, II, or III) or the EU MDR classification rules (Annex VIII). The report evaluates the device's intended purpose, mechanism of action, duration of contact, invasiveness, and other classification criteria to arrive at the correct regulatory class. Accurate device classification is foundational to the entire regulatory strategy, as it determines the applicable premarket submission pathway, conformity assessment route, quality system requirements, and post-market obligations. The classification report typically includes a description of the device and its intended use, an analysis of each applicable classification rule or regulation, a comparison with similar classified devices, and a conclusion with supporting rationale.
IVDR Transition Documentation
IVDR Transition Documentation encompasses all the documents, updates, and plans needed to transition IVD devices from compliance with the In Vitro Diagnostic Directive (98/79/EC) to the In Vitro Diagnostic Regulation (EU 2017/746). This includes updated technical documentation, performance evaluation reports aligned with IVDR requirements, post-market performance follow-up plans, and UDI registration materials. The transition to IVDR represents a significant regulatory shift, with staggered deadlines based on device classification and whether the device previously required Notified Body review. Transition documentation must address the new risk-based classification system, expanded performance evaluation requirements, enhanced post-market surveillance obligations, and EUDAMED registration. Manufacturers must develop comprehensive transition plans to ensure uninterrupted market access.
Performance Evaluation Plan (PEP)
The Performance Evaluation Plan is a strategic planning document required under the IVDR that defines the scope, methodology, and acceptance criteria for the overall performance evaluation of an IVD device. It establishes the framework for generating and evaluating evidence across all three performance evaluation pillars: scientific validity, analytical performance, and clinical performance. The PEP outlines the specific studies to be conducted, the data to be collected from literature and existing sources, the statistical methods to be used, and the criteria for determining whether the device meets its performance claims. It also addresses post-market performance follow-up activities. The PEP must be developed before the performance evaluation begins and serves as the roadmap guiding all subsequent evaluation activities. It is analogous to the Clinical Evaluation Plan for medical devices.
Common Specifications Compliance
Common Specifications Compliance documentation demonstrates that an IVD device meets the Common Specifications (CS) established by the European Commission under the IVDR. Common Specifications define the performance requirements, performance evaluation criteria, and conformity assessment requirements for specific categories of IVD devices, particularly those in Annex XVI (previously self-certified under the IVDD list A and B). This documentation must show point-by-point compliance with each applicable Common Specification, including analytical and clinical performance criteria, quality control requirements, and labeling requirements. Where a manufacturer deviates from Common Specifications, they must provide a detailed justification demonstrating that their alternative approach achieves at least an equivalent level of safety and performance.
Reference Material Documentation
Reference Material Documentation covers the characterization, validation, and traceability of reference materials and calibrators used in IVD testing systems. This includes documentation of reference material sourcing, value assignment, uncertainty measurements, commutability assessment, and the metrological traceability chain from the device's measurements to recognized reference measurement systems or procedures. This documentation is critical for ensuring the accuracy and comparability of IVD results, particularly for quantitative assays. Under the IVDR, manufacturers must establish and maintain metrological traceability of values assigned to calibrators and trueness control materials. The documentation must demonstrate a clear and unbroken chain of traceability to higher-order reference materials or reference measurement procedures, as required by ISO 17511.
Regulatory Response Letters
Regulatory Response Letters are formal written communications prepared in response to questions, deficiency notices, or additional information requests issued by regulatory authorities such as the FDA, Notified Bodies, or other health authorities during the review of a marketing submission. These letters must address each concern raised by the reviewer with clear, well-organized, and scientifically supported responses. The quality and completeness of response letters can significantly impact review timelines and outcomes. Effective response letters include point-by-point responses to each question, reference supporting data or documentation, provide clear rationale for any disagreements with the reviewer's position, and include any revised submission sections as needed. They require careful coordination across regulatory, clinical, and technical teams.
Notified Body Responses
Notified Body Responses are formal written communications addressing questions, observations, or deficiencies raised by Notified Bodies during their review of IVD technical documentation as part of the conformity assessment process. These responses must systematically address each point raised with clear explanations, supporting evidence, and any revised documentation. Effective Notified Body responses require a thorough understanding of both the specific technical questions and the broader regulatory context. They must be precise, well-referenced, and demonstrate that the manufacturer has fully considered and addressed the Notified Body's concerns. Response quality directly impacts the timeline for CE marking and can affect the overall relationship with the Notified Body.
De Novo for IVD
A De Novo submission for IVD devices follows the same regulatory framework as the general De Novo pathway but is tailored to the specific characteristics and risk considerations of in vitro diagnostic products. It is used for novel IVD devices that lack a predicate but are appropriate for Class I or Class II classification with general and special controls. The De Novo for IVD includes a proposed classification with special controls specific to the diagnostic context, such as requirements for analytical and clinical validation, quality control specifications, and labeling for result interpretation. This pathway has been particularly important for novel molecular diagnostics, companion diagnostics, and point-of-care testing platforms that represent new diagnostic approaches without established predicates.
1 . Design & Feasibility Assay concept & design
2 . Analytical Validation Performance testing
3 . Clinical Performance Study conduct & data
4 . Submission / CE Mark IVDR Tech File / 510(k)
5 . Post-Market Performance follow-up
Analytical & Performance Studies
Analytical Validation Lab & method performance
◆ Analytical Validation Reports
Analytical Validation Reports document the comprehensive evaluation of an IVD device's analytical measurement capabilities through a series of studies designed to characterize key performance parameters. These typically include accuracy/trueness, precision (repeatability, within-laboratory, and between-laboratory), analytical sensitivity (limit of detection, limit of quantitation), analytical specificity, measuring interval/reportable range, linearity, and hook effect assessment. The studies must be designed and conducted according to recognized standards such as CLSI guidelines (EP05, EP06, EP07, EP12, EP15, EP17, etc.) or ISO standards. The reports provide the quantitative evidence that the device can accurately and reproducibly measure the target analyte within specified performance parameters. They are essential for both regulatory submissions and for establishing the device's specifications for intended use claims.
◆ Analytical Performance Report
The Analytical Performance Report documents the results of studies evaluating an IVD device's technical measurement capabilities. It covers performance characteristics such as accuracy, precision (repeatability and reproducibility), analytical sensitivity, analytical specificity, measuring range, linearity, cut-off values, and interference from endogenous and exogenous substances. These studies are conducted under controlled laboratory conditions. This report provides the quantitative evidence that the device can reliably measure the target analyte within its stated specifications. The studies must be designed according to recognized standards (e.g., CLSI guidelines, ISO standards) and use appropriate reference materials, sample matrices, and statistical methods. The Analytical Performance Report forms a critical part of the overall Performance Evaluation and is essential for demonstrating that the device is fit for its intended purpose.
◆ Scientific Validity Report (SVR)
The Scientific Validity Report is a key component of the IVDR performance evaluation that establishes whether the analyte targeted by an IVD device has a well-established association with a specific clinical condition or physiological state. It provides evidence linking the biomarker or analyte to the clinical purpose claimed by the device, drawing on published scientific literature, clinical guidelines, and established medical knowledge. The SVR requires a thorough review of the scientific literature and established consensus regarding the analyte's role in disease detection, monitoring, or management. It must clearly articulate the biological and clinical rationale for measuring the analyte, the clinical context in which it is used, and the strength of the association between the analyte and the claimed clinical condition. For well-established analytes, this may draw on clinical guidelines, while novel biomarkers require more extensive evidentiary support.
Precision & Reproducibility Studies
Precision and Reproducibility Studies evaluate the closeness of agreement between independent measurement results obtained under defined conditions, characterizing the random measurement error of an IVD device. Precision is assessed at multiple levels: repeatability (within-run), intermediate precision (within-laboratory, across days, operators, and reagent lots), and reproducibility (between-laboratory). These studies follow CLSI EP05 guidelines and must be conducted at multiple analyte concentration levels, including clinically relevant decision points. The results are expressed as standard deviation and coefficient of variation, with assessment of individual variance components. Precision data is essential for establishing the device's measurement uncertainty, setting quality control ranges, and determining whether the device's analytical variability is acceptable relative to clinical requirements.
Lot-to-Lot Variability Studies
Lot-to-Lot Variability Studies evaluate the consistency of performance across different manufacturing lots (batches) of an IVD device's reagents, calibrators, and controls. These studies assess whether lot-to-lot variations in raw materials, manufacturing conditions, or calibration processes result in clinically significant differences in measurement results. The studies typically involve testing patient specimens or reference materials across multiple reagent lots and analyzing the results for systematic biases or increased variability. Acceptable lot-to-lot performance is essential for ensuring that clinical laboratories obtain consistent results when transitioning between reagent lots. This data supports the device's manufacturing quality claims and is relevant to both regulatory submissions and ongoing quality system requirements.
Method Comparison Studies
Method Comparison Studies evaluate the agreement between an IVD device and a reference or comparator method to demonstrate that the new device provides clinically acceptable results. These studies involve testing a panel of patient specimens across the device's measuring range on both the new device and the comparator method, then analyzing the agreement using statistical methods such as Passing-Bablok regression, Deming regression, and Bland-Altman difference plots. The study design follows CLSI EP09 guidelines and must include sufficient specimens across the measuring range, with appropriate representation of clinically relevant decision levels. The report presents the correlation data, regression equations, confidence intervals, and an assessment of whether any systematic differences between methods are clinically acceptable. Method comparison data is critical for establishing the device's analytical performance relative to established methods and supporting claims of equivalence.
Specimen Stability Studies
Specimen Stability Studies evaluate the effect of storage time and conditions on the stability of the analyte in clinical specimens (blood, serum, plasma, urine, etc.) intended for use with the IVD device. These studies determine how long after collection a specimen can be stored at various temperatures (room temperature, refrigerated, frozen) before the analyte degrades or changes to a degree that affects test accuracy. The studies must assess multiple clinically relevant analyte concentrations and evaluate stability at each storage condition over appropriate time intervals. Results inform the specimen handling instructions provided to laboratories, including maximum allowable time between collection and testing, acceptable storage temperatures, and the number of freeze-thaw cycles permitted. This information is critical for ensuring that pre-analytical variables do not compromise test accuracy.
Stability Studies
Stability Studies for IVD devices evaluate the ability of reagents, calibrators, controls, and specimen samples to maintain their specified performance characteristics over time under defined storage and handling conditions. These studies establish shelf life for the kit and its components, in-use stability (on-board stability for instrument-based systems), and specimen stability under various storage conditions. Study designs must include real-time stability assessments at recommended and stressed storage conditions, with appropriate sampling intervals and acceptance criteria based on the device's performance specifications. The results directly inform the product's expiration dating, storage instructions, and handling recommendations. Stability data must be generated according to recognized standards and is a required component of the device's technical documentation and regulatory submissions.
Cross-Reactivity Studies
Cross-Reactivity Studies evaluate the extent to which an IVD device responds to substances that are structurally or immunologically similar to the target analyte, potentially causing false results. For immunoassay-based devices, this includes testing closely related molecules, metabolites, and structural analogs. For molecular diagnostics, it includes testing related organisms or genetic sequences. The studies must test a comprehensive panel of potentially cross-reactive substances at clinically relevant concentrations to characterize the device's analytical specificity. The report documents the degree of cross-reactivity for each substance tested, expressed as a percentage of the target analyte response, and evaluates the clinical significance of any cross-reactivity observed. This information is essential for accurate result interpretation and must be included in the device's labeling.
Interference Studies
Interference Studies evaluate the effect of endogenous and exogenous substances on the accuracy of an IVD device's measurements. Endogenous interferents include hemolysis, lipemia, icterus, and paraproteins, while exogenous interferents include commonly used drugs, dietary supplements, and anticoagulants. The studies identify substances that may cause clinically significant measurement errors. These studies follow CLSI EP07 guidelines and involve testing samples with known concentrations of potential interferents at levels expected to be encountered in clinical specimens. The report documents which substances interfere with the measurement, the concentration threshold at which interference becomes clinically significant, and recommendations for specimen collection and handling to minimize interference. This information is essential for the device's labeling and instructions for use.
Metrological Traceability
Metrological Traceability documentation demonstrates the unbroken chain of calibration linking the values assigned to a device's calibrators and trueness control materials to higher-order reference measurement procedures or reference materials. Under the IVDR and ISO 17511, manufacturers must establish and document the traceability of their measurement system to recognized international standards where they exist. The documentation includes identification of the highest-order reference system (primary reference measurement procedure, certified reference material), all intermediate calibration steps, uncertainty assessments at each level in the traceability chain, and evidence of commutability of reference materials used. This is a critical quality attribute for IVD devices, as it ensures that measurements made by different devices and in different laboratories are comparable and clinically meaningful.
Reference Material Docs
Reference Material Documentation covers the characterization, validation, and traceability of reference materials and calibrators used in IVD testing systems. This includes documentation of reference material sourcing, value assignment, uncertainty measurements, commutability assessment, and the metrological traceability chain from the device's measurements to recognized reference measurement systems or procedures. This documentation is critical for ensuring the accuracy and comparability of IVD results, particularly for quantitative assays. Under the IVDR, manufacturers must establish and maintain metrological traceability of values assigned to calibrators and trueness control materials. The documentation must demonstrate a clear and unbroken chain of traceability to higher-order reference materials or reference measurement procedures, as required by ISO 17511.
1 . Design & Feasibility Assay concept & design
2 . Analytical Validation Performance testing
3 . Clinical Performance Study conduct & data
4 . Submission / CE Mark IVDR Tech File / 510(k)
5 . Post-Market Performance follow-up
Analytical & Performance Studies
Clinical Performance Performance evaluation
◆ Performance Evaluation Report (PER)
The Performance Evaluation Report is a comprehensive document required under the EU In Vitro Diagnostic Regulation (IVDR 2017/746) that systematically evaluates and documents the scientific validity, analytical performance, and clinical performance of an IVD device. Analogous to the CER for medical devices, the PER synthesizes evidence from performance studies, literature, and post-market data to demonstrate that the device meets applicable General Safety and Performance Requirements. The PER must follow a structured methodology based on a Performance Evaluation Plan and is organized around three pillars: scientific validity of the analyte or marker, analytical performance characteristics (sensitivity, specificity, precision, etc.), and clinical performance demonstrating the device's ability to yield results correlating with a particular clinical condition or physiological state. The PER is a living document that must be updated as new evidence becomes available.
◆ Clinical Performance Study Protocol
A Clinical Performance Study Protocol defines the objectives, methodology, and procedures for a clinical performance study of an IVD device as required under the IVDR. It specifies how the device's ability to produce results that correlate with a specific clinical condition or physiological state will be assessed, including diagnostic sensitivity and specificity, predictive values, and agreement with reference methods or clinical diagnoses. The protocol must comply with IVDR Annex XIII requirements for clinical performance studies and relevant standards such as ISO 20916. It addresses study design (prospective, retrospective, or a combination), sample size justification, specimen selection criteria, reference standard definition, blinding procedures, data analysis methods, and ethical considerations. The study design must be appropriate for the device's intended purpose and the claims to be supported.
◆ Clinical Performance Study Report
A Clinical Performance Study Report presents the complete results of a clinical performance study conducted on an IVD device. It includes the study conduct details, specimen demographics, analytical and clinical results, agreement with reference standards, diagnostic accuracy metrics, and conclusions regarding the device's clinical performance relative to the claims in the intended purpose. The report must be sufficiently detailed to allow independent assessment of the study's validity and the device's clinical performance. It follows the structure specified in IVDR Annex XIII and includes information on any protocol deviations, discrepant results and their resolution, and an assessment of the clinical significance of the performance findings. This report is a critical component of the Performance Evaluation Report.
◆ Summary of Safety & Performance (SSP)
The Summary of Safety and Performance is the IVDR equivalent of the SSCP for medical devices. Required under Article 29 of the IVDR for Class C and D IVD devices, the SSP provides a publicly accessible summary of the device's safety and performance data. It includes information about the device's intended purpose, analytical and clinical performance characteristics, residual risks, and a summary of the performance evaluation. The SSP must be written in a way that is understandable to the intended audience, validated by the Notified Body, and uploaded to EUDAMED. It is updated as new performance data becomes available, particularly after post-market performance follow-up activities. The SSP serves both as a transparency tool and a reference document for healthcare professionals using the device.
Clinical Performance Report
The Clinical Performance Report documents evidence demonstrating that an IVD device can achieve the clinical performance claimed by the manufacturer, particularly its ability to produce results that correlate with a specific clinical condition or physiological state in the target population. This includes assessment of diagnostic sensitivity, diagnostic specificity, positive and negative predictive values, likelihood ratios, and expected values in normal and diseased populations. Clinical performance evidence can be generated through clinical performance studies (prospective or retrospective), analysis of residual clinical samples, or compilation of published clinical data. The report must demonstrate that the device's clinical performance has been adequately evaluated in the intended use population and clinical setting, and that the results support the clinical claims made in the device's labeling and instructions for use.
Statistical Analysis Plan
A Statistical Analysis Plan is a detailed technical document that describes the statistical methods and analyses to be conducted for a clinical investigation or performance study. It elaborates on the statistical approach outlined in the clinical protocol and specifies the primary and secondary endpoints, analysis populations, statistical models, handling of missing data, interim analyses, multiplicity adjustments, and sensitivity analyses. The SAP is typically finalized before database lock and unblinding of the study data to prevent data-driven analytical decisions. It ensures transparency and reproducibility of the statistical analyses and helps maintain the scientific integrity of the study. The plan must be consistent with the study protocol and any subsequent amendments, and deviations from the planned analyses must be justified in the final study report.
Informed Consent Form
An Informed Consent Form is the document used to obtain voluntary, informed agreement from a participant before enrollment in a clinical investigation. It must present, in clear and understandable language, the purpose of the study, the procedures involved, potential risks and benefits, alternative treatments, the participant's rights (including the right to withdraw at any time), data privacy protections, and contact information for the investigator and ethics committee. The ICF must comply with applicable regulations (such as 21 CFR 50 in the US, the EU MDR, or the Declaration of Helsinki), IRB/Ethics Committee requirements, and Good Clinical Practice standards. It must be written at an appropriate reading level for the study population and translated accurately for non-English-speaking participants. The consent process is a regulatory requirement and a fundamental ethical obligation in clinical research.
Expected Values Documentation
Expected Values Documentation establishes the expected measurement outcomes for an IVD device across different patient populations, clinical conditions, and specimen types. This includes reference intervals for healthy populations, expected value ranges for specific disease states, and clinically relevant decision points or thresholds that guide clinical interpretation of results. This documentation draws on reference interval studies, clinical performance data, published literature, and established clinical guidelines to define the values that healthcare professionals should expect when using the device. It is an important component of the device's labeling and instructions for use, helping to ensure that results are interpreted correctly in the clinical context. The documentation must account for demographic factors (age, sex, ethnicity) and specimen-specific variables that may affect expected values.
Reference Interval Studies
Reference Interval Studies establish the range of values expected for a particular analyte in a healthy reference population, providing the normal range against which patient results are interpreted. These studies must be conducted according to CLSI EP28 (now replaced by C28) or ISO guidelines and typically require testing a minimum of 120 reference individuals selected according to well-defined inclusion and exclusion criteria. The study design must address population demographics (age, sex, ethnicity), specimen collection and handling conditions, statistical methods for outlier detection and reference interval calculation (parametric or non-parametric), and partitioning criteria for subgroups. Reference intervals are critical for clinical decision-making and must be validated or verified for each laboratory and analytical platform. The resulting documentation supports the device's labeling claims and instructions for use.
Diagnostic Accuracy Studies
Diagnostic Accuracy Studies evaluate an IVD device's ability to correctly classify individuals as having or not having a target condition. Key metrics include diagnostic sensitivity (the proportion of true positives correctly identified), diagnostic specificity (the proportion of true negatives correctly identified), positive and negative predictive values, likelihood ratios, and overall diagnostic accuracy. These studies require a well-defined reference standard (gold standard) for determining the true disease status of participants, an appropriate study population representing the intended use population, and a sufficient sample size to achieve adequate statistical precision for the reported performance metrics. Diagnostic accuracy studies must follow STARD (Standards for Reporting Diagnostic Accuracy Studies) guidelines and are a central component of the clinical performance evaluation under the IVDR.
Benefit-Risk Analysis
A Benefit-Risk Analysis is a systematic evaluation that weighs the clinical benefits of a medical device against its risks and the risks associated with alternative treatments. It considers the severity and probability of known and foreseeable risks, the nature and extent of the clinical benefits, the risk-benefit profiles of alternative devices and treatments, and the acceptability of the overall residual risk in the context of the intended patient population. The benefit-risk analysis is a central element of the clinical evaluation and regulatory submissions under all major frameworks (EU MDR, FDA). It must be based on current clinical evidence and must be updated as new data emerges from post-market surveillance. The analysis requires both quantitative assessment (where possible) and qualitative clinical judgment, and must clearly articulate the rationale for concluding that the benefits outweigh the risks for the intended patient population and clinical indications.
1 . Design & Feasibility Assay concept & design
2 . Analytical Validation Performance testing
3 . Clinical Performance Study conduct & data
4 . Submission / CE Mark IVDR Tech File / 510(k)
5 . Post-Market Performance follow-up
Post-Market Performance Follow-Up — Continuous Obligation
Post-Market Ongoing requirement
◆ Post-Market Performance Follow-up Report
Post-Market Performance Follow-up (PMPF) Plans and Reports are the IVD equivalents of PMCF Plans and Reports for medical devices. The PMPF Plan defines the proactive approach for collecting and evaluating performance data on an IVD device after it is placed on the market, while the PMPF Report presents the findings of these activities. The PMPF framework addresses specific IVD concerns including ongoing analytical and clinical performance monitoring, surveillance for assay drift, evaluation of new clinical applications, monitoring of the device's performance relative to evolving clinical guidelines, and assessment of performance with new specimen types or patient populations. The PMPF Plan and Report are integral to the IVDR post-market surveillance framework and feed directly into PER updates and PSUR preparation.
Post-Market Performance Follow-up Plan
Post-Market Performance Follow-up (PMPF) Plans and Reports are the IVD equivalents of PMCF Plans and Reports for medical devices. The PMPF Plan defines the proactive approach for collecting and evaluating performance data on an IVD device after it is placed on the market, while the PMPF Report presents the findings of these activities. The PMPF framework addresses specific IVD concerns including ongoing analytical and clinical performance monitoring, surveillance for assay drift, evaluation of new clinical applications, monitoring of the device's performance relative to evolving clinical guidelines, and assessment of performance with new specimen types or patient populations. The PMPF Plan and Report are integral to the IVDR post-market surveillance framework and feed directly into PER updates and PSUR preparation.
Post-Market Performance Studies
Post-Market Performance Follow-up (PMPF) Plans and Reports are the IVD equivalents of PMCF Plans and Reports for medical devices. The PMPF Plan defines the proactive approach for collecting and evaluating performance data on an IVD device after it is placed on the market, while the PMPF Report presents the findings of these activities. The PMPF framework addresses specific IVD concerns including ongoing analytical and clinical performance monitoring, surveillance for assay drift, evaluation of new clinical applications, monitoring of the device's performance relative to evolving clinical guidelines, and assessment of performance with new specimen types or patient populations. The PMPF Plan and Report are integral to the IVDR post-market surveillance framework and feed directly into PER updates and PSUR preparation.
PSUR for IVD
The Periodic Safety Update Report for medical devices is required under the EU MDR for Class IIa, IIb, and III devices. It provides a comprehensive summary and analysis of post-market surveillance data collected over a defined period, including a benefit-risk assessment and an evaluation of whether the device continues to meet the applicable General Safety and Performance Requirements. The PSUR must be prepared at least annually for Class III and implantable devices and at least every two years for Class IIa and IIb devices. It includes analysis of complaint and adverse event data, results of any PMCF activities, relevant literature findings, field safety corrective actions, and manufacturing quality data. The PSUR is submitted through EUDAMED and is reviewed by Notified Bodies and competent authorities as part of their ongoing market surveillance activities.
Trend Reports
Trend Reports analyze patterns and trends in post-market data over time for medical devices and IVD products. These reports evaluate complaint data, adverse event reports, product performance metrics, and other quality indicators to identify statistically significant increases in event rates, emerging failure modes, or other trends that may warrant corrective action. Trend analysis is a regulatory requirement under the EU MDR/IVDR and FDA quality system regulations (21 CFR 820.250(b)). The reports must include defined trending methodologies, statistical tools for identifying significant deviations, and threshold criteria for escalation. When trends are identified, the reports document the investigation, root cause analysis, and any corrective or preventive actions taken. Trend reports feed into the broader post-market surveillance system and the periodic safety reporting cycle.
Vigilance Reports
Vigilance Reports are regulatory submissions that notify competent authorities of serious incidents or near-incidents involving medical devices or IVD products on the market. Under the EU MDR/IVDR, manufacturers must report any serious incident that has led or might have led to the death or serious deterioration of health of a patient, user, or other person, as well as any statistically significant increase in the frequency or severity of non-serious incidents. The vigilance reporting system is a cornerstone of post-market safety monitoring. Reports must include detailed descriptions of the incident, the devices involved, patient outcomes, root cause analysis (where available), and any corrective or preventive actions taken or planned. Reporting timelines are strictly defined (ranging from immediate to 15 days depending on severity and urgency) and failure to report is a significant regulatory violation.
Field Safety Corrective Action
A Field Safety Corrective Action is an action taken by a manufacturer of a medical device or IVD to reduce a risk of death or serious deterioration of health associated with a device that is already placed on the market. FSCAs may include device recall, modification, exchange, destruction, retrofit, changes to labeling or instructions for use, or advice on the use of the device. The FSCA documentation includes an assessment of the issue, the rationale for the corrective action, the scope of affected devices (lot numbers, serial numbers, distribution data), the specific actions to be taken, a timeline for implementation, and communication plans. The FSCA must be reported to competent authorities through the vigilance reporting system, and a Field Safety Notice must be issued to inform users and patients of the corrective action.
Field Safety Notice
A Field Safety Notice is a communication sent by a manufacturer to customers, users, and healthcare professionals to inform them of a Field Safety Corrective Action related to a medical device or IVD. It provides details about the safety issue, the affected devices, any recommended actions for users (such as quarantining devices, performing additional testing, or monitoring patients), and contact information for the manufacturer. Field Safety Notices must be clear, concise, and actionable, enabling recipients to quickly understand the issue and take appropriate steps. They must be submitted to competent authorities for review (often before distribution) and are typically distributed via registered mail or other traceable communication channels. The notice must reach all affected users and healthcare professionals and should be written in the appropriate languages for each market.
Complaint Trend Analysis
Complaint Analysis Reports present the systematic evaluation of customer complaints received about a medical product during a defined period. They categorize complaints by type, severity, frequency, and product family; identify the most common complaint themes; evaluate individual complaints that may constitute reportable adverse events or device malfunctions; and assess whether complaint patterns indicate potential design, manufacturing, or labeling issues. These reports are required under quality system regulations and serve as a key input to the post-market surveillance system, risk management process, and CAPA (Corrective and Preventive Action) system. They must demonstrate that each complaint has been appropriately investigated, that reportable events have been identified and submitted to regulatory authorities, and that trends have been analyzed for potential systemic issues requiring corrective action.
Performance Deviation Reports
Performance Deviation Reports document instances where an IVD device's performance deviates from its established specifications or expected behavior. These deviations may include systematic measurement biases, unexpected interference effects, calibration drift, reagent stability issues, or other performance anomalies identified through quality control monitoring, complaint analysis, or post-market surveillance. Each report includes a description of the deviation, the affected products and lots, the root cause investigation, the impact assessment (including any potential impact on clinical decisions made using affected results), and corrective and preventive actions. Performance deviation reports are critical for maintaining the integrity of IVD testing and may trigger Field Safety Corrective Actions, labeling updates, or customer notifications depending on the severity and clinical significance of the deviation.
PER Updates
Updates to Clinical Evaluation Reports, Performance Evaluation Reports, Summaries of Safety and Performance, and Summaries of Safety and Clinical Performance are periodic revisions required to incorporate new clinical evidence, post-market surveillance data, safety information, and changes in the state of the art. These updates ensure that the device's regulatory documentation remains current and reflective of the latest available evidence. Update frequency is defined by the applicable regulatory framework (e.g., at least annually for Class III medical devices under the EU MDR) and must also be triggered by significant new information such as new clinical study results, PMCF findings, safety signals, or changes to the device or its intended use. Each update requires a systematic review of new evidence, reassessment of the benefit-risk profile, and revision of conclusions where warranted. The updated documents must be submitted to Notified Bodies and made available through EUDAMED as required.
SSP Updates
Updates to Clinical Evaluation Reports, Performance Evaluation Reports, Summaries of Safety and Performance, and Summaries of Safety and Clinical Performance are periodic revisions required to incorporate new clinical evidence, post-market surveillance data, safety information, and changes in the state of the art. These updates ensure that the device's regulatory documentation remains current and reflective of the latest available evidence. Update frequency is defined by the applicable regulatory framework (e.g., at least annually for Class III medical devices under the EU MDR) and must also be triggered by significant new information such as new clinical study results, PMCF findings, safety signals, or changes to the device or its intended use. Each update requires a systematic review of new evidence, reassessment of the benefit-risk profile, and revision of conclusions where warranted. The updated documents must be submitted to Notified Bodies and made available through EUDAMED as required.

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Today, Criterion Edge has grown into a recognized leader, trusted by clients ranging from ambitious start-ups to some of the largest companies in the world, but our dedication to quality, scientific rigor and regulatory excellence has not changed.

LM
Laurie Mitchell, MN President & Founder

Local Expertise, Global Coverage

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Learn More About Criterion Edge →

A Team of Experts at Your Service

Medical Writers

PhD’s, MD’s, Scientists, Researchers

Project Oversight

Principal Writer / Strategic Leadership

Project Management

Project Manager

Literature Review Team

Medical Librarian, Clinical Evidence Experts

Quality Assurance

Quality Assurance Manager

Why Criterion Edge

Expertise

Achieve high-quality, compliant written deliverables with our deep bench of seasoned regulatory writers and medical librarians with specialized degrees and extensive therapeutic area knowledge.

Collaboration

Experience our collaborative and partner-centric approach that blends your insights with our expert writing services to produce tailored regulatory documentation.

Quality

Reduce revisions and accelerate approval timelines with our rigorous quality control processes and experienced writers that produce superior drafts meeting global regulatory standards.

Flexibility

Take advantage of our flexible staffing model that scales to match project demands, providing the regulatory experts required to meet your evolving needs without delay.

How We Exceed Your Expectations

1
Project Scoping & Planning

Define scope, outline timelines for deliverables, clarify roles and responsibilities, and establish communication channels with SMEs.

2
Document Development

Focused document development with proactive timeline management and collaborative engagement with stakeholders and SMEs.

3
Review Process

Roundtable leadership, management of action items, and structured review reminders to keep everything on track.

4
Finalization & Delivery

Client-tailored close out process ensuring every deliverable meets your standards and regulatory requirements.

Talk to an Expert

Whether you’re navigating a complex regulatory submission, preparing for an audit, or exploring outsourced support — our team is here to help.

Get In Touch →
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