Good Laboratory Practice (GLP): A Comprehensive Overview of the techniques adopted in GLP with respect to Quality Assurance

Khan Adil Ahmed*, Dr. G.J. Khan

J.I.I.U’S Ali-Allana College of Pharmacy Akkalkuwa, Dist.- Nandurbar (425415) Maharashtra, India.

Abstract: Good Laboratory Practice (GLP) is a set of internationally recognized principles that ensure the quality and integrity of non-clinical laboratory studies conducted for regulatory purposes. This review article provides an overview of GLP, its history, principles, and current perspectives. The article also discusses the importance of GLP in the drug development process, the regulatory frameworks that govern GLP, and the future directions of GLP. Keywords: Academic Health Centers; Software; Laboratory Management; Guidance; Good Laboratory Practice; Quality Assurance.

Corresponding Author: Khan Adil Ahmed   Email ID: kadil2406@gmail.com      Contact No:  7718989244

Article History Received:        22/09/2023 Accepted:        13/10/2023 Published:       01/11/2023

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTRODUCTION:

Good Laboratory Practice (GLP) is a quality assurance system that is widely used in non-clinical laboratory studies conducted for regulatory purposes. The principles of GLP were first established in the 1970s in response to concerns about the quality and reliability of laboratory data submitted to regulatory authorities(2). Today, GLP is a fundamental requirement for non-clinical laboratory studies conducted for the development of pharmaceuticals, chemicals, and other products.

1. "Good Laboratory Practice (GLP) is a quality system concerned with the organizational process and the conditions under which non-clinical health and environmental safety studies are planned, performed, monitored, recorded, archived, and reported" (OECD, 1998).

2. "Good Laboratory Practice (GLP) is a quality system concerned with the organizational process and the conditions under which non-clinical health and environmental safety studies are planned, performed, monitored, recorded, archived, and reported" (FDA, 2018).

3. "Good Laboratory Practice (GLP) is a set of principles intended to assure the quality and integrity of non-clinical laboratory studies that are intended to support research or marketing permits for products regulated by government agencies" (ICH, 1997). Everyone makes mistakes, so that's why GLP is necessary. Even if you are not required to follow the standards, it's always a good idea to follow GLP principles. Say what you do (with written standard operating procedures), do what you say (follow the procedures), and be able to prove it (with good record keeping). The principles of good laboratory practice (GLP) are intended to aid in the development of high-quality and credible test data for determining the safety of chemicals and chemical products. Hence, GLP strives to reduce the possibility of errors or confusions by extensive and detailed labelling standards. The registered data can be given by proving the application of the proper item in the specified quantities to the relevant test systems.

History of GLP:

The FDA established GLP as an official regulation in 1978. The OECD (Organization for Economic Co-operation and Development) Principles of Good Laboratory Practice were developed initially by an Expert Group on GLP established in 1978 under the Special Programme on Chemical Control.The work of the Expert Group, which was led by the United States and comprised experts from the following nations and organizations: Australia, Austria, Belgium, Canada, Denmark, France, the Federal Republic of Germany, Greece, Italy, Japan, the Netherlands, New Zealand, Norway, Sweden, Switzerland, provided the foundation for the work of the GLP regulations that are recognized as international standards for non-clinical laboratory studies published by the US Food and Drug Administration in 1976. After the United States, several nations eventually created GLP regulations in their own jurisdictions(1).

The OECD Council officially recommended the GLP Principles for use in member countries in 1981. They were established as an essential component of the Council Decision on Mutual Acceptance of Data in Chemical Assessment, which states that "data denoted in the testing of chemicals in an OECD member country in accordance with OECD Test Guidelines and OECD Principles of Good Laboratory Practice shall be accepted in other member countries for the purposes of assessment and other uses relating to the protection of man and the environment(2).

The OECD's work on chemical safety is held through the Environmental Health and Safety Division. The Environmental Health and Safety Division issues available Modern Approaches to Quality Control 36 documents in six series: Pesticides; Risk Management; Chemical Accidents; and Harmonization of Regulatory Oversight in Biotechnology are some of the topics covered in this course. There are many national guidelines setting Good Laboratory Practice, the one guideline that is most universally accepted by the various national guidelines is the regulation of GLP through the Principles of Good Laboratory Practice of the Organization of Economic Cooperation and Development (OECD), since these have been discussed by an international panel of experts and have been agreed on at an international level; they also form the basis for the OECD Council Decision/Recommendation on the Mutual Acceptance of Data in the Assessment of Chemicals which has to be regarded as one of the cornerstone agreements amongst the OECD member states with regard to trade in chemicals and to the removal of non-tariff barriers to trade. Besides the utilization of the OECD Guidelines for the Testing of Chemicals, they restated the application of GLP Principles and the establishment of consorted national GLP compliance monitoring programmes as necessary parts of the mutual acceptability of data. The working group of experts who had created the OECD Principles of Good Laboratory Practice also proceeded to inform and publish guidance for the Monitoring Authorities with regard to the introduction of procedures essential for the monitoring of industry's compliance with these Principles, as well as guidance with respect to the actual conduct of the necessary control activities such as laboratory inspections and study audits.

Principles of GLP:

Good Laboratory Practice (GLP) is a set of guidelines and regulations that are designed to ensure the quality and integrity of non-clinical laboratory studies. These studies are conducted to evaluate the safety and efficacy of chemicals, drugs, and other products, as well as to understand their potential impacts on the environment(4).

The principles of GLP cover a wide range of topics, including study design, documentation, data analysis, and quality control. In this essay, I will discuss these principles in detail and explain why they are essential for ensuring the reliability and credibility of non-clinical laboratory studies.

1.      Study Design

The first principle of GLP is to ensure that non-clinical laboratory studies are designed and conducted in a manner that allows for accurate and reliable results. This includes ensuring that the study is well-designed, with clear objectives, appropriate controls, and sufficient statistical power. The study design should be described in a written protocol, which should be reviewed and approved by the study sponsor, as well as the study director and other relevant personnel.

2.      Personnel

The second principle of GLP is to ensure that the personnel conducting the study are qualified and trained to perform their duties. This includes having appropriate education, training, and experience in their respective areas of expertise, as well as receiving ongoing training to ensure that they stay up to date with the latest procedures and techniques. Personnel should be well-informed of the study protocol, standard operating procedures (SOPs), and other relevant documentation, and should adhere to these guidelines throughout the study.

3.      Facilities

The third principle of GLP is to ensure that the facilities in which the study is conducted are appropriate for the type of study being conducted. This includes ensuring that the facilities are equipped with appropriate instruments, equipment, and other resources, and that they are maintained in a clean, orderly, and secure manner. Facilities should also be designed and maintained to prevent contamination or cross-contamination of test substances or test systems.

4.      Standard Operating Procedures

The fourth principle of GLP is to ensure that all procedures and processes used in the study are documented in written SOPs. These SOPs should provide detailed instructions for all aspects of the study, including sample handling, analysis, and reporting. SOPs should be reviewed and approved by the study director, and any deviations from SOPs should be documented and explained.

5.      Documentation

The fifth principle of GLP is to ensure that all study data and results are accurately documented and reported. This includes maintaining a comprehensive record of all study procedures, data, and results, as well as any deviations from the study protocol or SOPs. All study documentation should be archived and retained for a period of time specified by regulatory authorities.

6.      Quality Control

The sixth principle of GLP is to ensure that appropriate quality control procedures are in place throughout the study. This includes the use of appropriate controls, regular calibration and maintenance of equipment, and the validation of test methods. Quality control procedures should be documented and reviewed regularly to ensure that they are effective and consistent with regulatory requirements.

7.      Data Analysis and Reporting

The seventh principle of GLP is to ensure that all study data are analyzed and reported in a manner that is clear, accurate, and reliable. This includes ensuring that statistical analyses are appropriate for the type of data being analyzed, and that all results are reported in a manner that is consistent with the study protocol and regulatory requirements. Study reports should be reviewed and approved by the study director, and any inconsistencies or discrepancies should be documented and explained (2).

Future Directions of GLP:

The field of Good Laboratory Practice (GLP) is constantly evolving to keep pace with changes in technology and scientific understanding. Here are some possible future directions for GLP:

1.      Integration with emerging technologies: As new technologies such as artificial intelligence, machine learning, and big data become more prevalent in laboratory studies, GLP guidelines will need to be updated to ensure that they are applied appropriately. GLP will need to work closely with other regulatory bodies to develop guidelines for the use of these technologies in laboratory studies(3).

2.      Focus on data management and analysis: With the increasing complexity of laboratory studies and the massive amount of data generated, GLP will need to focus more on data management and analysis. This includes developing guidelines for data storage, sharing, and analysis, as well as ensuring the accuracy and completeness of data.

3.      Greater emphasis on risk assessment: GLP may place greater emphasis on risk assessment in the future, to identify potential hazards and risks associated with laboratory studies. This may include developing guidelines for hazard identification, risk evaluation, and risk management.

4.      Incorporation of sustainability: As the world becomes more focused on sustainable development, GLP may incorporate guidelines for sustainable practices in laboratory studies. This includes guidelines for reducing waste, minimizing environmental impact, and promoting sustainable practices in laboratory operations.

5.      Development of new standards: As the field of laboratory studies continues to evolve, new standards and guidelines may need to be developed to ensure that GLP remains relevant and effective. This may include standards for emerging areas of research, such as nanotechnology or gene editing.

 

Independence of QA

The QA personnel should be under the direct responsibility of the Test Facility Management (TFM) and should not have any role in the studies they inspect. If QA personnel are involved in other activities within the facility, such as management of Standard Operating Procedures or calibration and maintenance, these activities should be inspected by an independent person appointed by TFM. For small test facilities or those with infrequent GLP activities, TFM must dedicate at least one person, even part-time, for coordination of the QA function. It is acceptable for individuals involved in the conduct of studies to perform the QA function for GLP studies in other departments as long as there is no link to their own studies within the test facility and there is a clear reporting line direct to TFM. The independence of QA personnel should always be ensured and demonstrated, and independent inspections should not have any hierarchical link between the auditor and the auditee.

TFM is responsible for appointing designated personnel for the QAP and allocating appropriate resources to QA. QA personnel must have access to different levels of management, and their tasks should not compromise their independence or involve them in the direction and conduct of studies. Inspection results should be promptly reported to TFM, and a summary of planned QA activities and achievements should be presented regularly. TFM is responsible for ensuring appropriate resources for studies and should not have any QA role.

The study director must ensure effective communication with QA personnel during the study, and provide them with a copy of the study plan and any amendments in a timely manner. QA should schedule inspections based on the up-to-date version of the master schedule, and identify the critical phases of the study. Active involvement of QA personnel is necessary at all stages of the study. If deviations from GLP Principles, study plans or SOPs are detected during inspections, QA personnel should document observations and communicate them to the study directors. Study directors must receive inspection reports and respond promptly with corrections.(5)

1. Training of QA personal:

QA personnel having a thorough understanding of GLP principles, as well as the relevant test procedures, study plans, and standards. It is recommended that QA personnel have training in methods and tools for conducting thorough inspections, as well as communication and social skills. TFM (Test Facility Management) is responsible for ensuring that there is a documented training program for QA personnel, which should include on-the-job experience and attendance at relevant seminars and courses. The training of QA personnel must be documented and kept up-to-date.

Quality Assurance Program (QAP) in test facilities to ensure compliance with GLP principles. The QAP should include inspections by QA personnel, who should maintain SOPs for planning, scheduling, and documenting inspections. The GLP Principles specify three types of inspections: study-based inspections, facility-based inspections, and process-based inspections. Adopting a risk-based approach to the QAP can help in determining the type, frequency, and scope of inspections to be carried out. Risk assessment can be used to identify potential issues and impact on GLP compliance, and a QAP should be designed and implemented accordingly. The text also emphasizes the need for documentation and evaluation of the risk assessment process and output.

2. Risk manegment:

TFM has the responsibility of ensuring that a risk assessment is conducted and approved. The risk assessment process involves considering various factors such as the risks to GLP compliance, activities performed in the test facility, problems that may occur during any activity, the probability of such problems occurring, their detectability, and the impact on GLP compliance. The history of the test facility can be used to identify risks by analyzing previous deviations, weaknesses associated with activities, root cause analyses of events, and corrective and preventive actions plans. After identifying the risks, TFM should put controls in place to mitigate and detect them, which can reduce the risk of compromising GLP compliance and support a reduced frequency or different scope of QA monitoring. The risk assessment process helps identify the areas of highest residual risk, which are likely to be subject to the most frequent QA inspections. However, areas of lower risk still need to be inspected, but the frequency or depth of inspections may be reduced. Periodic review of the risk-based QAP is expected, taking into account changes in the test facility such as increased volume of work, new technologies, changes to key personnel, and new regulations or guidance documents. For larger test facilities, it may be appropriate to consider risks on a departmental or specific area basis to allow for differences in approach at a local operational level.

3. Verification of study plan:

The process of verifying the study plan is necessary to ensure that it contains all the required information and meets the GLP Principles. This verification should be defined in a Standard Operating Procedure (SOP) and the results should be documented in an inspection report or other relevant documentation. It is recommended that the verification of the study plan is conducted before the start of the study or at least before the experimental starting date. Any amendments to the study plan should be verified in the same manner as the original plan. The study plan can also be used to plan inspections, identifying the critical experimental phases of the study to be inspected in cooperation with study directors. QA should retain a copy of the approved study plan, any amendments, and all relevant SOPs during the study.

For short-term studies using general study plans, it may be appropriate to verify the plan periodically based on a risk-based approach, rather than for each study. In such cases, study-specific supplements, containing details of the test item, conditions of its application, identities of the study director and sponsor(s), and the study calendar, should be issued as a supplementary document requiring only the dated signature of the designated study director. These study-specific supplements should also be verified by QA. The general plan and the supplement together form the unique study plan.

4. Study-based inspections:

The quality of Good Laboratory Practice (GLP) studies should be overseen by QA personnel through inspections conducted throughout the duration of the study. The selection and frequency of inspections should be based on the chronology of the study and the associated risks. The focus should be on the activities that present the greatest risk for the compliance of the study, and the identification of such phases should be made in cooperation with the study director or another scientist/technical expert who has an in-depth understanding of the methodology used. The level of QA oversight required may vary from study to study depending on length and complexity, and emphasis should always be placed on inspecting the activities associated with the highest risk. If not all the experimental phases are inspected, the consolidated planning of the inspected phases should be arranged in a way that all the types of experimental phases are inspected in a defined period. To develop an effective inspection program, critical phases that are essential to maintaining the quality, validity, and reliability of the study should be identified. This includes unusual or new technical procedures, unusual test items, and overarching procedures used to conduct and manage the study. QA personnel should have specific knowledge and training relevant to the critical phases being inspected, and physical presence at the location where the inspected activity is conducted is essential. Inspections of the experimental phases should verify that the study plan, its amendments, and relevant SOPs have been made available to study personnel in the location where the phase is conducted, and that the instructions in the study plan, its amendments, and SOPs are followed by the study personnel. Inspections are also opportunities to check the way raw data are recorded by study personnel and to inspect the resources used in the experimental phase.

5. Inspection of study report:

The Good Laboratory Practice (GLP) Principles require that all final study reports claiming GLP compliance should be inspected by Quality Assurance (QA) personnel. The main objective of this inspection is to ensure that the study was conducted in accordance with the study plan, amendments, and Standard Operating Procedures (SOPs) and that any discrepancies are documented as deviations and communicated to the study director. Additionally, the report should accurately describe the methods and procedures used in the study, reflect the raw data, and contain all the elements required by the GLP Principles and requested in the study plan and amendments. QA personnel should have access to all the documentation, raw data, and study materials required for the inspection. It is recommended that the inspection is carried out when all raw data have been gathered, quality control checks completed, no more major changes are intended, and the sponsor's comments, if any, have been addressed by the study director. Any changes made to the study report after the inspection must be communicated to QA. For short-term studies, a single general study report may be prepared containing the majority of generic information required in such a report. The general study report should be periodically inspected by QA personnel, and any study-specific supplements should be systematically inspected.

The quality assurance (QA) procedures for inspecting raw data should be clearly defined in a Standard Operating Procedure (SOP) to ensure that the raw data is thoroughly examined at different stages of the study. The inspection process may begin during the experimental phase or process-based inspections, and the final inspection of the raw data should occur at the draft report stage, once all quality control checks have been completed. To verify the quality, integrity, and completeness of the raw data, several considerations should be taken into account. First, the raw data should conform to the requirements of the GLP Principles, and the format of the raw data recording should be retainable. Second, a risk assessment may identify the minimum percentage or sample size of raw data to be inspected in a study, and these procedures should include rules for sample selection and instructions in case errors are detected. Third, any modifications to raw data should be signed, dated, and justified, with a focus on justifications for changes made after the original data input. Fourth, the extent of the inspection of raw data should be based on a risk-based approach and may depend on the nature of the systems used to capture, generate, analyze, transfer, and store study raw data. Finally, QA should not correct or modify raw data, nor should any stamps or marks be used on the raw data or copies of it. It is essential to formalize the inspection of raw data to ensure that all necessary checks are carried out. However, QA should avoid using any practices that modify or cover the original raw data. By adhering to these guidelines, the inspection process of raw data will be more reliable, and the results of the study will be more accurate.

6. Facility and process-based inspections:

Facility and process-based inspections are essential in verifying compliance with Good Laboratory Practice (GLP) and applicable Standard Operating Procedures (SOPs). These inspections are conducted independently of specific studies, with the purpose of monitoring study phases or procedures, or systems relevant to studies. Process-based inspections are designed to oversee routine activities, minimizing Quality Assurance (QA) resources while providing oversight for a number of studies. The types of activities that may be covered by process-based inspections include test item administration, specimen collection, inoculation of cell lines, and sample preparation procedures. Decisions on inspection frequency should take into account the implications for compliance if the process fails and be assessed on a case-by-case basis. Factors used to establish an appropriate inspection frequency include the risks associated with the activity, compliance history, quality control procedures, and criticality of the activity to the study outcome or test facility's operations. The frequency and complexity of the activity are important determining factors, as are the number of operators performing the activity and their experience. One of the key challenges for a process-based inspection program is ensuring that observations are representative of actual occurrences. Combining study-specific and process-based inspection programs is an acceptable practice, allowing QA to focus resources on high-risk activities associated with a study. Routine activities that are common to several different types of studies can also be subject to a process-based inspection that does not distinguish between study types. In summary, facility and process-based inspections play a crucial role in ensuring compliance with GLP and SOPs, and their effective implementation involves taking several factors into account.

Facility-based inspections are essential in ensuring that test facilities are appropriate for their intended purposes and are adequately maintained. These inspections encompass the overall facilities and activities within the test facility, and may include non-study specific activities such as equipment maintenance and calibration. The scope of these inspections is broad and includes aspects such as management, personnel training, study management, equipment adequacy and maintenance, computerized systems validation and use, test systems management, and archiving. The frequency, nature, and extent of facility-based inspections may be determined by a documented risk assessment. For example, low-risk activities may require fewer and less in-depth inspections, while high-risk activities may necessitate more frequent and extensive inspections. When assessing risk, it is important to consider how different GLP areas operate independently within the same test facility. Risk assessments should also take into account differences in procedures and levels of criticality among various areas within the facility. Ultimately, facility-based inspections are critical in ensuring that test facilities operate in accordance with GLP principles and regulations. Regular inspections help to identify and mitigate compliance issues, ensuring the accuracy, reliability, and integrity of study results. By identifying and addressing potential compliance issues before they become problematic, facility-based inspections play an important role in upholding the principles of good laboratory practice.

7. Verification of the management of the QAP and Required material for the conduct of the inspections:

The verification of the Quality Assurance Program (QAP) is an essential aspect of ensuring compliance with the Good Laboratory Practice (GLP) Principles. As with any other GLP activity, the functioning of the QAP should be subject to verification by the Test Facility Management (TFM). TFM should have internal processes in place to continuously monitor the effectiveness of the QAP, including an internal assessment procedure. Relying solely on external auditing or regulatory inspection results is not sufficient. Inspections of QA activities, conducted by trained individuals independent of GLP QA, can be used to verify the QAP periodically. Both QA personnel and TFM should be able to justify the methods used for the conduct and oversight of the inspection program. In addition, certain materials should be readily available upon request to QA personnel for scheduling and conducting inspections, including an up-to-date version of the master schedule, study plans, applicable SOPs, generated study materials (such as raw data, samples, and specimens), and documentation on the study environment and resources used, personnel and training, and validation records of computerized systems (including spreadsheets)

8. QA inspection reports and Communication of the inspection report:

The QA inspection report is a crucial document that summarizes the results of an inspection. It should include details about the scope of the inspection, standards used, dates, and full identification of the study. Additionally, it should contain details about the nature of the inspected areas and/or activities, as well as the results of the inspection. The findings should be clearly described so that they are understood by the auditees, and the name(s), signature(s) of the auditor(s), and the date the report is issued should be included. The report should provide an accurate record of the inspection performed, and the level of detail should be sufficient to enable retention of a comprehensive record. Communication of the report should be prompt, and QA should promptly report study-based inspection results in writing to TFM and the study director. Facility-based inspection results should be reported to TFM, and all study directors should be informed of the outcomes of each facility-based inspection to assess the potential impact on their studies. Process-based inspection results should also be reported to TFM and all relevant study directors. In case of detection of findings that could jeopardize the GLP compliance of the studies or the test facility, it is highly recommended that such findings are immediately communicated even before a formal inspection report is issued. The effective date of transmission to the study director and to TFM of each inspection report should be recorded and those records retained. Although checklists can be useful tools, they should not prevent the auditor from adapting the scope of the inspection.

9. Response to the inspection report:

The process of conducting inspections in the context of Good Laboratory Practice (GLP) regulations requires that findings identified during a study or process-based inspection are properly addressed. In order to ensure this, the study director must take responsibility for responding to the findings. For facility-based inspections, the Test Facility Management (TFM) is the most suitable authority to ensure that the findings are addressed in a timely manner, and a maximum response time may be defined in the Standard Operating Procedures (SOPs) to ensure timely responses. In the case of study-related inspections, the study director has a number of responsibilities. These include ensuring that answers are provided to Quality Assurance (QA) findings, deciding on corrections to the findings, proposing a schedule to ensure that study-related findings are corrected within the study timelines, and assessing the impact of the QA findings on the validity of the study. Corrective and preventive actions may be proposed in response to an inspection report to prevent similar findings from reoccurring. If necessary, TFM should approve the answers proposed by the study director, especially in cases where the implementation of new resources or modifications in the SOPs is required. Responses to the inspection reports should be transmitted back to QA so that they can verify that all the outcomes of the inspection are addressed, and evaluate the proposed solutions for compliance with GLP Principles. For the inspection of the final study report, procedures must be established so that QA is made aware of all additions or changes made to the study data and report during the inspection phase. QA should ensure that all issues raised in the QA inspection have been appropriately addressed in the final study report and that no changes to the study report have been made which would require a complementary inspection. It is essential that any corrections to findings that may jeopardize the GLP compliance of the study are implemented before the issuance of the QA statement in the final study report.

10. SOP for QA

Standard operating procedures (SOPs) for quality assurance (QA) should clearly outline the different activities that are part of the quality assurance program (QAP), such as planning, scheduling, performing, documenting, and reporting inspections. These SOPs should be approved by the Test Facility Management (TFM). The SOPs can specify different types of inspections such as study-based, process-based, and facility-based inspections(5).

The SOPs should include requirements that every study must be inspected, and minimum parts of each study should be inspected. Additionally, the scope of inspections should be clearly defined and, if necessary, an exhaustive list of the scopes should be provided. A detailed description of the areas to be covered and the depth of verification for each scope of inspection should also be included in the SOPs. The planning and scheduling of inspections should include the availability of an up-to-date master schedule of the studies, criteria for the selection of experimental phases to be inspected in a study, a definition of a critical phase, identification of experimental study phases that could be subjected to process-based inspections, frequencies of periodic inspections, and available tools to ensure the schedule and follow the realization of the program. The SOPs should also describe the available tools to assess the workload of QA. The performance of the inspection should also be described in the SOPs. The different steps of the inspection, from preparation to issuance of the inspection report, should be outlined. Depending on the scope of the inspection, the particular topics to be examined during the inspection can be described in the SOPs. The documentation and reporting of the outcomes of the inspection should also be addressed in the SOPs. A maximum time between the end of the inspection and the issuance of the inspection report may be defined, and a template for an inspection report can be supplied. The mechanism for transmission of inspection reports to TFM and the study director, timelines for response, and procedures for dealing with disagreements between QA and auditees should also be included in the SOPs. The process for verifying the corrections due to inspection outcomes and the rules for issuing QA statements to be included in the study reports should be described in the SOPs. The SOPs should also include the way of reporting the capability of the QAP to ensure its role in the GLP compliance of the studies and the test facility, and the means of verification of the QAP by TFM. The SOPs should also specify the competences, qualifications, and training required for QA personnel. Additionally, the archiving of QA documentation, rules or ways of communication between QA and the other GLP functions, and the management of QA in multi-site studies, as Lead QA and/or test site QA should be addressed in the SOPs. Overall, the SOPs for QA should be comprehensive and cover all aspects of the quality assurance program. They should be approved by TFM and followed by QA personnel to ensure the proper functioning of the QAP and to maintain GLP compliance in studies and the test facility.

11. Documentation and record:

The documentation and records of the QAP activities, including all inspection reports, should be properly stored and managed by the archivist. This may include verifying study plans and their amendments, QAP schedules, reporting tools, training files of QA personnel, and computer system validation files used by QA. Retired or replaced QA SOPs must also be kept. While QA notes are not considered raw data, they may need to be retained if the level of detail in the inspection reports or other information is insufficient to reconstruct QA activities. To maintain confidentiality, the QA file specific to a study may be archived separately from the study file to prevent its transfer from the test facility archives to the sponsor at the end of the retention period. This is particularly important when the test facility and sponsor do not belong to the same organization. The QA statements are retained with the study reports, and their contents are critical to the overall integrity of the study report. The archivist must ensure that all the documentation related to the QAP activities and inspection outcomes are stored and managed as required.

CONCLUSION:

The independence of Quality Assurance (QA) is crucial for ensuring the integrity and reliability of data generated during research studies. A well-trained QA team can effectively manage risks and verify study plans, as well as conduct study-based and process-based inspections to ensure that all activities are performed according to pre-established protocols and standards. The inspection of study reports and facilities is an essential part of QA, as it provides a comprehensive view of the entire study process and enables identification of potential issues that could compromise the study's outcomes. The verification of the management of the QAP and required materials for the conduct of inspections ensures that the QA process is adequately resourced and can be executed efficiently.QA inspection reports and communication of the inspection report are also crucial components of the QA process, as they enable effective communication between the QA team, the study sponsor, and regulatory agencies. Response to the inspection report is equally important, as it demonstrates the commitment of the study team to addressing any issues identified during the inspection process.

To ensure consistency and standardization in the QA process, the development of SOPs for QA is critical. SOPs provide a clear framework for the execution of QA activities and ensure that all team members are aware of their roles and responsibilities. Documentation and record-keeping are also essential to demonstrate compliance with regulatory requirements and enable traceability of activities. In summary, QA is a critical component of research studies, and the independence of QA personnel is essential to ensure the integrity and reliability of data generated during the study. A well-trained QA team can manage risks, verify study plans, conduct inspections, and provide effective communication between the study team, sponsor, and regulatory agencies. SOPs, documentation, and record-keeping are also essential to ensure consistency and standardization in the QA process.

REFERENCES:

1.    Kapoor E, Sharma N, Joshi R, Medhi B. Impact of Organization for Economic Co-Operation and Development (OECD) principles of Good Laboratory practices (GLP) in India. Indian Journal of Pharmacology. 2021 Sep;53(5):353.

2.    Akyar I. GLP: Good laboratory practice. Modern Approaches To Quality Control. 2011 Nov 9:37-56.

3.    Milisavljevic M, Hearty T, Wong TY, Portales-Casamar E, Simpson EM, Wasserman WW. Laboratory Animal Management Assistant (LAMA): a LIMS for active research colonies. Mammalian Genome. 2010 Jun;21:224-30.

4.    OECD O. Principles on Good Laboratory Practice. Organisation for Economic Co-operation and Development, Paris. 1998.

5.    Organization for Economic Cooperation and Development. (2022). OECD Series on Principles of Good Laboratory Practice and Compliance Monitoring, Number 23 Advisory Document of the Working Party on Good Laboratory Practice on Quality Assurance and GLP. Retrieved from http://www.oecd.org/officialdocuments/displaydocument/?cote=env/cbc/mono(2022)20&doclanguage=en 2023 April;06