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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5482_Библиотеки_им_академика_М_И_Перельмана.pdf
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Basic Structure, Layout, Sections, and Activities of Pharmaceutical
Along with this, it is vital they pay attention to maintenance of
their facilities and premises so that there is no risk of product
contamination which may lead to damaging situations such as
a product recall. Having self-inspection programmes, regular
maintenance activity, and good housekeeping practices will
ensure that companies remain in compliance with regulatory
requirements.
QUALITY CONTROL AND QUALITY ASSURANCE
Quality is a critical factor in every industry as it directly
impacts the profitability derived from product sales.
However, the significance of quality in the pharmaceutical
field goes beyond financial considerations. Patient safety
is of paramount importance, which is why this industry is
subject to rigorous regulations. Any mistakes or flaws in the
manufacturing process can have severe and potentially life-
threatening consequences for patients. Hence, it is crucial that
pharmaceutical products adhere to strict regulatory standards
to ensure patient well-being.
In the pharmaceutical field, quality control (QC) and
quality assurance (QA) play crucial roles in ensuring the safety,
efficacy, and quality of pharmaceutical products. Here are their
definitions specific to the pharmaceutical industry:
Quality control (QC) in pharmaceuticals: Quality control in the
pharmaceutical field refers to the set of activities and procedures
performed to ensure that pharmaceutical products consistently
meet the established quality standards and specifications. It
involves monitoring and testing various aspects of the manu-
facturing process, starting from the raw materials to the final
finished products. Important activities in pharmaceutical QC
include:
Testing and analysis: QC involves rigorous testing and
analysis of raw materials, in-process samples, and finished
products to ensure compliance with predefined quality
standards. This includes various tests to assess the identity,
purity, potency, stability, and uniformity of pharmaceutical
products.
Introduction to Pharmaceutics
286
Standard operating procedures (SOPs): QC relies on well-
documented SOPs that outline the specific procedures
and methods for testing and analysis. These SOPs provide
clear instructions to ensure consistency and accuracy in
conducting tests.
Equipment calibration and maintenance: QC requires regular
calibration and maintenance of laboratory equipment to
ensure accurate and reliable test results. Equipment must
be validated and maintained according to established
procedures and guidelines.
Compliance with regulatory standards: QC activities in the
pharmaceutical field must adhere to relevant regulatory
guidelines and requirements. This includes compliance
with Good Manufacturing Practices (GMP) and other
applicable regulations.
Documentation and record-keeping: All QC activities must
be thoroughly documented and records maintained. This
includes recording test results, batch records, and any
deviations or corrective actions taken during the testing
process.
Quality assurance (QA): Quality assurance in the pharmaceutical
field refers to the systematic and planned activities imple-
mented to ensure that pharmaceutical products are manu-
factured, tested, and controlled in a consistent manner to meet
the required quality standards. QA encompasses all aspects
of the pharmaceutical quality system and extends beyond
the production process to include documentation, personnel,
facilities, and equipment.
Key activities in QA include:
Quality management systems (QMS): QA involves the
establish ment and maintenance of robust quality manage-
ment systems. This includes defining policies, procedures,
and guidelines that govern all quality-related activities
within an organization.
Auditing and compliance: QA includes regular internal and
external audits to ensure compliance with regulations, stan-
dards, and established procedures. Audits help identify
areas for improvement and ensure ongoing adherence to
quality standards.
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Basic Structure, Layout, Sections, and Activities of Pharmaceutical
Training and personnel qualification: QA emphasizes the
training and qualification of personnel involved in
manufacturing, testing, and quality control. Training
programs ensure that staff have the necessary knowledge
and skills to perform their roles effectively.
Change control: QA incorporates a formal change control
process to manage any changes to processes, equipment, or
materials that may impact product quality. Change control
procedures ensure that changes are properly evaluated,
docu mented, and implemented without compromising
quality.
Continuous improvement: QA fosters a culture of continuous
improvement by encouraging the identification and imple-
mentation of measures to enhance processes, reduce errors,
and improve overall quality performance.
Overall, the combination of quality control and quality
assurance activities is essential in the pharmaceutical industry
to ensure that the medicines produced are safe, effective, and
of the highest quality, protecting the health and well-being of
patients.
CURRENT GOOD MANUFACTURING PRACTICES
Current Good Manufacturing Practice (cGMP) is an essential
component of quality assurance (QA) in the pharmaceutical
industry. Its main objective is to ensure consistent production
and control of products to meet predetermined quality
standards. One of the primary focuses of cGMP is to mitigate
two inherent risks in pharmaceutical manufacturing:
Mix-ups and cross-contamination. Mix-ups occur when
materials are mistakenly interchanged, while cross-contami-
nation refers to unintended contamination of one product
batch by another.
Regulatory authorities in each country prescribe cGMP
guidelines, and according to the World Health Organization
(WHO), cGMP requires the following:
Clearly defined manufacturing processes that undergo
syste matic review and demonstrate the capability to
Introduction to Pharmaceutics
288
consistently produce pharmaceutical products of the
required quality, complying with specifications.
Qualification and validation processes are conducted.
Adequate resources are provided, including appropriately
qualified and trained personnel, suitable premises and
space, appropriate equipment and services, suitable
materials, containers, and labels, approved procedures
and instructions, proper storage and transportation, and
sufficient personnel, laboratories, and equipment for
in-process controls.
Instructions and procedures are written in clear and
unambi guous language, specifically applicable to the
provided facilities.
Operators are trained to carry out procedures correctly.
Comprehensive records are maintained during manu-
facturing, documenting adherence to defined procedures
and instruc tions, ensuring expected quantity and quality of
the product. Any significant deviations are fully recorded
and investigated.
Batch records for manufacture and distribution are retained
in an accessible and comprehensible form, enabling
traceability of the complete history of a batch.
Proper storage and distribution practices are implemented
to minimize any risk to product quality.
A system is in place to recall any batch of product from sale
or supply if necessary.
Complaints about marketed products are examined,
quality defects are investigated to identify their causes, and
appropriate measures are taken to prevent recurrence of
such defects.
Adhering to cGMP guidelines ensures the consistent pro-
duction of high-quality pharmaceutical products, safeguarding
patient safety and maintaining regulatory compliance.
Differences between QA and QC
QA (quality assurance) and QC (quality control) are two
distinct functions within a quality management system. While
both are essential for maintaining and improving product
quality, they have different focuses and responsibilities. Here
are the key differences between QA and QC:
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Basic Structure, Layout, Sections, and Activities of Pharmaceutical
Property QA QC
Definition and
Purpose
Quality assurance refers to a
set of activities that ensure
that quality requirements
are met throughout the
entire product lifecycle.
Its primary purpose is to
prevent defects and ensure
adherence to quality
standards and regulatory
requirements
Quality control involves
activities that measure,
monitor, and verify the
quality of products
or processes. Its main
purpose is to identify
and address deviations
or defects in finished
products through
inspection, testing, and
analysis
Objective To establish and maintain
processes, procedures, and
systems to ensure consistent
and reliable product quality.
It focuses on preventing
quality issues before they
occur
To evaluate and verify
the quality of products
or processes through
inspection, testing, and
analysis. It identifies and
addresses quality issues
after they occur
Responsibility QA is responsible
for developing and
implementing quality
systems, procedures, and
policies. It sets quality
standards, conducts
audits, and ensures
compliance with regulatory
requirements
QC is responsible for
executing quality
control activities such
as inspection, testing,
and analysis. It ensures
that products meet
predetermined quality
specifications and
requirements
Timing QA activities occur
throughout the entire
product lifecycle, from the
initial development stages
to post-market surveillance.
It is proactive and focused
on prevention
QC activities typically
take place during the
production process and
involve inspecting and
testing samples of finished
products. It is reactive and
focused on detection and
correction
Focus QA focuses on process
improvements, risk manage-
ment, documen tation,
training, and continuous
improve ment of the quality
management system
QC focuses on product
inspections, testing, and
analysis to ensure that
finished products meet the
desired quality standards
Introduction to Pharmaceutics
290
INTRODUCTION TO THE CONCEPT OF
CALIBRATION AND VALIDATION
In the pharmaceutical field, calibration and validation are
essential processes that ensure the accuracy, reliability, and
compliance of various instruments, equipment, methods,
and systems used in the production, testing, and analysis of
pharmaceutical products. These processes play a crucial role in
maintaining the quality, safety, and efficacy of pharmaceutical
products.
Calibration
Calibration refers to the process of comparing the measure-
ments or performance of an instrument or equipment against
a known standard. It involves adjusting or verifying the
accuracy of the instrument to ensure that it provides results
within acceptable limits. Calibration is typically performed
by using calibration standards or reference materials with
known properties. The purpose of calibration is to eliminate
or minimize any measurement errors or inaccuracies, thereby
ensuring the reliability and traceability of the measurements
obtained.
In the pharmaceutical industry, various instruments and
equipment require regular calibration, such as weighing scales,
temperature sensors, pH meters, spectrophotometers, and
analytical balances. Calibration ensures that these instruments
are functioning correctly and producing accurate and reliable
results. It is an important aspect of Good Manufacturing
Practices (GMP) and is often required by regulatory authorities.
In the pharmaceutical field, calibration is a critical
process that ensures accuracy and reliability of instruments,
equipment, and measuring devices used in various stages of
drug development, manufacturing, and quality control. The
following are the main types of calibration:
Instrument calibration: This type of calibration involves the
verification and adjustment of measuring instruments and
devices such as balances, pipettes, pH meters, spectro-
photometers, thermometers, and analytical instruments. It
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Basic Structure, Layout, Sections, and Activities of Pharmaceutical
ensures that the instruments provide accurate and reliable
measurements within specified tolerances.
Temperature calibration: Temperature calibration involves
verifying and adjusting temperature measuring devices
such as thermocouples, thermometers, and temperature
controllers. It ensures that temperature measurements
are accurate and consistent. Calibration is performed
using reference standards and temperature-controlled
environments.
Pressure calibration: Pressure calibration is carried out to
ensure the accuracy of pressure measuring devices such
as pressure gauges, transducers, and manometers. It
involves comparing the readings of the device with a
known reference standard to verify its accuracy. Pressure
calibration is critical in processes such as sterilization,
filtration, and fluid transfer.
Flow calibration: Flow calibration is performed on flow meters
and flow control devices to ensure accurate measurement
and control of fluid flow rates. It involves comparing the
flow meter readings with a calibrated reference device or a
known flow rate to determine its accuracy. Flow calibration
is important in processes like liquid dosing and granulation.
pH calibration: pH calibration is conducted to validate
the accuracy of pH meters and electrodes used in pH
measurement. It involves calibrating the pH meter using
buffer solutions with known pH values, typically at pH 4,
pH 7, and pH 10. This ensures that the pH meter provides
accurate pH measurements across its range.
Weighing balance calibration: Weighing balances used in
pharmaceutical manufacturing and quality control need to
be calibrated regularly to ensure accurate weighing of raw
materials, excipients, and finished products. Calibration
involves comparing the balance readings with calibrated
weights of known mass to verify its accuracy.
Dimensional calibration: Dimensional calibration is performed
on measuring devices such as calipers, micrometers,
rulers, and gauges to ensure accurate measurement of
physi cal dimensions. Calibration involves comparing the
Introduction to Pharmaceutics
292
measure ments taken by the device with calibrated reference
standards to verify its accuracy.
Time and frequency calibration: Time and frequency calibration
is conducted on clocks, timers, and frequency counters to
ensure accurate timekeeping and frequency measurement.
Calibration involves comparing the readings of the device
with a highly accurate time or frequency standard to verify
its accuracy.
These are some of the main types of calibration carried
out in the pharmaceutical industry. Calibration is performed
at regular intervals based on regulatory requirements and
instrument manufacturers’ recommendations to maintain
the accuracy and reliability of measurement instruments and
equipment.
Validation
Validation is the process of establishing documented
evidence that a system, process, or method consistently
produces results that meet predetermined requirements and
specifications. It involves a series of activities and tests that
demonstrate the suitability, reliability, and performance of a
system or process throughout its lifecycle. Validation ensures
that the pharmaceutical processes, equipment, and systems
are properly designed, controlled, and capable of consistently
producing quality products.
In the pharmaceutical industry, validation is performed for
various aspects, including manufacturing processes, analytical
methods, cleaning procedures, and computerized systems.
It involves defining critical parameters, conducting rigorous
testing, and collecting data to demonstrate that the processes
or systems meet the desired quality standards. Validation
activities may include protocol development, execution of
tests, data analysis, and documentation of results.
The main objectives of validation in the pharmaceutical field
are to ensure product quality, optimize processes, reduce risks,
and comply with regulatory requirements. Validation helps
to identify and control sources of variability, prevent errors
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Basic Structure, Layout, Sections, and Activities of Pharmaceutical
or deviations, and provide assurance that the pharmaceutical
products are safe, effective, and of consistent quality.
Types of Validation
In the pharmaceutical field, there are several types of validation
that are performed to ensure the reliability, accuracy, and
compliance of processes, methods, and systems. The main
types of validation include:
Process validation: Process validation is the validation of
manufacturing processes used to produce pharmaceutical
products. It involves demonstrating that the manufacturing
process consistently produces products of the desired
quality. Process validation typically includes three stages:
Pro cess design, process qualification, and continued
process verification.
Analytical method validation: Analytical method validation is
the validation of analytical methods used for the analysis
of pharmaceutical products. It ensures that the analytical
methods are accurate, reliable, and suitable for their
intended purpose. Method validation includes evaluating
parameters such as specificity, accuracy, precision, linearity,
range, robustness, and system suitability.
Cleaning validation: Cleaning validation is the validation
of cleaning procedures used to remove residues from
equipment and surfaces. It ensures that equipment
and surfaces are effectively cleaned to prevent cross-
contamination and main tain product quality. Cleaning
validation involves developing cleaning procedures,
conducting analytical testing, and establishing acceptable
limits for residue levels.
Computer system validation: Computer system validation
is the validation of computerized systems used in
pharmaceutical manufacturing, laboratory testing, and
data management. It ensures that computer systems are fit
for their intended use, operate reliably, and maintain data
integrity. Computer system validation involves validating
software, hardware, and the overall system configuration.
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294
Equipment qualification: Equipment qualification is the
validation of equipment used in the pharmaceutical manu-
facturing process. It ensures that equipment is properly
installed, operates correctly, and produces consistent
and reliable results. Equipment qualification includes
installation qualification (IQ), operational qualification
(OQ), and perfor mance qualification (PQ).
Cleaning-in-place (CIP) and sterilization-in-place (SIP)
validation: CIP and SIP validation involve validating the
cleaning and sterilization processes for equipment and
systems that cannot be easily disassembled. It ensures that
the CIP and SIP processes effectively clean and sterilize
equipment to meet predefined criteria for cleanliness and
sterility.
Transport validation: Transport validation is the validation
of the transportation processes used for pharmaceutical
products, especially for temperature-sensitive products.
It ensures that the transportation conditions maintain the
integrity and stability of the products. Transport validation
includes evaluating temperature control, duration,
packaging, and monitoring systems.
These are some of the crucial validations are performed
in the pharmaceutical industry. Each type of validation aims
to ensure the quality, safety, and efficacy of pharmaceutical
products and processes, and they are carried out in accordance
with regulatory guidelines and standards.