1. 1
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
CLEANING VALIDATION
Presented by:
Name: B.S. Preethi Guided by:
Course: M. Pharmacy 1st
year Dr. K. Vinod Kumar M.Pharm Ph.D
Reg no: 24L81S0705 Associate Professor
Dept: Pharmaceutical Analysis
2. 2
RIPER
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NAAC &
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SIRO- DSIR
Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Contents:
Introduction
Cleaning validation
Cleaning method development
Validation of analytical method
Cleaning of equipment
Cleaning of facilities
Cleaning in place
Conclusion
References
3. 3
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Introduction:
Validation:
In the pharmaceutical industry, validation is a documented
process that provides high assurance that a specific process will
consistently produce a product meeting predetermined quality
standards.
It's a crucial aspect of ensuring product safety, efficacy, and
regulatory compliance.
4. 4
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning Validation:
Cleaning validation is a documented process that provides
evidence that a cleaning procedure consistently removes
product residues, cleaning agents, and microbial contaminants
from equipment to acceptable levels, ensuring the quality and
safety of subsequent products.
It's a critical part of current Good Manufacturing Practice
(cGMP) in the pharmaceutical industry and is essential for
preventing cross-contamination and maintaining product
integrity.
5. 5
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning Validation:
6. 6
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Types of Cleaning:
1.Manual Cleaning – Done by operators using brushes, water,
detergents.
2. Clean-in-Place (CIP) – Automated cleaning without dismantling
equipment.
3. Clean-out-of-Place (COP) – Equipment parts are dismantled and
cleaned separately.
7. 7
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Types of contamination:
1. Cross contamination with active ingredients:
Contamination of one batch of product with significant levels of
residual active ingredients from previous batch cannot be tolerated.
2. Contamination with unintended materials or compounds:
While inert ingredients used in drug products are generally
recognised as safe for human consumption , the routine use,
maintenance and cleaning of equipments provide the potential
contamination with such items as equipment parts, lubricants and
chemical cleaning agents.
8. 8
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
3. Microbial contamination:
Maintenance, cleaning and storage conditions may provide adventitious
microorganisms with the opportunity to proliferate within the
processing equipment.
Steps involved in cleaning validation:
1.Planning phase
2. Execution phase
3. Analytical testing phase
4. Reporting phase
9. 9
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Levels of cleaning:
Level-1:It is used only between steps in the same manufacturing
process.
Level-2:It is used when cleaning between steps in the same
manufacturing.
Level-3:It is performed when cleaning after an intermediate or final
productor one product in preparation of an intermediate step of
another product.
Level-4:It would be used after final product is ready.
10. 10
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Analytical method validation:
Analytical method validation ensures the reliability of methods
used to detect and quantify residues on equipment after cleaning.
It involves demonstrating that the chosen analytical technique
(e.g., HPLC, TOC) is suitable for its intended purpose and
provides accurate, precise, and reliable results.
This validation process is crucial for demonstrating that cleaning
procedures effectively remove residues to acceptable levels,
safeguarding product quality and patient safety.
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Key aspects of analytical method validation in cleaning validation:
Specificity:
The method should be able to accurately identify and measure the target
residue without interference from other substances, including cleaning agents.
Linearity:
The method's response should be directly proportional to the concentration
of the residue within the specified range.
Range:
The method should be able to accurately measure residues within a defined
range relevant to the cleaning process.
12. 12
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Precision:
The method should provide consistent results when repeated multiple times under the same
conditions.
Accuracy:
The method should accurately reflect the true amount of residue present.
Limit of Detection (LOD) and Limit of Quantification (LOQ):
These parameters define the lowest concentrations of residue that can be reliably
detected and quantified, respectively.
Common Analytical Techniques:
High-Performance Liquid Chromatography (HPLC):
Widely used for separating and quantifying residues, often with UV or mass
spectrometry detection.
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Common Analytical Techniques:
Total Organic Carbon (TOC) Analysis:
Measures the total amount of organic carbon, providing an overall assessment
of cleanliness, though it doesn't identify specific residues.
Spectrophotometry (UV-Vis):
It Can be used for detecting and quantifying residues that absorb UV or
visible light.
Swab Technique:
A common sampling method in cleaning validation, where swabs are used to
collect residue samples from equipment surfaces.
14. 14
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Sampling Methods:
Methods are used to verify the effectiveness of cleaning procedures by
detecting and quantifying residual substances on equipment surfaces.
The primary methods include: swab sampling (direct surface sampling)
and rinse sampling (indirect sampling).
Visual inspection is also a crucial part of the process, providing immediate
feedback on cleaning deficiencies.
1. Swab Sampling:
This method involves wiping a defined area of the equipment surface with
a swab (a piece of absorbent material on a stick) that has been pre-wetted
with a suitable solvent. The swab is then analyzed to detect and quantify
any residues present.
15. 15
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Swab sampling is particularly useful for assessing the cleanliness of hard-to-reach
areas and for quantifying residues on specific surfaces. It's a direct method, meaning
it assesses the surface itself for cleanliness.
2. Rinse Sampling:
Rinse sampling involves rinsing a specific area of the equipment with a solvent
and then analyzing the rinse solution for any residues.
This method is suitable for assessing the cleanliness of large surface areas or
inaccessible areas that cannot be swabbed directly.
It is an indirect method, as it assesses the cleanliness of the surface by examining
the rinse solution that has come into contact with it. Rinse samples can be
particularly useful for detecting residues that may not be easily soluble or that are
trapped within equipment components.
16. 16
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Acceptance criteria:
1.Chemical determination:
1. Nmt 0.1% of the normal therapeutic dose of any product will appear in the
maximum daily dose of subsequent product.
2. Nmt 10 ppm of any product will appear in another product.
3 . For certain allergic ingredient penicillin, cephalosporin, steroid and cytotoxic , the
limit should be below the limit of detection.
2. Physical determination:
No quantity of residue should be visible on the equipment after cleaning procedure
are performed.
3. Microbial contaminant:
Total aerobic count : 1. Bacterial count: NMT 20 CFU.
2. Molds : NMT 02 CFU.
17. 17
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Determination of MACO(Maximum Allowable
Carry Over):
MACO = TDD previous x MBS
SF x TDD next
Where,
MACO : Maximum allowable carry over
TDD previous: Standard therapeutic dose of investigated product.
TDD next: Standard therapeutic dose of the daily dose of the next product.
MBS: Minimum batch size for the next product.
SF: Safety factor( Normally1000 is used in calculation based on TDD)
18. 18
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning of Equipment:
Cleaning of equipment is a critical process in the pharmaceutical industry to
ensure product quality, patient safety, and regulatory compliance.
It involves the removal of product residues, cleaning agents, microbial
contaminants, and other impurities from manufacturing equipment.
Why Cleaning is Important:
Prevents cross-contamination between different products
Ensures compliance with Good Manufacturing Practices (GMP)
Maintains product quality and efficacy
Protects patient safety
Avoids regulatory penalties
19. 19
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning of Equipment:
20. 20
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
1. Pre-cleaning: Remove visible residue
2. Washing: Use water and cleaning agents.
3. Rinsing: Remove detergent traces.
4. Drying: Air-dry or use hot air to avoid microbial growth.
5. Inspection: Visually check and/or test for cleanliness.
6. Documentation: Record all cleaning steps and results.
Steps Involved in Equipment Cleaning:
21. 21
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning Agents Used:
Water (Purified Water, WFI)
Detergents (acidic, alkaline, neutral)
Disinfectants (alcohol, hydrogen peroxide)
22. 22
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Clean in place:
Clean-In-Place (CIP) is a method of cleaning the interior
surfaces of equipment like pipes, vessels, reactors, and tanks
without disassembly. It is widely used in the pharmaceutical,
biotechnology, and food industries to ensure hygiene and
prevent contamination.
23. 23
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Clean in Place:
24. 24
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
What is CIP?
CIP is an automated cleaning method where cleaning solutions (like water,
detergents, or sanitizers) are circulated through equipment systems to remove
product residues, microorganisms, and contaminants.
Steps in CIP Process:
1. Pre-Rinse: Removes loose residues with water
2. Detergent Wash: Uses alkaline or acidic detergents to break down soils
3. Intermediate Rinse: Removes remaining detergent and loosened dirt
4. Sanitization / Disinfection (if needed): Kills any remaining microorganisms.
5. Final Rinse :Removes sanitizer and prepares the system for next use.
25. 25
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Types of CIP Systems:
1. Single-use System – Uses fresh cleaning solutions each time.
2. Recovery System – Reuses cleaning solutions to reduce cost.
3. Manual CIP – Operator-controlled steps.
4. Automated CIP – Fully programmed and monitored cleaning
cycles.
CIP is Commonly Used For:
Bioreactors, Mixing vessels, Pipelines, Heat exchangers, Storage
tanks.
26. 26
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Advantages of CIP:
No need to disassemble equipment.
Reduces cleaning time and labor.
Ensures consistent and repeatable cleaning.
Reduces human error.
Easily validated and documented.
Regulatory Requirements:
Must follow GMP and regulatory guidelines (FDA, EU, WHO).
CIP process should be validated.
Cleaning records must be documented.
27. 27
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning of Facilities:
Cleaning of facilities refers to the systematic cleaning and sanitization
of all rooms, surfaces, walls, ceilings, floors, HVAC systems, and
supporting utilities within a pharmaceutical manufacturing area.
It is essential for maintaining a clean and controlled environment to
ensure product safety, quality, and compliance with GMP.
Why Cleaning of Facilities is Important:
Prevents contamination and cross-contamination.
Maintains a controlled cleanroom environment.
Complies with regulatory standards (GMP, FDA, WHO)Ensures
product quality and patient safety.
28. 28
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning of Facilities:
29. 29
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Areas That Require Cleaning:
Manufacturing and packaging rooms.
Storage and dispensing areas.
Cleanrooms (classified zones)
Washrooms and gowning areas.
Ceilings, walls, floors, windows.
Drains and HVAC ducts( Heating, Validation, Air conditioning)
30. 30
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Steps in Facility Cleaning:
1. Preparation: Wear proper gowning, gather cleaning tools
2. Dry Cleaning: Remove visible dust and waste
3. Wet Cleaning: Apply cleaning agent with approved method
(mop/wipe)
4. Rinse: Use water to remove chemical residues
5. Disinfection: Apply disinfectant to surfaces
6. Final Inspection: Check for cleanliness and log activities
31. 31
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
Cleaning Schedule:
Daily:
Product contact surfaces, floors, frequently touched areas
Weekly:
Walls, glass, doors
Monthly/Periodic:
Ceilings, lighting fixtures, HVAC grilles.
Documentation Required:
Cleaning SOPs
Cleaning logs (date, time, area, agent used, personnel)
Environmental monitoring records
Change control (for any changes in cleaning method)
32. 32
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Conclusion:
Cleaning validation is a critical quality assurance process in
pharmaceutical manufacturing. It ensures that all cleaning procedures
effectively remove product residues, cleaning agents, and microbial
contaminants from equipment and surfaces.
It helps to prevent cross-contamination and ensures the safety, efficacy,
and quality of pharmaceutical products.
Cleaning validation is required to comply with regulatory standards such
as those from the FDA, EMA, and WHO.
It involves planning, execution, and analytical methods, along with
established acceptance criteria.
33. 33
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Raghavendra Institute of Pharmaceutical Education and Research - Autonomous
K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721
References:
1.ICH Q7. (2000). Good Manufacturing Practice Guide for Active
Pharmaceutical Ingredients. International Council for Harmonisation.
2. ICH Q9. (2005). Quality Risk Management. International Council
for Harmonisation.
3. EudraLex - Volume 4. (Annex 15). EU Guidelines for Good
Manufacturing Practice for Medicinal Products. European
Commission.
4. PIC/S PI 006-3. (2007). Recommendation on Validation Master
Plan, Installation and Operational Qualification, Non-Sterile Process
Validation, Cleaning Validation.
34. 34
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K.R.Palli Cross, Chiyyedu, Anantapuramu, A. P- 515721