Procedure for Conducting Forced Degradation Studies on Aerosol Products
| Department | Aerosol |
|---|---|
| SOP No. | SOP/Aerosol/197/2025 |
| Supersedes | SOP/Aerosol/197/2022 |
| Page No. | Page 1 of Y |
| Issue Date | 06/02/2025 |
| Effective Date | 16/02/2025 |
| Review Date | 06/02/2028 |
1. Purpose
The purpose of this Standard Operating Procedure (SOP) is to define the methodology for conducting forced degradation studies on aerosol products to assess their stability, degradation pathways, and potential impact on product quality.
2. Scope
This SOP applies to all aerosol formulations subjected to forced degradation conditions, including oxidative, thermal, photolytic, and hydrolytic stress conditions.
3. Responsibilities
- Quality Control (QC) Analysts: Responsible for conducting degradation studies.
- Quality Assurance (QA) Team: Responsible for reviewing and approving test results.
- Stability Study Team: Responsible for sample selection and monitoring degradation trends.
- Regulatory Affairs Team: Responsible for ensuring compliance with ICH stability guidelines.
4. Accountability
The Quality Control Manager is accountable for ensuring accurate degradation studies and compliance with regulatory standards.
5. Procedure
5.1. Selection of Test Samples
- Select representative aerosol product samples for testing.
- Ensure each sample is appropriately labeled and stored.
- Record sample details in the Forced Degradation Sample Log (Annexure-1).
5.2. Forced Degradation Conditions
- Apply different stress conditions:
- Oxidative stress (H₂O₂ exposure at 3% concentration).
- Thermal stress (60°C for 10 days).
- Photolytic stress (UV exposure for 24 hours).
- Hydrolytic stress (moisture exposure at 75% RH).
- Record degradation study conditions in the Degradation Study Log
(Annexure-2).
5.3. Analytical Testing of Degraded Samples
- Analyze samples using HPLC, GC-MS, or spectrophotometric methods.
- Compare degraded samples with control samples.
- Document analytical results in the Degradation Analysis Report (Annexure-3).
5.4. Identification of Degradation Products
- Identify potential degradation by-products.
- Assess the toxicity and impact of degradation products on product efficacy.
- Record findings in the Degradation Product Identification Log (Annexure-4).
5.5. Risk Assessment and Corrective Actions
- Evaluate whether degradation impacts product quality.
- Determine if formulation modifications are required.
- Document corrective actions in the Degradation Study Corrective Action Log (Annexure-5).
6. Abbreviations
- GMP: Good Manufacturing Practice
- QC: Quality Control
- QA: Quality Assurance
- HPLC: High-Performance Liquid Chromatography
- GC-MS: Gas Chromatography-Mass Spectrometry
- RH: Relative Humidity
- ICH: International Council for Harmonisation
7. Documents
- Forced Degradation Sample Log (Annexure-1)
- Degradation Study Log (Annexure-2)
- Degradation Analysis Report (Annexure-3)
- Degradation Product Identification Log (Annexure-4)
- Degradation Study Corrective Action Log (Annexure-5)
8. References
- Good Manufacturing Practice (GMP) Guidelines
- ICH Q1A and Q1B Stability Guidelines
- FDA Guidelines on Forced Degradation Studies
9. SOP Version
Version: 2.0
10. Approval Section
| Prepared By | Checked By | Approved By | |
|---|---|---|---|
| Signature | |||
| Date | |||
| Name | |||
| Designation | |||
| Department |
11. Annexures
Annexure-1: Forced Degradation Sample Log
| Batch No. | Sample ID | Stress Condition | Checked By |
|---|---|---|---|
| BN-250 | SPL-401 | 60°C for 10 Days | QA Team |
Annexure-2: Degradation Study Log
| Sample ID | Degradation Type | Observation Period | Reviewed By |
|---|---|---|---|
| SPL-401 | Oxidation | 10 Days | QA Team |
Annexure-3: Degradation Analysis Report
| Batch No. | Analysis Method | Degradation % | Reviewed By |
|---|---|---|---|
| BN-251 | HPLC | 5.2% | QA Team |
Annexure-4: Degradation Product Identification Log
| Degradation Product | Toxicity Risk | Regulatory Limit | Reviewed By |
|---|---|---|---|
| Impurity X | Low | Below Limit | QA Team |
Annexure-5: Degradation Study Corrective Action Log
| Issue Identified | Corrective Action | Implementation Date | Approved By |
|---|---|---|---|
| Degradation Above Limit | Formulation Change | 08/02/2025 | Anjali Sharma |
12. Revision History:
| Revision Date | Revision No. | Revision Details | Reason for Revision | Approved By |
|---|---|---|---|---|
| 01/01/2024 | V 1.0 | Initial Release | First Issue | Anjali Sharma |
| 01/01/2025 | V 2.0 | Updated degradation study parameters | GMP Compliance | Anjali Sharma |