Sterile Injectable Manufacturing: SOP for Visual Inspection of Injectable Products for Clarity – V 2.0
Standard Operating Procedure for Visual Inspection of Injectable Products for Clarity
| Department |
Sterile Injectable Manufacturing |
| SOP No. |
SOP/SIM/066/2025 |
| Supersedes |
SOP/SIM/066/2022 |
| Page No. |
Page 1 of 13 |
| Issue Date |
18/06/2025 |
| Effective Date |
20/06/2025 |
| Review Date |
18/06/2026 |
1. Purpose
To describe the procedure for visual inspection of sterile injectable products to detect any foreign particles, fibers, or other visual defects and to ensure product clarity before batch release.
2. Scope
This SOP is applicable to
visual inspection activities performed on all sterile injectable drug products manufactured in the facility, including vials, ampoules, and prefilled syringes.
3. Responsibilities
- Visual Inspectors: Responsible for conducting inspection and segregating defective units.
- IPQA Personnel: Responsible for oversight and verification of the inspection process.
- Production Supervisor: Ensures that inspection is performed as per SOP.
4. Accountability
The Head of Quality Assurance is accountable for ensuring that all injectable products are visually inspected as per cGMP standards before batch release.
5. Procedure
5.1 Preparation
- Ensure that inspectors are trained and qualified for visual inspection as per SOP.
- Perform the inspection in a controlled lighting environment (2000–3750 lux) with black and white backgrounds.
- Allow inspector to adapt eyes to the lighting conditions for at least 5 minutes before inspection begins.
5.2 Inspection Process
- Take inspected products from the quarantine area and place them in trays.
- Visually inspect each unit against black and white background for:
- Clarity of solution
- Presence of foreign particles or fibers
- Color changes or turbidity
- Glass defects (cracks, spots)
- Rotate the container slowly in front of the light and observe any suspended particles.
- Reject any unit showing the above defects and segregate into the “Rejected” tray.
5.3 Sampling & Frequency
- Perform 100% inspection for every batch.
- Record observations on the Visual Inspection Record Sheet (Annexure-1).
5.4 Handling of Rejected Units
- Label and store rejected units in a separate area for QA decision.
- Record reasons for rejection and batch number in Rejection Logbook (Annexure-2).
5.5 Double Inspection (Optional)
- If required by protocol, conduct a second visual inspection by a different qualified inspector.
- Compare results and resolve any discrepancies before batch approval.
5.6 Post-Inspection
- Move accepted units to the approved quarantine area.
- Submit inspection reports to QA for batch disposition.
6. Abbreviations
- SOP: Standard Operating Procedure
- IPQA: In-Process Quality Assurance
- QA: Quality Assurance
- cGMP: Current Good Manufacturing Practice
7. Documents
- Visual Inspection Record Sheet – Annexure-1
- Rejection Logbook – Annexure-2
- Lighting Calibration Log – Annexure-3
8. References
- USP <790> – Visible Particulates in Injections
- EU GMP Annex 1 – Manufacture of Sterile Medicinal Products
- ICH Q9 – Quality Risk Management
9. SOP Version
Version: 2.0
10. Approval Section
|
Prepared By |
Checked By |
Approved By |
| Signature |
|
|
|
| Date |
|
|
|
| Name |
|
|
|
| Designation |
Production Executive |
QA Executive |
Head QA |
| Department |
Production |
Quality Assurance |
Quality Assurance |
11. Annexures
Annexure-1: Visual Inspection Record Sheet
| Batch No. |
Date |
Total Units |
Rejected |
Inspected By |
| VCL-2025 |
17/06/2025 |
10,000 |
12 |
Ajay Verma |
Annexure-2: Rejection Logbook
| Date |
Batch No. |
Defect Type |
Quantity |
Remarks |
| 17/06/2025 |
VCL-2025 |
Fiber in solution |
6 |
To be evaluated by QA |
Annexure-3: Lighting Calibration Log
| Date |
Location |
Lux Reading |
Checked By |
Status |
| 15/06/2025 |
Inspection Booth 2 |
3250 |
Sunita Reddy |
Pass |
Revision History
| Revision Date |
Revision No. |
Details |
Reason |
Approved By |
| 10/02/2022 |
1.0 |
Initial version |
New SOP |
QA Head |
| 18/06/2025 |
2.0 |
Double inspection process added |
Periodic Review |
QA Head |