SOP Aseptic Filling Environmental Monitoring

November 17, 2017 | Author: scf9827 | Category: Environmental Monitoring, Filtration, Nature, Wellness
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STANDARD OPERATING PROCEDURE Title: Aseptic Fill Environmental Monitoring

Effective Date: _____________

Approvals (Signature and Date): _______________________________ Responsible Department Head




__________________________ QA/QC


To specify the procedures for environmental monitoring during aseptic filling operations.


To specify the environmental and personnel monitoring alert and action level specifications for aseptic filling events and contamination investigation procedures when these levels are exceeded.



____________________________ Technical Authority

This procedure applies to the Aseptic Fill Room 114K during aseptic filling operations.


It is the responsibility of the Quality Control and Manufacturing departments to perform environmental monitoring.


It is the responsibility of the QC and Manufacturing supervisors to ensure that QC and Manufacturing personnel performing environmental monitoring have been properly trained in aseptic technique and the use of all monitoring equipment and procedures.


09-0035-SOP-1.0, Environmental Monitoring Using The Biotest Centrifugal Air Sampler


09-0036-SOP-1.0, Environmental Monitoring Using RODAC Plates


09-0037-SOP-1.0, Routine Environmental Monitoring Program in Manufacturing Facility


09-0038-SOP-1.0, Aerosol Particle Counting Using the MetOne 200L


Documents used to develop the aseptic fill environmental program include: 4.5.1

Pharmacopial Forum. Page 440. Mar-Apr 1995. Volume 21, Number 2. 1116 Microbiological Evaluation and Classification of Clean Rooms and Clean Zones.


Federal Standard 209E


02-0031-PVP-1.0, Process Validation of Aseptic Filling of Biotin Conjugated Murine Anti-Human CD34 Monoclonal (12.8 Biotin) Antibody


Food and Drug Administration “Guideline on Sterile Drug Products Produced by Aseptic Processing” June 1987

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09-0102-SOP-1.0 Page 1 of 16

4.5.5 5.




Barber, Thomas A. 1993. “Pharmaceutical Particulate Matter Analysis and Control”


Calibrated Biotest RCS Centrifugal Air Sampler and tripod stand, Biotest Diagnostics


Tryptic Soy Agar air strips for the Biotest RCS Air Sampler, Biotest Diagnostics


Rose Bengal Agar air strips for the Biotest RCS Air Sampler, Biotest Diagnostics


Tryptic Soy Agar + Lecithin + Polysorbate 80 Contact (RODAC) 30cm2 plates, PML Microbiologicals


Tryptic Soy Agar 15 x 150mm plates, PML Microbiologicals


Sabouraud Dextrose 15 x 150mm plates, PML Microbiologicals


Laser Particle Counter capable of detection down to 0.5 micron with tubing and isokinetic probe


30-35° C Incubator


28-30° C Incubator


Use safety glasses when working with 70% IPA.


Follow proper gowning procedures when entering aseptic fill room to minimize contamination.


Aseptic Fill Environmental Checklist: Attachment A


Aseptic Fill Environmental Monitoring Test Report: Attachments B-H


Completed Checklists and Reports are to be kept in notebooks in the QC Laboratory. Copies of completed reports shall be placed into the product lot file.



Environmental monitoring shall be performed during every aseptic filling event by properly trained personnel. All monitoring activities and equipment involved shall not disrupt the laminar air flow nor violate the sterile field in any way. The sterile field consists of the area between exposed product or containers and the clean air source under laminar flow.


Use of proper aseptic technique is critical to this test. Initial environmental monitoring shall be performed after the last sanitization of the filling room before operations begin as baseline data of the filling room conditions prior to commencing operations.


After baseline, aseptic fill monitoring shall be done at set-up, during filtering and filling operations, and at the end of the event. Set-up is defined as the time when all materials and supplies involved in aseptic operations (filtering or filling) have been introduced into the class 100 zone, and set-up procedures are being completed before actual operations where product is exposed. The end of the event is defined as the time when all aseptic operations have been completed and all vials have been filled and capped prior to clean-up.


For media fills and clinical antibody fills, both filtering and filling operations should be considered separate aseptic processing events based on 02-0031-PVP-1.0, therefore monitoring should be

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09-0102-SOP-1.0 Page 2 of 16

performed according to the Table 1 schedule below. Filtering and filling for other non-clinical products may be considered a singular event provided all operations occur during a single shift and do not involve re-introducing materials and supplies into the class 100 zone. 8.1.5

Perform aseptic fill monitoring according to the following schedules in Tables 1 and 2:

Table 1. Aseptic Fill Environmental Monitoring Schedule (Media Fills, Clinical Antibody) Monitoring Phase Baseline Filter Set-up During Filter Filter End Fill Set-up During Fill Fill End

Air Site Numbers Viable Non-Viable 1,2 1,2 1,2 1,2,3,5 3,4 4* 1,2 3,4 1,2

Surface Site Numbers 1-7 1-7, 79-81

1-7, 79-81 4* 1-7

Personnel Sites 82-86 ** 87-91 82-86 ** 87-91

Responsibility QC/Mfg. QC/Mfg. QC/Mfg. QC/Mfg. QC/Mfg. QC/Mfg. Mfg.

Table 2. Aseptic Fill Environmental Monitoring Schedule (Non-clinical product) Monitoring Phase

Air Site Numbers Surface Sites Personnel Responsibility Viable Non-Viable Numbers Sites Baseline 1,2 1,2 1-7 QC/Mfg. Set-up 1,2 1,2,3,5 1-7, 79-81 82-86 QC/Mfg. During 4,5 4* ** QC/Mfg. End 1,2 1-7 87-91 Mfg. * Non-Viable particle counting no more than one foot from where vial filling occurs. ** Personnel monitoring only for operator changes, regowning, additional personnel or shift changes. 8.1.6

NOTE: To aid in ensuring that all monitoring is performed for each phase at each site, complete the Aseptic Fill Monitoring checklist (Attachment A) upon completion of each task.


Label RODAC plates, 15 x 150mm TSA and Sabouraud Dextrose plates, TSA and Rose Bengal air strips, with date, site number or site identification, sample time, and sampler’s initials for each phase of monitoring to be done.


Perform Air-Viable sampling using the Biotest RCS air sampler per 09-0035-SOP-1.0 for site locations 1 and 2 in the aseptic fill room. Additionally, use settling plates (15 x 150 mm Tryptic Soy Agar and Sabouraud Dextrose Agar for yeasts and molds) as a continuous air viable test in the class 100 zone during operations. Place one plate on the left and one on the right side of operations on the bench surface with the exposed media facing up being cautious not to interfere in the sterile field. Place the first set of plates just prior product exposure processing.


Replace settling plates every hour alternating between Tryptic Soy Agar and Sabouraud Dextrose Agar until aseptic processing is completed. Record on the settling plate data sheet the site location where monitoring occurred. (Refer to Aseptic Filling Area Monitoring Site Map)


Perform RODAC surface sampling per 09-0036-SOP-1.0 for site locations 1-7 in the aseptic fill room. In addition, during event set-up, use RODAC plates to sample the surfaces of the product container, the filling pump, or other equipment if used. Also collect a sample from packaged sterilized supplies (i.e. vial trays, caps or stopper containers etc.) that are brought into the class 100 zone. Record on the RODAC data sheet the time and description of sampling locations.


Perform non-viable particulate counting for site locations 1 and 2 per 09-0038-SOP-1.0 during the baseline and set-up phases. Perform additional counting at set-up for sites 3 and 5 after all processing equipment has been appropriately disinfected and introduced into the class 100 zone.

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To monitor non-viable particles during aseptic processing, place the sensor on a suitable tripod or stand. Place the sensor no more than one foot away from the bench top and within 12 inches of where filtering or filling occurs. This monitoring is represented as non-viable site location 4. Set the counter to sample continuously by taking at least one sample every five minutes.


Specific placement of airborne viable settling plates and the isokinetic particle counting probe with tripod stand for media fills and clinical vial filled antibody is given below in figures 1 and 2. These placements reflect the class 100 zone monitoring procedures that should be employed during aseptic processing per 02-0031-PVP-1.0, and as specified in MBR 850005-02 (ascites), MBR 850016-02 (TC), and MBR 850022-01 (Tryptic Soy Broth Filling). Ensure that the particle count sensor is not less than 12 inches from the pump equipment.

Watson-Marlow 505Di Pump with 505LA Pumphead

Settling Plates

Receiving Vessel (Filtrate)

Room 114K Class 100 Area Particle Counter

Bulk Product Vessel

Filtration Tubing Assembly

Millipak Filter


Figure 1. Standard Configuration During Product Filtering (Clinical Antibody, Media Fill)

Watson-Marlow 505Di Pump with 505L Pumphead


Filling and Stopper Particle Counter

Filtered Product

Filling Tubing Assembly

Vial Tray

Settling Plates


Room 114K Class 100 Area

Crimping Front

Figure 2, Standard Configuration During Product Filling (Clinical Antibody, Media Fill) 8.2


Personnel monitoring shall be performed on all manufacturing personnel after entering the filling room at the set-up phase immediately prior to beginning actual aseptic processing operations in the class 100 zone. Personnel shall be monitored again just after finishing aseptic operations before clean-up and exiting. Personnel shall always be monitored in the event of operator changes,

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09-0102-SOP-1.0 Page 4 of 16

regowning, or shift changes, after entering and before exiting the aseptic filling room.




Use RODAC plates to sample the chest/collar area preferably at the hood-to-gown joint. The hood-to-gown seam is the area of the gown that may be touched most by the first set of gloves during the gowning procedure and therefore may be a general indicator of gowning effectiveness and technique.


Use RODAC plates to sample operators’ wrist area joint between the glove and gown anterior side which is the location that is generally in closest proximity to product materials and vials during processing and pose a greater exposure risk to open containers.


Use RODAC plates for monitoring the operator’s hands. Sample the gloves across the fingers and finger tips where filling materials and containers are predominantly handled.


Technicians performing monitoring shall also be monitored initially as described above at set-up, and once more prior to exiting the filling room.


All sampled areas should be thoroughly and carefully wiped clean using 70% IPA and sterile wipes immediately after sampling before resuming manufacturing or monitoring duties. Avoid excessive wetting of the Tyvek gown with the disinfectant.


Immediately after all aseptic fill monitoring has been completed, all Tryptic Soy Agar air strips, RODAC plates, and Tryptic Soy Agar settling plates should be placed in a 30-35°C incubator in the QC laboratory for 48-120 hours.


Place all Rose Bengal air strips and Sabouraud Dextrose settling plates in a 28-30°C incubator in the QC Laboratory for 5-7 days.


Manufacturing or QC personnel should record on the environmental monitoring data sheets the name, part number and lot number of product being filled. Also record the test date, time of sample, initials of technician performing sampling, and all the test media information including the name of the manufacturer, lot numbers, expiration dates,


Record the results of non-viable particle counting on the test report attachment and fill out the Particle Counting Data Sheet Attachment. Photocopy the particle count printouts and paste on the data sheet.


After the appropriate incubation period, QC microbiology personnel shall remove the media plates and airstrips and count the number of colonies per 09-0035-SOP-1.0 and 09-0036-SOP-1.0. Record the count numbers and calculations in the corresponding place on the data sheets.


Isolates recovered from from each site and operator during aseptic filling events, including media fills, require identification of all different types present in terms of Gram stain and colony morphology (09-0040-SOP-1.0); as well as genus or species identification if possible (09-0065SOP-1.0).


In cases of multiple CFUs on a single plate or airstrip where colony type is visually the same, pick an isolated colony for Gram stain from each quadrant. Identify to the genus and species level if possible all different types obtained.


If plate results show a lawn of colony growth, pick a representative section and streak for colony isolation. Perform Gram stain and identification on different organism types.


All original sample isolates shall be labeled and stored in a 2-8°C refrigerator as retain samples

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09-0102-SOP-1.0 Page 5 of 16

until: positive identifications are completed; product sterility testing is completed; and, if applicable, environmental monitoring or sterility test investigations are completed. 8.5


Alert levels are established as recommended in 02-0031-PVR-1.0, and Action levels are referenced from the Pharmacopial Forum Section 1116 Microbiological Evaluation and Classification of Clean Rooms and Clean Zones. Alert and Action levels are given in Table 3 below:

Table 3. Aseptic Fill Room 114K Alert and Action Levels by Method and Clean Zone Class Clean Zone Method Alert Level Action Level Class Non-Viable Particulates (Baseline and Set-up) Non-Viable Particulates (Setup)



Avg. >1000 Particles ≥ 0.5µm/ft3 Avg. >7 Particles ≥5.0 µm/ft3



Avg. >100 Particles ≥ 0.5 µm/ft3

Non-Viable Particulates (During Aseptic Processing)


>5% samples or two consecutive samples with 100 Particles ≥ 0.5µm/ft3

100 Particles ≥ 0.5µm/ft3 for 3 consecutive samples

Surface Viables


>0.5 CFU Average/Plate

>10 CFU/Plate


>0.1 CFU Average/Plate

>3 CFU/Plate

Air Viables - RCS


>0.5 CFU/ ft3

>0.5 CFU/ ft3

Air Viables - Settling Plate


>1 CFU/fill

>1 CFU/Plate/hour



>0.5 CFU Average/Plate

>10 CFU/Plate (chest/collar)


(All samples)

>3 CFU/Plate (hand gloves)



>5 CFU/Plate (wrist gown)

If any alert and action level has been exceeded, as soon as possible notify: • • •

Head of Manufacturing Head of QA/QC QC Supervisor


For airborne viables, the alert or action level is exceeded if either the TSA or Rose Bengal air strips yield results that exceed the level. For airborne particulates during baseline and set-up, the action level is exceeded only if the average count of three exceeds the level, i.e. individual counts may exceed the action level as long as the average of all counts is below the action level.


If particle count action levels are exceeded during baseline or set-up phases and there are known assignable causes (i.e. equipment manipulation, disinfectants, or aerosols), then resampling should be continued at that site for at least three more samples to determine if the environment is still under controlled conditions. If the resampling results are still out of these specifications with no assignable causes, then this constitutes an action level failure. The technician performing particle counting should immediately notify those listed in 8.5.2 and inform manufacturing operators to suspend duties prior to product exposure pending investigation and retesting as outlined below.


When non-viable particle count alert levels are exceeded in the class 100 zone during aseptic processing, the particle count instrument will sound an alarm notifying operators that levels have been exceeded. If possible, operators shall note by description any activities occurring before and during the time of exceeded levels that may have contributed to the particle counts. This notation may be referenced in an investigation if applicable.

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09-0102-SOP-1.0 Page 6 of 16

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