Implementing a Quality by Design (QbD) program shouldn’t be that difficult…but it almost always is. The question is why?
There is no doubt that Quality by Design (QbD) programs can help organizations manage the inherent challenges Pharmaceutical, Biotechnology and Medical manufacturing facilities face in meeting regulatory requirements. There may be a few reasons to consider why it still remains so difficult when it is such an accepted approach.
One reason it maintains to be difficult is that there still needs to be some degree of perceived value. The other reason is that it is a bit overwhelming for the beginner to delve into the world of QbD when there are so many standards, guides, industry practices and self-proclaimed experts providing endless perspectives on the topic.
With all of the different seminars, articles and other media referring to all of the different standards, guides and industry best practices it’s no wonder it seems like a daunting task. First lets list a few of the standards referenced in all types of forums and profession organizations. First there are ASTM standards: E2474, E2476 and E2500. Then there are ICH guidelines like ICH Q8, ICH Q9, ICH Q10 as well as FDA Guidance for Industry to name a few.
Align Current State with Future State
Even though it seems invariably that it is the right thing to do there still needs to be some level of value where business objectives are met while meeting regulatory requirement. To this point it can be beneficial to first execute an “alignment of current state programs and future state programs”. All too often organizations seem to think they can take a trip to the proverbial QbD store and buy a program off the shelf. Try starting a review of current programs to see how they actually complement each other which is an essential aspect of any QbD program. Begin by listing out all programs then asses the programs that have the most impact to your quality systems. Ask yourself if they are aligned to themselves or some key feed stock documents such as process characterization data:
- User Requirements
- Functional Requirements
- Critical Process Parameters
- Critical Quality Attributes
- User Requirement Traceability (URSt)
- Engineering Change Management
- Quality Change Control
Develop an Iterative Program
When you consider the fact that management of change is a major factor for success you need to understand the concerns. Cost is always one. Another is the reluctance to change since things seems to have been working just fine for some time now. After all – how many people can say they successfully executed a solid QbD program? Another concern is the level of change and the complexity of implementation. Since we have existing systems in place it may help to mitigate the cost concern, reluctance to change and the complexity of implementation if you develop a program that is iterative process. This approach makes incremental changes which may mitigate cost concerns by revamping only those procedures that need to be revamped. It would help mitigate the reluctance to change and the complexity of implementation simply because everything is not changing.
Execute – Effectively and with Confidence
The previous phases will position the program in a “Ready” state thereby ensuring that programs actually compliment the associated work, data is readily available to generate documents and systems are in proper state for execution. The following execution documents will be generated effectively and efficiently:
Deliver the Results
Tracking and documentation of the progress is essential since upper management will want some level of updates along the way with lessons learned type of case study. This case study should then be reviewed to identify the next steps. Below is one example:
$20MM project to install, start-up, commission and qualify a new process train and utility improvements in an existing 59,000 square foot cell culture facility.
Scope of work:
Commissioning and qualification of: sterile media feed, seed reactor, bioreactor, harvest vessel, and base addition vessel; microfiltration skid, chromatography column, chromatography skid, eluate vessel, and cold room; 2,500 square foot new Grade D clean room for solvent handling, multiple buffer prep/hold vessels, cold room, column master mover, qualification skid, slurry packing skid and slurry vessel; RODI distribution, HWFI distribution, AWFI distribution, process waste system, two CIP skids and distribution changes to facilitate improved cleaning, mixed gases redundancy, two CIP skids and distribution, RODI generation skid; process waste lift system, mixed gases system, utility sampling improvements.
Installation and start up was completed in seven weeks, with qualification completed through final report closures four weeks later. 237 protocols were written, approved, executed, post-approved and closed during this time frame with 72 protocols completed in a single month. Total project qualification effort was completed significantly ahead of target, resulting in a savings to the client of nearly $20 million—a recovery of about two-thirds the total project capital cost!
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