FDA Software Verification and Validation

Main topic of today is using Agile in an FDA regulateddidn’t capture everything! Now, they realize
medical device context. Sounds like an impossibility Iit’s a myth that all the req’ts can be defined
know, but the folks from Agiletek and Abbottupfront, and as the gentleman from Abbott stated:
presented a very interesting case study on how they"Your requirements are final when the product is
did it. They started off by presenting "the way itretired from market."
used to work", highlighting an older product- Software verification and validation (V&V) -
development cycle from the 1990s that had verythey emphasized a risk-based approach. Run code
strictly defined dev phases, including a 10-12 weekinspections and reviews on the most critical areas of
integration cycle - yikes! When they decided tocode. Keep your requirements focused and high-level
implement Agile on a more recent project they brokeso testers are testing the important stuff.
up their 3-5 year dev cycle in 6 week iterations. HereAnyway, here are the results they found by
were the biggest barriers they found to achievingmodernizing their development with Agile: higher
this:visibility, lower costs (estimated schedule and team
- Documentation - they tackled this topic upfront.size reduction of 20-30%), higher quality product
There is a perception that the FDA wants truckloads(availability of working software allows for continuous
of docs from medical device manufacturers. TheV&V), and overall the project had a steady
reality is, according to the presenters, that’s notpace to it rather than mad integration scrambles or
the case… the FDA wants "enough" documentationbackend V&V chaos.
to demonstrate your process ("least burdensome" inThe one big aspect of Agile they weren’t able
FDA-speak). The biggest area is of courseto implement is the customer feedback component.
documenting requirements which they did through aThis is mainly due to the limitations med device
Capability Matrix.companies have around "pre-marketing" their product.
- Requirements - this required a big culture shift. TheyAll in all, a very interesting case study. Be interested
talked about past projects with 14 monthto hear where anyone else has seen this done in a
requirements definition phases… which stillhighly regulated environment.