DRP Assurance

Services

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PV Processes, areas and equipment

Process Validation Protocols

Capable, in-control processes with statistical backing. A process can be running well and still have no way to prove it. We design statistically sound validation protocols that show your process is capable and in control, and that catch future drifts in time.

  • FDA PV Guidance 2011
  • EU GMP Annex 15
  • ICH Q9(R1)
  • ICH Q10
DRP · PVIn control

Signals

When do you need it?

  1. You're launching a product or transferring a processA new plant, new equipment, a scale-up or a change of critical supplier.
  2. There are recurring deviationsAnd it's unclear which parameter is causing them.
  3. Your current validation is just 3 batchesWith no continued verification or statistical rationale behind it.
  4. An inspection asked for justificationOf the acceptance criteria and the sampling plan.

Approach

Documentation that supports improvement

Well-executed process validation is also an optimization tool. Once you identify the critical parameters and measure their variability, you know where the margin is and where the risk is.

We cover all three life cycle stages: process design, process performance qualification and continued process verification. Acceptance criteria are justified and the statistical analysis is clear, not a black box.

Catching a drift before it happens saves deviations, investigations and batches.

DRP Assurance · Somos Pharma

How we do it

Service stages

  1. S1DesignCritical process parameters (CPP) and critical quality attributes (CQA).
  2. S2QualificationPPQ protocol, sampling and acceptance criteria.
  3. S3Continued verificationAlert and action limits, and trending.
  4. RPTReportConclusions, process capability and recommendations.

Regulatory framework

What the regulations require, point by point.

These are the references we work with for this service. We apply the ones that fit your market and your type of product.

FDA United States

  • Process Validation: General Principles and Practices (2011)Three-stage life cycle approach: design, qualification and continued verification.
  • 21 CFR 211.100 and 211.110Written procedures, production control and in-process sampling.

Deliverables

What you get.

Inspection-ready documentation, fully traceable and in your format. And a team trained to maintain it.

  1. Analysis of the existing processDocument review, variables and risks per ICH Q9.
  2. CPP and CQA identificationCritical parameters and attributes with their rationale.
  3. Validation protocolScope, sampling, methods and acceptance criteria.
  4. Statistical frameworkTools, process capability, alert and action limits.
  5. Report templatesFormats that make interpretation and decision-making easier.
  6. Continued process verification programTrending and periodic review to maintain the validated state.

FAQ

What clients ask before we start

Are three batches still required?

The number of batches must be justified based on risk and process knowledge. Three batches is common practice, not a universal requirement.

Do you perform the statistical analysis?

We design the statistical framework, criteria and tools, and work with your team to interpret the results.

What does continued verification include?

A monitoring plan for parameters and attributes with alert and action limits, plus periodic trend review.

Next step

Be ready for your next
regulatory challenge.

Tell us what you need to validate, qualify or document. In the first conversation we get to know your operation and tell you how we would approach it.

Let's talk