SR&ED Case Study: Drug Delivery Technology

Hands of woman holding a box

Background

A pharmaceutical development company was working with a compound that showed strong efficacy in vitro but very poor oral bioavailability, limiting its viability as an oral therapeutic.

The Challenge

It was unclear whether any delivery formulation could sufficiently improve the compound’s absorption without altering its therapeutic activity or introducing stability problems.

Technological Uncertainty

It was not known in advance whether a particular formulation approach could overcome the compound’s specific solubility and permeability limitations, or how the formulation would interact with the compound’s stability over shelf life.

Experimental Development

The team systematically tested multiple formulation approaches, including alternative particle engineering and excipient combinations, measuring dissolution rate, simulated absorption, and stability under accelerated conditions for each formulation.

What Failed?

An initial particle-size reduction approach improved dissolution but introduced stability problems during accelerated aging testing, requiring the team to investigate a stabilizing excipient combination that had not been previously used with this compound class.

Technological Advancement

The team developed a formulation combining a specific particle engineering technique with a stabilizing excipient system that met both bioavailability and stability targets, generating new formulation knowledge specific to this compound.

Potentially Relevant SR&ED Activities

  • Systematic formulation testing across particle engineering and excipient combinations
  • Dissolution and simulated absorption testing across formulations
  • Accelerated stability testing to evaluate formulation shelf-life performance

What Would Generally Not Qualify

Manufacturing the finalized formulation at commercial scale using validated, established processes would be routine production and would not itself qualify.

Documentation

Dissolution and stability test data across formulation iterations, technical formulation notes, and comparative analysis of excipient combinations would support this claim.

About The Author

Dale Doering

Dale Doering is the owner of SRED Consultants Inc., helping businesses navigate the complexities of Scientific Research and Experimental Development (SR&ED) claims. With a strong understanding of the technical and interpretive requirements of the SR&ED program, Dale works with companies to identify eligible projects, document technological challenges, and clearly demonstrate the systematic experimentation or analysis undertaken to achieve advancement. His approach focuses on translating complex technical work into well-supported SR&ED claims, helping clients maximize eligible opportunities while maintaining a clear understanding of the program’s requirements.

Recent Posts

Frequently Asked Questions

What initial challenge made this drug development project eligible for SR&ED?

The project faced a fundamental technological uncertainty: the core compound showed strong efficacy in vitro, but had very poor oral bioavailability. It was unknown in advance whether any formulation could improve its solubility and absorption without compromising therapeutic activity or shelf-life stability.

The team systematically tested multiple formulation approaches, including particle engineering techniques and various excipient combinations. For each iteration, they measured dissolution rates, simulated absorption, and evaluated stability under accelerated conditions.

Yes. An initial particle-size reduction attempt successfully improved dissolution but caused stability issues during accelerated aging tests. This failure forced the team to investigate a novel, stabilizing excipient combination not previously used with this compound class.

– Qualifying Activities: Systematic formulation testing, dissolution/simulated absorption testing, and accelerated stability testing.

– Excluded Activities: Commercial-scale manufacturing of the finalized formulation using established, validated processes, as this constitutes routine production.

Related Post