Custom Synthesis - Is This the Future For Development of New Drugs?

Historically pharmaceutical companies did all their ownsynthesis. A number operate as 'one-stop shops' and
research and development in house. Over the lastprovide the whole range of chemistry services that
few years however, while the cost of discoveringthe chemistry department of a traditional
and developing a new drug has rocketed to almostpharmaceutical company might have once provided.
$1 billion the number of new drugs approved hasThese cover the diverse range from drug discovery
dropped considerably, to almost half of the level into manufacture of commercial drug substances.
the nineties. Many blockbuster pharmaceuticals areThe outsourcing companies can ensure that prices
coming off patent in the near future. In addition,are kept competitive. A pharmaceutical company
newer technologies are resulting in the growth of thedoes not now have to maintain a large R&D
number of candidate drugs that need to be tested.workforce. Specialist outsource providers become
These pressures are combining to change theexpert in their particular areas and the pharmaceutical
historical models operated by pharmaceuticalcompanies benefit from this expertise. This is
companies.particularly relevant in the custom synthesis and lead
One of the changes is that pharmaceutical companiesoptimisation areas where suppliers can develop special
are increasingly turning to specialist outsourcingexpertise. Timely process development is essential as
providers to cover both peaks in demand and toit is often on the critical path to new drug
concentrate on core capabilities, which are usuallydevelopment. So is GMP synthesis when clinical trials
research and marketing.have been committed to. Time lines are minimised
Chemistry services loom large in those servicesusing this model. This ensures the maximum period of
outsourced including custom synthesis, processpatent protection is achieved before generic suppliers
development, scale-up, GMP synthesis from leadenter the market and depress prices and profit
optimisation to clinical phase III.margins. A diverse supplier database has developed in
Specialist chemistry providers carve out niches forrecent years and ensures that new drugs will
themselves and generally offer one or two specificcontinue to be developed and benefit mankind in the
services, typically custom synthesis [ and leadfuture.
optimisation or process development and GMP