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Traditional drug-discovery model ripe for reform

A Correction to this article was published on 09 March 2011

Academic researchers set to play much greater role in pharmaceutical development.

The kit may have improved, but the in-house drug discovery model has changed relatively little. Credit: HULTON–DEUTSCH/CORBIS

With drug pipelines running dry and a slew of blockbuster medicines about to lose patent protection, the voices arguing that the traditional drug-development process is too expensive and inefficient to survive are getting louder.

Employing thousands of in-house scientists to develop drug candidates from scratch has turned into a billion-dollar gamble that simply isn't delivering enough profitable products to market. Bernard Munos, founder of the InnoThink pharmaceutical policy research group in Indianapolis, Indiana, is not alone in believing that the next three years "will probably see an implosion of the old model" of drug discovery.

So what comes next? Cutbacks, certainly: witness Pfizer's dramatic announcement early last month that it will soon close its research site at Sandwich, UK, and slice roughly US$1.5 billion from its proposed 2012 research and development spend (see Nature 470, 154; 2011). But beyond that, perhaps, a rethink of the old divisions of labour is needed.

Canny drug-makers are listening to those who propose that they should increasingly outsource early-stage drug development, including phase I safety trials, to academia or to small, specialist companies. This would leave pharmaceutical companies to focus on their strengths: running large clinical trials and marketing medicines.

One such model was the focus of a meeting in Toronto, Canada, on 16 February, involving some 40 leading lights from industry, academia and funding agencies. The meeting was co-convened by Chas Bountra, head of the Structural Genomics Consortium at the University of Oxford, UK, who argues that a key problem with the current system is that companies tend to work in parallel, identifying similar or identical target molecules while remaining unaware that the compounds may have already been tested and discarded by rivals. "What we're trying to do is reduce that duplication," he says.

His scheme adopts the highly collaborative approach pioneered by those working on cures for neglected diseases, in which intellectual property (IP) restrictions are lifted. Companies would begin to compete only after early clinical trials had shown a drug to be safe and potentially effective. Up to that point, all data on prospective drug candidates would be published openly. This would allow targets to be validated much more quickly, says Bountra, potentially giving enormous savings in cost. It would also prevent companies "exposing patients to molecules that other organizations already know are going to be ineffective".

The model would rely heavily on academic scientists supported by a global initiative costing about $325 million a year, with half coming from the pharmaceutical industry and half from public and charitable sources. Successful drug candidates would be made available for the initiative's commercial sponsors to buy and bring to market.

Industry already believes that this is a fine solution for programmes in areas without major commercial interest, such as neglected diseases, says Stephen Friend, an organizer of the meeting and president of non-profit research organization Sage Bionetworks, based in Seattle, Washington. The key difference in the Toronto proposal is that it may also be a "viable way to improve return on investment in commercially important areas", he says.

Bountra is confident that within the next two months he will complete negotiations to sign up two industry partners, two public funding partners and two academic partners. The response at the meeting, to which all the large drug companies sent representatives, was very positive from all involved, say attendees. "The more we discussed it, the more convinced we were that this is the only way forward," says Bountra. A follow-up meeting in San Francisco in April will flesh out the plans.

Meanwhile, government funders of research are trying out similar initiatives. The UK Medical Research Council has established the Developmental Pathway Funding Scheme to support the development of basic science into drugs and medical devices. And Francis Collins, head of the US National Institutes of Health, is proposing a National Center for Advancing Translational Sciences to push more basic science towards the medical market (see page 15).

“Heavy investment is required, and it has to be carried by somebody's money. , ”

Ted Bianco, director of technology transfer for the Wellcome Trust, a UK biomedical research funder, agrees that shifting early-stage drug discovery work to academia could fix some of pharma's problems. The trust's Seeding Drug Discovery initiative already funds researchers to optimize drug candidates and take them through to clinical trials. But Bianco points out that commercial partners in Bountra's initiative would expect to see a financial return: "The dilemma is that heavy investment is required, and it has to be carried by somebody's money."

Bountra's IP-free model could also deprive collaborating universities of the opportunity to profit from spin-out companies, says Melanie Lee, chief executive of Syntaxin, a biotech company based in Oxford, UK, who attended the Toronto meeting. Bountra says he doubts that will discourage academics, who get into drug discovery to develop medicines, not to acquire intellectual property.

But Patrick Vallance, senior vice-president for medicines development and discovery at London-based drug-makers GlaxoSmithKline (GSK), also believes that IP will be the most contentious part of Bountra's model. "I'm completely on board with the idea you don't really know if you're on track until you've done an experiment in the clinic, and that you should publish that early," he says. But "it's much more complex to determine where you need to secure the IP along that chain, and I think it will differ from molecule to molecule".

Nevertheless, his company is experimenting with open innovation, having last year put more than 13,000 potential anti-malarial drug structures into the public domain to encourage academics to identify promising leads. "One of the reasons I want to push that model very hard is that if it works in malaria — and we've yet to see what the uptake from academics and others is — I don't see how you could do anything but pursue it in other areas," says Vallance.

Vallance notes that industry is also developing new models of academic collaboration. GSK announced this month that it will collaborate with Mark Pepys, head of medicine at the Royal Free and University College Medical School in London, to develop a candidate drug for amyloidosis, a protein disorder. The idea, says Vallance, is not just to buy up promising molecules, but to form long-term partnerships that last all the way through drug development.

All these models put academic researchers at the heart of drug discovery. But they will fail unless more money flows from governments, charities and industry into academic labs, says Cathy Tralau-Stewart, who heads Imperial College London's drug discovery research unit. "Academic drug discovery is growing and is becoming much more important," she says, "but if we don't solve the funding issues, then the pharma companies will not have a pipeline of innovative drugs in ten years' time."


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For a longer interview with Patrick Vallance, see

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Cressey, D. Traditional drug-discovery model ripe for reform. Nature 471, 17–18 (2011).

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