Disappointing Nerlynx sales shows Pierre Fabre timing is everything

Disappointing Nerlynx sales shows Pierre Fabre timing is everything

Caveat emptor. Executives at French group Pierre Fabre might be wishing they had brushed up on their Latin before shelling out $60m up front for European and African rights to Puma Biotechnology’s breast cancer drug Nerlynx.

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Fabre’s decision to buy in came less than six weeks before Puma reported disastrous first-quarter results, showing that Nerlynx had significantly missed expectations. First-quarter sales of $45.6m came up considerably short of the $67m the market had been expecting, prompting a slew of analyst downgrades and a 20% drop in Puma shares.

The miss was largely down to patient discontinuations due to severe diarrhoea, a side-effect of Nerlynx that requires anti-diarrhoeal medication to be indicated as part of treatment. It seems that even these measures cannot persuade already sick patients to remain on the therapy – nor, more importantly, to lure new patients in to replace those who have made it through the 12-month treatment window.

Alongside the $60m Pierre Fabre has already paid, the group is also on the hook for $345m in regulatory and commercial milestones. Given the worsening outlook for Nerlynx, Pierre Fabre might be grateful that it chose such a back-end heavy deal.

May 13, 2019

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May 14, 2019 / Pharma News