PhI­II Alzheimer’s drug goes bust — and a ma­jor set­back at Eli Lil­ly and As­traZeneca may doom the class

An­oth­er big Phase III Alzheimer’s pro­gram is be­ing scrapped at Eli Lil­ly $LLY and As­traZeneca $AZN, of­fer­ing fresh ev­i­dence that the en­tire BACE class may be com­plete­ly use­less in slow­ing or pre­vent­ing the dis­ease in symp­to­matic pa­tients.

The drug this time is lan­abece­s­tat, which Lil­ly grabbed close to 4 years ago in a $500 mil­lion pact with As­traZeneca — a mod­est $50 mil­lion in cash. At the time, Lil­ly was plug­ging a gap in its Alzheimer’s pipeline af­ter the fail­ure of its own BACE ef­fort due to tox­i­c­i­ty is­sues with that par­tic­u­lar med­ica­tion.

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