The short version
4 companies supply this market — a reasonable cushion if one runs into trouble. The price has fallen 36% in a year, to $0.2046 per unit — and generics that get this cheap tend to get abandoned rather than defended. 6 Class II recalls hit this product in the past year (Heritage Pharmaceuticals Inc). One of its named manufacturing plants, USV Private Limited, failed FDA inspectionwithin the last two years — the agency’s most serious outcome. Put together: worth watching — several of the pressures that precede supply trouble are present at once. Historically, drugs in this position went on to a new shortage within 90 days about 0.3% of the time — roughly 2× the typical drug (0.1%).
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