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Upsher-Smith Laboratories

For profitContributed to NMEWebsite ↗

Also known as: UPSHER SMITH | Upsher-Smith Laboratories | Upsher-Smith Laboratories, Inc. | Upsher-Smith Laboratories LLC | UPSHER SMITH LABS | UPSHER-SMITH LABS | USL PHARMA

Phase 1Phase 2Phase 3Phase 4

Highest phase reached

Phase 4

First clinical trial

Jun 1, 2001

First marketed drug

Jul 9, 1974

First NDA

Apr 17, 1986

Last known activity

Jan 22, 2026

Timeline

1910s

  1. Jul 1, 1919

    Upsher-Smith Laboratories— Founded

1980s

  1. Apr 9, 1982

    phentermine— Marketing Organization

  2. Apr 17, 1986

    potassium chloride— NDA Organization

2000s

  1. Aug 12, 2005

    calcitonin salmon— NDA Secondary Org

2010s

  1. Jun 13, 2012

    Proximagen Limited— Acquired

Drugs by trial phase (10 distinct, 15 trials)

Phase 4 (5 own, 0 via acquisition)

Phase 3 (2 own, 0 via acquisition)

Phase 2 (2 own, 1 via acquisition)

Indications

Studied for

Marketed drugs (126)

Subsidiaries (1 direct, 1 total across the full acquisition tree)

Recent trials (15)

Details

Founded
Maple Grove, MN, US Jul 1, 1919
First NDA
Apr 17, 1986
Last known activity
Jan 22, 2026

Designations held

  • Priority review