AbbVie Inc. claimed an important win on April 9 when it reported positive efficacy and safety in rheumatoid arthritis for its JAK1 inhibitor upadacitinib in the drug's largest and longest Phase III clinical trial to date, including a lack of cardiovascular events that raised red flags in other late-stage studies.
The company engineered upadacitinib to specifically target JAK1 in an effort to produce a safer JAK inhibitor, but previously revealed...







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