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PA 9159

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Drug Profile

PA 9159

Alternative Names: PA-9159

Latest Information Update: 14 Jan 2026

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At a glance

  • Originator Anhui Palo Alto Pharmaceuticals
  • Class Antiallergics; Corticosteroids
  • Mechanism of Action Undefined mechanism
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes

Highest Development Phases

  • Phase II Allergic rhinitis; Asthma

Most Recent Events

  • 15 Oct 2025 Phase-II clinical trials in Asthma in China (Inhalation) (NCT07324707)
  • 25 Dec 2022 Anhui Palo Alto Pharmaceuticals completes a phase II trial in Allergic rhinitis (In adults, In children, In the elderly) in China (Intranasal) (NCT05234580)
  • 15 Apr 2022 Phase-II clinical trials in Allergic rhinitis (In children, In adults, In the elderly) in China (Intranasal) (NCT05234580)

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