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DS 1103a

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Drug Profile

DS 1103a

Alternative Names: DS-1103; DS-1103a

Latest Information Update: 20 Aug 2026

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At a glance

  • Originator Daiichi Sankyo Company
  • Developer AstraZeneca; Daiichi Sankyo Company
  • Class Antineoplastics; Immunotherapies; Monoclonal antibodies
  • Mechanism of Action SIRPA protein inhibitors
  • 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 I Solid tumours

Most Recent Events

  • 28 Jul 2026 DS 1103a is still in Phase-I development for Solid tumours (Combination therapy, Inoperable/Unresectable, Late-stage disease, Metastatic disease, Second-line therapy or greater) in China, USA, France and Spain (IV, Infusion) (NCT05765851)
  • 28 Jun 2026 No recent reports of development identified for phase-I development in Solid-tumours(Combination therapy, Inoperable/Unresectable, Late-stage disease, Metastatic disease, Second-line therapy or greater) in China (IV, Infusion)
  • 28 Jun 2026 No recent reports of development identified for phase-I development in Solid-tumours(Combination therapy, Inoperable/Unresectable, Late-stage disease, Metastatic disease, Second-line therapy or greater) in France (IV, Infusion)

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