Company: AZN
Filing Date: 2025-10-28
Form Type: 6-K
Source: 0001654954-25-012262
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Company: ASTRAZENECA PLC
Filing Date: 2025-10-28
Form: 6-K
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#### FORM 6-K
<div align='center'>SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of October 2025

Commission File Number: 001-11960</div>

#### AstraZeneca PLC
<div align='center'>1 Francis Crick Avenue

Cambridge Biomedical Campus

Cambridge CB2 0AA

United Kingdom

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F X Form 40-F __

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes __ No X

If “Yes” is marked, indicate below the file number assigned to the Registrant in connection with Rule 12g3-2(b): 82-_____________</div>

#### AstraZeneca PLC
<div align='center'>INDEX TO EXHIBITS</div>

#### 1.

#### Koselugo (selumetinib) approved in the EU
28 October 2025

<div align='center'>**Koselugo approved in the EU for plexiform neurofibromas in adults with neurofibromatosis type 1

Approval based on KOMET Phase III trial results which showed 20% objective response rate in tumour size reduction**</div>

Alexion, AstraZeneca Rare Disease's Koselugo (selumetinib), an oral, selective MEK inhibitor, has been approved in the European Union (EU) for the treatment of symptomatic, inoperable plexiform neurofibromas (PN) in adult patients with neurofibromatosis type 1 (NF1). 1

The approval by the European Commission follows the positive opinion of the Committee for Medicinal