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Commitments (Tables)

12 Months Ended

Jun. 30, 2025

Commitments [Abstract]

Summary of Expenditure Commitments Relating to Services for Clinical Trial and Intellectual Property License Agreements

Expenditure commitments relating to these, and intellectual property license agreements are payable as follows:


		2025				2024				2023
		US$(000's)				US$(000's)				US$(000's)
Within one year			85				27,383				12,633
After one year but not more than five years			60				3,504				12,302
After more than five years			—				15				30
			145				30,902				24,965

Summary of Expenditure Commitments Payable

(ii)

Commercial commitments

The Group has entered into commercial agreements with various third parties in respect of services for preparation of OPT‑302 for launch and pre‑marketing phase. Expenditure commitments relating to these activities are payable as follows:


		2025				2024				2023
		US$(000's)				US$(000's)				US$(000's)
Within one year			—				63				47
After one year but not more than five years			—				—				—
After more than five years			—				—				—
			—				63				47