Rule 17.2 covers voluntary suspensions, which must have a clear...

Rule 17.2 covers voluntary suspensions, which must have a clear timeframe. Awaiting a drug trial is not a valid reason
Rule 17.11 covers delisting of entities which fail to trade within a reasonable timeframe

The ASX may grant extended suspension for companies negotiating survival. Opthea flagged a funding cliff in its last financials and the directors signed the accounts noting several points of material uncertainty surrounding the company's ability to continue to trade as a going concern.

Opthea will apply for an extension citing material uncertainty, instability and ongoing negotiations.