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Aptose Biosciences (APTO) investor relations material
Aptose Biosciences Q2 2025 earnings summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
Executive summary
Tuspetinib-based triplet therapy in AML showed strong safety and efficacy, with dose escalation ongoing and no dose-limiting toxicities observed; multiple complete responses reported.
Luxeptinib development paused to prioritize tuspetinib due to funding constraints.
Company remains pre-revenue, focused on clinical development and reliant on external financing, with Hanmi providing a loan facility.
Financial highlights
Net loss for Q2 2025 was $7.0M, down from $7.3M in Q2 2024; six-month net loss $12.6M, down from $16.9M year-over-year.
Cash, cash equivalents, and restricted cash at $1.3M as of June 30, 2025, down from $6.7M at year-end 2024; company relies on Hanmi advances.
Research and development expenses decreased to $3.3M for Q2 2025 from $4.4M in Q2 2024; general and administrative expenses increased to $3.6M from $2.9M.
Operating expenses for Q2 2025 were $6.9M, compared to $7.3M in Q2 2024.
Negative working capital of $5.7M and shareholders' deficit of $14.4M as of June 30, 2025.
Outlook and guidance
Ongoing enrollment in the 160mg dose cohort for the TUSCANY trial; further data updates expected at upcoming conferences.
Plans to initiate Phase 2/3 pivotal program and select optimal tuspetinib dose for future trials.
Research and development expenses expected to be lower in 2025 unless new financing is secured; general and administrative expenses may increase slightly.
Company is exploring strategic alternatives and additional financing options, but faces significant uncertainty due to delisting from Nasdaq and market conditions.
Actively pursuing financing and cost reduction to extend cash runway.
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