IDEAYA Biosciences
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IDEAYA Biosciences (IDYA) investor relations material

IDEAYA Biosciences 44th Annual J.P. Morgan Healthcare Conference summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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44th Annual J.P. Morgan Healthcare Conference summary12 Jan, 2026

Strategic focus, vision, and clinical pipeline

  • Focus on precision oncology with first- and best-in-class programs targeting solid tumors, rare aggressive cancers, and significant unmet needs.

  • Four clinical pipeline areas: darovasertib, ADCs/DNA damage repair, MTAP deletion, and tumor heterogeneity, with nine clinical-stage molecules and six internally discovered assets.

  • Utilizes predictive biomarkers, AI-driven drug discovery, and rational combinations, integrating CRISPR, chemigenomics, and computational design.

  • Focus on neoadjuvant/adjuvant indications, 1L metastatic disease, and synthetic lethality pathways.

  • Commercial strategy leverages oral administration, rapid market entry, and learnings from prior launches.

Key clinical data and trial updates

  • Darovasertib in metastatic uveal melanoma showed a 35% response rate, median duration of nine months, PFS of seven months, and OS over 21 months; top-line results are imminent.

  • Darovasertib + crizotinib achieved a 34.1% ORR and 90.2% DCR in mUM, with median OS of 21.1 months.

  • IDE849 (DLL3 ADC) demonstrated up to 80% ORR and 100% DCR in SCLC Phase 1, with PFS over six months.

  • IDE397 + Trodelvy in MTAP-deleted urothelial cancer achieved up to 57% ORR at higher dose levels.

  • Received FDA Breakthrough Therapy Designation for darovasertib in neoadjuvant UM; over half of patients avoided enucleation and gained significant vision.

Combination strategies and innovation

  • Strong focus on combination therapies, especially with DNA damage repair agents like PARG inhibitor IDE161, to enhance ADC durability.

  • Preclinical and in vivo data support PARG inhibition with TOPO-ADCs, showing enhanced efficacy.

  • IDE849 and bispecific ADCs are being advanced for SCLC and neuroendocrine tumors, with plans for registrational studies and combination trials.

  • IDE034, a bispecific B7H3 PTK7 ADC, shows superior efficacy versus mono-TOPO-ADCs in preclinical models.

  • Systemic combination approaches offer dosing flexibility compared to fixed dual payload ADCs.

Darovasertib: How to avoid Kemtrak's market issues?
Systemic DDR vs. dual payload ADC advantages?
IDE397 + Trodelvy: Durability and go/no-go criteria
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Frequently asked questions

IDEAYA Biosciences Inc. is a clinical-stage biotechnology firm primarily engaged in the discovery and development of precision medicine therapeutics for cancer patients. The company's research focuses on synthetic lethality, an innovative class of precision medicine targets, aiming to produce therapeutics that are first-in-class and/or best-in-class. IDEAYA Biosciences leverages molecular diagnostics to select patient populations for its targeted therapies, emphasizing an integrated approach to the discovery and development of biomarkers and therapeutics. This approach spans early discovery through clinical development, targeting unmet needs in cancer treatment. The company is headquartered in South San Francisco, California, and its shares are listed on the NASDAQ.

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