7:50 am Breakfast & Registration Opens
8:25 am Chair’s Opening Remarks
PONDERING PATIENT SELECTION TO OPTIMIZE CLINICAL TRIALS: IMPROVING TARGETING USING BIOMARKERS & SCREENING PLATFORMS
8:30 am Understanding DDRi’s In the Clinic: Why is Toxicity Such a Big Issue?
Synopsis
- On target vs off target toxicological effects; which inhibitors are more likely to
result in off target side effects? - How much inhibition is needed? Identifying the optimum therapeutic window
- Current strategies employed to minimize toxicological effects when designing clinical trials
9:00 am Addressing DDRi Toxicity: Dosing Schedules, Combination Studies & Biomarkers
Synopsis
- Weighing up the costs and benefits of alternative dosing schedules and tailoring them to specific patients
- Refining specificity: targeting tumors using the different screening platform
- Evaluating common biomarker approaches to patient selection: BRCA screening, HHR gene panel tests and HRD genomic instability assays
9:30 am Morning Break & Networking
10:00 am Homologous Recombination Deficiency (HRD) Testing for Treatment Selection in Ovarian Cancer
Synopsis
10:30 am Biomarkers Beyond Sequencing: Guiding DDR-Targeted Therapy With PET Imaging
Synopsis
- PET molecular imaging as a tool to guide targeted precision cancer therapy
- Assessing PARP-1 expression and PARPi pharmacology with radioligand PARPi analogs
- Pre-clinical and early clinical results demonstrating the utility of PET PARP imaging for patient selection and drug dosing
11:00 am Session reserved for Tempus
Synopsis
11:30 am Repli-Biom: a Novel Proteo-Genomic Approach to Identify Predictive Biomarkers of DDR Inhibitor Efficacy
Synopsis
- Repli-Biom combines proteomics, genomics, and synthetic lethality screens through computational approaches
- Through this analysis, Repli-Biom identifies and prioritizes predictive biomarkers of drug sensitivity
- This approach has now been used to identify novel biomarkers for ATR inhibitor treatments
12:00 pm Panel Discussion: How Do We Go About Biomarker Selection in Combination Studies?
Synopsis
- Are many different types of biomarkers required?
- Can biomarker selection help address toxicity issues?
- How can we bring down the costs of biomarkers, especially when so many are needed for combination studies?
12:30 pm Lunch & Networking
CONDUCTING COMBINATION STUDIES: A TWO-BIRDS-ONE-STONE APPROACH TO TACKLING TOXICITY & RESISTANCE
Chair By:
1:30 pm Adding On to Monotherapy: Combining DDR Inhibitors
Synopsis
- Combinations to combat emerging resistance; identifying combination agents
- Can the combination of DDRis result in overlapping toxicity? A case study of combining PARPi and ATRi
- Circumventing PLK inhibition: combining ATRN-W1051 with Wee1 or ATR inhibitors
2:00 pm Probing the Single Agent & Combination Utility of Targeting Human DNA Polymerase Theta (Pol ) with Small Molecule Inhibitors
Synopsis
- Summary of the discovery and validation of ART558 and ART812 as small molecule probes for in vitro and in vivo exploration of Pol biology
- Overview of the potential single agent and PARP combination utility of Polpolymerase inhibitors
2:30 pm Bachelor in Portfolio – in search of ATRi’s best partner
Synopsis
- Challenges to prioritize ATR inhibitor combinations
- Insights into promising DDRi combinations
- Relevance of genetic context for ATRi combinations
3:00 pm Evaluating DDR Combinations in the Clinic: Promises, Pitfalls, Challenges
Synopsis
- DDR combinations have shown promising synergistic activity in preclinical studies
- Challenges in overlapping toxicity have hampered the development of different DDR combinations
- Novel agents and clinical trial designs are needed to be implemented to overcome such challenges
3:30 pm Afternoon Break & Networking
4:00 pm Integrating Pre-Clinical Data & Advanced Radiation Therapy Planning to Maximize the Therapeutic Window For Potent Radiosensitizers
Synopsis
- Use of pre-clinical testing to define biologically effective radiosensitizing regimens
- Use of in vivo radiation toxicity modeling to define potential dose-limiting drug/ radiation interactions
- Use of pre-clinical modeling to select radiation fractionation and modification of clinical planning parameters to maximize the therapeutic window
4:30 pm ATM Inhibition Enhances the Efficacy of Radiation Across Distinct Molecular Subgroups of Pediatric High-Grade Glioma
Synopsis
- AZD1390 potentiated radiation across distinct molecular subgroups of pediatric high grade glioma cell lines
- ATM inhibition improved the efficacy of radiation in both TP53 wild-type and TP53 mutant orthotopic xenograft models
- We identified a novel mechanism of resistance to ATMi + radiation marked by an attenuated ATM pathway response and synthetic lethality with ATR inhibition