2022
DOI: 10.3390/cancers14215225
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A Phase 1b Adaptive Androgen Deprivation Therapy Trial in Metastatic Castration Sensitive Prostate Cancer

Abstract: Background: We hypothesize that cancer survival can be improved through adapting treatment strategies to cancer evolutionary dynamics and conducted a phase 1b study in metastatic castration sensitive prostate cancer (mCSPC). Methods: Men with asymptomatic mCSPC were enrolled and proceeded with a treatment break after achieving > 75% PSA decline with LHRH analog plus an NHA. ADT was restarted at the time of PSA or radiographic progression and held again after achieving >50% PSA decline. This on-off cyclin… Show more

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Cited by 9 publications
(11 citation statements)
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“…This trial prompted further studies and investigations to analyze and interpret the significant improvement in disease control and patient survival, with a focus on the application of Evolutionary Game Theory [14,17,18,[20][21][22][23][24][25]. Evolutionary Game Theory is a subfield of game theory that combines game theory and evolutionary biology and has been applied in cancer research.…”
Section: Introductionmentioning
confidence: 99%
“…This trial prompted further studies and investigations to analyze and interpret the significant improvement in disease control and patient survival, with a focus on the application of Evolutionary Game Theory [14,17,18,[20][21][22][23][24][25]. Evolutionary Game Theory is a subfield of game theory that combines game theory and evolutionary biology and has been applied in cancer research.…”
Section: Introductionmentioning
confidence: 99%
“…Excitingly, in some arenas, such model-based predictions are empowering scientists to intervene in real time. One example is in the adaptive treatment of metastatic castration-sensitive prostate cancer, where personalized model-informed treatment strategies were adjusted based on a patient's past and current prostate-specific antigen levels (Zhang et al 2022). Another example emerged during the COVID-19 pandemic, wherein model-suggested strategies were implemented to mitigate disease spread, which in turn necessitated re-calibrating the model as new data emerged (Cassidy 2023;Buchwald et al 2021).…”
Section: Introductionmentioning
confidence: 99%
“…Our simulation studies suggest a lower threshold is better ( 17 ), so here we have used a 10% change in tumor burden to trigger a change in dose. C. Intermittent adaptive therapy stops dosing altogether if the tumor burden falls below a threshold (e.g., 50% of its initial value), and restarts treatment if the tumor recovers (e.g., to 100% of its initial value) ( 6,9 ).…”
Section: Introductionmentioning
confidence: 99%