Observational Longitudinal Study of Pain in Men With Metastatic Castrate-Resistant Prostate Cancer
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About
This is a single-arm observational longitudinal study in of patients with metastatic castrate-resistant prostate cancer designed to assess the longitudinal trajectory of pain and other symptoms.
Full description
This is a single-arm observational longitudinal study in of patients with metastatic castrate-resistant prostate cancer designed to assess the longitudinal trajectory of pain and other symptoms. The study aims to address several key methodological questions that will inform the design of future clinical trials with symptom endpoints in this population, including: the definition of "clinically meaningful" pain; criteria for concluding a clinically meaningful pain reduction; criteria for concluding clinically meaningful pain progression; reliable methods quantifying analgesic use (given that "equianalgesic tables" and "point scoring systems" are generally considered unreliable by pain researchers and regulatory agencies , , ); ideal recall periods for pain questions; tradeoffs of different frequencies of symptom reporting; symptom trajectories over time; and associations of pain scores with other metrics used in prostate cancer research (imaging, PSA values, circulating tumor cells, etc).
Enrollment
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Inclusion criteria
- The subject must be ≥ 18 years old on the day of consent.
- The subject is able to understand written and spoken English
- The patient must have histologically or cytologically confirmed prostate adenocarcinoma.
- The subject must have castration-resistant prostate cancer (CRPC)
- The subject must have metastatic disease involving bone, seen on radiographic imaging (bone scan, CT scan, PET scan, or MRI).
- The subject must be in a castrate state (e.g., currently receiving androgen deprivation therapy or have had an orchiectomy).
- The subject must be starting any line treatment post-androgen deprivation/antiandrogen therapy, such as the following: chemotherapy (e.g., docetaxel, paclitaxel, carboplatin, cabazitaxel, or mitoxantrone); abiraterone acetate; MDV3100; ketoconazole; sipuleucel-T; Radium 223.
- The subject owns or has regular access to a telephone (cellular or land line).
- The subject is willing and able to self-report pain and analgesic use via an automated telephone system.
- The subject is willing and able to provide informed consent.
Exclusion criteria
- The subject has small cell or predominantly neuroendocrine differentiated prostate tumor.
Trial design
213 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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