- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04489719
Impact of DNA Repair Pathway Alterations on Sensitivity to Radium-223 in Bone Metastatic Castration-resistant Prostate Cancer
The Impact of DNA Repair Pathway Alterations Identified by Circulating Tumor DNA on Sensitivity to Radium-223 in Bone Metastatic Castration-Resistant Prostate Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OUTLINE:
Patients receive standard of care radium Ra 223 dichloride given by intravenous (IV) bolus every 4 weeks for up to 6 cycles. Patients undergo collection of blood every 1-3 months during radium Ra 223 dichloride treatment.
After completion of study, patients are followed up every 3 months for up to 5 years from the date of treatment completion.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Patrick Panlasigui
- Phone Number: 206-606-7486
- Email: ppanlas2@seattlecca.org
Study Locations
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Maryland
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Baltimore, Maryland, United States, 21287
- Recruiting
- Johns Hopkins University
-
Principal Investigator:
- Ana Kiess, MD
-
Contact:
- Noura Radwan
- Phone Number: 410-614-1570
- Email: Nradwan1@jh.edu
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Montana
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Bozeman, Montana, United States, 59715
- Active, not recruiting
- Bozeman Health Deaconess Hospital
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Washington
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Seattle, Washington, United States, 98109
- Recruiting
- Fred Hutch/University of Washington Cancer Consortium
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Principal Investigator:
- Evan Y. Yu, MD
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Contact:
- Patrick Panlasigui
- Phone Number: 206-606-7486
- Email: ppanlas2@seattlecca.org
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Wisconsin
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Madison, Wisconsin, United States, 53705
- Recruiting
- University of Wisconsin-Madison
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Principal Investigator:
- Glenn Liu, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patient must be >= 18 years of age
- Patient must have histopathologic diagnosis of prostate cancer
- Patient must have castration-resistant prostate cancer
- Patient must have radiographic evidence of bone metastasis
- Patients must be symptomatic from prostate cancer
- Patient must have plans to undergo treatment with radium-223
- Patient must have a PSA level >= 10 ng/mL
- Patient must have castrate testosterone levels demonstrated within the last 3 months prior to screening
- Patient must have anticipated survival > 3 months
- Patient must be willing and able to authorize consent
- Patient must be willing and able to comply with the protocol, including follow-up visits
Exclusion Criteria:
- Patient must not have visceral metastasis
Patients on regimens of radium-223 in combination with other antineoplastic agents are excluded
* Bone-targeted only therapy (e.g. denosumab or zoledronic acid) will be allowed
- Patients who have received prior radium-223
- Patients who have received prior platinum containing chemotherapy
- Absolute neutrophil count (ANC) < 1.5 x 10^9/L
- Hemoglobin (HB) < 9 g/dL
- Platelets (PLT) < 100 x 10^9/L
- Any condition which, in the investigator's opinion, makes the subject unsuitable for trial participation
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Observational (biospecimen collection)
Patients receive standard of care radium Ra 223 dichloride given by IV bolus every 4 weeks for up to 6 cycles.
Patients undergo collection of blood every 1-3 months during radium Ra 223 dichloride treatment.
|
Ancillary studies
Undergo collection of blood samples
Other Names:
Given IV
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Response rate
Time Frame: Up to 1 year
|
Response will be defined as having one or both of the following: confirmed prostate specific antigen (PSA) decline of >= 30% from baseline AND/OR confirmed alkaline phosphatase (ALP) decline >= 30% from baseline.
Response is evaluated throughout the course of treatment until the post-radium-223 end of treatment laboratory studies.
Confirmation of response by PSA and/or ALP requires a second consecutive value obtained >= 2 weeks after the first with sustained >= 30% decline.
Characterization of response rate to radium-223 in the DRD patient population will be assessed by binomial proportion with Clopper-Pearson exact 2-sided 95% confidence intervals.
|
Up to 1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Response rate
Time Frame: Up to 1 year
|
Comparison of treatment response (outcome/dependent variable) between cases and controls will be assessed using multivariate logistic regression modelling adjusting for secondary variables as appropriate.
Risk estimates will include odds ratios with 95% confidence intervals.
|
Up to 1 year
|
Response rate in those with previous PARP inhibitor therapy
Time Frame: Up to 1 year
|
A multivariate logistic model with PARP inhibitor status as a secondary independent variable and a sensitivity analysis excluding those exposed to PARP inhibitors.
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Up to 1 year
|
Overall survival
Time Frame: Up to 5 years
|
Survival by DRD status will be illustrated using univariate Kaplan-Meier curves.
Additionally, Cox-PH model adjusting for age, Eastern Cooperative Oncology Group (ECOG) performance status, Gleason grade score, baseline ALP, PSA, hemoglobin (HB), and lactate dehydrogenase (LDH) will be performed.
This analysis may be limited by expected small number of events, thus it may be limited to raw reporting of events by DRD status.
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Up to 5 years
|
Number of radium Ra 223 dichloride
Time Frame: Up to 6 months
|
Up to 6 months
|
|
Pain assessment
Time Frame: Up to 1 year
|
Assessed via Brief Pain Inventory survey
|
Up to 1 year
|
Analgesic usage
Time Frame: Up to 1 year
|
Up to 1 year
|
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Quality of life (FACT-P survey)
Time Frame: Up to 1 year
|
Assessed via FACT-P quality of life survey
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Up to 1 year
|
Incidence of adverse events
Time Frame: Up to 1 year
|
To access risk of adverse events by DRD status, 2 logistic models will be used.
The first will classify the dependent variable as an adverse event while the second model will classify the dependent variable as an adverse event < grade 3.
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Up to 1 year
|
Response rate
Time Frame: Up to 1 year
|
Investigate whether response rates by DRD versus non-DRD patients are modified by germline or somatic alteration status of DNA repair pathways.
|
Up to 1 year
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Evan Y. Yu, MD, Fred Hutch/University of Washington Cancer Consortium
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Urogenital Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Neoplasms
- Prostatic Neoplasms
- Carcinoma
- Antineoplastic Agents
- Radium Ra 223 dichloride
Other Study ID Numbers
- RG1006011
- NCI-2020-04699 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
- 10370 (Other Identifier: Fred Hutch/University of Washington Cancer Consortium)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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