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Clinical Trial Details — Status: Suspended

Administrative data

NCT number NCT05676463
Other study ID # 22D.687
Secondary ID
Status Suspended
Phase Phase 2
First received
Last updated
Start date November 16, 2022
Est. completion date December 31, 2027

Study information

Verified date November 2023
Source Thomas Jefferson University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This phase II trial tests whether magnetic resonance imaging (MRI)-guided hypofractionated radiation therapy works to reduce treatment time and side effects in patients with high risk prostate cancer. MRI-guided hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time directly to diseased tissue, reducing damage to healthy tissue. Using MRI-guided radiation therapy on areas of the prostate and pelvic lymph nodes may shorten overall treatment time compared to the longer standard of care therapy and may reduce the number and/or duration of side effects.


Description:

PRIMARY OBJECTIVE: I. Evaluate late grade 2+ genitourinary (GU) toxicity. SECONDARY OBJECTIVE: I. Evaluating acute GU and gastrointestinal (GI) toxicity, late GI toxicity, overall survival, prostate cancer specific survival, biochemical failure, and quality of life. OUTLINE: Patients undergo MRI-guided intensity-modulated radiation therapy (IMRT) on study and receive standard of care (SOC) antiandrogen therapy (ADT) throughout the trial. Patients may also undergo prostate specific membrane antigen (PSMA) positron emission tomography (PET), computed tomography (CT), MRI, and bone scans at screening and undergo collection of blood samples throughout the trial.


Recruitment information / eligibility

Status Suspended
Enrollment 88
Est. completion date December 31, 2027
Est. primary completion date December 31, 2025
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion Criteria: - Age: above 18 years - Participants must be histologically proven, adenocarcinoma prostate - Localized to the prostate without positive pelvic lymph node involvement - No distant metastatic disease assessed by pretreatment PSMA PET or bone scan and CT scan - High risk prostate cancer as defined by National Comprehensive Cancer Network (NCCN): Gleason score of 8- 10, clinical stage T3a or higher, or prostate specific antigen (PSA) > 20 ng/mL - Ability to receive long term hormone therapy - Karnofsky performance score (KPS) > 70 - No prior history of therapeutic irradiation to pelvis - Patient willing and reliable for follow-up and quality of life (QOL) - English speaking/reading Exclusion Criteria: - Evidence of distant or pelvic metastasis at any time since presentation - Life expectancy < 2 years - Previous radiation therapy (RT) to prostate or prostatectomy - A previous trans-urethral resection of the prostate (TURP) - Severe urinary symptoms or with severe International Prostate Symptom Score (IPSS) score despite being on hormonal therapy for 6 months which in the opinion of the physician precludes RT - Patients with known obstructive symptoms with stricture - Any contraindication to radiotherapy such as inflammatory bowel disease

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
MRI-guided Intensity-Modulated Radiation Therapy
Undergo MRI-guided IMRT
Drug:
Antiandrogen Therapy
Receive SOC ADT
Procedure:
PSMA PET Scan
Undergo PSMA PET scan
Computed Tomography
Undergo CT
Magnetic Resonance Imaging
Undergo MRI
Bone Scan
Undergo bone scan
Biospecimen Collection
Undergo blood sample collection
Other:
Quality-of-Life Assessment
Ancillary studies

Locations

Country Name City State
United States Sidney Kimmel Cancer Center at Thomas Jefferson University Philadelphia Pennsylvania

Sponsors (1)

Lead Sponsor Collaborator
Thomas Jefferson University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of late grade 2+ genitourinary (GU) toxicity Per Common Terminology Criteria for Adverse Events version 5.0 compared to rate of toxicity in POP-RT trial. Will be estimated for the entire sample that receives the intervention, treating death from any cause (other than treatment) as a competing risk and censoring subjects who drop out before experiencing toxicity at time of last follow-up. A point estimate of cumulative incidence at 1 year will be estimated from this curve along with a two-sided 90% confidence interval. If the upper bound of the interval is less than 20%, the null hypothesis will be rejected. At 1 year
Secondary Incidence of acute GU and gastrointestinal (GI) toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. At baseline
Secondary Incidence of acute GU and gastrointestinal (GI) toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. At treatment completion, up to 10 days
Secondary Incidence of acute GU and gastrointestinal (GI) toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. every 3 months after treatment until 1 year
Secondary Incidence of acute GU and gastrointestinal (GI) toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. every 6 months beginning at year 2, assessed up to 4 years
Secondary Incidence of late GI toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. At baseline
Secondary Incidence of late GI toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. At treatment completion, up to 10 days
Secondary Incidence of late GI toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. every 3 months after treatment until 1 year
Secondary Incidence of late GI toxicity Will be estimated using a binomial proportion and exact 95% confidence interval. every 6 months beginning at year 2, assessed up to 4 years
Secondary Overall survival Will be estimated using the Kaplan-Meier method. At baseline
Secondary Overall survival Will be estimated using the Kaplan-Meier method. At treatment completion, up to 10 days
Secondary Overall survival Will be estimated using the Kaplan-Meier method. every 3 months after treatment until 1 year
Secondary Overall survival Will be estimated using the Kaplan-Meier method. every 6 months beginning at year 2, assessed up to 4 years
Secondary Prostate cancer specific survival Will be estimated using the Kaplan-Meier method. At baseline
Secondary Prostate cancer specific survival Will be estimated using the Kaplan-Meier method. At treatment completion, up to 10 days
Secondary Prostate cancer specific survival Will be estimated using the Kaplan-Meier method. every 3 months after treatment until 1 year
Secondary Prostate cancer specific survival Will be estimated using the Kaplan-Meier method. every 6 months beginning at year 2, assessed up to 4 years
Secondary Biochemical failure Defined as prostate specific antigen nadir plus 2 ng/ml. Will be estimated using the Kaplan-Meier method. At baseline
Secondary Biochemical failure Defined as prostate specific antigen nadir plus 2 ng/ml. Will be estimated using the Kaplan-Meier method. At treatment completion, up to 10 days
Secondary Biochemical failure Defined as prostate specific antigen nadir plus 2 ng/ml. Will be estimated using the Kaplan-Meier method. every 3 months after treatment until 1 year
Secondary Biochemical failure Defined as prostate specific antigen nadir plus 2 ng/ml. Will be estimated using the Kaplan-Meier method. every 6 months beginning at year 2, assessed up to 4 years
Secondary Quality of life measurement Using patient reported outcome-expanded prostate cancer index composite. Will be summarized using descriptive statistics. At baseline
Secondary Quality of life measurement Using patient reported outcome-expanded prostate cancer index composite. Will be summarized using descriptive statistics. At treatment completion, up to 10 days
Secondary Quality of life measurement Using patient reported outcome-expanded prostate cancer index composite. Will be summarized using descriptive statistics. every 3 months after treatment until 1 year
Secondary Quality of life measurement Using patient reported outcome-expanded prostate cancer index composite. Will be summarized using descriptive statistics. every 6 months beginning at year 2, assessed up to 4 years
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