- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03657108
CivaSheet With Radical Prostatectomy & Adjuvant External Beam Radiation
A Phase I Single-Arm Open Label Dose-Escalation Study of CivaSheet With Radical Prostatectomy With or Without Adjuvant External Beam Radiation Therapy in Patients With High Risk Prostate Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Using preoperative MRI imaging to identify areas suspicious of local advancement in addition to identifying areas with a higher likelihood of a positive margin during RP due to the presence of high risk features, Civasheet® and its inherently flexible structure allow the sheet to be directly implanted on areas suspicious for local advancement and positive surgical margins for direct application of radiation to these areas. The custom, single planar layer, integrative gold shielding of Civasheet® also allows radiation to be provided unidirectionally to allow healthy tissue (i.e., bladder, rectum) to be shielded from radiation; possibly affording a lower rate of gastrointestinal (GI) and genitourinary (GU) toxicity and adverse events. During EBRT, radiation especially for high risk PCa is provided at high rates to the entire prostatic bed with the seminal vesicles, pelvic lymph nodes and a surrounding margin often targeted to eliminate positive margins and cancer from locally advanced areas in which the cancer may have spread (i.e., seminal vesicles, bladder neck). These high rates of radiation often damage surrounding tissue and result in rectal and bladder complications in addition to urethral strictures among other adverse complications. Since Civasheet® will provide radiation to the prostatic bed, a lower dose of EBRT will be used to treat the prostatic bed and potentially lower adverse bladder and rectal effects compared to RP + RT at 60 Gy. 103 Pd seeds of Civasheet® also illuminate on imaging. Therefore placing Civasheet® based on pre-operative identification of areas suspicious for local advancement and areas of likely positive surgical margins during RP will allow for targeted EBRT to the locally advanced areas. Since EBRT can be targeted using Civasheet®, a lower and more direct dose of radiation during EBRT may be used to treat local advancement and positive surgical margins which will potentially reduce toxicity and complications associated with higher doses of radiation.
The above properties are likely to facilitate improved cancer control with more direct and local application of radiation to areas of local advancement surrounding the prostate. These features are also likely to facilitate a reduced complication and toxicity profile since Civasheet® allows EBRT to be applied more accurately and at a lower dose and also the unidirectional radiation applied directly by Civasheet® protects surrounding healthy tissue from receiving radiation.No other studies have attempted to use Civasheet® to improve PCa control and reduce toxicity and complications associated with radiation for participants with high-risk prostate cancer. The investigators anticipate that implanting Civasheet® on areas suspicious for local advancement and positive margins based on pre-operative MRI findings and identification of high risk features in addition to relying on the illumination provided by Civasheet® for targeted adjuvant EBRT will provide a safer complication profile and eventually provide evidence for superior cancer control, lower toxicity and less adverse events than EBRT+ RP alone in a future randomized controlled trial. The investigators therefore propose a phase I single-arm open label dose escalation study to evaluate the MTD and safety of Civasheet® with RP and adjuvant EBRT in a 3+3 dose escalation design among participants with high risk PCa.With this study, the investigators to better understand the MTD, safety and toxicity profile of Civasheet® in the setting of RP + adjuvant EBRT in the treatment of high-risk PCa.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
New York
-
New York, New York, United States, 10029
- Icahn School of Medicine at Mount Sinai
-
New York, New York, United States, 10019
- Mount Sinai West
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Any subject with National Comprehensive Cancer Network (NCCN) very high or high risk adenocarcinoma of the prostate defined as ≥T3a, Gleason score ≥ 8, or PSA > 20 who is eligible for RP (open or robotic) with adjuvant EBRT as an initial treatment option.
- Any subject with NCCN Intermediate Risk adenocarcinoma of the prostate defined as T2b-T2c, Gleason score 7, or PSA 10-20 who is eligible for RP (open or robotic) with adjuvant EBRT as an initial treatment option and at least one of the following adverse features present in pre-operative imaging: seminal vesicle infiltration (SVI), extracapsular extension (ECE), N1 disease.
- Subject must have had a pre-operative MRI or must obtain a pre-operative MRI to be eligible for participation in this study.
- Ability to understand and the willingness to sign a written informed consent.
Exclusion Criteria:
- Any subject who has undergone prior radiation to the pelvis.
- Subjects presenting with distant metastases.
- On any investigational drug(s), androgen deprivation therapy or therapeutic device(s) within 30 days preceding screening.
- Currently taking immunosuppressants, or with poorly controlled diabetes (HbA1c >8).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: group 1 of 60 Gy dose
The first 3 subsequent patients with high risk prostate cancer will be undergoing radical prostatectomy Interventions: Civasheet 60 Gy + Adjuvant external beam radiation therapy
|
implantable proposed doses of Civasheet are 60 Gy
45 Gy in 25 fractions
Other Names:
|
Experimental: group 2 of 60 Gy dose
The second 3 subsequent patients with high risk prostate cancer will be undergoing radical prostatectomy Interventions: Civasheet 60 Gy + Adjuvant external beam radiation therapy
|
implantable proposed doses of Civasheet are 60 Gy
45 Gy in 25 fractions
Other Names:
|
Experimental: group 1 of 75 Gy dose
The third 3 subsequent patients with high risk prostate cancer will be undergoing radical prostatectomy Interventions: Civasheet 75 Gy + Adjuvant external beam radiation therapy
|
45 Gy in 25 fractions
Other Names:
implantable proposed doses of Civasheet are 75 Gy
|
Experimental: group 2 of 75 Gy dose
The fourth 3 subsequent patients with high risk prostate cancer will be undergoing radical prostatectomy Interventions: Civasheet 75 Gy + Adjuvant external beam radiation therapy
|
45 Gy in 25 fractions
Other Names:
implantable proposed doses of Civasheet are 75 Gy
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum Tolerable Dose (MTD)
Time Frame: 90 days
|
MTD is defined as the highest dose of the Civasheet® not yielding unacceptable toxicity.
Specifically if > 33 % of subjects experience dose limiting toxicity (DLT) at any dose level, the dose level below that level will be considered the MTD.
|
90 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Surgical Complications
Time Frame: intraoperative, postoperative - acute (< 90 days) and late (18 months)
|
Number of surgical major complications (major complications defined as Clavien≥3.): intraoperative, post operative - acute (< 90 days) and late (18 months). Grade III - Requiring surgical, endoscopic or radiological intervention Grade IV - Life-threatening complication (including central nervous system (CNS) complications) requiring intensive care (IC/ICU)-management Grade V - Death of a patient |
intraoperative, postoperative - acute (< 90 days) and late (18 months)
|
Number of Participants With Biochemical Recurrence (BCR)
Time Frame: 6-month follow-up after EBRT
|
Number of participants with Biochemical recurrence (BCR) at 6-month follow-up after EBRT.
BCR was defined as a post-prostatectomy serum prostate-specific antigen (PSA) level greater than 0.2 nanograms per milliliter (ng/mL).
|
6-month follow-up after EBRT
|
Number of Participants With Erectile Dysfunction
Time Frame: 6 months after EBRT
|
Number of participants with Erectile Dysfunction at least 6 months after EBRT
|
6 months after EBRT
|
Number of Participants With PSA Persistence
Time Frame: 40 months
|
Number of participants with PSA persistence which is defined as PSA persistently greater than 0.2 ng/mL after surgery.
|
40 months
|
Number of Participants With Urinary Incontinence
Time Frame: at least 6 months after EBRT, up to 40 months
|
Number of Participants with Urinary Incontinence at least 6 months after EBRT
|
at least 6 months after EBRT, up to 40 months
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Acute Radiation Toxicity
Time Frame: 3 months
|
Number of participants with Acute (occurring within 90 days) radiation toxicity using the Radiation Therapy Oncology Group (RTOG) Acute Toxicity Scale and Late Radiation Morbidity scales; including Grade 4-5 hematuria, fistula formation, proctitis or death.
|
3 months
|
Number of Participants With Late Radiation Toxicity
Time Frame: after 90 days, up to 4 years 10 months
|
Number of participants with Late (occurring after 90 days) radiation toxicity using the Radiation Therapy Oncology Group (RTOG) Acute Toxicity Scale and Late Radiation Morbidity scales; including Grade 4-5 hematuria, fistula formation, proctitis or death.
|
after 90 days, up to 4 years 10 months
|
Number of Radiation Adverse Event(s)
Time Frame: 4 years 10 months
|
National Cancer Institute's Common Terminology Criteria for Adverse Events Version 4.0 (NCI-CTCAE v4.0); 5 Grades where Grade 1 is the better outcome and Grade 5 is the worse outcome
|
4 years 10 months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Ketan K. Badani, MD, Icahn School of Medicine at Mount Sinai
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- GCO 16-1314
- PD 16-03067 (Other Identifier: Icahn School of Medicine at Mount Sinai)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
- ANALYTIC_CODE
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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