Neoadjuvant Hiltonol® (PolyICLC) for Prostate Cancer
Phase I Study of In Situ Autologous Vaccination Against Prostate Cancer With Intratumoral and Systemic Hiltonol® (Poly-ICLC) Prior To Radical Prostatectomy
1 other identifier
interventional
13
1 country
1
Brief Summary
The purpose of this study is to test an approach of stimulating the body's immune system to attack prostate cancer. This study will test injection of a substance polylysine and carboxymethylcellulose (Poly-ICLC, Hiltonol®)through a needle guided by MRI (magnetic resonance imaging) ultrasound fusion technology into the prostate gland. Poly ICLC has been used to help the body in its fight against cancer. The first aim of the study is to determine the highest dose of a substance Poly-ICLC (Hiltonol®) that can be safely tolerated by the study participants. The second aim of the study is to find out the toxicity or side effects of poly-ICLC.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1 prostate-cancer
Started Jun 2017
Typical duration for phase_1 prostate-cancer
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 16, 2017
CompletedFirst Submitted
Initial submission to the registry
August 23, 2017
CompletedFirst Posted
Study publicly available on registry
August 25, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 6, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
May 6, 2022
CompletedSeptember 10, 2022
September 1, 2022
4.9 years
August 23, 2017
September 8, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Dose-Limiting Toxicity level
3+3 dose escalation rules to define a safe dose of preoperative intratumoral (IT) plus intramuscular (IM) Polyinosinic-polycytidylic acid stabilized with polylysine and carboxymethylcellulose (poly-ICLC, Hiltonol®) prior to radical prostatectomy
Week 6
Secondary Outcomes (2)
Number of adverse events
Week 6
Time to PSA progression
up to Week 12
Study Arms (4)
Cohort 1
EXPERIMENTALIntratumoral (IT) Poly ICLC 0.5 mg IT once/week (week 1) Intramuscular (IM) Poly ICLC 1 mg IM twice weekly (weeks 3-6) Followed by Radical Prostatectomy at Week 10
Cohort 2
EXPERIMENTALIntratumoral (IT) Poly ICLC 0.5 mg IT once/week (week 1+2) Intramuscular (IM) Poly ICLC 1 mg IM twice weekly (weeks 3-6) Followed by Radical Prostatectomy at Week 10
Cohort 3
EXPERIMENTALIntratumoral (IT) Poly ICLC 1.0 mg IT once/week (week 1) Intramuscular (IM) Poly ICLC 1 mg IM twice weekly (weeks 3-6) Followed by Radical Prostatectomy at Week 10
Cohort 4
EXPERIMENTALIntratumoral (IT) Poly ICLC 1.0 mg IT once/week (week 1+2) Intramuscular (IM) Poly ICLC 1 mg IM twice weekly (weeks 3-6) Followed by Radical Prostatectomy at Week 10
Interventions
1.0 mg IT once/week (week 1)
1 mg IM twice weekly (weeks 3-6)
Eligibility Criteria
You may qualify if:
- Written informed consent and HIPAA authorization for release of personal health information.
- Age \> 18 years at the time of consent.
- ECOG Performance Status of 0-1 within 14 days prior to being registered for protocol therapy (Study Procedure Manual).
- Histologically confirmed adenocarcinoma of the prostate (with previous diagnostic tissue available for tumor marker analysis).
- Gleason 7 - 10, cT2a - cT3b adenocarcinoma of the prostate with plans for radical prostatectomy
- PSA ≥ 4 ng/ml
- Tumor visible on multiparametric MRI
- Tolerated previous transrectal ultrasound guided biopsy procedure under local anesthetic
- Uncomplicated previous TRUS biopsy procedure (i.e., no prior hospitalization due to sepsis, prostatic abscess or severe hemorrhage following TRUS prostate biopsy)
- Willing to undergo the intra-tumoral (IT) injection of the Poly-ICLC into the prostatic tumor as per the protocol
- No prior hormonal therapy with the exception of oral 5-alpha-reductase inhibitors (finasteride, dutasteride, etc.). Patients who have received prior oral anti-androgen therapies (bicalutamide, flutamide, nilutamide, etc.) must be off treatment for at least 6 weeks prior to enrollment. Patients who have received prior LHRH agonist or antagonist therapy (leuprolide, goserelin acetate, etc.) are eligible provided serum testosterone is \> 50 mg/dl.
- No prior radiation therapy (external beam or brachytherapy) to the pelvis or prostate.
- No clinically significant infections as judged by the treating investigator.
- No characteristics suggesting a potential higher risk of infection with intraprostatic injections:
- Recurrent urinary tract infections or history of prostatitis within 3 months prior to enrollment into the study.
- +18 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Ashutosh Kumar Tewarilead
- Oncovir, Inc.collaborator
Study Sites (1)
Icahn School of Medicine at Mount Sinai
New York, New York, 10029, United States
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BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ashutosh K. Tewari, MD
Icahn School of Medicine at Mount Sinai
- STUDY DIRECTOR
Sujit S Nair, Ph.D.
Icahn School of Medicine at Mount Sinai
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Professor, System Chairman of the Department of Urology
Study Record Dates
First Submitted
August 23, 2017
First Posted
August 25, 2017
Study Start
June 16, 2017
Primary Completion
May 6, 2022
Study Completion
May 6, 2022
Last Updated
September 10, 2022
Record last verified: 2022-09