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Positron Emission Tomography Using 64Cu-SAR-bisPSMA in Participants With High-risk Prostate Cancer Prior to Radical Prostatectomy

Positron Emission Tomography Using 64Cu-SAR-bisPSMA in Participants With High-risk Prostate Cancer Prior to Radical Prostatectomy: A Prospective, Single-arm, Multi-center, Blinded-review, Phase 3 Diagnostic Performance Study

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06056830
Acronym
CLARIFY
Enrollment
383
Registered
2023-09-28
Start date
2023-12-21
Completion date
2026-09-01
Last updated
2026-09-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prostate Cancer, Prostatic Neoplasms

Brief summary

The aim for this study is to assess the diagnostic performance of 64Cu-SAR-bisPSMA PET to detect regional nodal metastases.

Interventions

All Patients will receive a single administration, a bolus injection of 200MBq 64Cu-SAR-bisPSMA.

Sponsors

Clarity Pharmaceuticals Ltd
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* At least 18 years of age. * Signed informed consent. * Untreated, histologically confirmed adenocarcinoma of the prostate. * High-risk or greater PC defined by National Comprehensive Cancer Network Guidelines Version 1.202327 (clinical stage ≥T3a, or Grade Group ≥4, or PSA \>20 ng/mL). * Patients electing to undergo RP with PLND.

Exclusion criteria

* Administration of any high energy (\>300 KeV) gamma-emitting radioisotope within 5 physical half-lives prior to Day 1. * Known or expected hypersensitivity to 64Cu-SAR-bisPSMA or any of its components. * Patients with known predominant small cell or neuroendocrine PC.

Design outcomes

Primary

MeasureTime frameDescription
Diagnostic performance of 64Cu-SAR-bisPSMA PET to detect regional nodal metastasesUp to 16 weeksIndependent primary endpoints for Day 1 and Day 2 PET: Co-primary endpoint of sensitivity and specificity of 64Cu-SAR-bisPSMA PET to detect Prostate Cancer within the pelvic lymph nodes compared to the Standard of Truth.

Secondary

MeasureTime frameDescription
Safety and tolerability of 64Cu-SAR-bisPSMAUp to 16 weeksIncidence and severity of treatment-emergent AEs and SAEs following administration of 64Cu-SAR-bisPSMA
Consistency of 64Cu-SAR-bisPSMA PET/CT interpretations for the three central readersUp to 16 weeksInter-reader reliability of agreement estimated with a multiple-reader kappa statistic
PPV and NPV of 64Cu-SAR-bisPSMA PET to detect PC within the pelvic LNsUp to 16 weeksPPV and NPV of 64Cu-SAR-bisPSMA PET to detect PC within the pelvic LNs compared to the Standard of Truth
Ability of 64Cu-SAR-bisPSMA PET to detect Prostate CancerUp to 16 weeksSensitivity of 64Cu-SAR-bisPSMA PET to detect PC within the prostate gland compared to the Standard of Truth
Diagnostic performance of 64Cu-SAR-bisPSMA PET to detect regional nodal metastases without subregion matchingUp to 16 weeksSensitivity and specificity of 64Cu-SAR-bisPSMA PET to detect PC within the pelvic LNs compared to the Standard of Truth, without the requirement of subregion (Left or Right) matching between 64Cu-SAR-bisPSMA PET and Standard of Truth

Countries

Australia, Puerto Rico, United States

Contacts

CONTACTClarity Pharmaceuticals
clinicaltrials@claritypharmaceuticals.com+61 (0) 2 9209 4037
STUDY_DIRECTORClarity Pharmaceuticals

Clarity Pharmaceuticals

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 12, 2026