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CompletedNCT03809078Updated Jan 11, 2024Results posted

68Ga PSMA 11 PET/MRI and 68Ga RM2 PET/MRI for Biopsy Guidance in Patients With Suspected Prostate Cancer

A Phase 2 interventional study of 68Ga RM2 and 68Ga-PSMA-11 in Prostate Cancer, sponsored by Andrei Iagaru. Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-01-11.

Sponsored by Andrei Iagaru · Phase 2, Interventional, and Diagnostic

Phase
Phase 2
Study type
Interventional
Enrollment
14
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The objective of the study is to evaluate 68Ga PSMA 11 PET/MRI and 68Ga RM2 PET/MRI for biopsy guidance in patients with suspected prostate cancer.

Read the detailed description

Primary Objective: To evaluate 68Ga PSMA 11 PET/MRI and 68Ga RM2 PET/MRI for biopsy guidance in patients with suspected prostate cancer.

Exploratory Objective:

  • Correlation of 68Ga PSMA 11 uptake and Gleason score at biopsy
  • Correlation of 68Ga RM2 and Gleason score at biopsy
02

Conditions studied

  • Prostate Cancer

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Keywords

  • Prostate Cancer
03

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Suspected prostate cancer
  • Planned prostate biopsy
  • Able to provide written consent
  • Karnofsky performance status of 50 (or ECOG/WHO equivalent)

Exclusion criteria

Exclusion Criteria:

  • Patients not capable of getting PET study due to weight, claustrophobia, or inability to lay still for the duration of the exam
  • Metallic implants (contraindicated for MRI)
04

Study design

Phase
Phase 2
Primary purpose
Diagnostic
Allocation
Randomized
Intervention model
Sequential assignment
Masking
None (open label)
Enrollment
14 participants (actual)

Study arms

  • Experimental
    68Ga RM2 first followed by 68Ga PSMA11

    Participant will be injected IV with 140 ±20% mBq of 68Ga RM2 and then within two weeks Participant will be injected IV with 3 to 7 mCi of 68Ga PSMA11

    Drug: 68Ga RM2 · Drug: 68Ga-PSMA-11 · Device: Investigational PET scanner coils and software

  • Experimental
    68Ga PSMA11 first followed by 68Ga RM2

    Participant will be injected IV with 3 to 7 mCi of 68Ga PSMA11 and then within two weeks Participant will be injected IV with 140 ±20% mBq of 68Ga RM2

    Drug: 68Ga RM2 · Drug: 68Ga-PSMA-11 · Device: Investigational PET scanner coils and software

Interventions

  • Drug68Ga RM2

    PET radiopharmaceutical

    Also known as: 68Ga DOTA Bombesin, BAY86 7548

  • Drug68Ga-PSMA-11

    PET radiopharmaceutical

    Also known as: DFKZ 11, HBED CC PSMA, Heidelberg compound

  • DeviceInvestigational PET scanner coils and software

    GE Healthcare non-approved PET scanner coils and software

05

What researchers measure

Primary outcomes

  1. Number of Participants With Biopsy Results Correlated With PET Based Imaging Findings

    Measure of PET based Biopsy Guidance (ie, prostate uptake on 68Ga PSMA 11 and 68Ga RM2 scans).

    Time frame: Up to approximately 2 hours to complete each scan

06

Results

Posted Jan 11, 2024

Participant flow

First Scan
Participant flow — First Scan
Milestone68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11
Started77
Completed77
Not completed00
Second Scan
Participant flow — Second Scan
Milestone68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11
Started67
Completed67
Not completed00

Outcome measures

PrimaryNumber of Participants With Biopsy Results Correlated With PET Based Imaging Findings

Measure of PET based Biopsy Guidance (ie, prostate uptake on 68Ga PSMA 11 and 68Ga RM2 scans).

Time frame:
Up to approximately 2 hours to complete each scan
Reported as:
Count of participants · Participants
Number of Participants With Biopsy Results Correlated With PET Based Imaging Findings
Participants68Ga PSMA1168Ga RM2
Number of Participants With Biopsy Results Correlated With PET Based Imaging Findings1313

Adverse events

Collected over 2 weeks, plus safety follow up at to 72 hours after the final scan. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
68Ga PSMA110/14 (0%)0/14 (0%)0/14 (0%)
68Ga RM20/13 (0%)0/13 (0%)0/13 (0%)

Baseline characteristics

Age, Continuous
Age, Continuous(years)68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11Total
Mean63.4 ± 4.455.7 ± 7.359.6 ± 7.2
Sex: Female, Male
Sex: Female, Male(Participants)68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11Total
Female000
Male7714
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11Total
Hispanic or Latino000
Not Hispanic or Latino7714
Unknown or Not Reported000
Race (NIH/OMB)
Race (NIH/OMB)(Participants)68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11Total
American Indian or Alaska Native000
Asian325
Native Hawaiian or Other Pacific Islander000
Black or African American101
White358
More than one race000
Unknown or Not Reported000
Region of Enrollment
Region of Enrollment(Participants)68Ga PSMA11 First Followed by 68Ga RM268Ga RM2 First Followed by 68Ga PSMA11Total
United States7714
07

Study locations

1 site
  • Stanford University
    Stanford, California 94305, United States
08

References and documents

Publications

  • Duan H, Ghanouni P, Daniel B, Rosenberg J, Thong A, Kunder C, Aparici CM, Davidzon GA, Moradi F, Sonn GA, Iagaru A. A Pilot Study of 68Ga-PSMA11 and 68Ga-RM2 PET/MRI for Biopsy Guidance in Patients with Suspected Prostate Cancer. J Nucl Med. 2023 May;64(5):744-750. doi: 10.2967/jnumed.122.264448. Epub 2022 Nov 17. PubMed 36396456 ↗

Study documents

  • Study protocol · Nov 15, 2021

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

09

Registry details

Key details

Study ID
NCT03809078
Lead sponsor
Andrei Iagaru
Collaborators
General Electric
Responsible party
Andrei Iagaru (Professor of Radiology (Nuclear Medicine), Stanford University) — Sponsor-investigator
First posted
Jan 18, 2019
Start date
Jan 14, 2019
Primary completion
Mar 8, 2022
Completion
Mar 8, 2022
Results posted
Jan 11, 2024
Last update
Jan 11, 2024

Study contacts

Andrei H Iagaru, MD
principal investigator · Stanford University

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
Yes
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jan 2024. You cannot join it, but the record below documents what was studied.

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