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Assessing Radio-hybrid Prostate Specific Membrane Antigen (rhPSMA-7.3) (18F) in Healthy Volunteers and Subjects With Prostate Cancer

A Phase 1, Open-label Study to Assess Safety, Biodistribution, and Internal Radiation Dosimetry of rhPSMA-7.3 (18F) Injection in Healthy Volunteers, and to Assess Safety and Investigate the Imaging Characteristics in Subjects With Prostate Cancer

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03995888
Enrollment
24
Registered
2019-06-24
Start date
2019-06-11
Completion date
2020-04-16
Last updated
2026-02-12

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

Conditions

Prostate Cancer

Brief summary

A Phase 1, Open-label Study to Assess Safety, Biodistribution, and Internal Radiation Dosimetry of rhPSMA-7.3 (18F) Injection in Healthy Volunteers, and to Assess Safety and Investigate the Imaging Characteristics in Subjects With Prostate Cancer.

Interventions

Radioligand for PET CT scanning

Sponsors

Blue Earth Diagnostics
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
DIAGNOSTIC
Masking
NONE

Intervention model description

Positron Emission Tomography (PET) Imaging study

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: Healthy Volunteers 1. Male and females 21-65 years. 2. Clinically acceptable medical history Key

Exclusion criteria

Healthy Volunteers 1. Received ionising radiation exposure from clinical trials or medical examinations or treatment in the last 12 months. 2. Suffers from claustrophobia. 3. Bilateral hip prostheses. Key Inclusion Criteria: Patients 1. Male 18-80 years. 2. Histologically confirmed adenocarcinoma of the prostate 3. Clinically acceptable medical history 4. Eastern Cooperative Oncology Group (ECOG) performance status 0-2 Key

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Treatment-emergent Adverse Events as Classified by MedDRA1 monthSafety will be assessed from data on the occurrence of one or more treatment-emergent Adverse Events from the time of intravenous administration of 18F-rhPSMA-7.3 throughout the study period, and changes in serum biochemistry, hematology, coagulation, urinalysis, vital signs, Electrocardiogram (ECG), injection site status, and physical examination findings.

Countries

Finland

Contacts

PRINCIPAL_INVESTIGATORMika Scheinin

Clinical Research Services Turku - CRST Oy

Participant flow

Recruitment details

This study was conducted between 11 June 2019 (first subject, screening visit) and 16 April 2020 (last subject, last visit) at a single site in Finland. Of the 24 potential subjects screened, 16 met all the study eligibility criteria (six healthy volunteers and 10 subjects with prostate cancer). Five subjects were considered screen failures and three subjects were not assigned to IMP as they were back-up subjects who were subsequently not required for PET imaging.

Pre-assignment details

Baseline safety evaluations performed at screening (visit 1) comprised of vital signs, urine analysis, blood sample collection, pregnancy testing, physical exam, and recording of any adverse events (AEs) from the time of informed consent. Pertinent medical history and concomitant medications were also captured.

Baseline characteristics

Characteristic
Age, Continuous69 Years
Body Mass Index (kg/m2)27.70 Kilograms/meters squared [kg^m2]
Eastern Cooperative Oncology Group (ECOG)
0
3 participants
Eastern Cooperative Oncology Group (ECOG)
1
2 participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Height (cm174 Centimeters (cm)
Region of Enrollment
Finland
3 participants
Sex: Female, Male
Female
3 Participants
Sex: Female, Male
Male
0 Participants
Weight (kg)79.40 Kilograms (kg)

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 60 / 30 / 30 / 4
other
Total, other adverse events
2 / 61 / 31 / 31 / 4
serious
Total, serious adverse events
0 / 61 / 30 / 31 / 4

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 23, 2026