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Correlation Between PSA Levels and F-18 PSMA PET/CT Findings in Prostate Cancer Patient

A

Assiut University

Status

Enrolling

Conditions

Prostatic Neoplasms

Treatments

Device: PSMA PET/CT

Study type

Observational

Funder types

Other

Identifiers

NCT06209853
F-18 PSMA in prostate cancer

Details and patient eligibility

About

It is a cross sectional study aimed to correlate between PSA Levels and F-18 PSMA PET/CT Scan findings and to evaluate the impact of PET/CT findings on the patient management

Full description

Prostate cancer (PC) is a prevalent malignancy that occurs primarily in old males, it is the third most common with regards of mortality (1,2). prostate-specific membrane antigen (PSMA) known as glutamate carboxypeptidase II, is a transmembrane glycoprotein highly expressed in PC cells. PSMA expression tends to increase with increased pathological Gleason grade and is thought to be upregulated with the emergence of androgen independence (2).

PSMA PET/CT imaging is important for correct primary staging and for the detection of sites of biochemical recurrence.

prostate-specific antigen Liu et al., in 2022 stated that as serum PSA levels increase, the diagnostic accuracy of F-PSMA-1007 PET/CT also improves (3) Bergero et al., in 2022 evaluated the diagnostic correlation between PSA and positivity of F-18 PSMA PET/CT in patients with biochemically recurrent prostate cancer (RPC), reporting it as a very good predictor of positivity in 18F-PSMA PET/CT in patients with RPC (4).

A Meta-Analysis in 2022 found that the detection rate (DR) of the18F-PSMA-1007 PET/CT was also improved with increasing serum PSA levels (5) Another Meta-Analysis in 2019 studied the DR of F-18 PSMA PET/CT revealing that DR is related to PSA values with significant lower DR in patients with PSA<0.5 ng/mL (6)

Enrollment

59 estimated patients

Sex

Male

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male Patients with pathologically proven prostate cancer who will be referred to nuclear medicine unit to perform F18 PSMA for different indications

Exclusion criteria

  • Undifferentiated prostate cancer.
  • Studies with motion artifacts, or those in which patient can't stay stable or calm during acquisition.
  • Severely ill patients that hinder imaging.

Trial contacts and locations

1

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Central trial contact

Aalaa W Hussein, master; Nadia M Moustafa, PhD degree

Data sourced from clinicaltrials.gov

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