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NCT Number: NCT05847348

68Ga-PSMA-11 Efficacy in Detecting BCR Prostate Cancer in Chinese Patients

This is a prospective, open-label, single-arm, multicenter bridging study in Chinese patients with prostate cancer. This multicenter study is planned to be conducted in patients with biochemical recurrence (BCR) of elevated PSA after radical prostatectomy or radical radiotherapy. This study investigates how well 68Ga-PSMA-11 PET/CT works in detecting BCR prostate cancer in Chinese patient. 68Ga-PSMA-11, developed by Telix, is a new molecular entity tracer with the trade name Illuccix®, which is approved by FDA for the examination of: 1) patients with suspected metastatic PC who are scheduled for initial treatment; 2) patients with biochemical recurrence of elevated PSA levels after initial radical radiotherapy.

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Key information

Age range

18 year and older

Sex eligibility

Male

Study type

Interventional

Phase

Phase 3

Primary location

Peking University First Hospital, Beijing, China

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Are able to understand and provide written informed consent document.
  • Are Chinese males aged ≥ 18 years.
  • Have histopathologically confirmed prostate adenocarcinoma and have undergone radical prostatectomy and/or radical radiotherapy and experienced biochemical recurrence (PSA should be measured within 30 days of screening).
  • Post radical prostatectomy (RP) PSA ≥0.2 ng/mL measured 6 weeks after RP
  • Post radiation therapy - ASTRO-Phoenix consensus definition Nadir + ≥ 2 ng/mL rise in PSA;
  • Have a Karnofsky performance status ≥ 60 (or ECOG/WHO equivalent).
  • Agree to practice a highly effective method of contraception for at least 28 days after 68Ga-PSMA-11 administration.
  • Are willing and able to comply with scheduled

Exclusion criteria

  • Have a prior history of any other malignancy within the last year, other than skin basal cell or cutaneous superficial squamous cell carcinoma that has not metastasized and superficial bladder cancer.
  • Have prior use of radionuclides with an interval of less than 10 physical half-lives before the administration of 68Ga-PSMA-11.
  • Are participating or plan to participate in any drug or device clinical study during the study period.
  • Have a known hypersensitivity to the active ingredient or its components of 68Ga-PSMA-11.
  • Cannot lie flat or remain still while a PET scan is being performed or cannot tolerate a PET scan.
  • Have prior history of salivary gland disease or Paget's disease.
  • Have a history of fracture and anemia within the last year.
  • Have abnormalities in physical examination, ECG, and protocol-specified clinical laboratory tests during the Screening Period that, in the judgment of the investigator, could affect safety or compliance.
  • Is deemed not suitable for participating in this trial in the opinion of the investigator.

Treatment and study plan

68Ga-PSMA-11

Drug

A single dose of 111 - 259 MBq administered intravenously over 3 -5 minutes

Other names: Illucix, gallium Ga 68 Gozetotide

PET/CT or PET/MRI

Other

PET/CT or PET/MRI will be acquired no sooner than 50 minutes post injection and not later than 100 minutes post injection with 68Ga-PSMA-11

Other names: Imaging by PET

Primary outcomes

  1. Positive Predictive Value (PPV) of 68Ga-PSMA-11 PET/CT or PET/MRI for detection of tumour on a patient level confirmed by histopathology/biopsy, clinical (PSA) and conventional imaging follow-up.

    Time frame: 12 months

    The PPV [PPV (%) = TP* /(TP + FP**)] will be determined by the combination of histopathology/biopsy and conventional imaging and/or PSA follow-up results as the true criteria (composite criteria) and the results observed by 68Ga-PSMA-11 PET (positive/negative).

Secondary outcomes

  1. Incidence of adverse events

    Time frame: 3 days

    Safety will be reported descriptively as rates of patient reported adverse events. Additionally, adverse events will be characterized and quantified by Common Terminology Criteria for Adverse Events

  2. Clinical management in biochemical recurrence patients.

    Time frame: 3 days

    The impact of 68Ga-PSMA-11 PET/CT or PET/MRI on clinical management in biochemical recurrence patients will be assessed through the completion of Medical Management Questionnaires completed prior to and after 68Ga-PSMA-11 PET/CT or PET/MRI.

Sponsors and collaborators

Lead sponsor

Telix Pharmaceuticals (Innovations) Pty Limited

Industry

Collaborators

  • Grand Pharmaceutical (China) Co., Ltd.

Registry information

Official study title

A Prospective, Open-Label, Single-Arm, Multi-center Study to Evaluate the Diagnostic Efficacy and Safety of 68Ga-PSMA-11 PET/CT or PET/MRI in Patients With Biochemical Recurrent Prostate Cancer

Important dates

Study start
2023
Primary completion
2025
Study completion
2026
First posted
May 6, 2023
Registry last updated
Jul 3, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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