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

Phase 3

Recruiting

• Conditions: BCR Prostate Carcinoma; Biochemical Recurrence of Malignant Neoplasm of Prostate; Prostate Cancer
• Interventions: Drug: 68Ga-PSMA-11; Other: PET/CT or PET/MRI

• Registration Number: NCT05847348
• Lead Sponsor: Telix Pharmaceuticals (Innovations) Pty Limited

Brief Summary

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.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2023-04-05
• Study First Submitted QC: 2023-04-26
• Study First Posted: 2023-05-06
• Study Start: 2023-07-19
• Status Verified: 2024-06
• Last Update Submitted: 2024-06-29
• Last Update Posted: 2024-07-03
• Primary Completion: 2025-12-30
• Study Completion: 2026-07-30

Recruitment & Eligibility

• Status: RECRUITING
• Sex: Male
• Target Recruitment: 110

Inclusion Criteria

1. Are able to understand and provide written informed consent document.

2. Are Chinese males aged ≥ 18 years.

3. 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).

   1. Post radical prostatectomy (RP) PSA ≥0.2 ng/mL measured 6 weeks after RP
   2. Post radiation therapy - ASTRO-Phoenix consensus definition Nadir + ≥ 2 ng/mL rise in PSA;

4. Have a Karnofsky performance status ≥ 60 (or ECOG/WHO equivalent).

5. Agree to practice a highly effective method of contraception for at least 28 days after 68Ga-PSMA-11 administration.

6. Are willing and able to comply with scheduled

Exclusion Criteria

1. 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.
2. Have prior use of radionuclides with an interval of less than 10 physical half-lives before the administration of 68Ga-PSMA-11.
3. Are participating or plan to participate in any drug or device clinical study during the study period.
4. Have a known hypersensitivity to the active ingredient or its components of 68Ga-PSMA-11.
5. Cannot lie flat or remain still while a PET scan is being performed or cannot tolerate a PET scan.
6. Have prior history of salivary gland disease or Paget's disease.
7. Have a history of fracture and anemia within the last year.
8. 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.
9. Is deemed not suitable for participating in this trial in the opinion of the investigator.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
Treatment (68Ga-PSMA-11)	PET/CT or PET/MRI	111 \~ 259 MBq 68Ga-PSMA-11 will be administered intravenously to participants over 3- 5 minutes. After 50-100 minutes post 68Ga-PSMA-11 injection, participants will be scanned (PET/CT or PET/MRI) from the mid-thigh to the apex of the skull. Participants will be placed in a supine position with the arms raised overhead.
Treatment (68Ga-PSMA-11)	68Ga-PSMA-11	111 \~ 259 MBq 68Ga-PSMA-11 will be administered intravenously to participants over 3- 5 minutes. After 50-100 minutes post 68Ga-PSMA-11 injection, participants will be scanned (PET/CT or PET/MRI) from the mid-thigh to the apex of the skull. Participants will be placed in a supine position with the arms raised overhead.

Primary Outcome Measures

Name	Time	Method
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.	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 Outcome Measures

Name	Time	Method
Clinical management in biochemical recurrence patients.	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.
Incidence of adverse events	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

Trial Locations

Locations (8)

Xiangya Hospital Central South University; 🇨🇳 Changsha, China

Nanfang Hospital Southern Medical University; 🇨🇳 Guangzhou, China

Fudan University Shanghai Cancer Center; 🇨🇳 Shanghai, China

West China Hospital of Sichuan University; 🇨🇳 Sichuan, China

Zhongnan Hospital of Wuhan University; 🇨🇳 Wuhan, China

Affiliated Hosptial of Jiangnan University; 🇨🇳 Wuxi, China

Peking University First Hospital; 🇨🇳 Beijing, China

Wuhan Union Hospital; 🇨🇳 Wuhan, China