Lu-177 PSMA Treatment in Cell Renal Carcinoma

NCT ID: NCT06959433

Last Updated: 2025-05-06

Basic Information

• Recruitment Status: NOT_YET_RECRUITING
• Clinical Phase: PHASE3
• Total Enrollment: 20 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-08-01
• Study Completion Date: 2028-08-01

Brief Summary

Summary Renal Cell Carcinoma (RCC) consists of 2% of all malignencies. RCCs are generally divided to histopathological subtypes as clear cell and non-clear cell variants. Clear cell variant responsible for the 75-80% of all RCCs. It is reported that 20-30% of RCCs are metastatic at the diagnosis and 5 years survival is approximately is 10-20% in this group of patients. Moreover, 60% of patients who are not metastatic at the diagnosis, develop metastates within 2-3 years. 2nd and 3th line effective treatment option in metastatic RCCs patients has been a subject of interest.

PSMA (protatate specific membrane antigen) with the other name glutamate carboxypeptidase, is a transmembrane protein and overexpresses in prostate adenocarcinomas and neoangiogenesis spots of endothelium of other several tumor types. It infronts as a target for theranostic consept for mainly prostate cancer in nuclear medicine. As a radionuclide treatment option, Lu-177 PSMA treatment is proved as safe and effective treatment option in castration resistant prostata cancer patients. After its widely use in prostate cancer, it is reported that PSMA molecule can be used for imaging of RCC patients and PSMA uptake is higher than 18F-FDG. For this reason, Lu-177 PSMA treatment can be a systemic treatment option in RCC patients who have progress afer 1st cycle treatment. In this study we aimed to safety and efficacy of Lu-177 PSMA treatment in metastatic RCC patients as systemic radionuclide treatment option.

Conditions

Metastatic Renal Cancer

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Lu-PSMA treatment arm

Patients who will received Lu-177 PSMA treatment for metastatic RCC

Group Type: EXPERIMENTAL

Lu-177 PSMA-617

Intervention Type: DRUG

Included patients will receive 4 cycles of 7.4GBq Lu-177 PSMa therapy every 6 weeks. If any toxicity develops after the first cycle, dose reduction will be performed for the other cycles. At 1. And 4. Cycles of therapy, whole body planar and SPECT/CT imaging will be performed at 4. And 24. Hours and any time at 4-7.days of injection. On these images , kindey, liver and salivary gland doses will be calculated. Mean tumor dose will also be calculated by measurinf the tumoral uptake. In the follow up, patients will be controlled at 9. And 24. Weeks and every 12 months then after.

Interventions

Lu-177 PSMA-617

Included patients will receive 4 cycles of 7.4GBq Lu-177 PSMa therapy every 6 weeks. If any toxicity develops after the first cycle, dose reduction will be performed for the other cycles. At 1. And 4. Cycles of therapy, whole body planar and SPECT/CT imaging will be performed at 4. And 24. Hours and any time at 4-7.days of injection. On these images , kindey, liver and salivary gland doses will be calculated. Mean tumor dose will also be calculated by measurinf the tumoral uptake. In the follow up, patients will be controlled at 9. And 24. Weeks and every 12 months then after.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• Age >18
• Progression after at least 2 lines of systemic therapy or existence of a contraindication to systemic therapies
• At least 3 years of life expectancy
• ECOG performance status ≤ 2
• Ability to sign informed consent

Exclusion Criteria

• Age<18
• Not having received any systemic therapies
• History of a secondary malignancy
• ECOG performance status > 2
• Any contraindication for radionuclide therapy (pregnancy, lactation, organ disfunction, metastatic lesions with a risk of compression
• Previous history of any radionuclide therapies
• Inability to sign informed consent

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Ankara University

OTHER

Sponsor Role: lead

Responsible Party

Cigdem Soydal

Prof of Nuclear Medicine

Responsibility Role: PRINCIPAL_INVESTIGATOR

Central Contacts

Cigdem Soydal, Prof

Role: CONTACT

csoydal@yahoo.com

+905333137701

Other Identifiers

Lu-PSMA RCC

Identifier Type: -

Identifier Source: org_study_id