Prostate Cancer Clinical Trial
Official title:
Long-term Effects of Enhanced Systemic Therapy and Tumor-directed Therapy for Newly Diagnosed Oligometastatic Prostate Cancer Confirmed by Conventional Imaging Modality: a Prospective, Single-arm Study.
Oligo-metastatic prostate cancer (OMPCa) is considered as an intermediated state between localized and poly-metastatic disease. Various retrospective studies and prospective clinical trials are carrying out to validate whether patients with OMPCa could benefit from local treatment for both primary and metastatic lesions. The investigators here to conduct a unique clinical trial which OMPCa patients were confirmed by conventional imaging, and received a long-term enhanced systemic therapy accompanied by tumor-directed therapy.
Status | Recruiting |
Enrollment | 160 |
Est. completion date | September 2024 |
Est. primary completion date | February 2024 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 18 Years to 80 Years |
Eligibility | Inclusion Criteria: 1. Histologically or cytologically confirmed de novo prostate adenocarcinoma (can be accompanied by neuroendocrine differentiation, but accounts for less than 10% of the total tumor components); 2. Aged between 18 and 80; 3. M1a/b disease with presence of 1-5 visible metastases (detected by bone scan (ECT), chest, abdominal and pelvic CT or MRI). Biopsy of the suspected metastases is recommended to the patients. If the patients refused to the biopsy, additional PSMA-PET/CT or regional MRI should be performed to confirm the metastatic lesions. 4. The metastatic lesions should meet the following the criteria: 1. Metastases are limited to bone or lymph nodes; 2. Visceral metastases are not allowed; 3. Radiographic observed pelvic lymph node metastasis with a diameter of >2cm should also be considered as one metastatic lesion. 4. If the lymph nodes are the only detected metastatic lesions, at least one metastatic lymph node should be outside the pelvis. 5. ECOG performance status of 0 or 1; 6. PSA less than 100ng/ml at diagnosis; 7. No more than one month's systemic treatment before enrollment (including castration (surgical or medical castration), castration combined with traditional anti-androgen therapy (flutamide or bicalutamide)); 8. No previous pelvic radiotherapy history; 9. The primary lesion of prostate cancer has not received any form of local treatment (surgery, radiotherapy, cryotherapy, radiofrequency ablation, etc.); TURP is allowed, if the aim of the surgery is to relieve lower urinary tract symptom but not to treat the tumor. 10. The metastatic lesions of prostate cancer have not received any form of local treatment (surgery, radiotherapy, cryotherapy, radiofrequency ablation, etc.); 11. Written informed consent; 12. Willing and expected to comply with treatment and follow up schedule. 13. Life expectancy > 10 years. Exclusion Criteria: 1. Received prior local treatment for primary lesion or metastatic lesions, including radical prostatectomy, radical radiotherapy, surgery or radiotherapy to metastatic lesion; 2. Received prior systemic treatment for prostate cancer longer than 1 month; 3. Received prior castration combined with new-generation androgen signaling pathway inhibitors such as abiraterone, apalutamide or enzalutamide; castration combined with docetaxel chemotherapy; 4. Had any visceral metastases (liver, lung, brain etc.); 5. Histologically or cytologically confirmed small cell carcinoma; 6. Unable to tolerate the treatment for primary and metastatic lesion; 7. Unwilling to accept potential related adverse events caused by treatment for primary and metastatic lesion; 8. Had any other previous or current malignant disease, except for curatively treated skin basal cell carcinoma or other tumors cured for more than 5 years; 9. Had other severe disorders, such as: 1. Unstable cardiac disease, 2. Myocardial infarction less than 6 months prior to enrollment, 3. Clinically significant cardiac failure requiring treatment, defined as New York Heart Association (NYHA) class III, 4. Uncontrolled hypertension, 5. Severe neurological or psychological disorder including dementia or epilepsy, 6. Uncontrolled active infection, 7. Acute gastric ulcer, 8. Hypercalcemia, 9. Chronic obstructive pulmonary lung disease requiring hospitalization, 10. Any other significant disorders that in the investigator's opinion means the participant is unfit for any of the study treatments; 10. Had participated in other clinical trial before enrollment. 11. Had contraindications to radiotherapy or unsuitable for radical radiotherapy evaluated by radiologists and physicists. |
Country | Name | City | State |
---|---|---|---|
China | Fudan University Shanghai Cancer Center | Shanghai | Shanghai |
Lead Sponsor | Collaborator |
---|---|
Fudan University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Two years' radiographic progression-free survival (rPFS) | Proportion of patients without radiographic progression after two years' treatment. The soft-tissue lesion evaluation criterion was RECIST1.1, and the bone lesion evaluation criterion was PCWG3 |
2 years | |
Secondary | Two years' overall survival (OS) | Proportion of patients survived after two years' treatment. | 2 years | |
Secondary | Two years' PSA progression-free survival (PSA-PFS) | Proportion of patients with no observed PSA progression after two years' treatment. PSA progression is defined as a confirmed increase in the PSA level from the nadir value by =25% and by =2 ng/ml. | 2 years | |
Secondary | Pathological complete response (pCR) or minimal residual disease (MRD) rate | Pathological response, defined as achieving either pCR or MRD at radical prostatectomy (RP). pCR is defined as the absence of morphologically identifiable carcinoma in the RP specimen. MRD will be defined as residual tumor in the RP specimen measuring = 5 mm. | 1 month after prostatectomy as local treatment for primary lesion. |
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