Status:

UNKNOWN

PD-L1-expressing Regulatory T Cells in Localized Prostate Cancer Patients Undergoing Iodine-125 Permanent Brachytherapy

Lead Sponsor:

Xuanwu Hospital, Beijing

Conditions:

Prostate Cancer

Eligibility:

MALE

30-90 years

Brief Summary

Immunotherapy is currently revolutionizing the field in oncology. However, prostate cancer is poorly responsive to immune checkpoint inhibition. The combination of immunotherapy and radiotherapy is an...

Detailed Description

Permanent brachytherapy is one of those standard treatments for localized prostate cancer patients. Biopsy confirms prostate cancer. Blood and urine of localized prostate cancer patients will be coll...

Eligibility Criteria

Inclusion

  • \- Biopsy confirms prostate cancer
  • Localized Prostate Cancer, ≤cT3
  • No chemotherapy or Hormonal therapy before Permanent Brachytherapy

Exclusion

  • \- Unacceptable operative risk
  • Poor anatomy which in the opinion of the radiation oncologist could lead to a suboptimal implant (e.g.,large or poorly healed transurethral resection of the prostate (TURP) defect, large median lobe, large gland size).
  • Pathologically positive lymph nodes
  • Significant obstructive uropathy
  • Distant metastases
  • Use steroids regularly
  • The diagnosis was accompanied by immune-related diseases
  • Allergic constitution
  • Abnormal white blood cell and lymphocyte counts
  • Ever underwent other treatments for prostate cancer, such as chemotherapy or Hormonal therapy
  • Accompanied by other malignancies
  • Splenectomy
  • HIV positive
  • Receive an anti-infective vaccine for the last 6 months

Key Trial Info

Start Date :

July 1 2020

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 31 2022

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT04369508

Start Date

July 1 2020

End Date

December 31 2022

Last Update

April 30 2020

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