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Completed

NCT Number: NCT01620710

Safety Study of a Shorter (Hypofractionated) Radiotherapy for the Prostate Bed With or Without the Pelvic Lymph Nodes

This trial investigates safety and feasibility of a hypofractionated radiotherapy (i.e. with higher daily doses and shorter total treatment time compared to standard fractionation) of the prostate bed with or without the pelvic lymph nodes.

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Key information

Conditions

Prostate Cancer Genital Diseases Genital Diseases, Male Genital Neoplasms, Male Male Urogenital Diseases Neoplasms Neoplasms by Site Prostatic Diseases Prostatic Neoplasms Urogenital Diseases Urogenital Neoplasms

Age range

18 year–80 year

Sex eligibility

Male

Study type

Interventional

Phase

Phase 2

Primary location

Dep. of Radiation Oncology, University Hospital of Heidelberg

Heidelberg, 69120, Germany

About this study

While evidence on safety and efficacy of primary hypofractionated radiotherapy in prostate cancer is accumulating, data on postoperative hypofractionated treatment of the prostate bed and of the pelvic lymph nodes is still scarce. This phase II trial was initiated to investigate safety and feasibility of hypofractionated treatment of the prostate bed alone or with the pelvic lymph nodes.

A total of 80 prostate cancer patients with the indication for adjuvant radiotherapy will be enrolled, where 40 patients with a low risk of lymph node involvement (arm 1) and another 40 patients with a high risk of lymph node involvement (arm 2) will each receive 54 Gy in 18 fractions to the prostate bed. Arm 2 will be given 45 Gy to the pelvic lymph nodes additionally. Helical Tomotherapy and daily image guidance wil be used.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • resected prostate carcinoma with histological grading (Gleason Score)
  • status post prostatectomy for a pT3 carcinoma and/or R1/2 resection or PSA recurrence after prostatectomy (2 consecutive PSA rises)
  • PSA recurrence ≥ 1 ng/ml: CT/PET/MRI imaging excluding pathological lymph nodes
  • Karnofksy performance score ≥ 70 %
  • age 18 - 80 years
  • only arm 2: antihormonal therapy for 2 months prior to radiotherapy and continuation of hormonal suppression after radiotherapy recommended
  • written informed consent

Exclusion criteria

  • patient's refusal
  • patient's inabillity to give informed consent
  • stage IV (distant metastases)
  • lymph node involvement outside the pelvis
  • severe wound complications after laparatomy
  • only arm 2: severe lymphoedema of the legs, elephantiasis, postthrombotic syndrome
  • decompensated pulmonary, cardiovascular, metabolic, hematopoetic, coagulatory or renal comorbidities
  • known other malignant disease with distant metastases
  • prior pelvic irradiation
  • participation in another clinical trial that might compromise the results of the PRIAMOS trial or the other trial

Treatment and study plan

hypofractionated helical IMRT

Radiation

hypofractionated helical IMRT of the prostate bed, 18 x 3 Gy

Primary outcomes

  1. proportion SDR of patients with no grade III/IV toxicity and/or treatment discontinuation

    Time frame: 2 years

    Proportion SDR of patients with no NCI CTC AE grade 3-4 toxicity and no discontinuation of treatment during the full set of 18 fractions by any reasons in the intent-to-treat (ITT) population

Secondary outcomes

  1. biochemical recurrence free survival (BFS)

    Time frame: 2 years

  2. Quality of Life

    Time frame: 2 years

    Quality of Life Scores as measured by the EORTC-QLQ30 and -PR25 questionnaires

  3. overall survival

    Time frame: 2 years

Sponsors and collaborators

Lead sponsor

Heidelberg University

Other

Registry information

Official study title

Hypofractionated Helical Intensity-Modulated Radiotherapy of the Prostate Bed After Prostatectomy With or Without the Pelvic Lymph Nodes - the PRIAMOS Trial

Acronym: PRIAMOS

Important dates

Study start
2012
Primary completion
2015
Study completion
2017
First posted
Jun 15, 2012
Registry last updated
Oct 16, 2018

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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