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Preference based randomized trial for evaluation of four treatment modalities in prostate cancer with low or "early intermediate" risk

Preference based randomized trial for evaluation of four treatment modalities in prostate cancer with low or "early intermediate" risk - PREFERE

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00004405
Enrollment
7600
Registered
2012-10-12
Start date
2012-10-22
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

prostate cancer C61

Interventions

Group 1: radical prostatectomy Group 2: percutaneous radio therapy Group 3: continuous Seed-Implantation Group 4: Active Surveillance

Sponsors

Klinik für Urologie und Kinderurologie der Universität des Saarlandes
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1) Newly diagnosed adenocarcinoma of the prostate confirmed by punching biopsy method/ histology (punch biopsy according to standardized protocol) 2) At least 8 randomized biopsies; in case of modern imaging methods a minimum of 6 biopsies have to be taken. Lesion targeted biopsies only are not sufficient. 3) Initiation of therapy within 6 months after histological confirmation 4) Locally limited carcinoma <= cT2a, NX or N0 M0 (A tumor detected with needle biopsy in one or both lobes which is neither palpable nor visible in imaging is classified as T1c) 5) PSA <= 10 ng / ml 6) Gleason score = <7a (3 +4) 7) For Gleason 7 tumors: Proportion of tumored punching in the total number of the extracted stamping (see punching Protocol) <= 33% and the largest contiguous tumor stove <= 5 mm 8) Men aged 18-75 years 9) ECOG performance status 0 or 1

Exclusion criteria

Exclusion criteria: 1) Lack of patient suitability for surgery, radiation* or Active Surveillance 2) Timely Op because of BPH e.g. TURP, HIFU, cryotherapy in the anamnesis 3) Timely radiotherapy of the pelvis 4) Life expectancy 4 6) IPSS-Score > 18* 7) Residual urine > 50 ml* 8) Prostate volume on transrectal ultrasound* > 60 cm3 9) Prostate large median lobe* visible in the TRUS 10) Floride chronic intestinal inflammation in the rectum area* 11) Application of Alpha-reductase inhibitors (finasteride, dutasteride) within 6 month before biopsy because of their influence on the PSA level 12) Other active malignancy within the past 5 years (except are superficial basal cell carcinoma or non-muscle invasive bladder cancer) 13) Patients that are not able to consent 14) Lack of written informed consent

Design outcomes

Primary

MeasureTime frame
Prostate cancer-specific survival, minimal observation time of 13 years for last study patient

Secondary

MeasureTime frame
- Overall survival, minimal observation time of 13 years for last study patient - Time to onset of hormone therapy - Occurrence of the first progression in hormone therapy - Quality of life on EORTC-QLQ-C30 with additional modul PCA (EORTCQLQ- PR25) as well as HADS-D at timepoints basline, before and 3 Mon. after therapy as well as after 1, 2, 3, 5, 7, 10 and 13 years - Complications / side effects of therapy

Countries

Germany

Contacts

Public ContactRoswitha Bussar-Maatz

Deutsche Krebsgesellschaft e. V.

studienzentrale@prefere.de030-322932946

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 26, 2026