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Trial Title: Prostate Medication, Metabolism and Gut Microbiota

NCT ID: NCT06001619

Condition: Prostatic Hyperplasia
Prostate Cancer

Conditions: Official terms:
Prostatic Hyperplasia
Hyperplasia
Tamsulosin
Finasteride
Dutasteride

Study type: Interventional

Study phase: Phase 4

Overall status: Recruiting

Study design:

Allocation: Non-Randomized

Intervention model: Parallel Assignment

Primary purpose: Other

Masking: None (Open Label)

Intervention:

Intervention type: Drug
Intervention name: Prostate hyperplasia medication
Description: The dosages prostatic hyperplasia medication: dutasteride 0,5 MG x1 or finasteride 5 MG x1 or combination of dutasteride and tamsulosin 0,5/0,4 MG x1.
Arm group label: Prostatic hyperplasia

Other name: Finasteride 5 MG

Other name: Dutasteride 0,5 MG

Other name: Dutasteride and Tamsulosin 0,5/0,4 MG

Intervention type: Drug
Intervention name: LhRH-antagonist
Description: The starting dose in prostatic cancer patient cohort of LHRH antagonist degarelix is 120 MGx2 and the maintenance dose is 80 MGx1.
Arm group label: Prostatic cancer

Other name: Degarelix 120 MG

Summary: PROMED is a prospective, single center translational multiple cohort study to investigate the association of prostate medication and gut microbiota. The main aim is to investigate how prostate hormonal therapy (5-ARI, ADT) affects gut microbiota composition. Aalso study metabolic characteristics in the gut and systemic circulation in men with different medications will be studied. In addition, the effect of gut microbiota on patient's response to medications will be investigated. The medicines used in the study to treat benign prostate hyperplasia are dutasteride and finasteride and a combination of dutasteride and tamsulosin. LHRH antagonist degarelix is used as a medication to treat patients with cancer. The dosages of 5-ARI medication: dutasteride 0,5mg x1 or finasteride 5mg x1 or combination of dutasteride and tamsulosin 0,5/0,4mg x1. The starting dose of LHRH antagonist degarelix is 120mgx2 and the maintenance dose is 80mgx1. The medication for PCa is planned according to the protocol but so that each subject receives degarelix at the beginning of treatment and one month after initiation. Thereafter, the medication is continued according to the clinician's assessment. The study is carried out in Turku University Hospital and University of Turku.

Detailed description: Prostate cancer (PCa) is a significant health care system challenge. PCa is the most common male cancer in Finland and most western countries. Interestingly, although the incidence of indolent (latent) PCa is very similar throughout the globe, there is a remarkable global age-adjusted incidence variation (up to 40-fold difference between highest and lowest incidences). Epidemiological data suggest that aging in men is associated with neoplastic processes in the prostate but only a subset of men will develop a true malignancy potentially affecting their life-span or quality of life. Genetic factors have a significant effect on PCa risk, but very likely life-style (e.g. diet and physical activity) affect PCa risk as well, but the mechanisms mediating protective or harmful effects of life-style remain unclear. Gut microbiota, i.e. the collection of microbes colonizing the gastrointestinal tract, is acknowledged to play significant role in many metabolic pathways and pathogenic processes in the human body. Although there is some evidence suggesting that gut microbiota affects therapy responses (especially androgen deprivation) in PCa, it ́s potential role in prostate carcinogenesis is not well documented. Our previous studies suggest that gut microbiota composition is different in men with and without PCa and that changes in steroid hormone synthesis may be one mechanism how gut microbiota affects PCa risk.

Criteria for eligibility:
Criteria:
Inclusion Criteria: - Provision of signed and dated informed consent form. - Ability and stated willingness to comply with all study procedures and availability for the duration of the study. Exclusion Criteria: - Any history of a fecal transplantation. - Recent (within 3 months or still symptomatic) gastroenteritis. - Antibiotic treatment within 3 months (expect for antibiotic prophylaxis related to prostate biopsies). - Inability to comply with the protocol of unwillingness to participate in the study.

Gender: Male

Gender based: Yes

Gender description: Prostatic diseases

Minimum age: 18 Years

Maximum age: N/A

Healthy volunteers: No

Locations:

Facility:
Name: Turku University Hospital

Address:
City: Turku
Zip: 20100
Country: Finland

Status: Recruiting

Contact:
Last name: Peter Bostrom, MD

Investigator:
Last name: Peter Bostrom, MD
Email: Principal Investigator

Facility:
Name: University of Turku

Address:
City: Turku
Zip: 20100
Country: Finland

Status: Recruiting

Contact:
Last name: Peter J Bostrom, MD, PhD

Phone: +358-2-3135925
Email: peter.bostrom@tyks.fi

Investigator:
Last name: Antti Salminen, MD
Email: Sub-Investigator

Start date: December 1, 2022

Completion date: December 31, 2026

Lead sponsor:
Agency: Turku University Hospital
Agency class: Other

Source: Turku University Hospital

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT06001619

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