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Clinical Trial Summary

Lower urinary tract symptoms (LUTS) include filling, emptying or post-voiding state alterations; producing symptomatology depending of the underline mechanism. Benign prostatic hyperplasia (BPH) is the most common underlying disease, which increases with age and significantly affects men over 50 years. There are currently no prevention or curative treatment guidelines, as their pathophysiological mechanism is not exactly known. Several factors have been implicated, such as hormones, aging, lifestyle or diet.

BPH is associated with metabolic disorders, the basis of which is insulin resistance and its associated pathologies: diabetes, hypertension, obesity, dyslipidemia and metabolic syndrome. Patients without these metabolic signs have a lower incidence of BPH and / or LUTS. Insulin resistance (IR) is associated with greater proliferation and a reduction of cellular apoptosis at the prostate level; leading to an increase in prostate volume or symptoms. Likewise, the autonomic nervous system (ANS) imbalance, both in favor of sympathetic (emptying symptoms) or parasympathetic (filling symptoms), influences LUTS. SNA activity can be measured non-invasively, repetitively and effectively by measuring the heart rate variability (HRV).

Caloric restriction with optimal nutrition (CRON, hereinafter only CR) is the most physiologically adapted nutritional alternative to our ancestral needs and has been shown in humans to reduce insulin resistance and associated pathologies. It has also been observed that CR improves the balance of the SNA and allows to improve LUTS.

Proliferation inhibition and prostatic apoptosis induction, mediated through CR, by insulin-IGF-1 axis reduction and mTOR metabolic pathways inhibition, are the central axis of this project. CR will be used to reduce insulin resistance, IGF expression and inhibition of the PI3K / AKT / mTOR pathway, to reduce prostate cell proliferation and promote prostatic tissue apoptosis; in this way it will be possible to reduce its volume and improve the symptomatology.

Additionally, CR will allow us to evaluate the potential benefits it has on certain metabolic diseases (diabetes, dyslipidemia, obesity, hypertension, etc.), anthropometric values (BMI, abdominal perimeter and skin folds) and autonomic nervous system functionality (HRV) .

Clinical Trial Description


Study Design

Related Conditions & MeSH terms

NCT number NCT03669692
Study type Interventional
Source Complexo Hospitalario Universitario de A Coruña
Status Recruiting
Phase N/A
Start date July 10, 2018
Completion date January 1, 2023

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