CRUCIAL-R Study : Cruciferous Vegetables Dietary Regimen in NMIBC

Rövid összefoglaló (regiszter, angolul)

Emerging evidence highlights the importance of nutrition in modulating cancer-related pathways, suggesting that specific dietary patterns and food choices may influence cancer risk. A protective role has been suggested for high consumption of vegetables, non-saturated fat oil (Mediterranean diet), fruits, and flavonoids [10-13]. In contrast, a diet rich in saturated fats and meat has been linked to an increased risk of BC [14,15]. Particularly, the consumption of vegetables of the Cruciferae family, such as broccoli, cauliflower, brussels sprouts, cabbage, kale, turnips, and others, has gathered attention for their potential protective effects due to their bioactive compounds: Isothiocyanates (ITCs). Dietary ITCs are a group of phytochemicals with multifaceted anticancer mechanisms primarily derived from cruciferous vegetables (CV) as glucosinolates and converted to ITCs by the action of the enzyme myrosinase [16]. Organic ITCs, particularly allyl isothiocyanate (AITC), benzyl isothiocyanate (BITC), phenethyl isothiocyanate (PEITC), and sulforaphane (SF), are among the most extensively studied cancer chemopreventive agents. Several mechanisms for ITCs in protection against carcinogenesis have been proposed, which include inhibition of carcinogen activation and promotion of detoxification, induction of cell cycle arrest and activation of apoptosis, inhibition of cancer cell invasion, modulation of the tumor microenvironment, inhibition of self-renewal of stem cells, rearrangement of energy metabolism and regulation of microbial homeostasis [17-22]. Aims Primary Objective • To evaluate the effect, in terms of recurrence-free survival (RFS) at 1 year, of a dietary regimen characterized by high consumption of the Cruciferae family vegetables versus no dietary regimen in patients with Intermediate, High, or Very High-grade Non-Muscle Invasive Bladder Cancer treated with BCG (defined as the standard of care - SOC). Secondary Objectives * To evaluate the effect, in terms of time to recurrence, of a dietary regimen characterized by high consumption of the Cruciferae family vegetables versus no dietary regimen in patients with Intermediate, High, and Very High-grade Non-Muscle Invasive Bladder Cancer. * To evaluate the effect, in terms of recurrence-free survival (RFS), of a dietary regimen characterized by high consumption of the Cruciferae family vegetables versus no dietary regimen in patients with Intermediate, High, and Very High-grade Non-Muscle Invasive Bladder Cancer with prior recurrence ≤1/yr and <4 tumors (according to 2016 EORTC risk stratification for patients treated with maintenance BCG). * To evaluate the impact of high Cruciferous vegetable consumption on urinary ITC levels. * To evaluate the impact of high Cruciferous vegetable consumption on quality of life (QoL).

Mit vállalsz

• Vizsgálat típusa: Beavatkozással járó
• Tervezett résztvevők: 250
• 2025. okt. 17. és az elsődleges befejezés (2026. nov. 1.) között
• 1 helyszín, 1 országban
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