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Clinical Trials in Italy / NCT07494279
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Efficacy of Nigella Sativa (Nisatol®) in Women With Borderline Blood Pressure Values or a Non-Dipper Blood Pressure Phenotype

NCT07494279 · tracked via the Priya Life Science Italy tracker
Phase
Not applicable
Started
2026-03-30
Last updated
2026-03-27

Condition(s) studied

PrehypertensionHypertension

Investigational drug(s) / intervention(s)

Nigella sativa (Nisatol®)Placebo

Nigella sativa (Nisatol®): Standardized Nigella sativa extract (Nisatol®) administered orally 2 capsules per day (one capsule in the morning and one in the evening) for 12 weeks.

Placebo: Placebo capsules identical in appearance to the Nigella sativa (Nisatol®) 2 capsules per day administered for 12 weeks.

Study summary

This randomized placebo-controlled study evaluates the efficacy of Nigella sativa (Nisatol®) supplementation in women with borderline blood pressure values or a non-dipper blood pressure phenotype. The study aims to assess the effects of supplementation on blood pressure and resting heart rate in women presenting high-normal blood pressure values (≥130/85 mmHg) and/or a nocturnal non-dipper blood pressure pattern.

Participants will be randomly assigned to receive either Nigella sativa (Nisatol®) or placebo for 12 weeks. After the treatment phase, a washout period will be followed by a dietary intervention phase combined with alternate treatment according to the study design. Cardiological and nutritional assessments will be performed at predefined time points.

Eligibility

Sex
FEMALE
Min age
18 Years
Max age
65 Years
Healthy volunteers
No
Inclusion Criteria * Female participants * High-normal blood pressure values (≥130/85 mmHg) or mild hypertension (140/90 mmHg) with low cardiovascular risk and no current indication for pharmacological therapy * Presence of a non-dipper blood pressure phenotype on 24-hour ambulatory blood pressure monitoring * Absence of antihypertensive pharmacological treatment Exclusion Criteria * History of cardiovascular disease * Diabetes mellitus * Severe chronic diseases * Use of medications affecting blood pressure or heart rate * Known allergy to Nigella sativa or fennel

Primary outcome measure(s)

Trial sites (1)

FacilityCityRegionStatus
University of Rome Tor Vergata Roma Italy

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07494279 on ClinicalTrials.gov ↗ ← All trials in Italy