Black seed (Nigella sativa) trials recruiting now

4 registrations that name black seed as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

Filter 4 registrations

Status

Phase

All 4 registrations

RecruitingNCT07525505

Nigella Sativa Oil for Eczematous Otitis Externa

  • No phase
  • Bezmialem Vakif University
  • About 85 people
  • Started Jan 12, 2026

In plain words A study of black seed in people 18 and older, run by Bezmialem Vakif University. It plans to enroll about 85 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Eczema/Atopic Dermatitis; Otitis Externa.

  • Adult patients aged 18 years and older
  • Clinical diagnosis of eczematous otitis externa confirmed by otoscopic examination
  • Presence of at least one symptom related to the affected ear (itching, discomfort, otorrhea, or pain)
  • Willingness to participate and ability to provide written informed consent

The exclusion criteria are on the listing.

What it tests, as registered

Mometasone Furoate (MF); Nigella sativa oil

Registered summary

Eczematous otitis externa is a common inflammatory condition of the external auditory canal characterized by itching, discomfort, discharge, and pain. Topical corticosteroids are widely used for treatment; however, alternative therapies with fewer side effects are of increasing interest. This study aims to compare the efficacy of Nigella sativa (black seed) oil and mometasone furoate ear drops in the treatment of eczematous otitis externa. Nigella sativa is a natural product with known anti-inflammatory and antimicrobial properties. The full summary is on the listing.

Where, as registered

No US site; Turkey (Türkiye) (1).

Not yet recruitingNCT07494279

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

  • No phase
  • Liaquat University of Medical & Health Sciences
  • About 106 people
  • Starts Mar 30, 2026 (estimated)

In plain words A study of black seed in female participants 18 to 65, run by Liaquat University of Medical & Health Sciences. It plans to enroll about 106 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists female participants 18 to 65. Conditions: Prehypertension; Hypertension.

  • 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

5 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

Nigella sativa (Nisatol®); Placebo

Registered 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. The full summary is on the listing.

Where, as registered

No US site; Italy (1).

Not yet recruitingNCT07315555

Efficacy of Oral Nigella Sativa as Adjuvant Therapy in Children With Moderate Persistent Asthma

  • No phase
  • Tanta University
  • About 90 people
  • Starts Jan 1, 2026 (estimated)

In plain words A study of black seed in people 6 to 18, run by Tanta University. It plans to enroll about 90 people and lists no sites yet.

Who it lists and where

Who the trial lists, as registered

Lists people 6 to 18. Conditions: Community Acquired Pneumonia.

  • Children aged 6-18 years
  • Diagnosed with moderate persistent asthma according to the Global Initiative for Asthma (GINA) 2022 guidelines
  • Receiving stable standard controller therapy (inhaled corticosteroids ± long-acting β2-agonists) for at least 4 weeks prior to enrollment
  • Able to perform reproducible spirometry

The exclusion criteria are on the listing.

What it tests, as registered

Nigella sativa Oil Capsules (100 mg/kg/day); Nigella sativa Oil Capsules (50 mg/kg/day); Fluticasone / Long-Acting Beta-2 Agonist Combination

Registered summary

Complementary and adjunctive therapies are increasingly being explored to enhance asthma control and reduce airway inflammation. Nigella sativa (black seed) is a medicinal plant used traditionally in multiple regions and has demonstrated anti-inflammatory, immunomodulatory, and bronchodilator effects. Its potential as an adjuvant therapy in asthma has attracted attention in both preclinical and clinical research

Where, as registered

No sites listed yet.

Not yet recruitingNCT06823544

A Comparative Single Blind Clinical Study on the Effect of Alvogyl, Eugenol, and Nigella Sativa (Black Seed Oil) for Alveolar Osteitis.

  • Phase 2
  • HITEC-Institute of Medical Sciences
  • About 40 people
  • Starts Feb 1, 2025 (estimated)

In plain words A Phase 2 study of black seed in people 16 to 70, run by HITEC-Institute of Medical Sciences. It plans to enroll about 40 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 16 to 70. Conditions: Alveolar Osteitis.

  • Patients over the age of 16, from both genders, who had their teeth extracted and were clinically diagnosed with dry socket.
  • Absence of systematic disease.

The exclusion criteria are on the listing.

What it tests, as registered

Alvogyl; Eugenol; Nigella Sativa Oil

Registered summary

Dry socket the unscientific term also known as alveolar or fibrinolytic osteitis is the most common postoperative complication following tooth extraction. Treatment of Alveolar osteitis can be either pharmacological on non-pharmacological. Management can be by irrigation, surgical intervention and placement of medicated dressing such as topical anti-bacterial, topical anesthetics and obtundants or combination of these three.this study aims to find the best and effective treatment for dry socket comparing Alveogyl, Eugenol and Black seed oil at this institution.

Where, as registered

No US site; Pakistan (1).

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