About this trial
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
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
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
Disqualifiers
History of severe asthma exacerbation requiring ICU admission in the past 3 months
Use of systemic corticosteroids within 4 weeks prior to enrollment
Known hypersensitivity to Nigella sativa or its components
Other chronic respiratory diseases (e.g., cystic fibrosis, bronchiectasis)
Trial design
Crossover
Treatments tested in this trial
Nigella sativa Oil Capsules (100 mg/kg/day)
Dietary supplementNigella sativa oil administered orally in capsule form at a dose of 100 mg/kg/day as adjunct therapy.
Nigella sativa Oil Capsules (50 mg/kg/day)
Dietary supplementNigella sativa oil administered orally in capsule form at a dose of 50 mg/kg/day as adjunct therapy.
Fluticasone / Long-Acting Beta-2 Agonist Combination
DrugLow-dose inhaled corticosteroid (fluticasone propionate 200 µg/day) combined with a long-acting beta-2 agonist (two puffs every 12 hours), administered via metered-dose inhaler with spacer.
Treatment groups
Trial outcomes
Primary outcomes
Asthma Control Questionnaire (ACQ)
Forced Expiratory Volume in 1 second (FEV₁)
Pulmonary function will be assessed using standard spirometry performed according to American Thoracic Society/European Respiratory Society (ATS/ERS) guidelines.
Forced Vital Capacity (FVC)
Pulmonary function will be assessed using standard spirometry performed according to American Thoracic Society/European Respiratory Society (ATS/ERS) guidelines.
FEV₁/FVC ratio
Pulmonary function will be assessed using standard spirometry performed according to American Thoracic Society/European Respiratory Society (ATS/ERS) guidelines.
Locations
Sponsors and contacts
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