None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age > 35 years and (2) Either gender (3) Agreeing to give informed consent
Exclusion criteria
Exclusion criteria: Participants with (1) History of conditions that contraindicates spirometry like hemoptysis, Pneumothorax, recent myocardial infarction, pulmonary embolism & thoracic/abdominal/ocular surgical procedure (within past 3 months), aneurysm (cerebral, abdominal, thoracic), glaucoma, undiagnosed hypertension (2) History of acute/chronic condition affecting the performance (nausea/vomiting, any painful condition affecting mouth, facial palsy etc.) of spirometry (3) History of current infectious airway disease(s) including upper/lower respiratory tract infection and pulmonary tuberculosis (4) History of acute exacerbation of asthma and/or COPD (5) History of smoking in the past 3 month (6) Body mass index > 30 kg/m2 (7) Pregnancy (8) History of taking antioxidant medicine supplementation at least for last 15 days (9) History of daily intake of Amla fruit/its derivative(s) or citrus fruits in an amount accounting daily vitamin C consumption >60 mg, at least for previous 15 days (10) History of taking medications interfering with absorption or action of vitamin C (11) History of allergy with food/drug containing vitamin C
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in pulmonary functionsTimepoint: At baseline and at 6 weeks | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. To compare the change in lung functions after 6 weeks of ascorbic acid supplementation between persons with reduced lung functions and normal lung functions at the baseline. 2. To find optimum dose of daily ascorbic acid supplementation to improve lung functions in persons of age 35 years. Timepoint: At baseline and at 6 weeks | — |
Countries
India
Contacts
All India Institute of Medical Sciences, New Delhi