As Principal Investigator
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Multicentric clinical trials of Indigenous drugs in bronchial asthma (Indian Council of Medical Research).
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Study of effects of a stressful occupation on respiratory health (Department of Science & Technology, Government of India).
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Clinical and Physiological implications of failure of calcium homeostatic pumps in asthma and their modulation by inhaled corticosteroids (Council of Scientific and Industrial Research)
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A study of prevalence of bronchial asthma in school children in Delhi (Indian Council of Medical Research)
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An epidemiological investigation into respiratory morbidity due to air pollution in Delhi (World Health Organisation)
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Bronchodilatation in normal elderly subjects following ipratropium bromide and salbutamol aerosols and their effect on other lung functions (Indian Council of Medical Research)
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Efficacy and tolerance of R-salbutamol in bronchial asthma. (Cipla India Ltd).
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Comparison of addition of salmeterol to fluticasone and doubling of fluticasone in bronchial asthma (Cipla Ltd)
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Study of Renin-Angiotensin-Aldosterone system in COPD (Cipla Ltd)
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Comparison of the efficacy of Ciclesonide MDI with budesonide MDI in stable asthmatic patients pretreated with inhaled corticosteroids (Zydus Byk India Ltd)
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Oxidant-antioxidant balance in bronchial asthma: Evaluation of the role of alpha-tocopherol in treatment (Indian Council of Medical Research)
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Effect of High Dietary Sodium Intake and Inhibition of Sodium-Potassium Adenosine Triphosphatase on Induction of Asthma in Guinea Pigs (Department of Science & Technology)
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Potentiation of allergic asthma by air pollution: The Ozone-Allergen interaction and its modulation by dietary antioxidants, alpha-tocopherol and ascorbic acid. (Indian Council of Medical Research)
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Air Pollution and mortality in Delhi, India. In collaboration with the Energy Research Institute (TERI) and AIIMS, NDMC. (Health Effects Institute, USA)
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Assessment of the Effects of High Particulate Pollutants on Pulmonary Health Status in Selected Mega-cities of South Asia. (National Physical Laboratory)
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Pulmonary Function in Normal Children in India: Development of reference standards for spirometry for different regions using a uniform methodology. (Indian Council of Medical Research)
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Pulmonary Function in Normal Adults in India: Development of Reference Standards for Spirometry, Static Lung Volumes and Single Breath Diffusion Capacity. (Indian Council of Medical Research)
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Heart Rate Variability in Chronic Obstructive Pulmonary Disease: Association with Systemic Inflammation and Clinical Implications. (Department of Science & Technology)
As Co-Investigator
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Transmembrane signalling in bronchial asthma. (Department of Science & Technology; Principal investigator Prof SK Bansal, Department of Bochemistry
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Multicentric studies on the prevalence of bronchial asthma. (Indian Council of Medical Research, Principal investigator Prof SK Jindal, Department of Pulmonary Medicine, PGIMER, Chandigarh)
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Prevalence of Mycoplasma pneumoniae infection in patients of acute exacerbations of Chronic Obstructive Pulmonary Disease. (Indian Council of Medical Research Principal investigator DrMandira Varma, Department of Microbiology)
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Study of Virological and biochemical regulatory mechanism of influenza virus induced apoptosis in murine model of allergic asthma. (Council of Scientific & Industrial Research. Principal investigator DrMadhu Khanna, Department of Virology)
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Genetic Analysis of Influenza Virus in Clinical Specimens by Rapid Molecular Techniques. (Department of Science & Technology; Principal investigator DrMadhu Khanna, Department of Virology)