Asthma in Children Clinical Trial
Official title:
Efficacy Of Doxophylline As A Sparing Treatment For Inhaled Corticosteroids In Mexican Children With Asthma
This study evaluated the efficacy of doxophylline as a steroid sparing treatment in Mexican children with asthma treated with medium ir high doses of inhaled corticosteroids (ICS). It is a cross over study in which both groups of patients will receive doxophylline plus a lower steroid dose maintaining the same treatment step according to GINA guidelines, one group will maintain the same treatment dose while the other will start with doxophylline with the lower ICS dose, and by the middle of the study both groups will interchange treatment schemes.
Status | Not yet recruiting |
Enrollment | 60 |
Est. completion date | December 2019 |
Est. primary completion date | September 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 6 Years to 16 Years |
Eligibility |
Inclusion Criteria: 1. Mexican patients between 6 and 16 years old. 2. Clinical diagnosis of asthma according to the current guidelines of the Global Asthma Initiative (GINA) 2018. 3. Patients with asthma treated with budesonide at medium or high doses during (GINA guidelines´ steps 3 or 4) at least two months before the first study visit. Budesonide medium dose: 200-400 mcg / day (6-11 years) and 400-800 mcg / day (> 12 years). Budesonide high dose: > 400 mcg / day (6-11 years) and > 800 mcg / day (> 12 years). Exclusion Criteria: 1. Patients <6 or =16 years of age. 2. Patients with <16 kg of body weight. 3. Patients who have had an asthma exacerbation that required treatment with systemic corticosteroids (oral, intramuscular or intravenous) during the 2 months prior to the first study visit. 4. Patients who have presented an asthma exacerbation that required hospitalization during the 2 months prior to the first study visit. 5. Any other chronic lung disease that could impair lung function evaluation. 6. Cardiovascular, infectious, metabolic or neoplastic disease that could interfere with the evaluation of the patient. 7. Current use of drugs that interact with doxophylline: other xanthines, ephedrine or other sympathomimetics, erythromycin, troleandomycin, lincomycin, clindamycin, allopurinol, cimetidine, two months prior vaccination, propranolol, phenytoin or other anticonvulsants. |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Universidad Autonoma de Nuevo Leon |
Lal D, Manocha S, Ray A, Vijayan VK, Kumar R. Comparative study of the efficacy and safety of theophylline and doxofylline in patients with bronchial asthma and chronic obstructive pulmonary disease. J Basic Clin Physiol Pharmacol. 2015 Sep;26(5):443-51. doi: 10.1515/jbcpp-2015-0006. — View Citation
Margay SM, Farhat S, Kaur S, Teli HA. To study the efficacy and safety of doxophylline and theophylline in bronchial asthma. J Clin Diagn Res. 2015 Apr;9(4):FC05-8. doi: 10.7860/JCDR/2015/12438.5743. Epub 2015 Apr 1. — View Citation
Rajanandh MG, Nageswari AD, Ilango K. Assessment of various second-line medications in addition to inhaled corticosteroid in asthma patients: a randomized controlled trial. Clin Exp Pharmacol Physiol. 2014 Jul;41(7):509-13. doi: 10.1111/1440-1681.12239. — View Citation
Rajanandh MG, Nageswari AD, Ilango K. Pulmonary function assessment in mild to moderate persistent asthma patients receiving montelukast, doxofylline, and tiotropium with budesonide: a randomized controlled study. Clin Ther. 2014 Apr 1;36(4):526-33. doi: — View Citation
Riffo-Vasquez Y, Venkatasamy R, Page CP. Steroid sparing effects of doxofylline. Pulm Pharmacol Ther. 2018 Feb;48:1-4. doi: 10.1016/j.pupt.2017.10.008. Epub 2017 Oct 16. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in the values of the forced expiratory volume on the first second | Changes in the values of FEV1 (FEV1 in percent predicted) by comparing the baseline to subsequent evaluations. | 4 weeks | |
Secondary | Use of rescue therapy | The use of rescue therapy defined as daily average of inhalations per day according to the data collected in the patient's diaries. | 4 weeks | |
Secondary | Clinical asthma control assessment | Differences in clinical asthma control assessment with a visual analogue scale (minimum score is 1, maximum score is 10,) comparing the baseline to follow-up evaluations. | 4 weeks | |
Secondary | Asthma exacerbations | Number of asthma exacerbations defined as acute episodes of progressively worsening shortness of breath, coughing, wheezing, and chest tightness or any combination thereof for at least 3 days, reported on the patient´s symptoms log. | 4 weeks | |
Secondary | Use of systemic corticosteroids | - The use of systemic corticosteroids for at least 3 days for the treatment of an asthma exacerbation according to the data collected in the patient's diaries. | 4 weeks | |
Secondary | Changes on the exhaled breath temperature | -Differences in values exhaled breath temperature measured in Celsius degrees with the X-halo device, comparing the baseline to follow-up evaluations. | 4 weeks |
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