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This study aims to identify whether early administration of magnesium sulfate in moderate asthma exacerbations can potentially avoid admission, decrease length of stay in the emergency department (ED), decrease length of stay (LOS) in the general hospital floor vs pediatric intensive care unit (PICU), and decrease the need for respiratory support.
Patients ages 5-17 presenting to the OU Children's Hospital Emergency Department from October 2023 to July 2024 will be assigned a respiratory score (RS) upon presentation. Those with a RS between 6-9 (moderate exacerbation) will be screened for inclusion. Eligible patient will then be approached for consent. First line asthma therapies including bronchodilators and steroids will not be delayed for the consent process. Patients who consent will be randomized to the control vs. experimental group once consent is obtained.
The study will not be blinded once a patient is randomized to a group, the provider will know whether the patient will receive weight-based IV magnesium within the first hour (experimental group) or receive standard weight-based IV magnesium sulfate per the provider's clinical judgement (placebo group). Magnesium sulfate dosing for the experimental group will be as follows:
15-19 kg: 750 mg
20-29 kg: 1000 mg
30-39 kg: 1500 mg
>40 kg: 2000 mg
Enrolled patients will have their clinical course reviewed and data obtained regarding LOS in ED and hospital stay, need for respiratory support, and or PICU LOS if applicable.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Magnesium Sulfate in the first hour | Experimental | These patients will receive 40-50 mg/kg IV magnesium sulfate within the first hour of treatment alongside all first line asthma exacerbation therapies (ie inhaled beta agonists, IV steroids). |
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| No Magnesium Sulfate | Placebo Comparator | These patients will not receive IV magnesium sulfate within the first hour of treatment but may receive it later if the provider feels it is clinically necessary. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Magnesium Sulfate within the first hour | Drug | The experimental group will receive 40-50 mg/kg of IV magnesium sulfate will be given to the experimental group alongside the first line asthma therapies (ie inhaled beta agonists, IV steroids). This will be given with a 20 mL/kg normal saline bolus (max 1000 mL) to avoid possible hypotension. 15-19 kg: 750 mg 20-29 kg: 1000 mg 30-39 kg: 1500 mg >40 kg: 2000 mg |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Length of Stay in Patients who receive IV Magnesium within the first hour (experimental group) vs control group | Evaluating whether timely administration of IV magnesium sulfate in moderate asthma exacerbations can reduce length of stay in the ED, general hospital bed or PICU. The data will also be analyzed to determine if more patients in the experimental group were able to be discharged from the emergency department compared to the control group. | From initiation of therapy to discharge from the emergency department or admitting unit, up to 1 week |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluate the need for respiratory support in patients receiving magnesium sulfate within the first hour (experimental group) vs control group | Evaluating whether timely administration of IV magnesium sulfate in moderate asthma exacerbations can decrease the need for respiratory support including invasive and non-invasive respiratory support devices. | Time of initiation of therapy to discharge from the hospital, up to 2 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ryan McKee, MD | Contact | 4056308997 | ryan-mckee@ouhsc.edu | |
| Jaclyn Urquiola Sorzano, DO | Contact | 7863906297 | jaclyn-urquiola@ouhsc.edu |
| Name | Affiliation | Role |
|---|---|---|
| Ryan McKee, MD | University of Oklahoma | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Oklahoma Children's Hospital | Recruiting | Oklahoma City | Oklahoma | 73104 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 15613519 | Background | Cheuk DK, Chau TC, Lee SL. A meta-analysis on intravenous magnesium sulphate for treating acute asthma. Arch Dis Child. 2005 Jan;90(1):74-7. doi: 10.1136/adc.2004.050005. | |
| 25024668 | Background | Kokotajlo S, Degnan L, Meyers R, Siu A, Robinson C. Use of intravenous magnesium sulfate for the treatment of an acute asthma exacerbation in pediatric patients. J Pediatr Pharmacol Ther. 2014 Apr;19(2):91-7. doi: 10.5863/1551-6776-19.2.91. |
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| ID | Term |
|---|---|
| D001249 | Asthma |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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Experiment group will receive magnesium sulfate within the first hour with all of the other first line treatments vs. control group will not receive magnesium sulfate within the first hour of treatment.
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Since the study is randomized, the participant and the provider will not know which group the enrolled patient will be in until the patient is randomized to a group.
|
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| No Magnesium sulfate within the first hour | Other | The control group will not receive IV magnesium sulfate within the first hour of treatment. |
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| 27218606 | Background | Liu X, Yu T, Rower JE, Campbell SC, Sherwin CM, Johnson MD. Optimizing the use of intravenous magnesium sulfate for acute asthma treatment in children. Pediatr Pulmonol. 2016 Dec;51(12):1414-1421. doi: 10.1002/ppul.23482. Epub 2016 May 24. |
| 29305409 | Background | Shein SL, Farhan O, Morris N, Mahmood N, Alter SJ, Biagini Myers JM, Gunkelman SM, Kercsmar CM, Khurana Hershey GK, Martin LJ, McCoy KS, Ruddy JR, Ross KR. Adjunctive Pharmacotherapies in Children With Asthma Exacerbations Requiring Continuous Albuterol Therapy: Findings From The Ohio Pediatric Asthma Repository. Hosp Pediatr. 2018 Jan 5;8(2):89-95. doi: 10.1542/hpeds.2017-0088. Online ahead of print. |
| 22859321 | Background | Torres S, Sticco N, Bosch JJ, Iolster T, Siaba A, Rocca Rivarola M, Schnitzler E. Effectiveness of magnesium sulfate as initial treatment of acute severe asthma in children, conducted in a tertiary-level university hospital: a randomized, controlled trial. Arch Argent Pediatr. 2012 Aug;110(4):291-6. doi: 10.5546/aap.2012.eng.291. English, Spanish. |
| 10796650 | Background | Rowe BH, Bretzlaff JA, Bourdon C, Bota GW, Camargo CA Jr. Magnesium sulfate for treating exacerbations of acute asthma in the emergency department. Cochrane Database Syst Rev. 2000;2000(2):CD001490. doi: 10.1002/14651858.CD001490. |
| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |