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Does magnesium sulphate reduce length of stay and improve spirometry in acute moderate to severe asthma when initial treatment fails?

Adults with acute asthma non responsive to initial treatment treated with intravenous magnesium sulphate versus placebo as an adjunct to standard care;the effect on lung function and length of stay in hospital.

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12612000838819
Acronym
ASsesing THe use of Magnesium in Asthma ASTHMA
Enrollment
42
Registered
2012-08-09
Start date
2012-06-01
Completion date
2017-09-01
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

To ascertain whether the addition of intravenous magnesium sulphate for treatment of acute asthma exacerbations where standard treatment has failed to resolve the attack will improve outcomes and reduce the need for admission to hospital

Interventions

Intravenous magnesium sulphate as a single dose of 20mmol in 100mls normal saline as a slow infusion over 30-40 minutes In addition to standard care/treatment 3x5mg nebulizations of salbutamol and 1x500mcg nebulization of atrovent and 50mg oral prednisolone. Further salbutamol 5mg nebulizations as required prn for the next 4 hours ( duration of the trial intervention protocol) After this time patient is either discharged or admitted and treatment is determined by the admitting clinician accordin

Intravenous magnesium sulphate as a single dose of 20mmol in 100mls normal saline as a slow infusion over 30-40 minutes In addition to standard care/treatment 3x5mg nebulizations of salbutamol and 1x500mcg nebulization of atrovent and 50mg oral prednisolone. Further salbutamol 5mg nebulizations as required prn for the next 4 hours ( duration of the trial intervention protocol) After this time patient is either discharged or admitted and treatment is determined by the admitting clinician according to need. Standard care with nebulizations and oral prednisolone given first then if eligible for the trial then given magnesium suplate or placebo and additional ventolin nebulizations as required for the duration of the intervention (4hours)

Sponsors

maureen busuttil
Lead SponsorIndividual

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used) (Subject, Caregiver)

Eligibility

Sex/Gender
All
Age
18 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

Acute asthma exacerbation requiring attendance to an emergency department

Exclusion criteria

life threatening asthma pregnancy other respiratory diseases eg pulmonary embolis,pneumonia

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026