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Comparison · NCT03615040-sae

Anti-ST2 vs Placebo: serious adverse events

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

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ConductScience Library. Anti-ST2 vs Placebo: serious adverse events. Trial comparisons, record NCT03615040-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03615040-sae

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 10.2860.1720.436wilson
Risk in group 20.410.2710.566wilson
Risk difference, group 1 minus group 2-0.125-0.3170.0802newcombe hybrid score
Risk ratio, group 1 over group 20.6960.3791.28log
Odds ratio, group 1 over group 20.5750.2281.45log
Number needed to treat, for one fewer participant with a serious adverse event on Anti-ST2 than on Placebo8.03from the risk difference intervalthe interval includes no difference

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Anti-ST2
Anti-ST2 (MSTT1041A\*) received as subcutaneous injection by infusion pump at 490mg every 4 weeks over a 48 week treatment period.~Anti-ST2 was presented as sterile, clear, and colourless to slightly yellow liquid. Each sterile vial is filled with a 1 mL deliverable volume of 70 mg/mL. It was formulated with 15 mM sodium acetate, 9.0% (w/v) sucrose, 0.01% (w/v) polysorbate 20, pH 5.2.~\*Official USAN name for MSTT1041A is now astegolimab
1242EG000
Group 2Placebo
Placebo (no active component) received as subcutaneous injection by infusion pump at 490mg every 4 weeks over a 48 week treatment period.~Placebo for Anti-ST2 (MSTT1041A) was formulated with 10 mM sodium acetate, 9.0% (w/v) sucrose, 0.004% (w/v) polysorbate 20, pH 5.2, and was supplied in an identical vial configuration.
1639EG001

Harm

What it counts
Total, serious adverse events
Time frame
Adverse event data occurring from the point of randomisation until the final trial visit following follow-up (or 100 days post cessation of trial treatment (if discontinued early), were recorded throughout the 48 week treatment period and 12 week post-trial follow-up.

Source ClinicalTrials.gov

Trial

Title
Anti-ST2 (MSTT1041A) in COPD (COPD-ST2OP)
NCT number
NCT03615040
Phases
PHASE2
Conditions
COPD Exacerbation
Interventions
MSTT1041A, Placebo
Lead sponsor
University of Leicester
Results first posted
2022-05-24

Source ClinicalTrials.gov

Source

Release
trial-comparisons-2026-03-23-0.1.0
Release manifest SHA-256
f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
AACT copy
2026-03-23
Tables read
outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet

Source ClinicalTrials.gov

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

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