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Comparison · NCT03055377-sae

N-acetylcysteine 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. N-acetylcysteine vs Placebo: serious adverse events. Trial comparisons, record NCT03055377-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03055377-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 100.000000000000000003470.0377wilson
Risk in group 2000.0393wilson
Risk difference, group 1 minus group 20-0.03930.0377newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1N-acetylcysteineN-acetylcysteine 1200 mg twice daily for 12 weeks~N-acetyl cysteine: N-acetylcysteine 1200 mg twice daily for 12 weeks (administered orally)098EG000
Group 2Placebo
Placebo (matched in appearance to N-acetylcysteine to preserve double-blind) twice daily for 12 weeks~Placebo oral capsule: Placebo (matched in appearance to N-acetylcysteine to preserve double-blind) twice daily for 12 weeks (administered orally)
094EG001

Harm

What it counts
Total, serious adverse events
Time frame
Adverse event data were collected throughout the full 6-month participant enrollment period (includes 12 weeks of study treatment and extended post-treatment follow-up thereafter)

Source ClinicalTrials.gov

Trial

Title
N-Acetylcysteine for Youth Cannabis Use Disorder
NCT number
NCT03055377
Phases
PHASE2, PHASE3
Conditions
Cannabis Use Disorder
Interventions
N-acetyl cysteine, Placebo oral capsule
Lead sponsor
Medical University of South Carolina
Results first posted
2024-12-17

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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