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Comparison · NCT03444870-52c2b985

Global - OLE Period: Gantenerumab (DBT) to Gantenerumab vs Global - OLE Period: Placebo (DBT) to Gantenerumab: OLE Period: Number of Participants With at Least One AEs

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

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ConductScience Library. Global - OLE Period: Gantenerumab (DBT) to Gantenerumab vs Global - OLE Period: Placebo (DBT) to Gantenerumab: OLE Period: Number of Participants With at Least One AEs. Trial comparisons, record NCT03444870-52c2b985. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03444870-52c2b985

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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 10.80.5840.919wilson
Risk in group 20.8890.5650.98wilson
Risk difference, group 1 minus group 2-0.0889-0.3230.256newcombe hybrid score
Risk ratio, group 1 over group 20.90.6551.24log
Odds ratio, group 1 over group 20.50.04775.24log
Number needed to treat, for one fewer participant with the outcome on Global - OLE Period: Gantenerumab (DBT) to Gantenerumab than on Global - OLE Period: Placebo (DBT) to Gantenerumab11.3from the risk difference intervalthe interval includes no difference

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Global - OLE Period: Gantenerumab (DBT) to GantenerumabParticipants who received gantenerumab in the DBT period continued receiving gantenerumab, SC injections, 510 mg, Q2W up to Week 34 of the OLE period.1620OG001
Group 2Global - OLE Period: Placebo (DBT) to Gantenerumab
Participants who received gantenerumab matching placebo in the DBT period received gantenerumab SC injections with gradual up titration starting at a dose of 120 mg, Q4W for 3 doses, followed by 255 mg, Q4W for 3 doses, and then at a dose of 510 mg, Q4W up to Week 34 of the OLE period. To maintain the blind to previous treatment assignment, participants received Q2W, SC injections, with alternate doses containing gantenerumab matching placebo.
89OG000

Outcome

Type
SECONDARY
Title
OLE Period: Number of Participants With at Least One AEs
Description
An AE is any untoward medical occurrence in a clinical investigation participant administered a pharmaceutical product, regardless of causal attribution.
Time frame
From day of first dose in OLE period up to 14 weeks after the last OLE dose (up to 68 weeks)
Population
SE analysis set included all participants randomized during the global phase who received at least one dose of study drug. In the DBT period, 4 participants randomized to placebo arm received at least one dose of gantenerumab and were considered in the gantenerumab arm for safety analysis set, of which one participant entered OLE period.

Source ClinicalTrials.gov

Trial

Title
Efficacy and Safety Study of Gantenerumab in Participants With Early Alzheimer's Disease (AD)
NCT number
NCT03444870
Phases
PHASE3
Conditions
Alzheimer Disease
Interventions
Gantenerumab, Placebo
Lead sponsor
Hoffmann-La Roche
Results first posted
2024-01-30

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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