Topiramate (All indications) updated on 04-22-2025

Severe cognitive developmental delay (Mental retardation) (> 6 years old)

R analysis
id Study   Lib. in paper Exposition period    Study type  Control type 
 
Tags OR 95%CI x1/n1 x0/n0 no cases no exposed ROB Ref.
S17420
R73138
Madley-Dowd_SE (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Intellectual disability (intelligence quotient below 70) - ICD-8/9/10 codes - Mean 5-20 years old (according groups) during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: Yes 2.19 [1.00;4.81]
excluded (control group)
7/264   60/5,035 67 264
ref
S17421
R73144
Madley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Intellectual disability (intelligence quotient below 70) - ICD-8/9/10 codes - Mean 5-20 years old (according groups) during pregnancy (anytime or not specified) population based cohort retrospective unexposed (general population or NOS) Adjustment: Yes 2.40 [1.14;5.06] 7/264   24,323/2,651,210 24,330 264
ref
S17422
R73150
Madley-Dowd_SE (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 Intellectual disability (intelligence quotient below 70) - ICD-8/9/10 codes - Mean 5-20 years old (according groups) during pregnancy (anytime or not specified) population based cohort retrospective sibling excluded Adjustment: Yes 1.51 [0.30;7.50]
excluded (control group)
-/-   -/- - -
ref
S17468
R73412
Dreier (Topiramate) (Epilepsy) (Controls exposed to LTG), 2023 Intellectual disability - Corresponding ICD-10 F-chapter - Up to 22 years of age during pregnancy (anytime or not specified) population based cohort propective exposed to other treatment, sick excluded Adjustment: No 2.71 [1.05;6.98] C
excluded (control group)
5/290   34/5,288 39 290
ref
S17469
R73422
Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Intellectual disability - Corresponding ICD-10 F-chapter - Up to 22 years of age during pregnancy (anytime or not specified) population based cohort propective unexposed, sick Adjustment: Yes 2.23 [0.90;5.50] 5/290   184/22,203 189 290
ref
Total 2 studies 2.33 [1.31;4.14] 24,519 554
x1: number of endpoints among exposed, n1: number of exposed; x0: number of endpoints among non exposed, n0: number of non exposed; C: calculated odds ratio from numbers of events and effectives

Forest plot

StudyTE95% CIn casesn exposedweightROBABCDEF Madley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024Madley-Dowd_SE, 2024 1 2.40[1.14; 5.06]24,33026460%ROB confusion: seriousROB selection: lowROB classification: lowROB missing: lowROB mesure: criticalROB reporting: moderate Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023Dreier, 2023 2 2.23[0.90; 5.50]18929040%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: criticalROB reporting: moderate Total (2 studies) I2 = 0% 2.33[1.31; 4.14]24,5195540.95.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Topiramate) (Controls unexposed, general pop) (Mixed indications; 2: Topiramate) (Epilepsy) (Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 2.33[1.31; 4.14]24,5195540%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 2 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 2.40[1.14; 5.06]24,330264 -NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 1 unexposed, sickunexposed, sick 2.23[0.90; 5.51]189290 -NADreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 1 Tags Adjustment   - Yes  - Yes 2.33[1.31; 4.14]24,5195540%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 2 All studiesAll studies 2.33[1.31; 4.14]24,5195540%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 20.55.01.0

Publication bias and p-hacking diagnosis

funnel plot

Funnel plot not drawn. Less than 3 points.

Asymetry test p-value = NaN (by Egger's regression)

not enought points

p values plot

Funnel plot not drawn. Less than 3 points.

Sub-groups analysis using all included studies

excluded 17468, 17420, 17422

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 2.40[1.14; 5.06]24,330264 -NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 1 unexposed, sick controlsunexposed, sick controls 2.23[0.90; 5.51]189290 -NADreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 1 exposed to other treatment, sick controlsexposed to other treatment, sick controls 2.39[1.31; 4.37]1065540%NAMadley-Dowd_SE (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls exposed to LTG), 2023 2 siblingssiblings 1.51[0.30; 7.55]-- -NAMadley-Dowd_SE (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 10.510.01.0