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

ADHD (Attention deficit hyperactivity disorder): Diagnosis/Risk

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
R73136
Madley-Dowd_SE (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD-8/9/10 codes and/or ADHD medication prescription - 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 Partial overlapping 0.93 [0.55;1.57]
excluded (control group)
15/264   243/5,035 258 264
ref
S17421
R73142
Madley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD-8/9/10 codes and/or ADHD medication prescription - Mean 5-20 years old (according groups) during pregnancy (anytime or not specified) population based cohort retrospective unexposed (general population or NOS) Adjustment: Yes Partial overlapping 0.80 [0.48;1.33] 15/264   147,608/2,651,210 147,623 264
ref
S17422
R73148
Madley-Dowd_SE (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD-8/9/10 codes and/or ADHD medication prescription - Mean 5-20 years old (according groups) during pregnancy (anytime or not specified) population based cohort retrospective sibling excluded Adjustment: Yes Partial overlapping 0.51 [0.19;1.35]
excluded (control group)
-/-   -/- - -
ref
S17285
R72375
Madley-Dowd_UK (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD10 codes and/or ADHD medication prescription - Median follow up 5.41 (3.59-8.40) years old during pregnancy (anytime or not specified) retrospective cohort (claims database) exposed to other treatment, sick excluded Adjustment: Yes 0.43 [0.06;3.43]
excluded (control group)
-/154   14/939 - 154
ref
S17270
R72376
Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD10 codes and/or ADHD medication prescription - Median follow up 5.41 (3.59-8.40) years old during pregnancy (anytime or not specified) retrospective cohort (claims database) unexposed (general population or NOS) Adjustment: Yes 0.71 [0.10;5.32] -/154   4,794/514,066 - 154
ref
S17278
R72377
Madley-Dowd_UK (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 Attention Deficit Hyperactivity Disorder - ICD10 codes and/or ADHD medication prescription - Median follow up 5.41 (3.59-8.40) years old during pregnancy (anytime or not specified) retrospective cohort (claims database) sibling excluded Adjustment: Yes 0.25 [0.02;2.67]
excluded (control group)
-/-   -/- - -
ref
S17468
R73416
Dreier (Topiramate) (Epilepsy) (Controls exposed to LTG), 2023 Attention-deficit/hyperactivity disorder (ADHD) - 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 3.19 [1.85;5.50] C
excluded (control group)
16/290   95/5,288 111 290
ref
S17469
R73426
Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Attention-deficit/hyperactivity disorder (ADHD) - 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 2.38 [1.40;4.06] 16/290   528/22,203 544 290
ref
S8589
R48828
Richards (Topiramate) (Controls exposed to Lamotrigine, sick) (Indications NOS), 2019 The Strengths and Difficulties Questionnaire - parent-completed (SDQP) Hyperactivity ≥7 (at 4 years old) during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 0.18 [0.01;3.16] C
excluded (control group)
0/28   13/149 13 28
ref
S8590
R48829
Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 The Strengths and Difficulties Questionnaire - parent-completed (SDQP) Hyperactivity ≥7 (at 4 years old) during pregnancy (anytime or not specified) population based cohort retrospective unexposed (general population or NOS) Adjustment: No 0.42 [0.03;6.93] C 0/28   11,841/286,966 11,841 28
ref
S8582
R48827
Bromley (Topiramate), 2016 Maladaptive behavior: Attention (BASC) (5-9 years old) during pregnancy (anytime or not specified) retrospective cohort (registry) unexposed, sick Adjustment: No extrapolated (cont. endpoint) 1.00 [0.43;2.31] -/27   -/55 - 27
ref
S8615
R48830
Rihtman (Topiramate) (Mixed indications), 2012 Cognitive problems/inattention (Parent questionnaire) (Conners' rating scale - revised) (mean age around 4 years old) at least 1st trimester prospective cohort unexposed (general population or NOS) Adjustment: No extrapolated (cont. endpoint) Matched 4.37 [0.91;21.04] -/8   -/18 - 8
ref
Total 6 studies 1.31 [0.71;2.44] 160,008 771
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 0.80[0.48; 1.33]147,62326428%ROB confusion: seriousROB selection: lowROB classification: lowROB missing: lowROB mesure: moderateROB reporting: moderate Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024Madley-Dowd_UK, 2024 2 0.71[0.10; 5.32]-1548%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: unclearROB mesure: moderateROB reporting: moderate Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023Dreier, 2023 3 2.38[1.40; 4.06]54429028%ROB confusion: seriousROB selection: lowROB classification: moderateROB missing: lowROB mesure: criticalROB reporting: moderate Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019Richards, 2019 4 0.42[0.03; 6.93]11,841284%ROB confusion: criticalROB selection: lowROB classification: criticalROB missing: criticalROB mesure: moderateROB reporting: moderate Bromley (Topiramate), 2016Bromley, 2016 5 1.00[0.43; 2.31]-2721%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Rihtman (Topiramate) (Mixed indications), 2012Rihtman, 2012 6 4.37[0.91; 21.04]-811%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Total (6 studies) I2 = 59% 1.31[0.71; 2.44]160,0087710.210.01.0ROB: 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) (Controls unexposed, general pop) (Mixed indications; 3: Topiramate) (Epilepsy) (Controls unexposed, sick; 4: Topiramate) (Controls unexposed, NOS) (Indications NOS; 5: Topiramate; 6: Topiramate) (Mixed indications;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.31[0.71; 2.44]160,00877159%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 Bromley (Topiramate), 2016 Rihtman (Topiramate) (Mixed indications), 2012 6 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.06[0.45; 2.49]159,46445432%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 Rihtman (Topiramate) (Mixed indications), 2012 4 unexposed, sickunexposed, sick 1.64[0.71; 3.81]54431766%NADreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Bromley (Topiramate), 2016 2 Tags Adjustment   - No  - No 1.41[0.46; 4.32]11,8416339%NARichards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 Bromley (Topiramate), 2016 Rihtman (Topiramate) (Mixed indications), 2012 3   - Yes  - Yes 1.25[0.50; 3.10]148,16770877%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 3 extrapolated (cont. endpoint)extrapolated (cont. endpoint) 1.79[0.44; 7.35]-3562%NABromley (Topiramate), 2016 Rihtman (Topiramate) (Mixed indications), 2012 2 MatchedMatched 4.37[0.91; 21.01]-8 -NARihtman (Topiramate) (Mixed indications), 2012 1 Partial overlappingPartial overlapping 0.80[0.48; 1.33]147,623264 -NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 1 All studiesAll studies 1.31[0.71; 2.44]160,00877159%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 Bromley (Topiramate), 2016 Rihtman (Topiramate) (Mixed indications), 2012 60.210.01.0

Publication bias and p-hacking diagnosis

funnel plot
0.0-3.43.61.7120.000Madley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024Dreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019Bromley (Topiramate), 2016Rihtman (Topiramate) (Mixed indications), 2012

Asymetry test p-value = 0.9167 (by Egger's regression)

slope=0.3254 (0.5623); intercept=-0.1551 (1.3928); t=0.1113; p=0.9167

p values plot
0.01.00.01.0

Sub-groups analysis using all included studies

excluded 8589, 17468, 17420, 17422, 17285, 17278

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.06[0.45; 2.49]164,24945432%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, general pop) (Mixed indications), 2024 Richards (Topiramate) (Controls unexposed, NOS) (Indications NOS), 2019 Rihtman (Topiramate) (Mixed indications), 2012 4 unexposed, sick controlsunexposed, sick controls 1.64[0.71; 3.81]54431766%NADreier (Topiramate) (Epilepsy) (Controls unexposed, sick), 2023 Bromley (Topiramate), 2016 2 exposed to other treatment, sick controlsexposed to other treatment, sick controls 1.09[0.38; 3.14]38773679%NAMadley-Dowd_SE (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls exposed to LTG) (Mixed indications), 2024 Dreier (Topiramate) (Epilepsy) (Controls exposed to LTG), 2023 Richards (Topiramate) (Controls exposed to Lamotrigine, sick) (Indications NOS), 2019 4 siblingssiblings Out of scale0.46[0.19; 1.15]--0%NAMadley-Dowd_SE (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 Madley-Dowd_UK (Topiramate) (Controls unexposed, sibling) (Mixed indications), 2024 20.510.01.0