Lamotrigine (Epilepsy) 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.
S17430
R73214
Madley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Intellectual disability (intelligence quotient below 70) - ICD-8/9/10 codes - Mean 5-20 years old (according groups_Followup Gabapentin 5.24 (3.05-9.34)) during pregnancy (anytime or not specified) population based cohort retrospective unexposed, sick Adjustment: Yes Partial overlapping 1.21 [0.83;1.78] 34/2,383   194/10,769 228 2,383
ref
S17251
R72205
Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Intellectual disability - ICD10 codes - Median 6.18 (3.53-9.94) years old during pregnancy (anytime or not specified) retrospective cohort (claims database) unexposed, sick Adjustment: Yes 1.74 [0.55;5.50] -/791   13/4,075 - 791
ref
S15870
R65386
Dreier, 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 0.85 [0.58;1.24] 34/5,288   184/22,203 218 5,288
ref
Total 3 studies 1.05 [0.77;1.43] 446 8,462
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 (Lamotrigine) (Controls unexposed, sick), 2024Madley-Dowd_SE, 2024 1 1.21[0.83; 1.78]2282,38346%ROB confusion: moderateROB selection: lowROB classification: lowROB missing: lowROB mesure: criticalROB reporting: moderate Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024Madley-Dowd_UK, 2024 2 1.74[0.55; 5.50]-7917%ROB confusion: moderateROB selection: lowROB classification: criticalROB missing: unclearROB mesure: criticalROB reporting: moderate Dreier, 2023Dreier, 2023 0.85[0.58; 1.24]2185,28847%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: criticalROB reporting: moderate Total (3 studies) I2 = 19% 1.05[0.77; 1.43]4468,4620.25.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Lamotrigine) (Controls unexposed, sick; 2: Lamotrigine) (Epilepsy;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.05[0.77; 1.43]4468,46219%NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 3 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 1.05[0.77; 1.43]4468,46219%NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 3 Tags Adjustment   - Yes  - Yes 1.05[0.77; 1.43]4468,46219%NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 3 Partial overlappingPartial overlapping 1.21[0.83; 1.77]2282,383 -NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 1 All studiesAll studies 1.05[0.77; 1.43]4468,46219%NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 30.25.01.0

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

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed, sick controlsunexposed, sick controls 1.05[0.77; 1.43]4508,46219%NAMadley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 30.510.01.0

Umbrella review (other published meta-analyses)

Published MAControlPeriodTE95% CIn exposedkI2 Peron (Epilepsy) (Severe cognitive developmen ...Peron (Epilepsy) (Severe cognitive developmental delay (>6 years old)) 0.73[0.46; 1.16]NA-Wwhatever (meta-analysis)Anyduring pregnancy (anytime or not specified)studies TTT1 metaPregmetaPreg 1.05[0.77; 1.43]19%8,462----Madley-Dowd_SE (Lamotrigine) (Controls unexposed, sick), 2024 Madley-Dowd_UK (Lamotrigine) (Epilepsy), 2024 Dreier, 2023 30.510.01.0