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

Low birth weight (< 2500g)

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.
S16016
R66486
Christensen (Lamotrigine) (All indications), 2024 Low birth weight (<2500 g) during pregnancy (anytime or not specified) population based cohort retrospective unexposed (general population or NOS) Adjustment: Yes 0.94 [0.84;1.05] 395/8,756   141,442/4,467,848 141,837 8,756
ref
S8978
R30432
Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Weight at birth <2500 g during pregnancy (anytime or not specified) retrospective cohort (claims database) unexposed (general population or NOS) Adjustment: No 1.15 [0.99;1.35] C 172/2,813   91,172/1,707,707 91,344 2,813
ref
S8974
R30418
Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 Low birth weight (< 2500g) throughout pregnancy prospective cohort unexposed, disease free Adjustment: No 1.20 [0.71;2.03] C 74/1,581   18/457 92 1,581
ref
S8953
R30312
Veiby (Lamotrigine) (Controls unexposed, disease free) b, 2013 Low birth weight (< 2500 grams) during pregnancy (anytime or not specified) prospective cohort unexposed, disease free excluded Adjustment: Yes 1.20 [0.50;2.80]
excluded (control group)
6/103   5,024/106,899 5,030 103
ref
S8954
R30326
Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013 Low birth weight (< 2500 grams) during pregnancy (anytime or not specified) prospective cohort unexposed, sick Adjustment: No 1.43 [0.55;3.75] C 6/103   16/386 22 103
ref
Total 4 studies 1.05 [0.90;1.23] 233,295 13,253
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 Christensen (Lamotrigine) (All indications), 2024Christensen, 2024 1 0.94[0.84; 1.05]141,8378,75649%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: moderateROB reporting: moderate Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020Coste, 2020 2 1.15[0.99; 1.35]91,3442,81340%ROB confusion: criticalROB selection: moderateROB classification: criticalROB missing: moderateROB mesure: moderateROB reporting: moderate Hernández-Díaz (Lamotrigine) (Mixed indications), 2014Hernández-Díaz, 2014 3 1.20[0.71; 2.03]921,5818%ROB confusion: criticalROB selection: lowROB classification: moderateROB missing: moderateROB mesure: moderateROB reporting: moderate Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013Veiby, 2013 4 1.43[0.55; 3.75]221033%ROB confusion: seriousROB selection: lowROB classification: lowROB missing: moderateROB mesure: moderateROB reporting: moderate Total (4 studies) I2 = 44% 1.05[0.90; 1.23]233,29513,2530.25.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Lamotrigine) (All indications; 2: Lamotrigine) (Controls unexposed NOS) (Mixed indications; 3: Lamotrigine) (Mixed indications; 4: Lamotrigine) (Controls unexposed, sick) ;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.05[0.90; 1.23]233,29513,25344%NAChristensen (Lamotrigine) (All indications), 2024 Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013 4 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.05[0.88; 1.24]233,27313,15059%NAChristensen (Lamotrigine) (All indications), 2024 Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 3 unexposed, sickunexposed, sick 1.43[0.55; 3.75]22103 -NAVeiby (Lamotrigine) (Controls unexposed, sick) b, 2013 1 Tags Adjustment   - No  - No 1.16[1.01; 1.35]91,4584,4970%NACoste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013 3   - Yes  - Yes 0.94[0.84; 1.05]141,8378,756 -NAChristensen (Lamotrigine) (All indications), 2024 1 All studiesAll studies 1.05[0.90; 1.23]233,29513,25344%NAChristensen (Lamotrigine) (All indications), 2024 Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013 40.25.01.0

Publication bias and p-hacking diagnosis

funnel plot
0.0-1.21.20.5910.000Christensen (Lamotrigine) (All indications), 2024Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020Hernández-Díaz (Lamotrigine) (Mixed indications), 2014Veiby (Lamotrigine) (Controls unexposed, sick) b, 2013

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

not enought points

p values plot
0.01.00.01.0

Sub-groups analysis using all included studies

excluded 8953

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.05[0.90; 1.21]238,30313,25340%NAChristensen (Lamotrigine) (All indications), 2024 Coste (Lamotrigine) (Controls unexposed NOS) (Mixed indications), 2020 Hernández-Díaz (Lamotrigine) (Mixed indications), 2014 Veiby (Lamotrigine) (Controls unexposed, disease free) b, 2013 4 unexposed, sick controlsunexposed, sick controls 1.43[0.55; 3.75]22103 -NAVeiby (Lamotrigine) (Controls unexposed, sick) b, 2013 10.510.01.0