Thiopurines (Azathioprine, Mercaptopurin) updated on 07-28-2025

Childhood asthma

id	Study   Auto Jolving, 2021	Lib. in paper	Exposition period  Auto during pregnancy (anytime or not specified)1st trimester2nd trimester3rd trimester2nd and/or 3rd trimesterthroughout pregnancyearly pregnancydays before deliverylate pregnancypreconception-onlypericonceptionalpreconceptional for kinetic reasonat least 1st trimester3 months (or more) before pregnancy or during pregnancy1st and 2nd trimester3 months or more before pregnancy or1st trimesterPaternal exp. genotoxic window only (0–3 months preconception)Paternal exposure: epigenetic window only (3–xxx months preconception)Paternal exposure: genotoxic/epigenetic window (0–xxx months preconception)Paternal exposure: other window	Study type  All studies Case control excluded Only case control	Control type    Auto unexposed (general population or NOS)unexposed, sickunexposed, disease freeexposed to other treatment, sicknot specifiedsiblingwhatever (meta-analysis)	Tags	OR 95%CI	x1/n1 x0/n0	no cases	no exposed	ROB	Ref.
S12206 R45548	Jolving, 2021	Asthma and bronchitis in children of at least 3 years	3 months (or more) before pregnancy or during pregnancy excluded	population based cohort retrospective	unexposed (general population or NOS)	Adjustment: Yes Indications: Any or not specified	0.94 [0.73;1.21] excluded (exposition period)	73/1,047   96,527/1,307,174	96,600	1,047		ref
					Total	0 studies	NaN [NaN;NaN]		0	0
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

Sensitivity analysis