Study |
Type of data |
Exposure measurement |
Outcome assessment |
Adjustment |
Broms (Controls exposed to other treatments), 2020
|
population based cohort retrospective
|
The national prescribed drug registers. Information was also identified from the National Patient Register (Denmark), from the register for biologic treatment (Finland) and from the ARTIS and PsoReg registers (Sweden).
|
Medical birth registers and patient registers. The registers prospectively record information on pregnancy, delivery and the neonatal period.
|
No adjustment for this group of exposure.
|
Broms (Controls unexposed, disease free), 2020
|
population based cohort retrospective
|
The national prescribed drug registers. Information was also identified from the National Patient Register (Denmark), from the register for biologic treatment (Finland) and from the ARTIS and PsoReg registers (Sweden).
|
Medical birth registers and patient registers. The registers prospectively record information on pregnancy, delivery and the neonatal period.
|
No adjustment for this group of comparison.
|
Bröms (controls unexposed, disease free), 2016
|
population based cohort retrospective
|
The national registers on prescribed drugs. Anti-TNF treatment also identified from visits recorded in the patient register covering all Danish hospitals using a specific treatment code (Denmark) or from the ARTIS and PsoReg registers (Sweden).
|
The national medical birth registers and patient registers.
|
No adjustment for this control group.
|
Bröms (controls unexposed, sick), 2016
|
population based cohort retrospective
|
The national registers on prescribed drugs. Anti-TNF treatment also identified from visits recorded in the patient register covering all Danish hospitals using a specific treatment code (Denmark) or from the ARTIS and PsoReg registers (Sweden).
|
The national medical birth registers and patient registers.
|
Adjusted for country, chronic inflammatory diagnosis, maternal age, parity, smoking, BMI, multiple birth.
|
Carman (Control unexposed, disease free), 2017
|
retrospective cohort (claims database)
|
The ETN‐exposure was defined as having at least one administration or pharmacy dispensing during pregnancy. Provider‐administered drug exposures were identified using procedure codes for injections or infusions pharmacy dispensing claims.
|
Infant outcomes were identified using claims‐based procedure or ICD‐9 diagnosis codes for: Low Birth Weight; prematurity and malformations. Medical records of all Optum‐affiliated infants with MCM claims, and their mothers, were subsequently sought for expert adjudication of the claims.
|
Matched by maternal age and year of pregnancy end. No adjustment for this group of exposure.
|
Carman (Control unexposed, sick), 2017
|
retrospective cohort (claims database)
|
The ETN‐exposure was defined as having at least one administration or pharmacy dispensing during pregnancy. Provider‐administered drug exposures were identified using procedure codes for injections or infusions pharmacy dispensing claims.
|
Infant outcomes were identified using claims‐based procedure or ICD‐9 diagnosis codes for: Low Birth Weight; prematurity and malformations. Medical records of all Optum‐affiliated infants with MCM claims, and their mothers, were subsequently sought for expert adjudication of the claims.
|
No adjustment for this group of exposure.
|
Chambers, 2015
|
prospective cohort
|
Women were followed up with multiple telephone interviews and medical record review.
|
Women were followed up with multiple telephone interviews and medical record review. Development was evaluated with the Ages and Stages Questionnaire (ASQ)
|
Outcomes were compared using multivariable regression and survival methods.
|
De Lorenzo (Controls unexposed, disease free), 2020
|
retrospective cohort
|
Data were collected retrospectively during paediatric consultations.
|
Data were collected retrospectively during paediatric consultations.
|
None
|
De Lorenzo (Controls unexposed, sick), 2020
|
retrospective cohort
|
Data were collected retrospectively during paediatric consultations.
|
Data were collected retrospectively during paediatric consultations.
|
None
|
Drechsel, 2020
|
prospective cohort
|
Patients were asked to participate in a structured telephone interview about their pregnancies. Patients were contacted at the first notification of pregnancy.
|
By patient interview, data on pregnancy and outcomes were collected. Whenever complications, hospitalizations, child medical findings were reported, confirmation was obtained from the attending physicians or with the child a medical report.
|
None
|
Fu, 2019
|
randomized controlled trial
|
The patients were randomized assigned to the two arms of the study, by means of a computer-generated randomization number sequence.
|
All the patients were followed up during the pregnancy, and every 2 weeks, they underwent transvaginal ultrasound scans from the 4th through 12th GW to observe embryo or to diagnose miscarriage. All the babies born underwent a paediatric examination to exclude congenital malformations.
|
No adjustment. Randomisation.
|
Hoxha, 2017
|
prospective cohort
|
A form including information on biological agents exposure, the concomitant use of disease modifying antirheumatic drugs was filled out by the treating rheumatologist.
|
A form including information about the pregnancy and foetal outcomes was filled out by the treating rheumatologist collecting pregnancy complications, congenital malformation and vaccine adverse events. Children’s follow-up was performed through maternal reports during their outpatient follow-up.
|
None
|
Hyrich, 2006
|
retrospective cohort
|
The British Society for Rheumatology Biologics Register (BSRBR) database was searched for all reports of pregnancy. Details on exposure to disease-modifying antirheumatic drugs (DMARDs) and biologic drugs were collected using standardized forms.
|
The British Society for Rheumatology Biologics Register (BSRBR) database was searched for all reports of pregnancy. Details on maternal and fetal outcomes were collected using standardized forms.
|
None
|
Langen, 2014
|
retrospective cohort
|
Data were collected from review of medical records and included medication use.
|
Data were collected from review of medical records and included pregnancy outcomes.
|
None
|
Viktil (Controls exposed to other treatments), 2012
|
population based cohort propective
|
Prescriptions were recorded from 3 months prior to conception until labour from the Norwegian Prescription Database (NorPD).
|
The Medical Birth Registry of Norway (MBRN), a population based register that contains information about all births, including late abortion, from 12 weeks of gestation onwards.
|
None for this group of exposure. Singletons only.
|
Viktil (Controls unexposed, NOS), 2012
|
population based cohort propective
|
Prescriptions were recorded from 3 months prior to conception until labour from the Norwegian Prescription Database (NorPD).
|
The Medical Birth Registry of Norway (MBRN), a population based register that contains information about all births, including late abortion, from 12 weeks of gestation onwards.
|
None for this group of exposure. Singletons only.
|
Vinet (Unexposed controls, disease free), 2018
|
retrospective cohort
|
The MarketScan commercial database, a large prospective US database of >230 million subjects, containing drug prescription claims.
|
The MarketScan commercial database, a large prospective US database of >230 million subjects, containing data on hospitalizations and outpatient visits. Serious infections in the offspring was based on ≥1 hospitalization with infection within the first 12 months of life.
|
No matching for this group of exposure.
|
Vinet (Unexposed controls, sick), 2018
|
retrospective cohort
|
The MarketScan commercial database, a large prospective US database of >230 million subjects, containing drug prescription claims.
|
The MarketScan commercial database, a large prospective US database of >230 million subjects, containing data on hospitalizations and outpatient visits. Serious infections in the offspring was based on ≥1 hospitalization with infection within the first 12 months of life.
|
None
|
Weber-Schoendorfer, 2015
|
prospective cohort
|
Data were collected on exposure (including both prescription and over-thecounter) from structured telephone or face-to-face interviews and/or mailed questionnaires obtained from both the mother and/or her physician(s) after oral informed consent.
|
Data were collected on outcome from structured telephone or face-to-face interviews and/or mailed questionnaires obtained from both the mother and/or her physician(s) after oral informed consent. Blinded classification according EUROCAT.
|
No adjustment for this group of exposure.
|