Study type

Study topic

Human medicinal product

Study type

Non-interventional study

Scope of the study

Safety study (incl. comparative)

Data collection methods

Secondary use of data
Study drug and medical condition

Name of medicine

VELSIPITY

Name of medicine, other

Etrasimod

Study drug International non-proprietary name (INN) or common name

ETRASIMOD

Anatomical Therapeutic Chemical (ATC) code

(L04AE05) etrasimod
etrasimod
Population studied

Short description of the study population

The study population will include two cohorts of pregnant individuals: one cohort of individuals with a diagnosis of moderate-to-severe UC who are exposed to etrasimod at any time during pregnancy and one cohort of individuals with a diagnosis of moderate-to-severe UC who are not exposed to etrasimod during pregnancy.
To be eligible to participate, a patient must be: A resident of the US or Canada, currently pregnant, 15 to 50 years of age at enrollment, and have a diagnosis of an inflammatory bowel disease.

Special population of interest

Pregnant women
Study design details

Study design

This observational cohort study aims to estimate the prevalence of maternal, fetal, and infant outcomes among individuals with moderate-to-severe UC who are exposed to etrasimod during pregnancy.

Main study objective

The primary objective of the study is to estimate the prevalence of major congenital malformations (MCMs) among individuals with moderate-to-severe UC who are exposed to etrasimod during pregnancy.
The secondary objectives of the study are:
• To estimate the prevalence of other maternal, fetal, and infant outcomes among pregnant individuals with moderate-to-severe UC who are exposed to etrasimod during pregnancy.
• To contextualize the prevalence of outcomes among pregnant individuals who are exposed to etrasimod during pregnancy, estimate the prevalence of all outcomes of interest among pregnant individuals with moderate-to-severe UC who are not exposed to etrasimod during pregnancy.
• If sample size permits, to estimate risk ratio (RR) for each study outcome comparing the outcomes of pregnant individuals with moderate-to-severe UC who are exposed to etrasimod with those who are not exposed to etrasimod.

Setting

The study will use secondary data collected for the CorEvitas Inflammatory Bowel Disease Pregnancy Registry (IBD-PR), a prospective pregnancy registry based in the US and Canada.
The IBD-PR enrolls pregnant individuals diagnosed with inflammatory bowel diseases, including UC, Crohn’s disease, other and unspecified non-infective gastroenteritis and colitis, or indeterminate colitis.
For this study, participants who are enrolled in the IBD-PR and exposed to etrasimod during pregnancy are eligible for inclusion in the enrolled population, regardless of their IBD diagnosis or severity; however, the analysis population will be limited to those participants who have a diagnosis of moderate-to-severe UC.

Comparators

A cohort of individuals with a diagnosis of moderate-to-severe UC who are not exposed to etrasimod during pregnancy.

Outcomes

The primary outcome of interest is Major congenital malformations (MCMs). The maternal and pregnancy secondary outcomes include minor congenital malformations, pre-eclampsia, eclampsia, spontaneous abortions (SABs), stillbirths, pregnancy terminations, preterm births, small for gestational age, gestational diabetes, pregnancy-induced hypertension, and placental abruption.
The infant secondary outcomes during the first year of life include postnatal growth deficiency, infant developmental delay, infant hospitalization, infant infections (both serious and non-serious), and infant death.

Data analysis plan

Participant characteristics will be summarized with descriptive statistics for each cohort. Comparative analyses will be conducted for each outcome if sample size permits.
Supplementary analyses will be conducted that include pregnant individuals who were excluded from the analysis population.
If sample size permits, subgroup and sensitivity analyses will be performed to examine the extent to which changes in certain methods or assumptions affect the results.