For Participants

Study: Infant Vaccine Biorepository  

Nickname: IVB 

In this study, infants from all over the US contribute to science by providing a home-collected (tiny) blood sample. 

180 enrolled to date 

   

Funding: BIDMC Hub Spark Grant, Massachusetts Consortium for Pathogen Readiness (MassCPR), Harvard University William F. Milton Fund 

 

Study: Immune profiling in healthy and complicated pregnancies 

Nickname: Treg 

Pregnant participants donate blood samples and placenta cord blood, human milk and other samples throughout pregnancy and postpartum to study the immune system changes in pregnancy. 

184/300 enrolled to date (12/10/25) 

Funding: NIH/NICHD, Burroughs Wellcome Fund, American Association of Obstetricians and Gynecologists Foundation (AAOGF), OBGYN Philanthropic support 

 

Study: COVID-19 and other Respiratory Pathogen Biorepository 

Nickname: COVID-19 Biorepository 

Comment: Pregnant, lactating, and non-pregnant participants contribute blood and other optional samples to better understand diagnosis, treatment, and prevention of COVID-19, influenza, respiratory syncytial virus (RSV), and other respiratory pathogens 

Graphic: 1107 enrolled total/409 pregnant or lactating 

Funding: NIH/NIAID, Massachusetts Consortium for Pathogen Readiness (MassCPR), Harvard University William F. Milton Fund 

 

Study: First trimester uterine decidua biorepository 

Nickname: CVS study 

Pregnant participants undergoing a chorionic villus sampling procedure donate left-over tissue from the procedure to study the early uterine immune changes in pregnancy that might predict preeclampsia 

124 enrolled to date (12/10/25) 

Funding: NIH/NICHD, Burroughs Wellcome Fund, American Association of Obstetricians and Gynecologists Foundation (AAOGF), OBGYN Dept Philanthropic support 

 

Study: Understanding Motivations for Participating in Vaccine Clinical Research 

Nickname: Clinical Trial Motivations 

Comment: Pregnant and non-pregnant participants in our previous observational and interventional trials answer an anonymous survey for us to better understand participant motivations for participating in research 

229 enrolled total 

46 pregnant or lactating 

18 with medical immunosuppression 

Funding: OBGYN Philanthropic support 

 

Study: (No longer enrolling) Evidence-based cesarean for patients with obesity undergoing cesarean delivery NCT03651076 

Nickname: Traxi study 

Comment: Randomized clinical trial to study surgical outcomes, patient reported and provider-reported outcomes with use of traxi device 

No longer enrolling; stay tuned for final study publication 

Funding: none, device donation by Laborie