Ancillary Studies

Current ancillary studies: 

  • Estimate cognition and compare the associations of protective factors with cognition between Puerto Ricans living PR and the States (PI: Dr. Mayra Estrella, Rush University Medical Center, Chicago, Illinois)
  • Quantifying exposure to acute stressors, negative emotions, dysfunctional eating behaviors and T2D risk: a pilot ecological momentary assessment study among adults in Puerto Rico (PI: Dr. Andrea Lopez-Cepero, Emory University)
  • Social Stressors, Epigenetics and Health Status in Underrepresented minorities (PI: Dr. Jose Ordovas, Tufts University)
  • Mixed methods research to adapt a gender scale and examine associations with health behaviors and health service (PI: Dr. Sigrid Mendoza, FDI Clinical Research, Puerto Rico)

Previous ancillary studies: 

  • Mixed-methods study on food and water access, social support, and stress responses after natural disasters
  • Seroprevalence of vector-borne diseases in partnership with the PR branch of the Center for Disease Control and Prevention

  • Mixed-methods project to assess food insecurity, access to food and healthcare, and glycemic control during the COVID-19 pandemic in participants with diabetes

  • Pilot program to improve access to healthy foods, food security, and cardiometabolic health by providing foods from local farmers to participants with food insecurity

Partner studies: 

Opportunities to collaborate: 

PROSPECT welcomes and encourages derived data requests and ancillary study proposals that address new research questions. The information below is intended for potential investigators. Investigators are invited to either work independently or in collaboration with the study PIs.   

  • All proposals are subject to approval by the study PIs pending review for feasibility and potential overlap with existing proposals
  • Proposals should include rationale, objectives and aimsvariables needed, and analytic plans  
  • If requesting DATA onlyapplicants must complete a Data Use Agreement form, provided upon approval
  • If requesting DATA and BIOSAMPLESapplicants must complete Data Use and Materials Distribution Agreement form, provided upon approval. Due to the finite nature of stored samples, requests for samples must undergo additional scrutiny   
  • Proposals intending to engage active PROSPECT participants will need to provide separate funding for all necessary resources 
  • Proposals resulting in additional participant burden must receive IRB approval 

If you are interested in submitting a proposal, please review the outcomes measures here and complete the proposal form available here.  For more information, please contact the study PI, Dr. Josiemer Mattei, at and the Post-doctoral Research Analyst, Dr. Martha Tamez at registration: NCT03794531