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Expediting Pregnancy of Unknown Location Risk Stratification Using the ROM-Plus Point of Care Test
Sponsor: University of California, Davis
Summary
The goal of this study is to learn if the ROM-Plus bedside test can effectively triage patients who present with pregnancy of unknown location (PUL) and vaginal bleeding as high or low risk for ectopic pregnancy. The main question to answer is: Can the ROM-Plus bedside test effectively risk-stratify patients who present with PUL and vaginal bleeding as high or low risk for ectopic pregnancy after a single clinical encounter. Participants will have a vaginal swab collected at the time of presentation.
Key Details
Gender
FEMALE
Age Range
15 Years - Any
Study Type
OBSERVATIONAL
Enrollment
122
Start Date
2026-04-01
Completion Date
2028-10
Last Updated
2026-04-09
Healthy Volunteers
Yes
Conditions
Interventions
ROM-Plus bedside test
ROM-Plus is a bedside test that detects alpha-fetoprotein (AFP) and insulin-like growth factor binding protein 1 (IGFBP-1) in vaginal blood with a 95.7% sensitivity for confirming an IUP. This test also was found to have a specificity of 97% for identifying patients who had ectopic pregnancies in an exploratory comparative study in which those with an intrauterine pregnancy had a positive test and those with an ectopic (extrauterine) pregnancy had a negative test. However, this test has not been evaluated specifically in PUL patients. The test result will not be provided to the treating clinician/team and will not be used to make clinical decisions.