Condition
Preeclampsia clinical trials and research
As of November 12, 2026, Find a Trial lists 65 Preeclampsia clinical trials that are recruiting, at sites in 31 countries (most in United States (27), Spain (6), Germany (3)). By phase: Phase 4 (6), Early Phase 1 (4), Phase 3 (3), Phase 2 (2). The most active sponsors are University of Iowa (3), University of Alabama at Birmingham (3), Ohio State University (3). There are also 103 NIH-funded research projects on Preeclampsia, with $57.9 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 65Clinical trials
- 103NIH research projects
- 31Countries
Newest Preeclampsia clinical trials
All recruiting trials (65)
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Predicting Adverse Pregnancy Outcomes in Uganda through Partnerships and Innovation
This study tests whether everyday health data, ultrasound, and blood samples from first-time pregnant women in Uganda can help predict problems like preeclampsia, fetal growth restriction, and preterm birth.
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Internal jugular vein collapsibility to gauge volume status in preeclampsia vs. normal pregnancy
This study tests whether ultrasound of the internal jugular vein can show differences in fluid status between preeclamptic pregnant people and those with normal blood pressure during planned cesarean delivery.
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Higher vs lower daily aspirin in high-risk pregnant people
This study tests whether taking 150 mg of aspirin daily is more effective than 75 mg daily in preventing preeclampsia among pregnant people at high risk.
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Community health worker support to lower blood pressure after pregnancy with high blood pressure
Postpartum patients with high blood pressure after pregnancy will try a program where a trained community health worker helps them monitor blood pressure and manage care for 6 months to see if it lowers blood pressure compared with usual care.
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Role of Progesterone Membrane Receptors in Preeclampsia
This study looks at whether the levels of progesterone membrane receptors in the placenta differ between women with preeclampsia and healthy pregnant women to understand the condition better.
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Endothelial Biomarkers in Pregnancy: Endothelial Extracellular Vesicles and Hypertensive Disorders
This study tests whether endothelial extracellular vesicles in the blood differ between normotensive pregnant women and those with hypertensive disorders of pregnancy.
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Antidepressant Therapy for Blood Vessel Health After Preeclampsia
This study tests whether an antidepressant can improve blood vessel health in women who had preeclampsia and may have depression.
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ASPIRE: Predicting Pregnancy Complications Using Blood and Eye Imaging
This study tests whether blood and eye imaging biomarkers can predict conditions like preeclampsia, fetal growth restriction, and gestational diabetes in first-time pregnant people carrying one baby.
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Vitamin D3 Regimens to See If They Lower Preeclampsia Risk
In pregnant women with vitamin D deficiency, this trial tests whether two different vitamin D3 dosing schedules can reduce the chance of developing preeclampsia.
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Mobile home BP monitoring with coaching after high blood pressure from pregnancy
This program tests whether a home blood pressure monitoring system plus virtual coaching can help midlife women, 10–20 years after a hypertensive pregnancy, manage high blood pressure better than usual care.
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Maternal insulin and fat metabolism in pregnancies at risk for preeclampsia and gestational diabetes
This project will try to see if insulin resistance and how the body burns fats early in pregnancy predict later preeclampsia or gestational diabetes in people at higher risk.
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Preeclampsia risk in early pregnancy and long-term heart health in women with type 1 diabetes
We’re testing whether a high estimated risk of preeclampsia in the first trimester is linked to hidden heart and blood vessel changes and future cardiovascular problems in women with type 1 diabetes.
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Progesterone to Prevent Preeclampsia in Early Pregnancy
This trial tests whether nightly vaginal progesterone started before 12 weeks can lower the chance of preeclampsia in low-risk pregnant people.
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Aspirin with or without low‑molecular‑weight heparin to prevent preeclampsia in high‑risk pregnancy
This trial tests whether adding low‑molecular‑weight heparin (tinzaparin) to low‑dose aspirin reduces the chance of preeclampsia in pregnant people identified as high risk in the first trimester.
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Blood markers (sFlt-1/PlGF, sEng, OPG) for diagnosing and monitoring preeclampsia
This study will test whether three blood markers—the sFlt-1/PlGF ratio, soluble endoglin (sEng), and osteoprotegerin (OPG)—can help diagnose and track preeclampsia in pregnant women between 20 and 36 weeks of gestation.
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CBP-4888 for hospitalized people with preterm preeclampsia
This study tests whether a single injection of CBP-4888 is safe and how it behaves in the body for hospitalized pregnant people with preterm preeclampsia, and follows their babies for up to 24 months.
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Using lung ultrasound to detect fluid overload in severe preeclampsia
This project will test whether bedside lung ultrasound can find and monitor fluid buildup (pulmonary edema) in people with severe preeclampsia.
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MitoQ to improve blood vessel function in preeclampsia
This will test whether MitoQ, a mitochondrial antioxidant pill, can improve blood vessel function and help prolong pregnancy in people with preeclampsia.
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Postpartum high blood pressure: trying enalapril after delivery
This study tests whether giving enalapril after delivery can help postpartum women with hypertensive disorders of pregnancy manage blood pressure.
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Mindfulness with wearables to help prevent high blood pressure problems in pregnancy
This study tests whether adding mindfulness training with wearable biosensors to standard prenatal care can help prevent hypertensive disorders in pregnant people at risk.
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Postpartum program to prevent cardiometabolic problems after preeclampsia
This study will test a 9-month app-based support program to lower blood pressure and help with weight loss in first-time mothers who recently had preeclampsia.
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Using angiogenic blood tests to guide delivery timing for term preeclampsia
This trial tests whether using an angiogenic blood test (sFlt-1/PlGF) to guide when to deliver can reduce inductions without causing more severe preeclampsia in people with preeclampsia without severe features at 36–38+6 weeks.
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MSC exosome treatment to repair blood vessel damage after preeclampsia
This study will see if IV infusions of mesenchymal stem cell–derived exosomes help repair damaged blood vessels in women who recently had preeclampsia.
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Postpartum Preeclampsia Care Using Point-of-Care Ultrasound and Diuretics
The study tests whether using bedside ultrasound to guide diuretic therapy can improve outcomes for adults with preeclampsia after delivery.
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Kidney and heart prevention program after preeclampsia
This program will see if follow-up care plus a biobank can help identify and manage long-term kidney and heart risks for women who had preeclampsia, HELLP, eclampsia, or pregnancy-related kidney disease.
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Hyperspectral imaging to predict preeclampsia risk
This study will test whether a non-contact camera method called hyperspectral imaging can spot early microcirculation changes and help predict which pregnant people will develop preeclampsia.
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Detecting blood vessel changes after preeclampsia with a non-invasive eye test.
We will test a new, non-invasive eye scan that looks at retinal blood vessels to find signs of blood vessel dysfunction in women who have had preeclampsia.
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Spironolactone to improve blood pressure after pregnancy-related hypertension
This trial will try taking spironolactone for three months after delivery to see if it lowers blood pressure and prevents heart changes in women who had preeclampsia or gestational hypertension and were overweight before pregnancy.
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Investigating the link between urinary tract infections and preeclampsia in pregnant women
This study is trying to see if having a urinary tract infection during pregnancy is linked to developing preeclampsia in pregnant women.
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Vagus nerve stimulation for mild preeclampsia
This trial will try vagus‑nerve stimulation physiotherapy (trigger point release and positional release) to help control blood pressure and inflammation in pregnant women with mild preeclampsia.
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Examining how assisted reproductive technologies affect pregnancy outcomes
This study is trying to see if different assisted reproductive technologies affect the health of pregnancies and if they are linked to risks like growth problems or stillbirth.
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Evaluating new ultrasound techniques for assessing placental health
This study is testing new ultrasound techniques to see if they can help tell the difference between healthy pregnancies and those with fetal growth issues.
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Understanding heart function in pregnant women with high blood pressure
This study looks at how high blood pressure affects heart function in pregnant women to see if personalized treatment can help improve their health and that of their babies.
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Study on how birth practices affect breastfeeding
This study looks at how different birth methods and conditions affect how long new moms can exclusively breastfeed their babies in the first three months after birth.
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Daily versus split-dose aspirin in high-risk pregnancies
This test compares taking aspirin 162 mg once daily versus 81 mg twice daily to see which dosing better prevents preeclampsia and preterm birth in people with high-risk singleton pregnancies who start aspirin before 16 weeks.
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Examining how aspirin metabolism relates to metabolic dysfunction in pregnant individuals at risk of preeclampsia
This study is trying to see how the way pregnant people process aspirin relates to their metabolic health and the health of their babies, especially for those at risk of preeclampsia.
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Effects of high-salt intake on women after preeclampsia
This study is testing how eating a lot of salt affects blood vessel health in women who had preeclampsia during pregnancy, to see if a medication can help improve their condition.
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Assessing cardiovascular health after preeclampsia
This study looks at the heart health of women who had preeclampsia during pregnancy to see if it affects their cardiovascular risks later on.
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Probiotic supplementation for pregnant women at high risk of preeclampsia
This study is testing whether a probiotic supplement can help pregnant women at high risk for preeclampsia feel better and lower their chances of developing the condition.
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Atorvastatin after pregnancy to lower future heart disease risk
This study will test whether taking atorvastatin for three months after stopping breastfeeding lowers future cardiovascular risk in people who had high blood pressure during pregnancy.
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Comparing two doses of aspirin to prevent pregnancy-related high blood pressure issues
This study is testing if a higher dose of aspirin can better prevent high blood pressure problems during pregnancy for women at risk.
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Removing excess sFlt-1 from mothers' blood to help preeclampsia
This project will collect blood from pregnant people with and without preeclampsia to see which patients might benefit from removing excess sFlt-1 from the blood.
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Screening and prevention of gestational hypertension and preeclampsia
This study is testing a new way to identify and manage pregnant women at high risk for preeclampsia to help prevent complications for both mothers and babies.
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Registry for women with preeclampsia and related conditions
This study is collecting health information from women with preeclampsia and related conditions to help researchers learn more about the causes and find better treatments for this serious pregnancy issue.
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Using ravulizumab to treat severe preeclampsia in pregnant women
This study is testing if the medication ravulizumab can help pregnant women with severe preeclampsia and HELLP syndrome feel better and stay safe.
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Monitoring therapeutic response during pregnancy for preeclampsia
This study is testing if blood samples from pregnant people at risk for preeclampsia can help us understand how well aspirin works in protecting both the mother and baby during pregnancy.
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Investigating the effects of dietary salicylates on preeclampsia
This study is trying to see if the amount of salicylates in food can affect the risk of developing preeclampsia in pregnant women.
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Molecular analysis of the maternal-fetal interface in preeclampsia
This study is trying to find specific markers in early pregnancy that could help identify women at risk for preeclampsia, using samples from those undergoing routine testing.
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Improving oral health during pregnancy to prevent complications
This study tests if treating gum disease in pregnant women can help their babies grow better and lower the chances of early delivery.
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Using Metformin to Extend Pregnancy in Women with Preterm Preeclampsia
This study is testing if the diabetes drug metformin can help women with preterm preeclampsia have longer pregnancies and healthier babies.
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Combining vascular tests to predict high blood pressure in pregnancy
We will try combining painless vascular tests with blood and urine checks in pregnant people to see if they can predict who will develop preeclampsia or other pregnancy high blood pressure.
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Improving heart disease prevention after a pregnancy with high blood pressure
We will test a patient decision aid to help women who had high blood pressure during pregnancy learn about and take steps to prevent heart disease after delivery.
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Evaluating placental markers in pregnant women with and without antiphospholipid syndrome
This study is trying to see if certain markers in the blood can help predict the risk of preeclampsia in pregnant women with antiphospholipid syndrome compared to those without it.
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Identifying factors that affect aspirin's effectiveness in preventing preeclampsia
This study is trying to find out why low-dose aspirin sometimes doesn't work to prevent preeclampsia in women who have had it before during their pregnancies.
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Lowering blood pressure in pregnant women with hypertensive disorders to prolong pregnancy
This study is testing if lowering blood pressure in pregnant women with high blood pressure can help them stay pregnant longer and improve outcomes for both mom and baby.
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Telemonitoring for high-risk pregnant women in Pakistan
A mobile phone app called Raabta will let pregnant women at high risk for preeclampsia in Karachi, Pakistan, regularly track blood pressure and share data with clinicians to see if this helps catch problems earlier.
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Effects of Prenatal Aspirin on Postpartum Vascular Health
This study tests if taking low-dose aspirin during pregnancy helps improve blood vessel health after giving birth in women who had preeclampsia compared to those with normal pregnancies.
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Evaluating microbiome and serum markers for preeclampsia screening in pregnant women
This study is testing if certain biological markers in pregnant women can help predict preeclampsia early on to improve health outcomes for mothers and babies.
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Combining Aspirin and Hydroxychloroquine for High-Risk Pregnancies to Prevent Preeclampsia
This study is testing if taking a combination of hydroxychloroquine and aspirin can help pregnant women at high risk for preeclampsia have healthier pregnancies compared to just taking aspirin alone.
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Predicting kidney disease risk after pre-eclampsia
This study is trying to see if women who had pre-eclampsia during pregnancy are at higher risk of developing kidney disease later on.
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Screening and planned delivery to prevent preeclampsia at term
This study is testing a new blood test to see if it can help predict preeclampsia in first-time pregnant women and if inducing labor early can lower the chances of complications for both mom and baby.
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Investigating exosome cargo in patients with preeclampsia
This study is testing how tiny particles from the placenta found in the blood of pregnant women might be linked to preeclampsia and heart changes to better understand this condition.
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Investigating immune and placental cell interactions in pregnancy complications
This study looks at how immune cells and placental cells work together during pregnancy to see if they play a role in complications like preeclampsia and gestational diabetes.
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Biobank for studying pregnancy complications like preeclampsia and preterm birth
This study collects samples and information from pregnant women to see if it can help identify the causes of complications like preeclampsia and preterm birth.
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Effects of high altitude on blood flow during pregnancy
This study is trying to see how living at high altitude affects blood flow in pregnant women and if it relates to complications like growth issues in babies and high blood pressure during pregnancy.
NIH-funded research (newest 40 of 103)
Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.
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Ethical, multimodal AI for predicting preeclampsia risk in early pregnancy
A data-driven AI tool uses early-pregnancy information from medical records, ultrasound, and notes to predict preeclampsia risk and support safer pregnancy care.
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Placental support cells and fetal red blood cell quality in preeclampsia
This grant studies how placental support cells in preeclampsia affect the development and quality of a baby’s red blood cells.
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Epigenetic clues to preeclampsia in pregnancy
This grant explores how epigenetic changes and paternal factors may contribute to preeclampsia, a condition that can affect pregnancy health.
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Environmental air pollutants linked to preeclampsia risk in pregnancy
This study looks at whether common air pollutants called PAHs increase the risk of preeclampsia during pregnancy.
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Dynamic risk prediction and subtyping of hypertensive disorders in pregnancy
A digital health approach uses AI to spot early warning signs of preeclampsia and gestational hypertension from pregnancy data, so clinicians can tailor care for pregnant people.
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Folate Receptor Beta and its Role in Preeclampsia
This study explores how a protein called folate receptor beta on placental immune cells may drive or worsen preeclampsia in pregnancy, with hopes of finding new ways to prevent or treat the condition.
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Understanding how genes and environment interact to cause preeclampsia and later high blood pressure in mothers
This project looks at why some pregnancies develop preeclampsia and how it relates to long-term blood pressure and heart health in mothers.
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Enhanced Diagnosis and Management of Preeclampsia with a High-Accuracy Wearable Blood Pressure Monitor
A new wearable blood pressure monitor called neoBP™ aims to give very accurate, real-time BP data to help manage preeclampsia in pregnant people.
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Multi-Omics study to improve postpartum health after preeclampsia
A multi-omics study at a major medical center aims to understand why some women who had preeclampsia have better or worse health outcomes after delivery, so doctors can tailor care.
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AI-powered low-cost ultrasound to detect high-risk pregnancy conditions
A new, affordable ultrasound AI system helps frontline workers identify pregnancy complications like high blood pressure, preeclampsia, and restricted fetal growth.
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Vaginal ecosystem clues to preeclampsia in early pregnancy
A large study will look at how the vaginal microbiome, metabolites, and immune signals in early pregnancy relate to later preeclampsia to help predict and prevent the condition.
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Placenta-driven developmental lung injury in babies exposed to preeclampsia
A doctor-scientist is studying how preeclampsia during pregnancy affects a baby’s lung development and how this may lead to breathing problems after birth.
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Cardiac benefits of mineralocorticoid receptor blocking after preeclampsia
This study tests whether blocking mineralocorticoid receptors can improve heart blood vessel function and heart remodeling in women who had preeclampsia and later developed high blood pressure.
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Understanding how the human placenta develops to prevent preeclampsia
A research project at a major university is exploring how the placenta forms and communicates at the cellular level to uncover ways to prevent preeclampsia.
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Early HFpEF after Preeclampsia: Exercise Stress Testing
A large study from Vanderbilt will look at how preeclampsia may set the stage for heart failure with preserved ejection fraction in women, using exercise testing and advanced heart measurements.
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Early double low-dose aspirin to help prevent preeclampsia and miscarriage
A large clinical trial tests whether starting a daily 162 mg aspirin as soon as pregnancy is detected can reduce both preeclampsia and pregnancy loss in early pregnancy.
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PAI-1 as a target to protect mothers’ blood vessels in preeclampsia
A study at Yale aims to see if blocking a molecule called PAI-1 can help protect a pregnant person’s blood vessels and reduce complications in preeclampsia.
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Children's long-term health after treating chronic hypertension in pregnancy
This grant studies how giving antihypertensive medicine during pregnancy for women with chronic high blood pressure affects their children’s health as they grow up.
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Maternal obesity, inflammation, and placental growth in preeclampsia
This grant studies how maternal obesity and inflammation in the placenta might lead to preeclampsia during pregnancy, with findings that could help prevent or manage the condition.
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ADAMTS13 in pregnancy-related blood disorder risk
This grant looks at how a blood-cleaving protein called ADAMTS13 may influence pregnancy-related conditions like preeclampsia and a rare illness called TTP, with potential to improve understanding and care for pregnant people with ADAMTS13 deficiency.
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Understanding how preeclampsia affects brain blood vessels and risk of stroke
This grant looks at why preeclampsia can damage the brain and increase the risk of stroke and cognitive problems later in life, with findings that could inform safer care for mothers and their children.
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Reducing chronic high blood pressure after preeclampsia to protect heart and vessels
A randomized trial tests whether more intensive blood pressure control in the weeks after giving birth can lower long-term high blood pressure and improve blood vessel health in women who had a hypertensive pregnancy.
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Gestational hypertension and preeclampsia: better blood pressure targets before delivery
This study tests whether keeping blood pressure under 140/90 mmHg (instead of 160/110) during pregnancy with high blood pressure improves outcomes for mothers and babies.
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Enalapril to protect heart health after preeclampsia
A small study will test whether enalapril can help protect the heart and blood vessels of women after preeclampsia.
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Leptin and preeclampsia: how fat signals affect mom and baby
This grant studies whether high leptin levels help drive high blood pressure and baby growth problems in preeclampsia, using a mouse model and human data.
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Maternal blood proteins linked to preeclampsia and later heart disease
A study will look at proteins in a pregnant person’s blood to understand why preeclampsia happens and how it may raise the risk of heart disease later in life.
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Detection of placental blood flow patterns to spot preeclampsia and fetal growth issues
A non-invasive ultrasound method analyzes maternal and fetal blood flow to help detect risk of preeclampsia and fetal growth restriction in pregnancy.
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Stem cell models to understand placental problems in early-onset preeclampsia
This project uses stem cells to recreate placental cells so researchers can learn how early-onset preeclampsia starts and how supporting cells affect it for pregnant people.
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Treating preeclampsia by targeting protein buildup and faulty cell cleanup (autophagy)
This project looks at whether trehalose-like sugars can restore cells' cleanup systems and reduce toxic protein clumps that contribute to preeclampsia in pregnant people.
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Hypoxia-responsive lipid nanoparticles to balance placental factors in preeclampsia
Aims to use tiny, targeted particles that release messages to the placenta to help restore healthy blood vessel growth in pregnancies affected by preeclampsia.
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Extracellular Vesicles and Kidney Damage in Preeclampsia
A study to understand how placental particles in the blood may harm the kidneys of pregnant people with preeclampsia.
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Molecular profiling of preeclampsia risk with cell-free DNA in pregnancy
A blood test using DNA from a pregnant person’s blood looks for signs that could predict preeclampsia early in pregnancy.
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Why blood pressure can stay high after preeclampsia
This work looks at how immune cells and tiny blood vessel changes may cause long-lasting high blood pressure in women after preeclampsia.
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Understanding causal factors of preeclampsia using genetic data
This grant looks at how genes may contribute to preeclampsia in pregnant women, with a focus on African American women and the risk of high blood pressure-related pregnancy complications.
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Understanding blood vessel and inflammation changes that affect the heart after preeclampsia
This work looks for lasting signs of inflammation and blood vessel damage in women 2–10 years after preeclampsia and links those signs to subtle heart changes.
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Investigating the link between fatty liver disease and preeclampsia risk in pregnant women
This study is looking at how nonalcoholic fatty liver disease might increase the chances of developing preeclampsia in overweight and obese pregnant women, with the goal of finding ways to keep moms and babies healthier during pregnancy.
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Lab-grown placental tissue to understand preeclampsia
This project will make miniature lab-grown placentas from donated cells to better understand what causes preeclampsia in pregnant people.
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Preeclampsia's link to small blood vessel changes in the midlife brain
This project looks at whether women who had preeclampsia during pregnancy show early small-vessel changes in the brain and related thinking differences in midlife.
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ApoE-Tau link in preeclampsia and later brain disease
This project looks at how preeclampsia in pregnancy might connect to Alzheimer’s-related problems later in life, by studying the ApoE and Tau pathways in humans and animal models.
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Vaginal ecosystem links to preeclampsia
Looking at early-pregnancy vaginal microbes, immune signals, and metabolites to find links to later preeclampsia in pregnant people.
Related topics
Quick answers
How many Preeclampsia clinical trials are recruiting right now?
65, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 31 countries. The most sites are in United States (27 trials), Spain (6 trials), Germany (3 trials), Sweden (3 trials), Pakistan (3 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 6, Early Phase 1: 4, Phase 3: 3, Phase 2: 2. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.