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Clinical trials and research at Hospital General Universitario Gregorio Marañon

• 13Clinical trials
• 2Countries

Newest trials

All recruiting trials (13)

• Masseter and Thigh Muscle Ultrasound to Predict Dysphagia and Sarcopenia in Critically Ill Adults

  This study tests whether measuring the masseter muscle with ultrasound can help identify dysphagia in adults after critical illness and extubation, alongside evaluation of sarcopenia.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT07787312

• Automated Passive Case-Finding for Advanced Liver Fibrosis in MASLD

  This program automatically screens high‑risk adults aged 50–75 in primary care to see if they have advanced liver fibrosis and possible MASLD, using routine blood tests and reflex lab tests without extra work for clinicians.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT07658755

• Arbaclofen for Autism Spectrum Disorders: a crossover and open-label study in children and adolescents

  This study tests arbaclofen versus placebo in children and teens with autism to see if the drug affects brain metrics and improves social, adaptive, and quality-of-life outcomes.

  Recruiting at 5 sites Phase 3 Hospital General Universitario Gregorio Marañon · Paris and 4 other locations · NCT07655115

• Estimating Platelet Counts with ROTEM PLTEM in Laboring Women with Low Platelets or Heavy Bleeding

  This study tests whether the PLTEM value from ROTEM sigma testing can quickly estimate platelet count in pregnant women with low platelets or severe postpartum hemorrhage to help decisions about anesthesia and transfusions.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid · NCT07616349

• BMPR2-Activin signaling in pulmonary hypertension from left heart disease

  This project will test whether changes in the BMPR2-activin pathway drive lung vessel disease in people with heart failure and pulmonary hypertension by following 150 patients for one year.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT07537517

• When epidural pain relief doesn't work during labor

  It will follow people aged 18 and older who request epidural pain relief during labor to see how often the epidural doesn't provide adequate pain control and which factors predict failure.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid and 1 other locations · NCT07473609

• Oxygen or low-pressure CPAP applied to the non-ventilated lung during lung resection

  It tests whether giving oxygen or low-pressure CPAP to the non-ventilated lung during scheduled lung resection can reduce inflammation and postoperative complications in adults.

  Recruiting Phase 4 Hospital General Universitario Gregorio Marañon · Madrid · NCT07461779

• Using vasopressin as a second vasopressor in adult septic shock patients

  This observational project will see if starting vasopressin earlier, based on the norepinephrine dose, helps adults in ICUs with septic shock.

  Recruiting at 12 sites Hospital General Universitario Gregorio Marañon · Terrassa, BARCELONA and 11 other locations · NCT07255378

• Cilastatin versus thiosulfate for protecting kidneys during ovarian cancer debulking with cisplatin HIPEC

  This trial tests whether cilastatin works as well as thiosulfate at protecting the kidneys in adult women having debulking surgery with intraoperative cisplatin HIPEC.

  Recruiting Phase 2 Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT07229040

• Low-dose colchicine to prevent heart problems in people with moderate chronic kidney disease

  This trial will test whether taking low-dose colchicine reduces future cardiovascular events in adults with moderate chronic kidney disease who have had prior heart or vascular problems.

  Recruiting Phase 3 Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT06998862

• Cell therapy using thymic Treg cells to manage immune response in COVID-19 and ARDS

  This study is testing whether a new type of immune cell therapy can help people with severe COVID-19 and ARDS by calming down their overactive immune response.

  Recruiting Phase 1/2 Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT06052436

• Using thymic-derived Treg cells to prevent heart transplant rejection in children

  This study is testing if using special immune cells from the thymus can help prevent heart transplant rejection in young children.

  Recruiting Phase 1/2 Hospital General Universitario Gregorio Marañon · Madrid, Madrid · NCT04924491

• International registry for pediatric in-hospital cardiac arrest outcomes

  This study is creating a global registry to track the outcomes of children who have cardiac arrests in hospitals, to see how well they survive and recover after treatment.

  Recruiting Hospital General Universitario Gregorio Marañon · Madrid · NCT04675918

Quick answers

How many clinical trials run by Hospital General Universitario Gregorio Marañon are recruiting right now?

13, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 2 countries. The most sites are in Spain (13 trials), France (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 2, Phase 1/2: 2, Phase 4: 1, Phase 2: 1. 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

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