Could a blood clot in the lungs be treated at home? new study investigates
NCT ID NCT07506291
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether people with a moderate-risk blood clot in the lungs can be safely treated at home instead of staying in the hospital. About 568 adults will be randomly assigned to either go home early or receive standard hospital care. The goal is to see if home treatment is just as safe and improves quality of life.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 568 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2029
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Presentation to the Emergency Department or unscheduled consultation in one of the participating centers * Symptomatic PE objectively confirmed according to the European Society of Cardiology criteria 4 (either by i) a high-probability ventilation/perfusion lung scan, ii) a new contrast filling defect on spiral computed tomography, or iii) a new documentation by ultrasonography of a proximal DVT, i.e., thrombus in the popliteal vein or above, along with clinical signs of PE. All radiological tests used to diagnose PE will be interpreted by on-site radiologists or angiologists) * No clinical criteria mandating hospitalization according to the Hestia rule, i.e., negative Hestia rule * Right ventricular dysfunction - defined as a right ventricular (RV) to left ventricular (LV) diameter ratio \> 1.0 on echocardiography (apical four-chamber or subcostal four-chamber view) or on CTPA (transverse plane) OR High-sensibility cardiac troponin I or T concentration above the upper limit of local normal value * Insurance cover according to local legislation * Age ≥18 years * Signed free informed consent (or oral consent if possible according to local regulation). Exclusion Criteria: * Shock or hypotension (defined as systolic blood pressure \<90 mmHg or a systolic pressure drop by ≥40 mmHg, for \>15 minutes, if not caused by new-onset arrhythmia, hypovolemia, or sepsis) * Combined right ventricular dysfunction (RV/LV \> 1.0 on imaging) AND troponin concentration above the upper limit of local normal value * Free floating thrombi in the right atrium or ventricle, if identified by routine echocardiography or CTPA * Active cancer other than basal or squamous-cell skin cancer defined at least with one of the following: i) cancer diagnosed within the last 6 months, ii) current anti-cancer treatment or during the 6 months before enrollment, iii) locally advanced or metastatic cancer * PE diagnosis established since more than 24 hours * 48 hours or more elapsed between ED presentation and potential inclusion or other reason making home discharge impossible within the 48 hours since ED presentation * Limited life expectancy or any other reason making 3-month follow-up impossible * Pregnant or parturient patient * Patient in detention by judicial or administrative decision, under a legal protection measure or undergoing compulsory psychiatric treatment
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
18 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Angers University Hospital, Emergency Department
Angers, 49000, France
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Argenteuil hospital, Emergency department
Argenteuil, 95100, France
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Brest University Hospital (site Cavale Blanche), Cardiology Department
Brest, 29200, France
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Cholet Hospital, Emergency department
Cholet, 49300, France
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Clermont-Ferrand University Hospital, Emergency department
Clermont-Ferrand, 63000, France
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Grenoble University Hospital, Emergency Department
Grenoble, 38000, France
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Le Mans Hospital, Emergency department
Le Mans, 72000, France
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Lyon University Hospital (site Edouard Herriot), Emergency Department
Lyon, 69003, France
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Lyon University Hospital (site Lyon Sud), Emergency department
Pierre-Bénite, 69495, France
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Nantes University Hospital, Emergency department
Nantes, 44000, France
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Paris University Hospital (APHP - site HEGP), Emergency Department
Paris, 75015, France
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Paris University Hospital (APHP - site La Pitié-Salpétrière Hospital), Emergency Department
Paris, 75013, France
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Paris University Hospital (APHP - site Lariboisière hospital), emergency department
Paris, 75010, France
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Paris University Hospital (APHP - site Louis Mourier), Emergency Department
Colombes, France
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Paris University Hospital (APHP, site Hôpital Européen Georges Pompidou), Pneumology department
Paris, France
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Poitiers University Hospital, Emergency Department
Poitiers, 86000, France
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Rouen University Hospital, Emergency Department
Rouen, 76000, France
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Toulouse University Hospital, Emergency Department
Toulouse, 31000, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a new Five-Category system predict which pulmonary embolism patients will crash?
- Can a new device suck out deadly lung clots?
- Blood test ratio may speed up detection of dangerous lung clots
- Blood test may spot hidden heart danger in lung clots
- Quick ultrasound may spot High-Risk PE patients in the ER
- 10,000 blood clot patients enrolled in massive Real-World treatment registry