New drug aims to stop bleeding in emergency surgeries for blood thinner users
NCT ID NCT07288489
First seen Jun 27, 2026 · Last updated Aug 21, 2026 · Updated 1 time
Summary
This Phase 3 trial tests whether a single dose of VMX-C001 can control bleeding better than usual care in 800 patients on blood thinners who need urgent high-risk surgery. Participants receive either VMX-C001 or standard treatment before their procedure, and experts will rate bleeding control during surgery. Follow-up continues for about 28 days after the procedure.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- VMX-C001
- What this could lead to
- If it works, this could provide a reliable way to reverse blood thinners quickly during emergency surgeries, reducing bleeding risks.
- What could go wrong
- This is an early Phase 3 trial with 800 participants, so results may not apply to all patients. The treatment may not work better than usual care, and there is a risk of clotting or allergic reactions.
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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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 800 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2026
- Expected to finish
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Jan 2031
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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: 1. Male or female patient aged ≥18 years. 2. The patient or legally authorised representative (LAR) has given written informed consent. 3. The patient requires urgent surgery/procedure for which the risk of bleeding is considered high and for which haemostasis is considered necessary. 4. The patient has a significant FXa DOAC level at the time of procedure. 5. The patient would require treatment (usual pharmacological care) to restore coagulation for the required procedure. 6. The patient must be willing to use appropriate contraception. Exclusion Criteria: 1. The patient is known for any reason, other than administration of a FXa DOAC, to have an increased risk of bleeding compared to a patient in a similar clinical situation. 2. The patient has received any non FXa DOAC anticoagulants within 7 days of Screening or has received heparin (UFH or LMWH) within 3 days of Screening. 3. The patient has received any of the prespecified medications not allowed in the 7 days prior to Randomisation. 4. The patient was treated with an investigational drug \<30 days or 5 half-lives, whichever is longer, prior to Screening. 5. Expected survival, in the Investigator's judgement, is \<3 months due to comorbidity. 6. Patients in whom the Investigator considers it is not possible to estimate the expected blood loss. 7. Known "Do Not Resuscitate" order or similar advanced directive. 8. Cardiogenic shock at the time of screening unless related to the need for the required procedure. 9. The patient has sepsis (including severe sepsis or septic shock) at the time of screening. 10. The patient is pregnant or a lactating female. 11. Known hypersensitivity to any component of VMX-C001 or hamster proteins. 12. Patients who, in the opinion of the Investigator, should not participate in the study for any other reason, or inability to comply with the protocol. 13. Prior exposure to VMX-C001.
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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
37 sites in 7 countries. 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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Alfred Health, Melbourne
RECRUITINGMelbourne, Victoria, 3004, Australia
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Aotearoa Clinical Trials - Middlemore (ACTT) Middlemore Hospital
RECRUITINGPapatoetoe, Auckland, 2025, New Zealand
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Auckland City Hospital
RECRUITINGGrafton, Auckand, 1023, New Zealand
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Beaumont Hospital, Royal Oak
NOT_YET_RECRUITINGRoyal Oak, Michigan, 48073, United States
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CHU de Saint-Etienne - Hopital Bellevue
RECRUITINGSaint Priest En Jarez, Pays de la Loire Region, 42270, France
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Chandler Regional Medical Center (CRMC)
NOT_YET_RECRUITINGChandler, Arizona, 85224, United States
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Christiana Care
NOT_YET_RECRUITINGNewark, Delaware, 19718, United States
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Denver Metro Orthopedics, P.C. - Englewood Location
NOT_YET_RECRUITINGEnglewood, Colorado, 80113, United States
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Duke University Medical Center
NOT_YET_RECRUITINGDurham, North Carolina, 27710, United States
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Fiona Stanley Hospital
NOT_YET_RECRUITINGMurdoch, Western Australia, 6150, Australia
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Fukuoka Neurosurgical Hospital
RECRUITINGFukuoka-Shi, Fukuoka, 811-1313, Japan
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Gloucestershire Hospitals NHS Foundation Trust - Gloucestershire Royal Hospital
RECRUITINGGloucester, Gloucestershire, GL1 3NN, United Kingdom
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Gold Coast University Hospital
RECRUITINGSouthport, Queensland, 4215, Australia
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Guys and St Thomas NHS Foundation Trust - St Thomas Hospital
RECRUITINGLondon, London, SE1 7EH, United Kingdom
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HonorHealth John C Lincoln Medical Center
RECRUITINGPhoenix, Arizona, 85020, United States
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Japanese Red Cross Kumamoto Hospital
RECRUITINGKumamoto-shi, Kumamoto, 861-8520, Japan
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Kings College Hospital NHS Foundation Trust
RECRUITINGLondon, SE5 9RS, United Kingdom
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Massachusetts General Hospital
NOT_YET_RECRUITINGBoston, Massachusetts, 02114, United States
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Mater Private Hospital
RECRUITINGSouth Brisbane, Queensland, 4101, Australia
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Medical Center of the Rockies
NOT_YET_RECRUITINGFort Collins, Colorado, 80523, United States
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Memorial Hermann Hospital-TMC Investigational Drugs Services Pharmacy
RECRUITINGHouston, Texas, 77030, United States
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Multiprofile Hospital for Active Treatment AD Haskovo
RECRUITINGHaskovo, 6304, Bulgaria
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Multiprofile Hospital for Active Treatment Heart and Brain EAD
RECRUITINGPleven, Pleven, 5800, Bulgaria
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Multiprofile Hospital for Active Treatment Hristo Botev
RECRUITINGVratsa, 3000, Bulgaria
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Royal Brisbane and Women's Hospital (RBWH)
NOT_YET_RECRUITINGHerston, Queensland, 4006, Australia
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St Vincent Hospital, Melbourne
NOT_YET_RECRUITINGFitzroy, Victoria, 3065, Australia
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St. Joseph's Hospital and Medical Center
NOT_YET_RECRUITINGPhoenix, Arizona, 85013, United States
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Stanford Hospital and Clinics
NOT_YET_RECRUITINGStanford, California, 94305, United States
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Texas Tech University Health Sciences Center - El Paso
NOT_YET_RECRUITINGEl Paso, Texas, 79905, United States
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The University of Oklahoma Health Sciences Center
NOT_YET_RECRUITINGOklahoma City, Oklahoma, 73126, United States
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The University of Texas McGovern Medical School at Houston
NOT_YET_RECRUITINGHouston, Texas, 77030, United States
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UMBAL Kanev AD
RECRUITINGRousse, 7002, Bulgaria
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University of Iowa Health Care
NOT_YET_RECRUITINGIowa City, Iowa, 52242, United States
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University of South Florida
RECRUITINGTampa, Florida, 33606, United States
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Waikato Hospital
RECRUITINGHamilton, Waikato Region, 3204, New Zealand
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Wellington Hospital
NOT_YET_RECRUITINGNewtown, Wellington Region, 6021, New Zealand
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William Beaumont Hospital - Troy Campus
NOT_YET_RECRUITINGTroy, Michigan, 48085, United States
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Other studies related to the condition(s) this trial covers.
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- Iron boost before heart surgery may cut need for donor blood
- Can a Lab-Made clotting factor outsmart blood thinners?
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- Which drug cuts C-Section bleeding best? tranexamic acid vs misoprostol put to the test