Life-saving Treatment With Dry-plasma for Massive Bleeding in an Pre-hospital Setting

NCT07012863 — Phase 4, Not yet recruiting, 650 participants, Vastra Gotaland Region

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Life-saving Treatment With Dry-plasma for Massive Bleeding in an Pre-hospital Setting - - a Randomized Controlled Study

RegistryNCT07012863
StatusNot yet recruiting
PhasePhase 4
Study typeInterventional; randomized, parallel, masking: double, treatment
Enrollment650 (Estimated)
SponsorVastra Gotaland Region (Other gov)
ConditionsBleeding, Aortic Rupture, Gastrointestinal Hemorrhage, Obstetric Bleeding, Blunt Injury, Penetrating Injury
InterventionsDry plasma (Biological)
Datesstart 2026-01-01 (estimated), primary completion 2027-06-30 (estimated), completion 2027-09-30 (estimated), first posted 2025-06-10, last updated 2025-09-17

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-Summary

The overall goal of this clinical trial is to study how prehospital transfused dry plasma affect outcomes in terms of mortality as well as complications and coagulation status of patients in or about to develop bleeding shock.

Researchers will compare dry plasma to standard care to see if dry plasma improves survival compared to crystalloid fluid in prehospital patients with heavy bleeding.

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+Detailed description

Major haemorrhage remains one of the leading causes of preventable early death after injury, and the window for effective intervention often closes in the pre-hospital phase. Contemporary European guidelines therefore advocate damage-control resuscitation: permissive hypotension, minimal crystalloid use and early infusion of blood components to avoid dilutional coagulopathy, acidosis and hypothermia. Several reports support that early resuscitation with blood products may save lives.

Freeze- or spray dried plasma containing coagulation factors having up to two years storage time and the possibility of storing ambient temperature, may be an alternative to crystalloids. The results regarding the beneficial results of treatment with plasma are ambiguous. In a previous randomized study using fresh plasma versus crystalloids, 9,8% reduced mortality was shown with resuscitation with plasma. Lower INR and lactate were also seen among the patients treated with plasma. In some studies no effect on mortality could be shown, but in other studies it is suggested that plasma may be beneficial in long transport time.

Acute traumatic coagulopathy can be seen in at least 25 % of severely injured patients who are admitted to a trauma centre. Dilution is often considered as a likely cause although the exact mechanisms and level of aggravation is unknown.

Most studies of prehospital bleeding refer to trauma, but also other causes of bleeding can be severe and even fatal, especially in countries with long distances, e.g. obstetric bleeding, gastrointestinal bleeding and vascular catastrophes.

Hypothesis. The hypothesis of this study is that prehospital treatment with dry plasma to bleeding patients improves the outcome compared to patients receiving standard treatment in terms of lower mortality, lower degree of coagulopathy and less need for blood products when in hospital.

Study aim. The aim of this study is to report outcome for patients receiving standard treatment for major prehospital bleeding compared to patients receiving standard care and to report clinical data for both groups.

+Arms and interventions

ArmTypeInterventionsDescription
Standard careNo interventionPatients randomized to this arm will get standard treatment within the ambulance service
Dry plasmaActive comparatorBiological: Dry plasmaPatients randomized to this arm will get dry plasma as treatment for the bleeding.
  • Dry plasma (Biological): Patient that fulfil the inclusion criteria for this study and are randomized for active treatment will get dry plasma as intervention.

+Outcome measures

Primary outcomes

  • Mortality [Within 24 hours after hospital admission.]: Overall mortality at 24 hours after hospital admission. Will include patients dead at scene or during transportation.

Secondary outcomes

  • Mortality for patients with bleeding > 500 mL (milliliter) [Within 24 hours after hospital admission]: Specific mortality for patients with a bleeding > 500mL at 24 hours after hospital admission. Will include patients dead at scene or during transport.
  • Shock Index [baseline, pre-intervention at scene]: Shock Index > 1.3.
  • Coagulopathy overall [Measured at hospital admission]: PK/INR > 1.2 and/or Platelet count < 150 x 109/L and/or APTT > 34 s or each valuable alone. INR= international normalized ratio PK= prothrombin complex. APTT= activated partial thromboplastin time.

+Eligibility

Sex: All, ages: 18 Years to any

Inclusion Criteria:

* Patients with clinical signs of bleeding which also triggers resuscitation with crisalloids acording to standard care protocol.

Exclusion Criteria:

* Patients < 18 years of age.
* Patients who lack clinical signs of major bleeding.

+Publications

  • Results publication: Skallsjo G, Wikman A, Wessman C, Sandstrom G. Prehospital Treatment With Dried Plasma in Patients With Major Bleeding-A Prospective Randomised Controlled Multicentre Trial: Statistical Analysis Protocol. Acta Anaesthesiol Scand. 2025 Oct;69(9):e70120. doi: 10.1111/aas.70120. PMID 40910602