BleedingPhase 4NCT02557672
PCC vs. FFP for Post Cardiopulmonary Bypass Coagulopathy and Bleeding
A Phase 4 study testing Prothrombin complex concentrate (Human) and Fresh frozen plasma (FFP) in people with Bleeding and Blood Loss, Surgical, run by Mayo Clinic at 1 site in United States.
Trial summary
This will be the first prospective randomized controlled clinical trial directly comparing Prothrombin Complex Concentrate (PCC) Compared to Fresh Frozen Plasma (FFP) for post cardiopulmonary bypass microvascular bleeding and factor-mediated coagulopathy. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Bleeding, Blood Loss, Surgical, Cardiovascular Surgical Procedures
- What is being tested?
- Prothrombin complex concentrate (Human) and Fresh frozen plasma (FFP)
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 106 participants
- Where
- 1 siteUnited States
- Study dates
- Aug 2016to Jan 2022
- Phase
- Phase 4
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- All subjects accepted for this study must:
- Be 18 years of age
- Be undergoing elective cardiac surgical procedure utilizing cardiopulmonary bypass
- Have evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team in addition to a PT >16.6 sec or INR >1.6 sec.
Who cannot join
- Subjects who have one or more of the following will be excluded from the study:
- Are unable to grant informed consent or comply with study procedure
- History of hypercoagulable condition (e.g. Factor V Leiden, AT-3 deficiency, Prothrombin gene mutation, Anti-phospholipid antibody syndrome, etc) or previous unprovoked thromboembolic complications
- Coagulopathic conditions such as factor deficiencies, factor inhibitors, heparin induced thrombocytopenia, or use of intravenous anticoagulants other than heparin at the time of cardiovascular surgery
- Thromboembolic event within past 3 months
- Received oral therapy with clopidogrel, prasugrel, rivaroxaban or dabigatran within the past 5 days
Show all 13Show fewer
- Patients taking chronic warfarin therapy who have not discontinued treatment and demonstrated an INR <1.3 prior to surgery
- Fibrinogen level <150 mg/dL on initial post cardiopulmonary bypass labs
- Antithrombin 3 level < 80% control (preoperative)
- Are undergoing emergency open heart-surgery
- Cardiopulmonary bypass time is expected to be < 30 minutes
- Age < 18 years of age
- Are pregnant
Trial locations and contacts
1 site in 1 country.
United States1 site
Mayo Clinic in Rochester
Rochester, Minnesota, 55905
About this study
Official title: Prothrombin Complex Concentrate (PCC) Compared to Fresh Frozen Plasma (FFP) for Post-cardiopulmonary Bypass Coagulopathy and Bleeding, a Prospective Randomized Trial at Large US Medical Center.
This will be the first prospective randomized controlled clinical trial directly comparing Prothrombin Complex Concentrate (PCC) Compared to Fresh Frozen Plasma (FFP) for post cardiopulmonary bypass microvascular bleeding and factor-mediated coagulopathy. Is there a difference in bleeding and transfusion requirements in patients received PCC versus FFP?
- Conditions
- Bleeding, Blood Loss, Surgical, Cardiovascular Surgical Procedures, Prothrombin Complex Concentrates, Fresh Frozen Plasma
- Being tested
- Prothrombin complex concentrate (Human), Fresh frozen plasma (FFP)
- Medical subject headings
- Hemorrhage, Blood Loss, Surgical
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Prothrombin complex concentrate (Human)Drug
Also called Kcentra
PCC (Kcentra)
Fresh frozen plasma (FFP)Biological
FFP
| Study group | Role | What they receive |
|---|---|---|
| Fresh frozen plasma | Active comparator | After cardiopulmonary bypass, patients will receive protamine at dose 0.01 mg/unit of heparin given with target activated clotting time (ACT) within 10% of baseline value. After protamine administration the ACT, complete blood count (CBC), prothrombin time (PT)/ international normalized ratio (INR), activated partial thromboplastin time (APTT), and fibrinogen, will be collected via preexisting arterial access. If ACT >10% baseline additional protamine will be given at the anesthesiologists discretion. Evaluation and determination of excessive microvascular bleeding in the surgical field will occur 10 minutes after return of ACT to within 10% of baseline. Patients with clinical evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team, along with a PT >16.6 sec/ INR >1.6 sec will receive fresh frozen plasma as this is standard therapy per our institutional algorithm at a dose of 10-15 mL/kg rounded up to the nearest unit. Receives: Biological: Fresh frozen plasma (FFP) |
| Prothrombin complex concentrate | Experimental | After cardiopulmonary bypass, patients will receive protamine at dose 0.01 mg/unit of heparin given with target ACT within 10% of baseline value. After protamine administration the ACT, CBC, PT/ INR, APTT, and fibrinogen, will be collected via preexisting arterial access. If ACT >10% baseline additional protamine will be given at the anesthesiologists discretion. Evaluation and determination of excessive microvascular bleeding in the surgical field will occur 10 minutes after return of ACT to within 10% of baseline. Patients with clinical evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team, along with a PT >16.6 sec/ INR >1.6 sec will receive Prothrombin complex concentrate (Human) 15 units/kg. Receives: Drug: Prothrombin complex concentrate (Human) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Chest Tube Output
The amount of chest tube drainage output from after surgery through midnight of the next day. As measured in mL.
Measured: 24 hours
Red Blood Cell (RBC) Blood Product Transfusion
The number of subject's who received 0,1,2,3 or more units of RBC's transfused from completion of study drug administration though midnight of the next day.
Measured: 24 hours
Platelets Blood Product Transfusion
The number of subject's who received 0,1,2,3 or more units of Platelets transfused from completion of study drug administration though midnight of the next day.
Measured: 24 hours
Cryoprecipitate (Cryo) Blood Product Transfusion
The number of subject's who received 0,1,2,3 or more units of Cryo's transfused from completion of study drug administration though midnight of the next day.
Measured: 24 hours
Fresh Frozen Plasma (FFP) Blood Product Transfusion
The number of subject's who received 0,1,2,3 or more units of FFP's transfused from completion of study drug administration though midnight of the next day.
Measured: 24 hours
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted23 Sep 2015 (estimated)
- Study startAug 2016
- Primary completionJun 2021
- Study completionJan 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (20)Papers the sponsor has linked to this study.
- Other trials for BleedingStudies of the same condition, open and under way.
- More trials run by Mayo ClinicThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 106 participants (actual)
Sponsor and investigators
- Lead sponsor
- Mayo Clinic
- Sponsor type
- University, hospital or other
- Collaborators
- CSL Behring
- Responsible party
- Principal investigator, Gregory A. Nuttall, M.D., Mayo Clinic
- Investigators
- Gregory Nuttall, MD, Principal investigator, Mayo Clinic
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02557672
- Sponsor's protocol ID
- 14-009579
- Status last verified
- May 2022
- First submitted
- 21 Sep 2015
- Last updated
- 7 Jun 2022
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Arnekian V, Camous J, Fattal S, Rezaiguia-Delclaux S, Nottin R, Stephan F. Use of prothrombin complex concentrate for excessive bleeding after cardiac surgery. Interact Cardiovasc Thorac Surg. 2012 Sep;15(3):382-9. doi: 10.1093/icvts/ivs224. Epub 2012 May 23.
PubMed 22623627Ballotta A, Saleh HZ, El Baghdady HW, Gomaa M, Belloli F, Kandil H, Balbaa Y, Bettini F, Bossone E, Menicanti L, Frigiola A, Bellucci C, Mehta RH. Comparison of early platelet activation in patients undergoing on-pump versus off-pump coronary artery bypass surgery. J Thorac Cardiovasc Surg. 2007 Jul;134(1):132-8. doi: 10.1016/j.jtcvs.2007.01.055.
PubMed 17599498Demeyere R, Gillardin S, Arnout J, Strengers PF. Comparison of fresh frozen plasma and prothrombin complex concentrate for the reversal of oral anticoagulants in patients undergoing cardiopulmonary bypass surgery: a randomized study. Vox Sang. 2010 Oct;99(3):251-60. doi: 10.1111/j.1423-0410.2010.01339.x.
PubMed 20840339Ferreira J, DeLosSantos M. The clinical use of prothrombin complex concentrate. J Emerg Med. 2013 Jun;44(6):1201-10. doi: 10.1016/j.jemermed.2012.12.022. Epub 2013 Apr 18.
PubMed 23602147Goldberg AD, Kor DJ. State of the art management of transfusion-related acute lung injury (TRALI). Curr Pharm Des. 2012;18(22):3273-84. doi: 10.2174/1381612811209023273.
PubMed 22621274Gorlinger K, Dirkmann D, Hanke AA, Kamler M, Kottenberg E, Thielmann M, Jakob H, Peters J. First-line therapy with coagulation factor concentrates combined with point-of-care coagulation testing is associated with decreased allogeneic blood transfusion in cardiovascular surgery: a retrospective, single-center cohort study. Anesthesiology. 2011 Dec;115(6):1179-91. doi: 10.1097/ALN.0b013e31823497dd.
PubMed 21970887Hajjar LA, Vincent JL, Galas FR, Nakamura RE, Silva CM, Santos MH, Fukushima J, Kalil Filho R, Sierra DB, Lopes NH, Mauad T, Roquim AC, Sundin MR, Leao WC, Almeida JP, Pomerantzeff PM, Dallan LO, Jatene FB, Stolf NA, Auler JO Jr. Transfusion requirements after cardiac surgery: the TRACS randomized controlled trial. JAMA. 2010 Oct 13;304(14):1559-67. doi: 10.1001/jama.2010.1446.
PubMed 20940381Hanke AA, Joch C, Gorlinger K. Long-term safety and efficacy of a pasteurized nanofiltrated prothrombin complex concentrate (Beriplex P/N): a pharmacovigilance study. Br J Anaesth. 2013 May;110(5):764-72. doi: 10.1093/bja/aes501. Epub 2013 Jan 18.
PubMed 23335567Holbrook A, Schulman S, Witt DM, Vandvik PO, Fish J, Kovacs MJ, Svensson PJ, Veenstra DL, Crowther M, Guyatt GH. Evidence-based management of anticoagulant therapy: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest. 2012 Feb;141(2 Suppl):e152S-e184S. doi: 10.1378/chest.11-2295.
PubMed 22315259Kaatz S, Kouides PA, Garcia DA, Spyropolous AC, Crowther M, Douketis JD, Chan AK, James A, Moll S, Ortel TL, Van Cott EM, Ansell J. Guidance on the emergent reversal of oral thrombin and factor Xa inhibitors. Am J Hematol. 2012 May;87 Suppl 1:S141-5. doi: 10.1002/ajh.23202. Epub 2012 Apr 4.
PubMed 22473649Levy JH, Faraoni D, Spring JL, Douketis JD, Samama CM. Managing new oral anticoagulants in the perioperative and intensive care unit setting. Anesthesiology. 2013 Jun;118(6):1466-74. doi: 10.1097/ALN.0b013e318289bcba.
PubMed 23416382Nuttall GA, Oliver WC, Santrach PJ, Bryant S, Dearani JA, Schaff HV, Ereth MH. Efficacy of a simple intraoperative transfusion algorithm for nonerythrocyte component utilization after cardiopulmonary bypass. Anesthesiology. 2001 May;94(5):773-81; discussion 5A-6A. doi: 10.1097/00000542-200105000-00014.
PubMed 11388527Pandey S, Vyas GN. Adverse effects of plasma transfusion. Transfusion. 2012 May;52 Suppl 1(Suppl 1):65S-79S. doi: 10.1111/j.1537-2995.2012.03663.x.
PubMed 22578374ARDS Definition Task Force; Ranieri VM, Rubenfeld GD, Thompson BT, Ferguson ND, Caldwell E, Fan E, Camporota L, Slutsky AS. Acute respiratory distress syndrome: the Berlin Definition. JAMA. 2012 Jun 20;307(23):2526-33. doi: 10.1001/jama.2012.5669.
PubMed 22797452Thiele RH, Raphael J. A 2014 Update on Coagulation Management for Cardiopulmonary Bypass. Semin Cardiothorac Vasc Anesth. 2014 Jun;18(2):177-89. doi: 10.1177/1089253214534782.
PubMed 24876232
Study at a glance
From the registry record, last updated by the sponsor on 7 Jun 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prothrombin Complex Concentrate (PCC) Compared to Fresh Frozen Plasma (FFP) for Post-cardiopulmonary Bypass Coagulopathy and Bleeding, a Prospective Randomized Trial at Large US Medical Center.
- ClinicalTrials.gov ID
- NCT02557672
- Acronym / sponsor ID
- 14-009579
- Conditions
- Bleeding, Blood Loss, Surgical, Cardiovascular Surgical Procedures, Prothrombin Complex Concentrates, Fresh Frozen Plasma
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 106 participants (actual)
- Lead sponsor
- Mayo ClinicUniversity, hospital or other
- Collaborators
- CSL Behring
- Study start
- Aug 2016 (actual)
- Primary completion
- Jun 2021 (actual)
- Study completion
- Jan 2022 (actual)
- First posted
- 23 Sep 2015 (estimated)
- Results
- Posted 7 Jun 2022
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This will be the first prospective randomized controlled clinical trial directly comparing Prothrombin Complex Concentrate (PCC) Compared to Fresh Frozen Plasma (FFP) for post cardiopulmonary bypass microvascular bleeding and factor-mediated coagulopathy. Is there a difference in bleeding and transfusion requirements in patients received PCC versus FFP?
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Fresh frozen plasma | Active comparator | Biological: Fresh frozen plasma (FFP)After cardiopulmonary bypass, patients will receive protamine at dose 0.01 mg/unit of heparin given with target activated clotting time (ACT) within 10% of baseline value. After protamine administration the ACT, complete blood count (CBC), prothrombin time (PT)/ international normalized ratio (INR), activated partial thromboplastin time (APTT), and fibrinogen, will be collected via preexisting arterial access. If ACT >10% baseline additional protamine will be given at the anesthesiologists discretion. Evaluation and determination of excessive microvascular bleeding in the surgical field will occur 10 minutes after return of ACT to within 10% of baseline. Patients with clinical evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team, along with a PT >16.6 sec/ INR >1.6 sec will receive fresh frozen plasma as this is standard therapy per our institutional algorithm at a dose of 10-15 mL/kg rounded up to the nearest unit. |
| Prothrombin complex concentrate | Experimental | Drug: Prothrombin complex concentrate (Human)After cardiopulmonary bypass, patients will receive protamine at dose 0.01 mg/unit of heparin given with target ACT within 10% of baseline value. After protamine administration the ACT, CBC, PT/ INR, APTT, and fibrinogen, will be collected via preexisting arterial access. If ACT >10% baseline additional protamine will be given at the anesthesiologists discretion. Evaluation and determination of excessive microvascular bleeding in the surgical field will occur 10 minutes after return of ACT to within 10% of baseline. Patients with clinical evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team, along with a PT >16.6 sec/ INR >1.6 sec will receive Prothrombin complex concentrate (Human) 15 units/kg. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Be 18 years of age
- Be undergoing elective cardiac surgical procedure utilizing cardiopulmonary bypass
- Have evidence of excessive microvascular bleeding in the surgical field as determined by the surgical team in addition to a PT >16.6 sec or INR >1.6 sec.
Key exclusion criteria (13 listed)
- Are unable to grant informed consent or comply with study procedure
- History of hypercoagulable condition (e.g. Factor V Leiden, AT-3 deficiency, Prothrombin gene mutation, Anti-phospholipid antibody syndrome, etc) or previous unprovoked thromboembolic complications
- Coagulopathic conditions such as factor deficiencies, factor inhibitors, heparin induced thrombocytopenia, or use of intravenous anticoagulants other than heparin at the time of cardiovascular surgery
- Thromboembolic event within past 3 months
- Received oral therapy with clopidogrel, prasugrel, rivaroxaban or dabigatran within the past 5 days
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Prothrombin complex concentrate (Human)Also: KcentraPCC (Kcentra) | Drug | Prothrombin complex concentrate |
| Fresh frozen plasma (FFP)FFP | Biological | Fresh frozen plasma |
Primary outcome
Chest Tube Output
Time frame: 24 hours
The amount of chest tube drainage output from after surgery through midnight of the next day. As measured in mL.
Red Blood Cell (RBC) Blood Product Transfusion
Time frame: 24 hours
The number of subject's who received 0,1,2,3 or more units of RBC's transfused from completion of study drug administration though midnight of the next day.
Platelets Blood Product Transfusion
Time frame: 24 hours
The number of subject's who received 0,1,2,3 or more units of Platelets transfused from completion of study drug administration though midnight of the next day.
Cryoprecipitate (Cryo) Blood Product Transfusion
Time frame: 24 hours
The number of subject's who received 0,1,2,3 or more units of Cryo's transfused from completion of study drug administration though midnight of the next day.
Fresh Frozen Plasma (FFP) Blood Product Transfusion
Time frame: 24 hours
The number of subject's who received 0,1,2,3 or more units of FFP's transfused from completion of study drug administration though midnight of the next day.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 7 Jun 2022.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 22623627Arnekian V, Camous J, Fattal S, Rezaiguia-Delclaux S, Nottin R, Stephan F. Use of prothrombin complex concentrate for excessive bleeding after cardiac surgery. Interact Cardiovasc Thorac Surg. 2012 Sep;15(3):382-9. doi: 10.1093/icvts/ivs224. Epub 2012 May 23.
- Background: PubMed 17599498Ballotta A, Saleh HZ, El Baghdady HW, Gomaa M, Belloli F, Kandil H, Balbaa Y, Bettini F, Bossone E, Menicanti L, Frigiola A, Bellucci C, Mehta RH. Comparison of early platelet activation in patients undergoing on-pump versus off-pump coronary artery bypass surgery. J Thorac Cardiovasc Surg. 2007 Jul;134(1):132-8. doi: 10.1016/j.jtcvs.2007.01.055.
- Background: PubMed 20840339Demeyere R, Gillardin S, Arnout J, Strengers PF. Comparison of fresh frozen plasma and prothrombin complex concentrate for the reversal of oral anticoagulants in patients undergoing cardiopulmonary bypass surgery: a randomized study. Vox Sang. 2010 Oct;99(3):251-60. doi: 10.1111/j.1423-0410.2010.01339.x.
- Background: PubMed 23602147Ferreira J, DeLosSantos M. The clinical use of prothrombin complex concentrate. J Emerg Med. 2013 Jun;44(6):1201-10. doi: 10.1016/j.jemermed.2012.12.022. Epub 2013 Apr 18.
- Background: PubMed 22621274Goldberg AD, Kor DJ. State of the art management of transfusion-related acute lung injury (TRALI). Curr Pharm Des. 2012;18(22):3273-84. doi: 10.2174/1381612811209023273.
- Background: PubMed 21970887Gorlinger K, Dirkmann D, Hanke AA, Kamler M, Kottenberg E, Thielmann M, Jakob H, Peters J. First-line therapy with coagulation factor concentrates combined with point-of-care coagulation testing is associated with decreased allogeneic blood transfusion in cardiovascular surgery: a retrospective, single-center cohort study. Anesthesiology. 2011 Dec;115(6):1179-91. doi: 10.1097/ALN.0b013e31823497dd.
- Background: PubMed 20940381Hajjar LA, Vincent JL, Galas FR, Nakamura RE, Silva CM, Santos MH, Fukushima J, Kalil Filho R, Sierra DB, Lopes NH, Mauad T, Roquim AC, Sundin MR, Leao WC, Almeida JP, Pomerantzeff PM, Dallan LO, Jatene FB, Stolf NA, Auler JO Jr. Transfusion requirements after cardiac surgery: the TRACS randomized controlled trial. JAMA. 2010 Oct 13;304(14):1559-67. doi: 10.1001/jama.2010.1446.
- Background: PubMed 23335567Hanke AA, Joch C, Gorlinger K. Long-term safety and efficacy of a pasteurized nanofiltrated prothrombin complex concentrate (Beriplex P/N): a pharmacovigilance study. Br J Anaesth. 2013 May;110(5):764-72. doi: 10.1093/bja/aes501. Epub 2013 Jan 18.
- Background: PubMed 22315259Holbrook A, Schulman S, Witt DM, Vandvik PO, Fish J, Kovacs MJ, Svensson PJ, Veenstra DL, Crowther M, Guyatt GH. Evidence-based management of anticoagulant therapy: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest. 2012 Feb;141(2 Suppl):e152S-e184S. doi: 10.1378/chest.11-2295.
- Background: PubMed 22473649Kaatz S, Kouides PA, Garcia DA, Spyropolous AC, Crowther M, Douketis JD, Chan AK, James A, Moll S, Ortel TL, Van Cott EM, Ansell J. Guidance on the emergent reversal of oral thrombin and factor Xa inhibitors. Am J Hematol. 2012 May;87 Suppl 1:S141-5. doi: 10.1002/ajh.23202. Epub 2012 Apr 4.
- Background: PubMed 23416382Levy JH, Faraoni D, Spring JL, Douketis JD, Samama CM. Managing new oral anticoagulants in the perioperative and intensive care unit setting. Anesthesiology. 2013 Jun;118(6):1466-74. doi: 10.1097/ALN.0b013e318289bcba.
- Background: PubMed 11388527Nuttall GA, Oliver WC, Santrach PJ, Bryant S, Dearani JA, Schaff HV, Ereth MH. Efficacy of a simple intraoperative transfusion algorithm for nonerythrocyte component utilization after cardiopulmonary bypass. Anesthesiology. 2001 May;94(5):773-81; discussion 5A-6A. doi: 10.1097/00000542-200105000-00014.
- Mayo Clinic Clinical TrialsLink provided by the sponsor.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Gregory Nuttall, MD principal investigator
Mayo Clinic
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Prothrombin complex concentrate (Human) and Fresh frozen plasma (FFP) in people with Bleeding and Blood Loss, Surgical, run by Mayo Clinic at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 7 Jun 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 7 Jun 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Chest Tube Output (time frame: 24 hours). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02557672, which also lists 20 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jun 2022.