Acute Aortic DissectionNCT05874700
A Pilot Study of Sivelestat Sodium to Shorten Mechanical Ventilation in Acute Aortic Dissection
A study testing Sivelestat sodium was given intravenously in people with Acute Aortic Dissection, run by Xiaotong Hou at 1 site in China.
Trial summary
This is A prospective, randomized, placebo-controlled, reestimable adaptive clinical study to evaluate the efficacy and safety of perioperative application of sivelestat sodium to shorten the duration of postoperative invasive mechanical ventilation in acute type A aortic dissection patients with preoperative moderate… Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Acute Aortic Dissection
- What is being tested?
- Sivelestat sodium was given intravenously
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 30 participants
- Where
- 1 siteChina
- Study dates
- May 2023to Feb 2024
- Phase
- Interventional
- Are there results?
- None posted in the registry
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 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Aged 18-75;
- Spontaneous acute (≤14 days) type A aortic dissection;
- In the emergency department, hypothermic circulatory arrest combined with unilateral anterograde cerebral perfusion was expected to be performed on the aortic arch surgery;
- Preoperative PaO2/FiO2≤200mmHg;
Who cannot join
- Preoperative cardiogenic shock;
- preoperative liver insufficiency;
- Preoperative dissection involves important organs and seriously endangers the patient's life
- Pregnant women;
- hereditary connective tissue diseases, such as Marfan syndrome, Ehlers-Danlos syndrome, Loeys-Dietz syndrome, etc.;
- Behcet's disease;
Show all 17Show fewer
- aortitis;
- There is a history of neurologic disease that has been clearly diagnosed;
- There is a history of a clearly diagnosed mental illness;
- There is a definite diagnosis of chronic respiratory disease;
- There is a clearly diagnosed immune disease;
- There is a definite diagnosis of hematological diseases;
- severe renal failure or require dialysis treatment;
- Taking anti-inflammatory or anti-coagulant drugs within a week before admission;
- People who are allergic to sivelestat sodium and other ingredients;
- Has participated in other clinical trials;
- The clinician judges that it is not suitable for inclusion in the study;
Trial locations and contacts
1 site in 1 country.
China1 site
Center for Cardiac Intensive Care, Beijing Anzhen Hospital, Capital Medical University
Beijing, Beijing Municipality, 100029
About this study
Official title: A Pilot Study of Perioperative Application of Sivelestat Sodium in Acute Type A Aortic Dissection Patients With Preoperative Moderate to Severe Hypoxemia to Shorten the Duration of Postoperative Invasive Mechanical Ventilation
This is A prospective, randomized, placebo-controlled, reestimable adaptive clinical study to evaluate the efficacy and safety of perioperative application of sivelestat sodium to shorten the duration of postoperative invasive mechanical ventilation in acute type A aortic dissection patients with preoperative moderate and severe hypoxemia (PaO2/FiO2≤200mmHg).
Read the detailed description
In recent years, sivelestat sodium therapy has been used to treat and prevent CPB-associated lung injury with good results. Morimoto K et al., randomized control of a small sample size, demonstrated that sivelestat sodium improves respiratory function in patients with severe respiratory failure after hypothermia thoracic aortic surgery. A retrospective study by Morimoto N et al. confirmed that prophylactic application of sivelestat sodium at the beginning of CPB could improve postoperative respiratory function and shorten the duration of mechanical ventilation in patients with hypothermic circulatory arrest. At present, there is a lack of reliable RCTS to confirm that the intraoperative application of sivelestat sodium can effectively treat preoperative acute lung injury, improve CPB-related lung injury, and reduce the incidence of postoperative acute lung injury. Therefore, the objective of this study was to design A randomized controlled study to evaluate the clinical efficacy and safety of intraoperative use of sivelestat sodium to shorten the duration of postoperative invasive mechanical ventilation in acute type A aortic dissection patients with preoperative moderate to severe hypoxemia. The purpose of this preliminary clinical trial is to provide theoretical basis for sample size calculation of randomized controlled trials, and to evaluate the scientific nature and feasibility of randomized controlled trials.
- Conditions
- Acute Aortic Dissection
- Being tested
- Sivelestat sodium was given intravenously, Placebo was given intravenously
- Keywords
- acute type A aortic dissection, preoperative moderate to severe hypoxemia, sivelestat sodium
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Sivelestat sodium was given intravenouslyDrug
Also called Sivelestat sodium group
Anesthesia induction began with a 0.2mg/Kg/h pump test drug until 48 hours after endotracheal intubation was removed or up to 7 days. If the patient was judged to have successfully removed the endotracheal tube, drug administration was discontinued; If the endotracheal intubation was not removed successfully up to 7 days, drug administration was also discontinued. During CPB, 0.1mg/100mL of the experimental drug was injected into the circulating pump immediately after CPB began.
Placebo was given intravenouslyDrug
Also called Placebo control group
Anesthesia induction began with a 0.2mg/Kg/h pump test drug until 48 hours after endotracheal intubation was removed or up to 7 days. If the patient was judged to have successfully removed the endotracheal tube, drug administration was discontinued; If the endotracheal intubation was not removed successfully up to 7 days, drug administration was also discontinued. During CPB, 0.1mg/100mL of the experimental drug was injected into the circulating pump immediately after CPB began.
| Study group | Role | What they receive |
|---|---|---|
| Sivelestat sodium group | Experimental | sivelestat sodium Receives: Drug: Sivelestat sodium was given intravenously |
| Placebo control group | Placebo comparator | Placebo control Receives: Drug: Placebo was given intravenously |
What is being measured
The primary outcome is the main question the study is designed to answer.
Invasive mechanical ventilation time
Duration from the initiation of invasive mechanical ventilation to the first successful removal of the endotracheal tube
Measured: 28 days after surgery
Secondary outcomes (5)
Total invasive mechanical ventilation
mode and duration
Measured: 28 days after surgery
Total non-invasive mechanical ventilation
mode and duration
Measured: 28 days after surgery
Total high flow oxygen uptake
mode and duration
Measured: 28 days after surgery
Oxygenation index and area under curve
Oxygenation index
Measured: 28 days after surgery
PaO2/FiO2≤300mmHg Duration
Duration of hypoxemia
Measured: 28 days after surgery
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted25 May 2023
- Study startMay 2023 (estimated)
- Primary completionDec 2023 (estimated)
- Study completionFeb 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (24)Papers the sponsor has linked to this study.
- Other trials for Acute Aortic DissectionStudies of the same condition, open and under way.
- 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 N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 30 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Xiaotong Hou
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Xiaotong Hou, Beijing Anzhen Hospital
- Investigators
- Xiaomeng Wang, MD, Study chair, Beijing Anzhen Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05874700
- Sponsor's protocol ID
- 2023-4
- Status last verified
- May 2023
- First submitted
- 6 May 2023
- Last updated
- 25 May 2023
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Bossone E, Eagle KA. Epidemiology and management of aortic disease: aortic aneurysms and acute aortic syndromes. Nat Rev Cardiol. 2021 May;18(5):331-348. doi: 10.1038/s41569-020-00472-6. Epub 2020 Dec 22.
PubMed 33353985Guo Z, Yang Y, Zhao M, Zhang B, Lu J, Jin M, Cheng W. Preoperative hypoxemia in patients with type A acute aortic dissection: a retrospective study on incidence, related factors and clinical significance. J Thorac Dis. 2019 Dec;11(12):5390-5397. doi: 10.21037/jtd.2019.11.68.
PubMed 32030257Liu N, Zhang W, Ma W, Shang W, Zheng J, Sun L. Risk factors for hypoxemia following surgical repair of acute type A aortic dissection. Interact Cardiovasc Thorac Surg. 2017 Feb 1;24(2):251-256. doi: 10.1093/icvts/ivw272.
PubMed 27756811Wang Y, Xue S, Zhu H. Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery. J Cardiothorac Surg. 2013 Apr 30;8:118. doi: 10.1186/1749-8090-8-118.
PubMed 23631417Thompson BT, Chambers RC, Liu KD. Acute Respiratory Distress Syndrome. N Engl J Med. 2017 Aug 10;377(6):562-572. doi: 10.1056/NEJMra1608077. No abstract available.
PubMed 28792873Duan XZ, Xu ZY, Lu FL, Han L, Tang YF, Tang H, Liu Y. Inflammation is related to preoperative hypoxemia in patients with acute Stanford type A aortic dissection. J Thorac Dis. 2018 Mar;10(3):1628-1634. doi: 10.21037/jtd.2018.03.48.
PubMed 29707315Oda S, Aibiki M, Ikeda T, Imaizumi H, Endo S, Ochiai R, Kotani J, Shime N, Nishida O, Noguchi T, Matsuda N, Hirasawa H; Sepsis Registry Committee of The Japanese Society of Intensive Care Medicine. The Japanese guidelines for the management of sepsis. J Intensive Care. 2014 Oct 28;2(1):55. doi: 10.1186/s40560-014-0055-2. eCollection 2014.
PubMed 25705413Hashimoto S, Okayama Y, Shime N, Kimura A, Funakoshi Y, Kawabata K, Ishizaka A, Amaya F. Neutrophil elastase activity in acute lung injury and respiratory distress syndrome. Respirology. 2008 Jun;13(4):581-4. doi: 10.1111/j.1440-1843.2008.01283.x. Epub 2008 Apr 10.
PubMed 18410258Polverino E, Rosales-Mayor E, Dale GE, Dembowsky K, Torres A. The Role of Neutrophil Elastase Inhibitors in Lung Diseases. Chest. 2017 Aug;152(2):249-262. doi: 10.1016/j.chest.2017.03.056. Epub 2017 Apr 23.
PubMed 28442313Kotani M, Kotani T, Ishizaka A, Fujishima S, Koh H, Tasaka S, Sawafuji M, Ikeda E, Moriyama K, Kotake Y, Morisaki H, Aikawa N, Ohashi A, Matsushima K, Huang YC, Takeda J. Neutrophil depletion attenuates interleukin-8 production in mild-overstretch ventilated normal rabbit lung. Crit Care Med. 2004 Feb;32(2):514-9. doi: 10.1097/01.CCM.0000110677.16968.E4.
PubMed 14758172Miyoshi S, Hamada H, Ito R, Katayama H, Irifune K, Suwaki T, Nakanishi N, Kanematsu T, Dote K, Aibiki M, Okura T, Higaki J. Usefulness of a selective neutrophil elastase inhibitor, sivelestat, in acute lung injury patients with sepsis. Drug Des Devel Ther. 2013 Apr 10;7:305-16. doi: 10.2147/DDDT.S42004. Print 2013.
PubMed 23596346Morimoto K, Nishimura K, Miyasaka S, Maeta H, Taniguchi I. The effect of sivelestat sodium hydrate on severe respiratory failure after thoracic aortic surgery with deep hypothermia. Ann Thorac Cardiovasc Surg. 2011;17(4):369-75. doi: 10.5761/atcs.oa.10.01555.
PubMed 21881324Morimoto N, Morimoto K, Morimoto Y, Takahashi H, Asano M, Matsumori M, Okada K, Okita Y. Sivelestat attenuates postoperative pulmonary dysfunction after total arch replacement under deep hypothermia. Eur J Cardiothorac Surg. 2008 Oct;34(4):798-804. doi: 10.1016/j.ejcts.2008.07.010. Epub 2008 Aug 22.
PubMed 18722781Ryugo M, Sawa Y, Takano H, Matsumiya G, Iwai S, Ono M, Hata H, Yamauchi T, Nishimura M, Fujino Y, Matsuda H. Effect of a polymorphonuclear elastase inhibitor (sivelestat sodium) on acute lung injury after cardiopulmonary bypass: findings of a double-blind randomized study. Surg Today. 2006;36(4):321-6. doi: 10.1007/s00595-005-3160-y.
PubMed 16554988Niino T, Hata M, Sezai A, Yoshitake I, Unosawa S, Fujita K, Shimura K, Osaka S, Minami K. Efficacy of neutrophil elastase inhibitor on type A acute aortic dissection. Thorac Cardiovasc Surg. 2010 Apr;58(3):164-8. doi: 10.1055/s-0029-1240846. Epub 2010 Apr 7.
PubMed 20376727
Study at a glance
From the registry record, last updated by the sponsor on 25 May 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Pilot Study of Perioperative Application of Sivelestat Sodium in Acute Type A Aortic Dissection Patients With Preoperative Moderate to Severe Hypoxemia to Shorten the Duration of Postoperative Invasive Mechanical Ventilation
- ClinicalTrials.gov ID
- NCT05874700
- Acronym / sponsor ID
- 2023-4
- Conditions
- Acute Aortic Dissection
- Keywords
- acute type A aortic dissection, preoperative moderate to severe hypoxemia, sivelestat sodium
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 30 participants (estimated)
- Lead sponsor
- Xiaotong HouUniversity, hospital or other
- Study start
- May 2023 (estimated)
- Primary completion
- Dec 2023 (estimated)
- Study completion
- Feb 2024 (estimated)
- First posted
- 25 May 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is A prospective, randomized, placebo-controlled, reestimable adaptive clinical study to evaluate the efficacy and safety of perioperative application of sivelestat sodium to shorten the duration of postoperative invasive mechanical ventilation in acute type A aortic dissection patients with preoperative moderate and severe hypoxemia (PaO2/FiO2≤200mmHg).
Detailed description
In recent years, sivelestat sodium therapy has been used to treat and prevent CPB-associated lung injury with good results. Morimoto K et al., randomized control of a small sample size, demonstrated that sivelestat sodium improves respiratory function in patients with severe respiratory failure after hypothermia thoracic aortic surgery. A retrospective study by Morimoto N et al. confirmed that prophylactic application of sivelestat sodium at the beginning of CPB could improve postoperative respiratory function and shorten the duration of mechanical ventilation in patients with hypothermic circulatory arrest. At present, there is a lack of reliable RCTS to confirm that the intraoperative application of sivelestat sodium can effectively treat preoperative acute lung injury, improve CPB-related lung injury, and reduce the incidence of postoperative acute lung injury. Therefore, the objective of this study was to design A randomized controlled study to evaluate the clinical efficacy and safety of intraoperative use of sivelestat sodium to shorten the duration of postoperative invasive mechanical ventilation in acute type A aortic dissection patients with preoperative moderate to severe hypoxemia. The purpose of this preliminary clinical trial is to provide theoretical basis for sample size calculation of randomized controlled trials, and to evaluate the scientific nature and feasibility of randomized controlled trials.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Sivelestat sodium group | Experimental | Drug: Sivelestat sodium was given intravenouslysivelestat sodium |
| Placebo control group | Placebo comparator | Drug: Placebo was given intravenouslyPlacebo control |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Aged 18-75;
- Spontaneous acute (≤14 days) type A aortic dissection;
- In the emergency department, hypothermic circulatory arrest combined with unilateral anterograde cerebral perfusion was expected to be performed on the aortic arch surgery;
- Preoperative PaO2/FiO2≤200mmHg;
Key exclusion criteria (17 listed)
- Preoperative cardiogenic shock;
- preoperative liver insufficiency;
- Preoperative dissection involves important organs and seriously endangers the patient's life
- Pregnant women;
- hereditary connective tissue diseases, such as Marfan syndrome, Ehlers-Danlos syndrome, Loeys-Dietz syndrome, etc.;
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 |
|---|---|---|
| Sivelestat sodium was given intravenouslyAlso: Sivelestat sodium groupAnesthesia induction began with a 0.2mg/Kg/h pump test drug until 48 hours after endotracheal intubation was removed or up to 7 days. If the patient was judged to have successfully removed the endotracheal tube, drug administration was discontinued; If the endotracheal intubation was not removed successfully up to 7 days, drug administration was also discontinued. During CPB, 0.1mg/100mL of the experimental drug was injected into the circulating pump immediately after CPB began. | Drug | Sivelestat sodium group |
| Placebo was given intravenouslyAlso: Placebo control groupAnesthesia induction began with a 0.2mg/Kg/h pump test drug until 48 hours after endotracheal intubation was removed or up to 7 days. If the patient was judged to have successfully removed the endotracheal tube, drug administration was discontinued; If the endotracheal intubation was not removed successfully up to 7 days, drug administration was also discontinued. During CPB, 0.1mg/100mL of the experimental drug was injected into the circulating pump immediately after CPB began. | Drug | Placebo control group |
Primary outcome
Invasive mechanical ventilation time
Time frame: 28 days after surgery
Duration from the initiation of invasive mechanical ventilation to the first successful removal of the endotracheal tube
5 secondary outcomes
Total invasive mechanical ventilation
Time frame: 28 days after surgery
Total non-invasive mechanical ventilation
Time frame: 28 days after surgery
Total high flow oxygen uptake
Time frame: 28 days after surgery
Oxygenation index and area under curve
Time frame: 28 days after surgery
PaO2/FiO2≤300mmHg Duration
Time frame: 28 days after surgery
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 May 2023.
- Results publication: PubMed 33353985Bossone E, Eagle KA. Epidemiology and management of aortic disease: aortic aneurysms and acute aortic syndromes. Nat Rev Cardiol. 2021 May;18(5):331-348. doi: 10.1038/s41569-020-00472-6. Epub 2020 Dec 22.
- Results publication: PubMed 32030257Guo Z, Yang Y, Zhao M, Zhang B, Lu J, Jin M, Cheng W. Preoperative hypoxemia in patients with type A acute aortic dissection: a retrospective study on incidence, related factors and clinical significance. J Thorac Dis. 2019 Dec;11(12):5390-5397. doi: 10.21037/jtd.2019.11.68.
- Results publication: PubMed 27756811Liu N, Zhang W, Ma W, Shang W, Zheng J, Sun L. Risk factors for hypoxemia following surgical repair of acute type A aortic dissection. Interact Cardiovasc Thorac Surg. 2017 Feb 1;24(2):251-256. doi: 10.1093/icvts/ivw272.
- Results publication: PubMed 23631417Wang Y, Xue S, Zhu H. Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery. J Cardiothorac Surg. 2013 Apr 30;8:118. doi: 10.1186/1749-8090-8-118.
- Results publication: PubMed 28792873Thompson BT, Chambers RC, Liu KD. Acute Respiratory Distress Syndrome. N Engl J Med. 2017 Aug 10;377(6):562-572. doi: 10.1056/NEJMra1608077. No abstract available.
- Results publication: PubMed 29707315Duan XZ, Xu ZY, Lu FL, Han L, Tang YF, Tang H, Liu Y. Inflammation is related to preoperative hypoxemia in patients with acute Stanford type A aortic dissection. J Thorac Dis. 2018 Mar;10(3):1628-1634. doi: 10.21037/jtd.2018.03.48.
- Results publication: PubMed 25705413Oda S, Aibiki M, Ikeda T, Imaizumi H, Endo S, Ochiai R, Kotani J, Shime N, Nishida O, Noguchi T, Matsuda N, Hirasawa H; Sepsis Registry Committee of The Japanese Society of Intensive Care Medicine. The Japanese guidelines for the management of sepsis. J Intensive Care. 2014 Oct 28;2(1):55. doi: 10.1186/s40560-014-0055-2. eCollection 2014.
- Results publication: PubMed 18410258Hashimoto S, Okayama Y, Shime N, Kimura A, Funakoshi Y, Kawabata K, Ishizaka A, Amaya F. Neutrophil elastase activity in acute lung injury and respiratory distress syndrome. Respirology. 2008 Jun;13(4):581-4. doi: 10.1111/j.1440-1843.2008.01283.x. Epub 2008 Apr 10.
- Results publication: PubMed 28442313Polverino E, Rosales-Mayor E, Dale GE, Dembowsky K, Torres A. The Role of Neutrophil Elastase Inhibitors in Lung Diseases. Chest. 2017 Aug;152(2):249-262. doi: 10.1016/j.chest.2017.03.056. Epub 2017 Apr 23.
- Results publication: PubMed 14758172Kotani M, Kotani T, Ishizaka A, Fujishima S, Koh H, Tasaka S, Sawafuji M, Ikeda E, Moriyama K, Kotake Y, Morisaki H, Aikawa N, Ohashi A, Matsushima K, Huang YC, Takeda J. Neutrophil depletion attenuates interleukin-8 production in mild-overstretch ventilated normal rabbit lung. Crit Care Med. 2004 Feb;32(2):514-9. doi: 10.1097/01.CCM.0000110677.16968.E4.
- Results publication: PubMed 23596346Miyoshi S, Hamada H, Ito R, Katayama H, Irifune K, Suwaki T, Nakanishi N, Kanematsu T, Dote K, Aibiki M, Okura T, Higaki J. Usefulness of a selective neutrophil elastase inhibitor, sivelestat, in acute lung injury patients with sepsis. Drug Des Devel Ther. 2013 Apr 10;7:305-16. doi: 10.2147/DDDT.S42004. Print 2013.
- Results publication: PubMed 21881324Morimoto K, Nishimura K, Miyasaka S, Maeta H, Taniguchi I. The effect of sivelestat sodium hydrate on severe respiratory failure after thoracic aortic surgery with deep hypothermia. Ann Thorac Cardiovasc Surg. 2011;17(4):369-75. doi: 10.5761/atcs.oa.10.01555.
- 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.
Xiaomeng Wang, MD study chair
Beijing Anzhen Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Sivelestat sodium was given intravenously in people with Acute Aortic Dissection, run by Xiaotong Hou at 1 site in China.
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 17 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: status not confirmed, as of the sponsor's last update on 25 May 2023. 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 China. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Xiaotong Hou, MD (8610 64456631, xt.hou@ccmu.edu.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Invasive mechanical ventilation time (time frame: 28 days after surgery). 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 NCT05874700, which also lists 24 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 25 May 2023.