COVID-19NCT04359797
COVID-19 Patient Positioning Pragmatic Trial
A study testing Prone in people with COVID-19, run by Vanderbilt University Medical Center at 2 sites in United States.
Trial summary
This study aims to determine if provider-recommended guidance on supine (on back) vs. prone (on stomach) positioning of patients testing positive for COVID-19 requiring supplemental oxygen, but not yet mechanically ventilated, improves outcomes in the inpatient setting. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- COVID-19
- What is being tested?
- Prone
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 501 participants
- Where
- 2 sitesUnited States
- Study dates
- 27 Apr 2020to 17 Jan 2021
- Phase
- Interventional
- 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
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- This study will enroll all patients admitted to VUMC who test positive for COVID-19 and require supplemental oxygen, but are not yet mechanically ventilated.
Who cannot join
- Patients admitted on mechanical ventilation will be excluded from enrollment.
Trial locations and contacts
2 sites in 1 country.
United States2 sites
NorthShore University HealthSystem
Highland Park, Illinois, 60035
Vanderbilt University Medical Center
Nashville, Tennessee, 37232
About this study
Official title: Pragmatic Trial Exploring Impact of Patient Positioning in the Management of Patients Infected With COVID-19: Supine vs. Prone
This study aims to determine if provider-recommended guidance on supine (on back) vs. prone (on stomach) positioning of patients testing positive for COVID-19 requiring supplemental oxygen, but not yet mechanically ventilated, improves outcomes in the inpatient setting. This study will be performed as a pragmatic clinical trial.
Read the detailed description
Disease Progression and Timing of Intervention The intervention described herein focuses on adjustment of patient positioning aimed at improving gas exchange and lung function in patients harboring COVID-19. This intervention will target the inpatient setting generally.
Scientific/Clinical Rationale for Approach Since emergence of the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) now designated coronavirus disease 2019 (COVID-19), one in six affected patients becomes seriously ill. The lung appears to be the most susceptible target organ, with a large swath of symptomatic patients struggling with mild upper respiratory tract illness and severe viral pneumonia resulting in respiratory failure. This respiratory failure is often fatal, with one study showing 28% non-survivors having experienced respiratory failure. Moreover, 81-97% of patients requiring mechanical ventilation do not survive.
Like its interaction with Severe Acute Respiratory Syndrome (SARS-CoV), angiotensin converting enzyme 2 (ACE2) is the functional receptor for COVID-19. Viral adherence to host-cell membrane associated ACE2 facilitates the proximity required for viral "spike" mediated genetic material injection. In COVID-19, this spike is 10-20 times more likely to bind ACE2 than SARS. ACE2 is expressed in 0.64% of all human lung cells, with 83% of those cells being alveolar epithelial type II. In addition, gene ontology enrichment analysis showed that the ACE2-expressing alveolar epithelial type II have high levels of multiple viral process-related genes, including regulatory genes for viral processes, viral life cycle, viral assembly, and viral genome replication, suggesting that the ACE2-expressing alveolar epithelial type II cells facilitate coronaviral replication in the lung. Thus, these cells likely serve as a ready reservoir for viral invasion. Perhaps more importantly, alveolar type II cells function to generate and recycle surfactant essential to respiratory activity. Surfactant defends against alveolar collapse at low lung volume and protects the lung from injuries/infections caused by inhaled particles and micro-organisms. In COVID-19, if these vital cells are being destroyed, alveolar failure may ensue with severe lung impairment. Thus, interventions that are aimed at improving pressure normalization and alveolar protection may be beneficial in these patients.
Prone positioning (PP) has long been used to combat hypoxemia in acute respiratory distress syndrome (ARDS). Improvements in gas exchange result from improved alveolar ventilation and blood flow redistribution with enhanced perfusion following. PP reduces lung over inflation and bolsters alveolar recruitment. PP also promotes uniformity of vertical pleural pressure gradients resulting in more uniform alveolar size. Considering these physiologic factors together, the investigators hypothesize PP serves to balance stress and strain within the lungs of non-critically ill patients with COVID-19 leading to improved outcomes compared to traditional supine positioning.
Prior Research Supporting the Positioning Model:
Multiple studies have been conducted that support the use of PP as a proactive treatment to combat hypoxemia in ARDS. Each year, approximately 170,000 people are diagnosed with ARDS, and those diagnosed face mortality rates between 25% and 40%. The use of PP stretches back to the 1970s, as providers began to search for ways to ameliorate ARDS symptomatology and reduce the then even higher levels of mortality associated with it. Following initial reports that PP significantly improved oxygenation in 70-80% of patients with ARDS, it was adopted as a standard treatment option. Initially, randomized clinical trials struggled to replicate these findings, citing multiple limitations to study enrollment and treatment standardization that made ascertaining conclusive results difficult. Only as RCT construction has been refined to accommodate for these limitations have the benefits of PP been more clearly demonstrated.
These beneficial effects have been recently upheld by the landmark PROSEVA study, a multicenter, prospective, randomized, controlled trial, that randomly assigned 466 patients with severe ARDS to undergo prone-positioning sessions of at least 16 hours or to be left in the supine position. Their results demonstrated a significant improvement in both 28- and 90-day mortality rates: "the 28-day mortality was 16.0% in the prone group and 32.8% in the supine group (P<0.001). The hazard ratio for death with prone positioning was 0.39 (95% confidence interval [CI], 0.25 to 0.63). Unadjusted 90-day mortality was 23.6% in the prone group versus 41.0% in the supine group (P<0.001), with a hazard ratio of 0.44 (95% CI, 0.29 to 0.67)".
Per these positive findings, PP has been consistently shown to be an effective mechanism to increase oxygenation in patients with ARDS when implemented under the following conditions: early enlisting of treatment and its consistent maintenance for at least 16 hours per day, and with concurrent use of lung-protective therapies. Translating these findings towards treatment of COVID-19 positive patients seems promising given the similarity of manifested symptoms and complications.
- Conditions
- COVID-19
- Being tested
- Prone, Usual Care
- Medical subject headings
- COVID-19
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ProneOther
Also called Proning
Provider-recommended guidance on prone positioning of patients
Usual CareOther
No provider-recommendation, patients will remain in their natural choice of position
| Study group | Role | What they receive |
|---|---|---|
| Usual Care | Active comparator | Participants randomized to this arm will remain in their natural choice of position, which is anticipated to favor a supine, semi-recumbent position. Receives: Other: Usual Care |
| Prone | Active comparator | Participants randomized to this arm will be encouraged to lay in a completely prone position for as much time as is tolerable during hospitalization. Receives: Other: Prone |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Participants Categorized on the Modified WHO Ordinal Scale by the Highest Level of Support on Day 5
The highest level of support on the 5th day after enrollment according to the following scale adjusted for patient status at enrollment according to the same scale and ranked by mean FIO2 within each category, as appropriate.
- Death
- ECMO
- Mechanical ventilation (ranked by mean FIO2)
- Non-invasive ventilation such as BiPAP (ranked by mean FIO2)
- High flow nasal cannula, e.g. Optiflow, Vapotherm or other similar device (titrated by FiO2%) (ranked by mean FIO2)
- Standard nasal cannula (titrated by L/min up to 15 L/min) or face mask (ranked by mean FIO2)
- Room air
Measured: 5 days post-randomization
Secondary outcomes (1)
FIO2
For each day, the investigators will record the most intensive oxygen delivery mode and then, for that highest level of oxygen support device, the max FiO2 while exposed to that device.
Measured: First 5 days post-randomization
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 Apr 2020
- Study start27 Apr 2020
- Primary completion17 Dec 2020
- Study completion17 Jan 2021
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 (17)Papers the sponsor has linked to this study.
- Other trials for COVID-19Studies of the same condition, open and under way.
- More trials run by Vanderbilt University Medical CenterThe 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 N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- This study will be performed as a pragmatic controlled clinical trial with parallel group assignment.
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 501 participants (actual)
Sponsor and investigators
- Lead sponsor
- Vanderbilt University Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Todd Rice, Vanderbilt University Medical Center
- Investigators
- Todd W Rice, MD, MSc, Principal investigator, Vanderbilt University Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04359797
- Sponsor's protocol ID
- 200727
- Status last verified
- Dec 2021
- First submitted
- 20 Apr 2020
- Last updated
- 27 Dec 2021
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Individual participant data that underlie the results reported will be made available (including data dictionaries) after de-identification.
Publications
Q&A on coronaviruses (COVID-19) [Internet]. [cited 2020 Mar 24];Available from: https://www.who.int/news-room/q-a-detail/q-a-coronaviruses
Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, Xiang J, Wang Y, Song B, Gu X, Guan L, Wei Y, Li H, Wu X, Xu J, Tu S, Zhang Y, Chen H, Cao B. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet. 2020 Mar 28;395(10229):1054-1062. doi: 10.1016/S0140-6736(20)30566-3. Epub 2020 Mar 11.
PubMed 32171076Yang X, Yu Y, Xu J, Shu H, Xia J, Liu H, Wu Y, Zhang L, Yu Z, Fang M, Yu T, Wang Y, Pan S, Zou X, Yuan S, Shang Y. Clinical course and outcomes of critically ill patients with SARS-CoV-2 pneumonia in Wuhan, China: a single-centered, retrospective, observational study. Lancet Respir Med. 2020 May;8(5):475-481. doi: 10.1016/S2213-2600(20)30079-5. Epub 2020 Feb 24.
PubMed 32105632Feb 24 SS| NR| CN|, 2020. Study of 72,000 COVID-19 patients finds 2.3% death rate [Internet]. CIDRAP. [cited 2020 Mar 24];Available from: http://www.cidrap.umn.edu/news-perspective/2020/02/study-72000-covid-19-patients-finds-23-death-rate
Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020 Mar;579(7798):270-273. doi: 10.1038/s41586-020-2012-7. Epub 2020 Feb 3.
PubMed 32015507Wrapp D, Wang N, Corbett KS, Goldsmith JA, Hsieh CL, Abiona O, Graham BS, McLellan JS. Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation. Science. 2020 Mar 13;367(6483):1260-1263. doi: 10.1126/science.abb2507. Epub 2020 Feb 19.
PubMed 32075877Zhao Y, Zhao Z, Wang Y, Zhou Y, Ma Y, Zuo W. Single-cell RNA expression profiling of ACE2, the putative receptor of Wuhan 2019-nCov. bioRxiv 2020;2020.01.26.919985.
Zhang H, Penninger JM, Li Y, Zhong N, Slutsky AS. Angiotensin-converting enzyme 2 (ACE2) as a SARS-CoV-2 receptor: molecular mechanisms and potential therapeutic target. Intensive Care Med. 2020 Apr;46(4):586-590. doi: 10.1007/s00134-020-05985-9. Epub 2020 Mar 3. No abstract available.
PubMed 32125455Andreeva AV, Kutuzov MA, Voyno-Yasenetskaya TA. Regulation of surfactant secretion in alveolar type II cells. Am J Physiol Lung Cell Mol Physiol. 2007 Aug;293(2):L259-71. doi: 10.1152/ajplung.00112.2007. Epub 2007 May 11.
PubMed 17496061Johnson NJ, Luks AM, Glenny RW. Gas Exchange in the Prone Posture. Respir Care. 2017 Aug;62(8):1097-1110. doi: 10.4187/respcare.05512. Epub 2017 May 30.
PubMed 28559471Galiatsou E, Kostanti E, Svarna E, Kitsakos A, Koulouras V, Efremidis SC, Nakos G. Prone position augments recruitment and prevents alveolar overinflation in acute lung injury. Am J Respir Crit Care Med. 2006 Jul 15;174(2):187-97. doi: 10.1164/rccm.200506-899OC. Epub 2006 Apr 27.
PubMed 16645177Kallet RH. A Comprehensive Review of Prone Position in ARDS. Respir Care. 2015 Nov;60(11):1660-87. doi: 10.4187/respcare.04271.
PubMed 26493592Scholten EL, Beitler JR, Prisk GK, Malhotra A. Treatment of ARDS With Prone Positioning. Chest. 2017 Jan;151(1):215-224. doi: 10.1016/j.chest.2016.06.032. Epub 2016 Jul 8.
PubMed 27400909Guerin C, Reignier J, Richard JC, Beuret P, Gacouin A, Boulain T, Mercier E, Badet M, Mercat A, Baudin O, Clavel M, Chatellier D, Jaber S, Rosselli S, Mancebo J, Sirodot M, Hilbert G, Bengler C, Richecoeur J, Gainnier M, Bayle F, Bourdin G, Leray V, Girard R, Baboi L, Ayzac L; PROSEVA Study Group. Prone positioning in severe acute respiratory distress syndrome. N Engl J Med. 2013 Jun 6;368(23):2159-68. doi: 10.1056/NEJMoa1214103. Epub 2013 May 20.
PubMed 23688302Pickham D, Berte N, Pihulic M, Valdez A, Mayer B, Desai M. Effect of a wearable patient sensor on care delivery for preventing pressure injuries in acutely ill adults: A pragmatic randomized clinical trial (LS-HAPI study). Int J Nurs Stud. 2018 Apr;80:12-19. doi: 10.1016/j.ijnurstu.2017.12.012. Epub 2017 Dec 30.
PubMed 29331656
Study at a glance
From the registry record, last updated by the sponsor on 27 Dec 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Pragmatic Trial Exploring Impact of Patient Positioning in the Management of Patients Infected With COVID-19: Supine vs. Prone
- ClinicalTrials.gov ID
- NCT04359797
- Acronym / sponsor ID
- 200727
- Conditions
- COVID-19
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 501 participants (actual)
- Lead sponsor
- Vanderbilt University Medical CenterUniversity, hospital or other
- Study start
- 27 Apr 2020 (actual)
- Primary completion
- 17 Dec 2020 (actual)
- Study completion
- 17 Jan 2021 (actual)
- First posted
- 24 Apr 2020 (actual)
- Results
- Posted 27 Dec 2021
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study aims to determine if provider-recommended guidance on supine (on back) vs. prone (on stomach) positioning of patients testing positive for COVID-19 requiring supplemental oxygen, but not yet mechanically ventilated, improves outcomes in the inpatient setting. This study will be performed as a pragmatic clinical trial.
Detailed description
Disease Progression and Timing of Intervention The intervention described herein focuses on adjustment of patient positioning aimed at improving gas exchange and lung function in patients harboring COVID-19. This intervention will target the inpatient setting generally.
Scientific/Clinical Rationale for Approach Since emergence of the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) now designated coronavirus disease 2019 (COVID-19), one in six affected patients becomes seriously ill. The lung appears to be the most susceptible target organ, with a large swath of symptomatic patients struggling with mild upper respiratory tract illness and severe viral pneumonia resulting in respiratory failure. This respiratory failure is often fatal, with one study showing 28% non-survivors having experienced respiratory failure. Moreover, 81-97% of patients requiring mechanical ventilation do not survive.
Like its interaction with Severe Acute Respiratory Syndrome (SARS-CoV), angiotensin converting enzyme 2 (ACE2) is the functional receptor for COVID-19. Viral adherence to host-cell membrane associated ACE2 facilitates the proximity required for viral "spike" mediated genetic material injection. In COVID-19, this spike is 10-20 times more likely to bind ACE2 than SARS. ACE2 is expressed in 0.64% of all human lung cells, with 83% of those cells being alveolar epithelial type II. In addition, gene ontology enrichment analysis showed that the ACE2-expressing alveolar epithelial type II have high levels of multiple viral process-related genes, including regulatory genes for viral processes, viral life cycle, viral assembly, and viral genome replication, suggesting that the ACE2-expressing alveolar epithelial type II cells facilitate coronaviral replication in the lung. Thus, these cells likely serve as a ready reservoir for viral invasion. Perhaps more importantly, alveolar type II cells function to generate and recycle surfactant essential to respiratory activity. Surfactant defends against alveolar collapse at low lung volume and protects the lung from injuries/infections caused by inhaled particles and micro-organisms. In COVID-19, if these vital cells are being destroyed, alveolar failure may ensue with severe lung impairment. Thus, interventions that are aimed at improving pressure normalization and alveolar protection may be beneficial in these patients.
Prone positioning (PP) has long been used to combat hypoxemia in acute respiratory distress syndrome (ARDS). Improvements in gas exchange result from improved alveolar ventilation and blood flow redistribution with enhanced perfusion following. PP reduces lung over inflation and bolsters alveolar recruitment. PP also promotes uniformity of vertical pleural pressure gradients resulting in more uniform alveolar size. Considering these physiologic factors together, the investigators hypothesize PP serves to balance stress and strain within the lungs of non-critically ill patients with COVID-19 leading to improved outcomes compared to traditional supine positioning.
Prior Research Supporting the Positioning Model:
Multiple studies have been conducted that support the use of PP as a proactive treatment to combat hypoxemia in ARDS. Each year, approximately 170,000 people are diagnosed with ARDS, and those diagnosed face mortality rates between 25% and 40%. The use of PP stretches back to the 1970s, as providers began to search for ways to ameliorate ARDS symptomatology and reduce the then even higher levels of mortality associated with it. Following initial reports that PP significantly improved oxygenation in 70-80% of patients with ARDS, it was adopted as a standard treatment option. Initially, randomized clinical trials struggled to replicate these findings, citing multiple limitations to study enrollment and treatment standardization that made ascertaining conclusive results difficult. Only as RCT construction has been refined to accommodate for these limitations have the benefits of PP been more clearly demonstrated.
These beneficial effects have been recently upheld by the landmark PROSEVA study, a multicenter, prospective, randomized, controlled trial, that randomly assigned 466 patients with severe ARDS to undergo prone-positioning sessions of at least 16 hours or to be left in the supine position. Their results demonstrated a significant improvement in both 28- and 90-day mortality rates: "the 28-day mortality was 16.0% in the prone group and 32.8% in the supine group (P<0.001). The hazard ratio for death with prone positioning was 0.39 (95% confidence interval [CI], 0.25 to 0.63). Unadjusted 90-day mortality was 23.6% in the prone group versus 41.0% in the supine group (P<0.001), with a hazard ratio of 0.44 (95% CI, 0.29 to 0.67)".
Per these positive findings, PP has been consistently shown to be an effective mechanism to increase oxygenation in patients with ARDS when implemented under the following conditions: early enlisting of treatment and its consistent maintenance for at least 16 hours per day, and with concurrent use of lung-protective therapies. Translating these findings towards treatment of COVID-19 positive patients seems promising given the similarity of manifested symptoms and complications.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
- Model description
- This study will be performed as a pragmatic controlled clinical trial with parallel group assignment.
| Arm | Type | Receives |
|---|---|---|
| Usual Care | Active comparator | Other: Usual CareParticipants randomized to this arm will remain in their natural choice of position, which is anticipated to favor a supine, semi-recumbent position. |
| Prone | Active comparator | Other: ProneParticipants randomized to this arm will be encouraged to lay in a completely prone position for as much time as is tolerable during hospitalization. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- This study will enroll all patients admitted to VUMC who test positive for COVID-19 and require supplemental oxygen, but are not yet mechanically ventilated.
Key exclusion criteria (1 listed)
- Patients admitted on mechanical ventilation will be excluded from enrollment.
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 |
|---|---|---|
| ProneAlso: ProningProvider-recommended guidance on prone positioning of patients | Other | Prone |
| Usual CareNo provider-recommendation, patients will remain in their natural choice of position | Other | Usual Care |
Primary outcome
Number of Participants Categorized on the Modified WHO Ordinal Scale by the Highest Level of Support on Day 5
Time frame: 5 days post-randomization
The highest level of support on the 5th day after enrollment according to the following scale adjusted for patient status at enrollment according to the same scale and ranked by mean FIO2 within each category, as appropriate. * Death * ECMO * Mechanical ventilation (ranked by mean FIO2) * Non-invasive ventilation such as BiPAP (ranked by mean FIO2) * High flow nasal cannula, e.g. Optiflow, Vapotherm or other similar device (titrated by FiO2%) (ranked by mean FIO2) * Standard nasal cannula (titrated by L/min up to 15 L/min) or face mask (ranked by mean FIO2) * Room air
1 secondary outcome
FIO2
Time frame: First 5 days post-randomization
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Dec 2021.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- BackgroundQ&A on coronaviruses (COVID-19) [Internet]. [cited 2020 Mar 24];Available from: https://www.who.int/news-room/q-a-detail/q-a-coronaviruses
- Background: PubMed 32171076Zhou F, Yu T, Du R, Fan G, Liu Y, Liu Z, Xiang J, Wang Y, Song B, Gu X, Guan L, Wei Y, Li H, Wu X, Xu J, Tu S, Zhang Y, Chen H, Cao B. Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study. Lancet. 2020 Mar 28;395(10229):1054-1062. doi: 10.1016/S0140-6736(20)30566-3. Epub 2020 Mar 11.
- Background: PubMed 32105632Yang X, Yu Y, Xu J, Shu H, Xia J, Liu H, Wu Y, Zhang L, Yu Z, Fang M, Yu T, Wang Y, Pan S, Zou X, Yuan S, Shang Y. Clinical course and outcomes of critically ill patients with SARS-CoV-2 pneumonia in Wuhan, China: a single-centered, retrospective, observational study. Lancet Respir Med. 2020 May;8(5):475-481. doi: 10.1016/S2213-2600(20)30079-5. Epub 2020 Feb 24.
- BackgroundFeb 24 SS| NR| CN|, 2020. Study of 72,000 COVID-19 patients finds 2.3% death rate [Internet]. CIDRAP. [cited 2020 Mar 24];Available from: http://www.cidrap.umn.edu/news-perspective/2020/02/study-72000-covid-19-patients-finds-23-death-rate
- Background: PubMed 32015507Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020 Mar;579(7798):270-273. doi: 10.1038/s41586-020-2012-7. Epub 2020 Feb 3.
- Background: PubMed 32075877Wrapp D, Wang N, Corbett KS, Goldsmith JA, Hsieh CL, Abiona O, Graham BS, McLellan JS. Cryo-EM structure of the 2019-nCoV spike in the prefusion conformation. Science. 2020 Mar 13;367(6483):1260-1263. doi: 10.1126/science.abb2507. Epub 2020 Feb 19.
- BackgroundZhao Y, Zhao Z, Wang Y, Zhou Y, Ma Y, Zuo W. Single-cell RNA expression profiling of ACE2, the putative receptor of Wuhan 2019-nCov. bioRxiv 2020;2020.01.26.919985.
- Background: PubMed 32125455Zhang H, Penninger JM, Li Y, Zhong N, Slutsky AS. Angiotensin-converting enzyme 2 (ACE2) as a SARS-CoV-2 receptor: molecular mechanisms and potential therapeutic target. Intensive Care Med. 2020 Apr;46(4):586-590. doi: 10.1007/s00134-020-05985-9. Epub 2020 Mar 3. No abstract available.
- Background: PubMed 17496061Andreeva AV, Kutuzov MA, Voyno-Yasenetskaya TA. Regulation of surfactant secretion in alveolar type II cells. Am J Physiol Lung Cell Mol Physiol. 2007 Aug;293(2):L259-71. doi: 10.1152/ajplung.00112.2007. Epub 2007 May 11.
- Background: PubMed 28559471Johnson NJ, Luks AM, Glenny RW. Gas Exchange in the Prone Posture. Respir Care. 2017 Aug;62(8):1097-1110. doi: 10.4187/respcare.05512. Epub 2017 May 30.
- Background: PubMed 16645177Galiatsou E, Kostanti E, Svarna E, Kitsakos A, Koulouras V, Efremidis SC, Nakos G. Prone position augments recruitment and prevents alveolar overinflation in acute lung injury. Am J Respir Crit Care Med. 2006 Jul 15;174(2):187-97. doi: 10.1164/rccm.200506-899OC. Epub 2006 Apr 27.
- Background: PubMed 26493592Kallet RH. A Comprehensive Review of Prone Position in ARDS. Respir Care. 2015 Nov;60(11):1660-87. doi: 10.4187/respcare.04271.
- Individual participant dataSharing planned: Yes. Individual participant data that underlie the results reported will be made available (including data dictionaries) after de-identification.
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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.
Todd W Rice, MD, MSc principal investigator
Vanderbilt University Medical Center
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Prone in people with COVID-19, run by Vanderbilt University Medical Center at 2 sites 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 1 inclusion and 1 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 27 Dec 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites 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.
Are results available for this study?
Yes. Results are posted in the registry (first posted 27 Dec 2021). 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?
Number of Participants Categorized on the Modified WHO Ordinal Scale by the Highest Level of Support on Day 5 (time frame: 5 days post-randomization). 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 NCT04359797, which also lists 17 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 27 Dec 2021.