Optimering af hjerneilt ved svær TBI, fase 3 (BOOST3)
Brain Oxygen Optimization in Severe TBI (BOOST3): En komparativ effektivitetsundersøgelse til at teste effektiviteten af en ordineret behandlingsprotokol baseret på overvågning af partialtrykket af hjernevævsoxygen.
BOOST3 is a randomized clinical trial to determine the comparative effectiveness of two strategies for monitoring and treating patients with traumatic brain injury (TBI) in the intensive care unit (ICU). The study will determine the safety and efficacy of a strategy guided by treatment goals based on both intracranial pressure (ICP) and brain tissue oxygen (PbtO2) as compared to a strategy guided by treatment goals based on ICP monitoring alone. Both of these alternative strategies are used in standard care. It is unknown if one is more effective than the other. In both strategies the monitoring and goals help doctors adjust treatments including the kinds and doses of medications and the amount of intravenous fluids given, ventilator (breathing machine) settings, need for blood transfusions, and other medical care. The results of this study will help doctors discover if one of these methods is more safe and effective.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
BOOST3 is a randomized clinical trial to determine the comparative effectiveness of two strategies for monitoring and treating patients with traumatic brain injury (TBI) in the intensive care unit (ICU).
When a person has a TBI, their injured brain can swell over a period of hours or days. If the brain swells too much, the pressure in the skull increases and becomes dangerous, causing further injury to the brain. To try to prevent this, doctors usually insert a device, an ICP monitor, into the brain through a hole in the skull of people with severe TBI. An ICP monitor measures the pressure inside the skull. Most doctors agree that it is important to measure and prevent high ICP. Patients with injured brains also suffer additional injury to the brain if the amount of oxygen in the brain gets too low. Some doctors also insert a second device, a PbtO2 monitor, in the brain through the same or a second hole in the skull to measure brain tissue oxygen. A PbtO2 monitor measures how much oxygen is in a small area of the brain near the tip of the monitor. Other doctors think this is unnecessary and unhelpful. Both monitoring devices are approved by the US Food and Drug Administration (FDA) and Health Canada for patients with TBI. Both are commonly used. The ICP and PbtO2 goals guided by these monitors are used to help doctors adjust their treatment choices. Treatments include kinds and doses of medications and the amount of intravenous fluids given, ventilator (breathing machine) settings, need for blood transfusions, and other medical care. Each of these treatment decisions is intended to improve outcomes. However, each treatment decision also involves potential risks. Different treatment decisions may result in different risks. This study will also help doctors better understand these risks. This study is funded by the National Institutes of Health because it answers questions important to the care of patients with TBI.
This study is a two-arm, single-blind, randomized, controlled, phase III, multi-center trial of ICU monitoring and treatment strategies for patients with severe TBI. It will compare the efficacy of ICU care guided by PbtO2 and ICP monitoring versus monitoring of ICP alone in the first 5 days after injury. Only subjects who have severe TBI and require invasive monitoring, according to Brain Trauma Foundation (BTF) and American College of Surgeons-Trauma Quality Improvement (ACS TQIP) guidelines, will be enrolled. All participants in this study will have both ICP monitors and PbtO2 monitors. Half of the participants will be randomized to an arm that includes treatment informed by PbtO2 and ICP, and half will be randomized to an arm that treats only ICP.
The PbtO2 values of those in the ICP only arm will be masked, so that the treating physicians will not be guided by PbtO2 information. Participants in the PbtO2 and ICP arm will have PbtO2 monitored and low measurements treated. Treatments to address physiological goals in both arms will follow a clinical standardization plan. Participants will be followed for 6 months and occurrence of serious adverse events or death will be recorded. Participants will have a follow-up interview to assess their level of recovery approximately 6 months post injury.
To reduce the likelihood of imbalance of important prognostic factors between groups, a covariate-adjusted randomization scheme will be used in this study. Adjustment variables are clinical site and probability of a poor outcome as defined by the IMPACT core model.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Montreal, Canada, H4J 1C5
- CIUSSS-NIM Hopital du Sacre - Coeur de Montreal
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Alberta
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Calgary, Alberta, Canada, T2N 2T9
- University of Calgary - Foothills Medical Centre
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Ontario
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Toronto, Ontario, Canada, M5B 1W8
- St. Michaels Hospital
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California
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Los Angeles, California, Forenede Stater, 90048
- Cedars-Sinai Medical Center
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Los Angeles, California, Forenede Stater, 90095-7436
- Ronald Reagan UCLA Medical Center
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Palo Alto, California, Forenede Stater, 94305
- Stanford University Medical Center
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Sacramento, California, Forenede Stater, 95817
- UC Davis Medical Center
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San Francisco, California, Forenede Stater, 94143
- San Francisco General Hospital
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Colorado
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Aurora, Colorado, Forenede Stater, 80045
- University of Colorado Hospital
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Connecticut
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New Haven, Connecticut, Forenede Stater, 06510
- Yale New Haven Hospital
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Florida
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Gainesville, Florida, Forenede Stater, 32608
- UF Health Shands Hospital
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Georgia
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Atlanta, Georgia, Forenede Stater, 30303
- Grady Memorial Hospital
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Hawaii
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Honolulu, Hawaii, Forenede Stater, 96813
- The Queen's Medical Center
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Illinois
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Chicago, Illinois, Forenede Stater, 60637
- University of Chicago Medical Center
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Indiana
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Indianapolis, Indiana, Forenede Stater, 46260
- St. Vincent Hospital
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Maine
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Portland, Maine, Forenede Stater, 04102
- Maine Medical Center
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Maryland
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Baltimore, Maryland, Forenede Stater, 21287
- Johns Hopkins Hospital
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Baltimore, Maryland, Forenede Stater, 21201
- University of Maryland Medical Center
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Massachusetts
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Boston, Massachusetts, Forenede Stater, 02215
- Beth Israel Deaconess Medical Center
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Boston, Massachusetts, Forenede Stater, 02115
- Brigham and Women's Hospital
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Boston, Massachusetts, Forenede Stater, 02128
- Massachusetts General Hospital
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Worcester, Massachusetts, Forenede Stater, 01655
- UMASS Memorial Medical Center
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Michigan
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Ann Arbor, Michigan, Forenede Stater, 48109
- University of Michigan
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Detroit, Michigan, Forenede Stater, 48201
- Detroit Receiving Hospital
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Detroit, Michigan, Forenede Stater, 48201
- Henry Ford Hospital
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Minnesota
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Saint Paul, Minnesota, Forenede Stater, 55101
- Regions Hospital
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New Jersey
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Camden, New Jersey, Forenede Stater, 08103
- Cooper University Hospital
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New Mexico
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Albuquerque, New Mexico, Forenede Stater, 87131
- University of New Mexico Hospital
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New York
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Flushing, New York, Forenede Stater, 11355
- NewYork-Presbyterian Queens Hospital
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Manhasset, New York, Forenede Stater, 11030
- North Shore University Hospital
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New York, New York, Forenede Stater, 10032
- NYP Columbia University Medical Center
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Rochester, New York, Forenede Stater, 14642
- Strong Memorial Hospital
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Syracuse, New York, Forenede Stater, 13210
- SUNY Upstate Medical University
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The Bronx, New York, Forenede Stater, 10461
- Jacobi Medical Center
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North Carolina
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Chapel Hill, North Carolina, Forenede Stater, 27514
- University of North Carolina Medical Center
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Durham, North Carolina, Forenede Stater, 27710
- Duke University Hospital
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Ohio
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Cincinnati, Ohio, Forenede Stater, 45219
- University of Cincinnati Medical Center
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Columbus, Ohio, Forenede Stater, 43214
- Riverside Methodist Hospital
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Columbus, Ohio, Forenede Stater, 43210
- OSU Wexner Medical Center
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Oregon
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Portland, Oregon, Forenede Stater, 97239
- Oregon Health & Science University Hospital
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Pennsylvania
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Philadelphia, Pennsylvania, Forenede Stater, 19107
- Thomas Jefferson University Hospital
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Philadelphia, Pennsylvania, Forenede Stater, 19104
- Penn Presbyterian Medical Center
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Pittsburgh, Pennsylvania, Forenede Stater, 15212
- UPMC Presbyterian Hospital
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Texas
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Dallas, Texas, Forenede Stater, 75235
- Parkland Hospital
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Houston, Texas, Forenede Stater, 77030
- Ben Taub General Hospital
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San Antonio, Texas, Forenede Stater, 78229
- University of Texas Health Science Center San Antonio
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Utah
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Salt Lake City, Utah, Forenede Stater, 84132
- University of Utah Healthcare
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Virginia
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Richmond, Virginia, Forenede Stater, 23298
- VCU Medical Center
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Washington
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Seattle, Washington, Forenede Stater, 98104
- Harborview Medical Center
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West Virginia
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Morgantown, West Virginia, Forenede Stater, 26506
- WVU Healthcare Ruby Memorial Hospital
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Wisconsin
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Milwaukee, Wisconsin, Forenede Stater, 53226
- Froedtert Hospital
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Non-penetrating traumatic brain injury
- Glasgow Coma Scale (GCS) 3-8 measured off paralytics
- Glasgow Coma Scale motor score < 6 if endotracheally intubated
- Evidence of intracranial trauma on CT scan
- Able to place intracranial probes and randomize within 6 hours of arrival at enrolling hospital
- Able to place intracranial probes and randomize within 12 hours from injury
- Age greater than or equal to 14 years
Exclusion Criteria:
- Non-survivable injury
- Bilaterally absent pupillary response in the absence of paralytic medication
- Contraindication to the placement of intracranial probes
- Treatment of brain tissue oxygen values prior to randomization
- Planned use of devices which may unblind treating physicians to brain tissue hypoxia
- Systemic sepsis at screening
- Refractory hypotension
- Refractory systemic hypoxia
- PaO2/FiO2 ratio < 150
- Known pre-existing neurologic disease with confounding residual neurological deficits
- Known inability to perform activities of daily living (ADL) without assistance prior to injury
- Known active drug or alcohol dependence that, in the opinion of site investigator, would interfere with physiological response to brain tissue oxygen treatments
- Pregnancy
- Prisoner
- On EFIC Opt-Out list as indicated by a bracelet or medical alert
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Aktiv komparator: ICP only
ICP guided management strategy: Care in the ICU of research participants randomized to this arm will be guided by a monitoring and treatment strategy in which doctors try to prevent high intracranial pressure (ICP) caused by a swollen brain. This strategy is one of two alternative strategies that is currently used in standard care of patients with traumatic brain injury. |
In this management strategy, the physiological goal is to avoid ICP from exceeding 22 mm Hg. ICP and PbtO2 are monitored using devices inserted into the brain through a hole in the skull, but PbtO2 is not used to guide care. These devices are approved by the US Food and Drug Administration (FDA) and Health Canada, and are routinely used in patients with severe TBI. Doctors adjust their treatment choices to try to achieve this ICP goal. Treatments include kinds and doses of medications and the amount of intravenous fluids given, ventilator (breathing machine) settings, need for blood transfusions, and other medical care. This management strategy is used to guide care for 5 days in this research study. |
|
Aktiv komparator: ICP + PbtO2
ICP + PbtO2 guided management strategy: Care in the ICU of research participants randomized to this arm will be guided by a monitoring and treatment strategy in which doctors try to prevent high intracranial pressure (ICP), and also try to prevent low PbtO2 (brain tissue oxygen levels). This strategy is one of two alternative strategies that is currently used in standard care of patients with traumatic brain injury. |
In this management strategy, the physiological goal is to avoid ICP from exceeding 22 mm Hg and to avoid PbtO2 dropping below 20 mm Hg. ICP and PbtO2 are monitored using devices inserted into the brain through a hole in the skull. These devices are approved by the US Food and Drug Administration (FDA) and Health Canada for patients with severe TBI. The devices are used in standard care at hospitals participating in this research study. Doctors adjust their treatment choices to try to achieve these ICP and PbtO2 goals. Treatments include kinds and doses of medications and the amount of intravenous fluids given, ventilator (breathing machine) settings, need for blood transfusions, and other medical care. This management strategy is used to guide care for 5 days in this research study. |
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Glasgow Outcome Scale-Extended (GOS-E)
Tidsramme: 6 months
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The Glasgow Outcome Scale-Extended (GOS-E) is a global scale for functional outcome, in which higher scores indicate better outcomes. The GOS-E rates patient status into one of eight categories. A GOS-E score of 1 indicates death, 2 indicates a vegetative state, 3 or 4 indicates severe disability, 5 or 6 indicates moderate disability, and 7 or 8 indicates good recovery. The categories of severe disability, moderate disability and good recovery are subdivided into a lower and upper category. All injury related disabilities are assessed. |
6 months
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Survival
Tidsramme: At discharge from hospital, an average of 19 days
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Survival at discharge from hospital |
At discharge from hospital, an average of 19 days
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Total Brain Hypoxia Exposure
Tidsramme: Inclusive of up to 5 days of study intervention
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The cumulative area on the time versus brain tissue oxygenation (PbtO2) curve in which PbtO2 is less than 20 mmHg. |
Inclusive of up to 5 days of study intervention
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Cognition: Rey Auditory Verbal Learning Test
Tidsramme: 6 months
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A measure of verbal learning and memory. |
6 months
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Cognition: Trail Making Test Part A+B
Tidsramme: 6 months
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A measure of attention, visual-motor tracking and executive functioning. |
6 months
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Emotional Health: Rivermead Post-Concussion Symptom Questionnaire
Tidsramme: 6 months
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A measure of the presence and severity of post-concussion somatic, cognitive, and emotional symptoms. |
6 months
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Emotional Health: Brief Symptom Inventory 18
Tidsramme: 6 months
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A measure of psychological distress and psychiatric disorders. |
6 months
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Emotional Health: Satisfaction with Life Scale
Tidsramme: 6 months
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A measure of global cognitive judgments of one's life satisfaction. |
6 months
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Functional Status Exam
Tidsramme: 6 months
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Change in the activities of every day life as a function of a sudden event or illness |
6 months
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Lori Shutter, MD, University of Pittsburgh, Pittsburgh, PA 15260
- Ledende efterforsker: Ramon Diaz-Arrastia, MD, PhD, University of Pennsylvania, Philadelphia, PA 19104
- Ledende efterforsker: William Barsan, MD, University of Michigan, Ann Arbor, MI 48109
- Ledende efterforsker: Sharon Yeatts, PhD, Medical University of South Carolina, Charleston, SC 29425
Publikationer og nyttige links
Generelle publikationer
- Okonkwo DO, Shutter LA, Moore C, Temkin NR, Puccio AM, Madden CJ, Andaluz N, Chesnut RM, Bullock MR, Grant GA, McGregor J, Weaver M, Jallo J, LeRoux PD, Moberg D, Barber J, Lazaridis C, Diaz-Arrastia RR. Brain Oxygen Optimization in Severe Traumatic Brain Injury Phase-II: A Phase II Randomized Trial. Crit Care Med. 2017 Nov;45(11):1907-1914. doi: 10.1097/CCM.0000000000002619.
- Bernard F, Barsan W, Diaz-Arrastia R, Merck LH, Yeatts S, Shutter LA. Brain Oxygen Optimization in Severe Traumatic Brain Injury (BOOST-3): a multicentre, randomised, blinded-endpoint, comparative effectiveness study of brain tissue oxygen and intracranial pressure monitoring versus intracranial pressure alone. BMJ Open. 2022 Mar 10;12(3):e060188. doi: 10.1136/bmjopen-2021-060188.
- Fiore M, Bogossian E, Creteur J, Oddo M, Taccone FS. Role of brain tissue oxygenation (PbtO2) in the management of subarachnoid haemorrhage: a scoping review protocol. BMJ Open. 2020 Sep 15;10(9):e035521. doi: 10.1136/bmjopen-2019-035521.
- Steinberg A, Case N, Yang Y, Fischhoff B, Callaway CW, Coppler PJ, Barsan WG, Diaz-Arrastia R, Geocadin R, Okonkwo DO, Shutter L, Silbergleit R, Meurer WJ, Yeatts SD, Elmer J. Clinicians' Approaches to Prognostication After Traumatic Brain Injury and Cardiac Arrest: A Multi-Hospital, Qualitative Study. Neurocrit Care. 2026 Aug;45(1):132-141. doi: 10.1007/s12028-026-02452-z. Epub 2026 Feb 12.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- BOOST3
- U01NS099046 (U.S. NIH-bevilling/kontrakt)
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-delingstidsramme
1 year after publication on main outcome results paper
IPD-deling Understøttende informationstype
- STUDY_PROTOCOL
- SAP
- ICF
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