Traumatic Brain InjuryTCECAMNCT02083445
Exercise, Hypoxia and CPC in TBI Patients
A study testing cognitive activities, Exercise program and Muscle electro-stimulation in people with Traumatic Brain Injury, run by University of Barcelona at 1 site in Spain.
Trial summary
Circulating progenitor cells (CPC) treatments may have great potential for the recovery of neurons and brain function. Our group has reported how exposure to intermittent hypobaric hypoxia with superficial muscle electrostimulation is able to increase the concentration of CPC in peripheral blood in humans. Read more about this study
- Who is it for?
- Ages 20 to 60 years, men only
- Conditions the study is for
- Traumatic Brain Injury
- What is being tested?
- cognitive activities, Exercise program and Muscle electro-stimulation
- Type of treatment
- Medical device
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 21 participants
- Where
- 1 siteSpain
- Study dates
- Nov 2011to Feb 2014
- 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 20 to 60 years
- Men only
- No healthy volunteers
- Adult
Who may be able to join
- Patients who suffered severe TBI more than one year previously with physical or psychological sequelae.
- Written informed consent from patient
- Refuse consent
Who cannot join
- Epilepsy
- Any medical or psychological contraindications for implementing the program of physical activity or hypobaric chamber.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Exercise, Muscle Electro-stimulation and Intermittent Hypobaric Hypoxia Program and Circulating Progenitor Cells in Traumatic Brain Injured Patients
Circulating progenitor cells (CPC) treatments may have great potential for the recovery of neurons and brain function. Our group has reported how exposure to intermittent hypobaric hypoxia with superficial muscle electrostimulation is able to increase the concentration of CPC in peripheral blood in humans. Therefore, we believe that through physical activities and exposure to intermittent hypobaric hypoxia for a period, it will increase CPC in the blood of subjects who have suffered a severe Traumatic Brain Injury (TBI) one or more years ago, promoting regeneration and functional and cognitive recovery. The study primary end-point is to improve physical or psychological functioning of participants with TBI with a program of exercise, muscle electro-stimulation (ME) and/or intermittent-hypobaric-hypoxia (IHH). Secondary end-points are to increase and maintain CPC and also to study their possible relationship with physical or psychological improvement of participants with Traumatic Brain Injury (TBI). In order to achieve these objectives investigators have designed a randomized controlled trial that will include those patients who suffered severe TBI more than one year previously with physical or psychological sequelae. Exercise, muscle electro-stimulation (ME) and/or intermittent hypobaric hypoxia (IHH) programs will be applied during twelve weeks. Psychological and physical stress tests will carry out before and after the program and CPC will measure at the beginning, every two weeks, and at the end of the program.
Read the detailed description
Clinical, experimental, case control and prospective study. Inclusion criteria are: patients who suffered severe TBI more than one year previously with physical or psychological sequelae, male sex, and age 20-60 years old. Patients with epilepsy are not included. The study was approved by the institution's Research Ethics Committee and informed consent was obtained from the patients.
A program of three days per week during twelve weeks will be applied to the active groups: one, exercise and muscle electrical stimulation, and the other, exercise, muscle electrical stimulation and IHH chamber exposure. Control group participants will follow a a day of cognitive activities one day per week during 12 weeks.
Psychological and physical stress tests are carried out before and after the program. Psychological tests evaluate features of language and work (verbal memory-RAVLT), Trail Making Test (TMT A and B), Stroop Test, working memory capacity and attention (WAIS III), information processing speed (WAIS III), orientation and verbal fluency (Barcelona test), executive functions (WAIS III and Tower of London tests) and estimated premorbid intelligence index (vocabulary, WAIS III). Reduced Paced Auditory Serial Addition Test (PASAT-G) evaluate work memory components. Physical graded maximum stress tests were performed on a cycle ergometer increasing progressively the workload, in order to evaluate physical capacity and adaptation to different intensities of effort. CPC (CD34+) are measured in peripheral blood according to a previously used method (Viscor et al., 2009), at the beginning, every two weeks, and at the end of the program (blood samples were always obtained before the exercise sessions).
Statistical analysis: data will express as mean, median, standard deviation and interquartile range as appropriate. The continuous variables will compare using the Mann-Whitney U test. Wilcoxon signed rank test and Friedman test are used for repeated measures. All tests will perform using Statistical Package for the Social Sciences (SPSS) v.13. Statistical significance was set at P<0.05.
- Conditions
- Traumatic Brain Injury
- Being tested
- cognitive activities, Exercise program, Muscle electro-stimulation, Intermittent hypobaric hypoxia
- Keywords
- Traumatic brain injury, Exercise, Psychology, Physiology, Progenitor cells, Hypoxia
- Medical subject headings
- Brain Injuries, Traumatic, Motor Activity, Hypoxia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
cognitive activitiesOther
Participants followed a day of cognitive activities 1 day (1 hour/day) per week during 12 weeks.
Exercise programOther
Exercise program of endurance, resistance and proprioception exercises, comprising three sessions per week and muscle electro-stimulation was applied using the Compex Vitality® vascular and capillarization program with electrodes fixed in quadriceps and abdominal muscles or cycling exercise.
Muscle electro-stimulationDevice
A program of intermittent hypobaric hypoxia and muscle electro-stimulation of 3 days (3 hours/day) per week during 12 weeks
Intermittent hypobaric hypoxiaOther
| Study group | Role | What they receive |
|---|---|---|
| Control group | Placebo comparator | Once a week there will be an attendance cognitive session (specific sessions designed to work on aspects related to body perception, movement, space) and the extraction of blood samples will be carried out to determine the progenitor cells on the same day of the active groups. Receives: Other: cognitive activities |
| Exercise group | Active comparator | Patients with past history of TBI will perform exercise sessions two hours three days a week during 12 weeks. The sessions will consist of aerobic, strength, flexibility, proprioception and balance activities and muscle electro-stimulation sessions or cycling sessions. Receives: Other: Exercise program |
| Muscle electro-stimulation and IHH | Active comparator | Patients with past history of TBI will perform a 12 weeks program: intermittent hypobaric hypoxia (IHH) 2 hours at a simulated altitude of 4500 meters 3 days/week. Muscle electro-stimulation for two periods of 20 minutes during the stay in the hypobaric chamber. Receives: Device: Muscle electro-stimulation; Other: Intermittent hypobaric hypoxia |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change from initial physical stress test at one week post-intervention
Physical graded maximum stress tests are performed on a cycle ergometer controlling the workload, in order to evaluate physical capacity and adaptation to different intensities of effort.While performance of these tests are conducted, cardiocirculatory (control of heart rate, blood pressure measurement, continuous ECG) and respiratory (breathing gases analysis) are monitored to observe the adaptation to the effort.
Measured: One week before and an expected average of one week after the intervention
Change from initial psychological test at one weeks after intervention
Psychological tests evaluated features of language and work (verbal memory-RAVLT), Trail Making Test (TMT A and B), Stroop Test, working memory capacity and attention (WAIS III), information processing speed (WAIS III), orientation and verbal fluency (Barcelona test), executive functions (WAIS III and Tower of London tests) and estimated premorbid intelligence index (vocabulary, WAIS III). Reduced Paced Auditory Serial Addition Test (PASAT-G)
Measured: One week before and an average of one week after the intervention
Secondary outcomes (1)
Circulating progenitor cells increase
Blood CD34 staining and flow cytometry assay in accordance with ISHAGE guidelines (Keeney et al., 1998). CD34 cells/µL.
Measured: The day before, every 15 days during the intervention and two weeks after the intervention
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Mar 2014 (estimated)
- Study startNov 2011
- Primary completionDec 2013
- Study completionFeb 2014
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (13)Papers the sponsor has linked to this study.
- Other trials for Traumatic Brain InjuryStudies 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
- Supportive care
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 21 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Barcelona
- Sponsor type
- University, hospital or other
- Collaborators
- Ministerio de Economía y Competitividad, Spain
- Responsible party
- Principal investigator, Luisa Corral, University of Barcelona
- Investigators
- Luisa Corral, MD, PhD, Principal investigator, University of Barcelona and Bellvitge University HospitalCasimiro F Javierre, MD, PhD, Study director, Universiy of BarcelonaGinés Viscor, PhD, Study chair, University of BarcelonaJosep L Ventura, MD, PhD, Study director, Hospital Universitari de Bellvitge
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02083445
- Sponsor's protocol ID
- DEP2010-222005-C02-02
- Other IDs
- AC048-10, PR017/10
- Acronym
- TCECAM
- Status last verified
- Mar 2014
- First submitted
- 1 Mar 2014
- Last updated
- 11 Mar 2014
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Viscor G, Javierre C, Pages T, Ventura JL, Ricart A, Martin-Henao G, Azqueta C, Segura R. Combined intermittent hypoxia and surface muscle electrostimulation as a method to increase peripheral blood progenitor cell concentration. J Transl Med. 2009 Oct 29;7:91. doi: 10.1186/1479-5876-7-91.
PubMed 19874615Corral L, Javierre CF, Ventura JL, Marcos P, Herrero JI, Manez R. Impact of non-neurological complications in severe traumatic brain injury outcome. Crit Care. 2012 Dec 12;16(2):R44. doi: 10.1186/cc11243.
PubMed 22410278Corral L, Ventura JL, Herrero JI, Monfort JL, Juncadella M, Gabarros A, Bartolome C, Javierre CF, Garcia-Huete L. Improvement in GOS and GOSE scores 6 and 12 months after severe traumatic brain injury. Brain Inj. 2007 Nov;21(12):1225-31. doi: 10.1080/02699050701727460.
PubMed 18236198Bennie SD, Petrofsky JS, Nisperos J, Tsurudome M, Laymon M. Toward the optimal waveform for electrical stimulation of human muscle. Eur J Appl Physiol. 2002 Nov;88(1-2):13-9. doi: 10.1007/s00421-002-0711-4. Epub 2002 Sep 10.
PubMed 12436266Bonsignore MR, Morici G, Riccioni R, Huertas A, Petrucci E, Veca M, Mariani G, Bonanno A, Chimenti L, Gioia M, Palange P, Testa U. Hemopoietic and angiogenetic progenitors in healthy athletes: different responses to endurance and maximal exercise. J Appl Physiol (1985). 2010 Jul;109(1):60-7. doi: 10.1152/japplphysiol.01344.2009. Epub 2010 May 6.
PubMed 20448032Driver S, Ede A. Impact of physical activity on mood after TBI. Brain Inj. 2009 Mar;23(3):203-12. doi: 10.1080/02699050802695574.
PubMed 19205956Guo X, Liu L, Zhang M, Bergeron A, Cui Z, Dong JF, Zhang J. Correlation of CD34+ cells with tissue angiogenesis after traumatic brain injury in a rat model. J Neurotrauma. 2009 Aug;26(8):1337-44. doi: 10.1089/neu.2008.0733.
PubMed 19226208Koutroumpi M, Dimopoulos S, Psarra K, Kyprianou T, Nanas S. Circulating endothelial and progenitor cells: Evidence from acute and long-term exercise effects. World J Cardiol. 2012 Dec 26;4(12):312-26. doi: 10.4330/wjc.v4.i12.312.
PubMed 23272272Ploughman M. Exercise is brain food: the effects of physical activity on cognitive function. Dev Neurorehabil. 2008 Jul;11(3):236-40. doi: 10.1080/17518420801997007.
PubMed 18781504Mobius-Winkler S, Hilberg T, Menzel K, Golla E, Burman A, Schuler G, Adams V. Time-dependent mobilization of circulating progenitor cells during strenuous exercise in healthy individuals. J Appl Physiol (1985). 2009 Dec;107(6):1943-50. doi: 10.1152/japplphysiol.00532.2009. Epub 2009 Oct 1.
PubMed 19797690Wang JS, Lee MY, Lien HY, Weng TP. Hypoxic exercise training improves cardiac/muscular hemodynamics and is associated with modulated circulating progenitor cells in sedentary men. Int J Cardiol. 2014 Jan 1;170(3):315-23. doi: 10.1016/j.ijcard.2013.11.005. Epub 2013 Nov 12.
PubMed 24286591Xu Q, Wang S, Jiang X, Zhao Y, Gao M, Zhang Y, Wang X, Tano K, Kanehara M, Zhang W, Ishida T. Hypoxia-induced astrocytes promote the migration of neural progenitor cells via vascular endothelial factor, stem cell factor, stromal-derived factor-1alpha and monocyte chemoattractant protein-1 upregulation in vitro. Clin Exp Pharmacol Physiol. 2007 Jul;34(7):624-31. doi: 10.1111/j.1440-1681.2007.04619.x.
PubMed 17581219Zhu LL, Zhao T, Li HS, Zhao H, Wu LY, Ding AS, Fan WH, Fan M. Neurogenesis in the adult rat brain after intermittent hypoxia. Brain Res. 2005 Sep 7;1055(1-2):1-6. doi: 10.1016/j.brainres.2005.04.075.
PubMed 16098951
Study at a glance
From the registry record, last updated by the sponsor on 11 Mar 2014. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Exercise, Muscle Electro-stimulation and Intermittent Hypobaric Hypoxia Program and Circulating Progenitor Cells in Traumatic Brain Injured Patients
- ClinicalTrials.gov ID
- NCT02083445
- Acronym / sponsor ID
- TCECAM / DEP2010-222005-C02-02
- Conditions
- Traumatic Brain Injury
- Keywords
- Traumatic brain injury, Exercise, Psychology, Physiology, Progenitor cells, Hypoxia
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 21 participants (actual)
- Lead sponsor
- University of BarcelonaUniversity, hospital or other
- Collaborators
- Ministerio de Economía y Competitividad, Spain
- Study start
- Nov 2011
- Primary completion
- Dec 2013 (actual)
- Study completion
- Feb 2014 (actual)
- First posted
- 11 Mar 2014 (estimated)
- 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.
Circulating progenitor cells (CPC) treatments may have great potential for the recovery of neurons and brain function. Our group has reported how exposure to intermittent hypobaric hypoxia with superficial muscle electrostimulation is able to increase the concentration of CPC in peripheral blood in humans. Therefore, we believe that through physical activities and exposure to intermittent hypobaric hypoxia for a period, it will increase CPC in the blood of subjects who have suffered a severe Traumatic Brain Injury (TBI) one or more years ago, promoting regeneration and functional and cognitive recovery. The study primary end-point is to improve physical or psychological functioning of participants with TBI with a program of exercise, muscle electro-stimulation (ME) and/or intermittent-hypobaric-hypoxia (IHH). Secondary end-points are to increase and maintain CPC and also to study their possible relationship with physical or psychological improvement of participants with Traumatic Brain Injury (TBI). In order to achieve these objectives investigators have designed a randomized controlled trial that will include those patients who suffered severe TBI more than one year previously with physical or psychological sequelae. Exercise, muscle electro-stimulation (ME) and/or intermittent hypobaric hypoxia (IHH) programs will be applied during twelve weeks. Psychological and physical stress tests will carry out before and after the program and CPC will measure at the beginning, every two weeks, and at the end of the program.
Detailed description
Clinical, experimental, case control and prospective study. Inclusion criteria are: patients who suffered severe TBI more than one year previously with physical or psychological sequelae, male sex, and age 20-60 years old. Patients with epilepsy are not included. The study was approved by the institution's Research Ethics Committee and informed consent was obtained from the patients.
A program of three days per week during twelve weeks will be applied to the active groups: one, exercise and muscle electrical stimulation, and the other, exercise, muscle electrical stimulation and IHH chamber exposure. Control group participants will follow a a day of cognitive activities one day per week during 12 weeks.
Psychological and physical stress tests are carried out before and after the program. Psychological tests evaluate features of language and work (verbal memory-RAVLT), Trail Making Test (TMT A and B), Stroop Test, working memory capacity and attention (WAIS III), information processing speed (WAIS III), orientation and verbal fluency (Barcelona test), executive functions (WAIS III and Tower of London tests) and estimated premorbid intelligence index (vocabulary, WAIS III). Reduced Paced Auditory Serial Addition Test (PASAT-G) evaluate work memory components. Physical graded maximum stress tests were performed on a cycle ergometer increasing progressively the workload, in order to evaluate physical capacity and adaptation to different intensities of effort. CPC (CD34+) are measured in peripheral blood according to a previously used method (Viscor et al., 2009), at the beginning, every two weeks, and at the end of the program (blood samples were always obtained before the exercise sessions).
Statistical analysis: data will express as mean, median, standard deviation and interquartile range as appropriate. The continuous variables will compare using the Mann-Whitney U test. Wilcoxon signed rank test and Friedman test are used for repeated measures. All tests will perform using Statistical Package for the Social Sciences (SPSS) v.13. Statistical significance was set at P<0.05.
Study design
- Primary purpose
- Supportive care
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Control group | Placebo comparator | Other: cognitive activitiesOnce a week there will be an attendance cognitive session (specific sessions designed to work on aspects related to body perception, movement, space) and the extraction of blood samples will be carried out to determine the progenitor cells on the same day of the active groups. |
| Exercise group | Active comparator | Other: Exercise programPatients with past history of TBI will perform exercise sessions two hours three days a week during 12 weeks. The sessions will consist of aerobic, strength, flexibility, proprioception and balance activities and muscle electro-stimulation sessions or cycling sessions. |
| Muscle electro-stimulation and IHH | Active comparator | Device: Muscle electro-stimulation, Other: Intermittent hypobaric hypoxiaPatients with past history of TBI will perform a 12 weeks program: intermittent hypobaric hypoxia (IHH) 2 hours at a simulated altitude of 4500 meters 3 days/week. Muscle electro-stimulation for two periods of 20 minutes during the stay in the hypobaric chamber. |
Who may qualify
- Ages
- 20 to 60 years
- Sex
- Male only
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (3 listed)
- Patients who suffered severe TBI more than one year previously with physical or psychological sequelae.
- Written informed consent from patient
- Refuse consent
Key exclusion criteria (2 listed)
- Epilepsy
- Any medical or psychological contraindications for implementing the program of physical activity or hypobaric chamber.
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 |
|---|---|---|
| cognitive activitiesParticipants followed a day of cognitive activities 1 day (1 hour/day) per week during 12 weeks. | Other | Control group |
| Exercise programExercise program of endurance, resistance and proprioception exercises, comprising three sessions per week and muscle electro-stimulation was applied using the Compex Vitality® vascular and capillarization program with electrodes fixed in quadriceps and abdominal muscles or cycling exercise. | Other | Exercise group |
| Muscle electro-stimulationA program of intermittent hypobaric hypoxia and muscle electro-stimulation of 3 days (3 hours/day) per week during 12 weeks | Device | Muscle electro-stimulation and IHH |
| Intermittent hypobaric hypoxia | Other | Muscle electro-stimulation and IHH |
Primary outcome
Change from initial physical stress test at one week post-intervention
Time frame: One week before and an expected average of one week after the intervention
Physical graded maximum stress tests are performed on a cycle ergometer controlling the workload, in order to evaluate physical capacity and adaptation to different intensities of effort.While performance of these tests are conducted, cardiocirculatory (control of heart rate, blood pressure measurement, continuous ECG) and respiratory (breathing gases analysis) are monitored to observe the adaptation to the effort.
Change from initial psychological test at one weeks after intervention
Time frame: One week before and an average of one week after the intervention
Psychological tests evaluated features of language and work (verbal memory-RAVLT), Trail Making Test (TMT A and B), Stroop Test, working memory capacity and attention (WAIS III), information processing speed (WAIS III), orientation and verbal fluency (Barcelona test), executive functions (WAIS III and Tower of London tests) and estimated premorbid intelligence index (vocabulary, WAIS III). Reduced Paced Auditory Serial Addition Test (PASAT-G)
1 secondary outcome
Circulating progenitor cells increase
Time frame: The day before, every 15 days during the intervention and two weeks after the intervention
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Mar 2014.
- Background: PubMed 19874615Viscor G, Javierre C, Pages T, Ventura JL, Ricart A, Martin-Henao G, Azqueta C, Segura R. Combined intermittent hypoxia and surface muscle electrostimulation as a method to increase peripheral blood progenitor cell concentration. J Transl Med. 2009 Oct 29;7:91. doi: 10.1186/1479-5876-7-91.
- Background: PubMed 22410278Corral L, Javierre CF, Ventura JL, Marcos P, Herrero JI, Manez R. Impact of non-neurological complications in severe traumatic brain injury outcome. Crit Care. 2012 Dec 12;16(2):R44. doi: 10.1186/cc11243.
- Background: PubMed 18236198Corral L, Ventura JL, Herrero JI, Monfort JL, Juncadella M, Gabarros A, Bartolome C, Javierre CF, Garcia-Huete L. Improvement in GOS and GOSE scores 6 and 12 months after severe traumatic brain injury. Brain Inj. 2007 Nov;21(12):1225-31. doi: 10.1080/02699050701727460.
- Background: PubMed 12436266Bennie SD, Petrofsky JS, Nisperos J, Tsurudome M, Laymon M. Toward the optimal waveform for electrical stimulation of human muscle. Eur J Appl Physiol. 2002 Nov;88(1-2):13-9. doi: 10.1007/s00421-002-0711-4. Epub 2002 Sep 10.
- Background: PubMed 20448032Bonsignore MR, Morici G, Riccioni R, Huertas A, Petrucci E, Veca M, Mariani G, Bonanno A, Chimenti L, Gioia M, Palange P, Testa U. Hemopoietic and angiogenetic progenitors in healthy athletes: different responses to endurance and maximal exercise. J Appl Physiol (1985). 2010 Jul;109(1):60-7. doi: 10.1152/japplphysiol.01344.2009. Epub 2010 May 6.
- Background: PubMed 19205956Driver S, Ede A. Impact of physical activity on mood after TBI. Brain Inj. 2009 Mar;23(3):203-12. doi: 10.1080/02699050802695574.
- Background: PubMed 19226208Guo X, Liu L, Zhang M, Bergeron A, Cui Z, Dong JF, Zhang J. Correlation of CD34+ cells with tissue angiogenesis after traumatic brain injury in a rat model. J Neurotrauma. 2009 Aug;26(8):1337-44. doi: 10.1089/neu.2008.0733.
- Background: PubMed 23272272Koutroumpi M, Dimopoulos S, Psarra K, Kyprianou T, Nanas S. Circulating endothelial and progenitor cells: Evidence from acute and long-term exercise effects. World J Cardiol. 2012 Dec 26;4(12):312-26. doi: 10.4330/wjc.v4.i12.312.
- Background: PubMed 18781504Ploughman M. Exercise is brain food: the effects of physical activity on cognitive function. Dev Neurorehabil. 2008 Jul;11(3):236-40. doi: 10.1080/17518420801997007.
- Background: PubMed 19797690Mobius-Winkler S, Hilberg T, Menzel K, Golla E, Burman A, Schuler G, Adams V. Time-dependent mobilization of circulating progenitor cells during strenuous exercise in healthy individuals. J Appl Physiol (1985). 2009 Dec;107(6):1943-50. doi: 10.1152/japplphysiol.00532.2009. Epub 2009 Oct 1.
- Background: PubMed 24286591Wang JS, Lee MY, Lien HY, Weng TP. Hypoxic exercise training improves cardiac/muscular hemodynamics and is associated with modulated circulating progenitor cells in sedentary men. Int J Cardiol. 2014 Jan 1;170(3):315-23. doi: 10.1016/j.ijcard.2013.11.005. Epub 2013 Nov 12.
- Background: PubMed 17581219Xu Q, Wang S, Jiang X, Zhao Y, Gao M, Zhang Y, Wang X, Tano K, Kanehara M, Zhang W, Ishida T. Hypoxia-induced astrocytes promote the migration of neural progenitor cells via vascular endothelial factor, stem cell factor, stromal-derived factor-1alpha and monocyte chemoattractant protein-1 upregulation in vitro. Clin Exp Pharmacol Physiol. 2007 Jul;34(7):624-31. doi: 10.1111/j.1440-1681.2007.04619.x.
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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.
Luisa Corral, MD, PhD principal investigator
University of Barcelona and Bellvitge University Hospital
Casimiro F Javierre, MD, PhD study director
Universiy of Barcelona
Ginés Viscor, PhD study chair
University of Barcelona
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing cognitive activities, Exercise program and Muscle electro-stimulation in people with Traumatic Brain Injury, run by University of Barcelona at 1 site in Spain.
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 3 inclusion and 2 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 11 Mar 2014. 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 Spain. 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
Change from initial physical stress test at one week post-intervention (time frame: One week before and an expected average of one week after the intervention). The study lists 2 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 NCT02083445, which also lists 13 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 11 Mar 2014.