University of Texas Medical Branch
Galveston, Texas, 77555, United States
NCT Number: NCT03554265
Patients with a history of mild traumatic brain injury (mTBI) or post acute sequelae of SARS-CoV-2 (PASC) and abnormal growth hormone secretion, as measured by glucagon stimulation test, will be treated with replacement growth hormone therapy for a period of 6 months (mTBI) or 9 months (PASC). Testing of cognition, exercise, fatigue, brain activation and morphology, body composition and measurements of quality of life will be performed before and after the treatment period. Fecal sampling for characterization of the GI microbiome will occur monthly over the treatment period. Control subjects will be enrolled and will provide fecal samples monthly for 6 months. GI microbiomes will be compared between mTBI patients, PASC patients and controls at baseline as well as over the treatment period.
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Notify Me18 year–70 year
All sexes
Interventional
Phase 3
Galveston, Texas, 77555, United States
The investigators will study subjects (aged 18-70 years) with a history of mild TBI (n=25), post-acute sequelae of SARS-CoV-2 (PASC) (n=25)and healthy controls (n=25). mTBI subjects will undergo a 6-month intervention of rhGH therapy. PASC subjects will undergo a 9-month intervention of rhGH therapy. Controls will be asked to participate in questionnaires, blood draws (amino acid analysis), and fecal sampling (GI microbiome analysis). Controls will not receive any growth hormone treatment.
mTBI group
All patients presenting with a prior mTBI will undergo a phone pre-screen including the Brief Fatigue Inventory (BFI) questions 1-3. If they score ≥ 3 on any BFI questions 1-3, and are interested in participating in the study, they will be scheduled for a formal consenting and medical screening at the UTMB Clinical Research Center (CRC). During the medical screening, eligibility will be confirmed and a glucagon stimulation test (GST) will be performed. A glucagon stimulation with a growth hormone peak of <10 ng/mL is required to qualify for enrollment.
PASC group
All patients presenting with PASC will undergo a phone pre-screen including the Brief Fatigue Inventory (BFI) questions 1-3. If they score ≥ 3 on any BFI questions 1-3, and are interested in participating in the study, they will be scheduled for a formal consenting and medical screening at the UTMB Clinical Research Center (CRC). During the medical screening, eligibility will be confirmed and a glucagon stimulation test (GST) will be performed. A glucagon stimulation with a growth hormone peak of <10 ng/mL is required to qualify for enrollment.
Control group
All controls will undergo a phone pre-screen and if interested in participating in the study, will be scheduled for a formal consenting and medical screening at the UTMB Clinical Research Center (CRC).
Experimental Protocol.
mTBI Group
Before and at completion (month 6) of the rhGH intervention, mTBI subjects will report to the UTMB Institute for Translational Sciences (ITS) Clinical Research Center (CRC) for testing, which will consist of cognitive function assessment (MoCA), determination of brain morphology and connectivity using fMRI, determination of lean mass and fat mass using DEXA, resting energy expenditure, functional testing including leg strength and 6 minute walk test, fatigue measurements, and questionnaires of mood and quality of life, gastrointestinal health, sleep, and food preferences. Blood sampling for measurement of amino acid levels, hormones, and metabolites will be drawn before and 90 minutes (+/- 10 minutes) after a standardized meal. In addition, fecal samples for analysis of the GI microbiome will be collected monthly for the duration of the study. Insulin Growth Factor 1 (IGF-1) levels will monitored at a month 1 safety visit for all mTBI subjects. The month 1 safety visit will occur +/- 5 days from the expected date based on the baseline study visit. The monthly fecal sampling will occur +/- 7 days from the expected date based on the baseline study visit. The month 6 post study will occur +/- 7 days from the expected date based on the baseline study visit. A member of the study team will contact the subject each month to coordinate fecal sample transport to UTMB, check for adverse events and overall well-being, and ensure compliance and ongoing consent.
PASC Group
Before and at month 6 of the rhGH intervention, PASC subjects will report to the UTMB Institute for Translational Sciences (ITS) Clinical Research Center (CRC) for testing, which will consist of cognitive function assessment (MoCA), determination of lean mass and fat mass using DEXA, resting energy expenditure, functional testing including leg strength and 6 minute walk test, fatigue measurements, and questionnaires of mood and quality of life, gastrointestinal health, sleep, and food preferences. Blood sampling for measurement of amino acid levels, hormones, and metabolites will be drawn before and 90 minutes (+/- 10 minutes) after a standardized meal. In addition, fecal samples for analysis of the GI microbiome will be collected monthly for the duration of the study. Insulin Growth Factor 1 (IGF-1) levels will monitored at a month 1 safety visit for all mTBI subjects. The month 1 safety visit will occur +/- 5 days from the expected date based on the baseline study visit. The monthly fecal sampling will occur +/- 7 days from the expected date based on the baseline study visit. The month 6 post study will occur +/- 7 days from the expected date based on the baseline study visit. PASC subjects will continue on rhGH treatment for an additional 3 months. GI microbiome sampling and questionnaires will occur at month 9 and month 12. PASC subjects will have an repeat glucagon stimulation test (GST) to determine growth hormone status at month 12. A member of the study team will contact the subject each month to coordinate fecal sample transport to UTMB, check for adverse events and overall well-being, and ensure compliance and ongoing consent.
Control group
Before and at month 6, controls will report to the UTMB Institute for Translational Sciences (ITS) Clinical Research Center (CRC) for testing, which will consist of questionnaires of food preferences and gastrointestinal health and blood sampling for measurement of amino acid levels, hormones, and metabolites which will be drawn before and 90 minutes (+/ 10 minutes) after a standardized meal. In addition, fecal samples for the analysis of the GI microbiome will be collected monthly for the duration of the study, as well as questionnaire assessing gastrointestinal health. The monthly fecal sampling will occur +/- 7 days from the expected date based on the baseline study visit. The post study (month 6) will occur +/- 7 days from the expected date based on the baseline study visit. A member of the study team will contact the subject each month to coordinate fecal sample transport to UTMB, check for adverse events and overall well-being, and ensure compliance and ongoing consent.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
mTBI Inclusion criteria
mTBI Exclusion criteria
Control Inclusion criteria
Control Exclusion criteria
PASC Inclusion criteria
PASC Exclusion criteria
Genotropin given by injection
Other names: Genotropin
Time frame: baseline
Lean body mass will be measured in mTBI and PASC subjects by GE Lunar iDEXA at baseline.
Time frame: 6 months
Lean body mass will be measured in mTBI and PASC subjects by GE Lunar iDEXA after 6 months of growth hormone treatment.
Time frame: baseline
Fat mass will be measured in mTBI and PASC subjects by GE Lunar iDEXA at baseline.
Time frame: 6 months
Fat mass will be measured in mTBI and PASC subjects by GE Lunar iDEXA after 6 months of growth hormone treatment.
Time frame: baseline
Resting Energy Expenditure will be measured by capturing the expired breath of mTBI and PASC subjects while at rest with a metabolic cart over a 30 minute time period. Data will be reported as kilocalories/day.
Time frame: 6 months
Resting Energy Expenditure will be measured by capturing the expired breath of mTBI and PASC subjects while at rest with a metabolic cart over a 30 minute time period. Data will be reported as kilocalories/day. This will be measured after 6 months of growth hormone treatment in mTBI and PASC subjects only.
Time frame: baseline
The Montreal Cognitive Assessment (MoCA) will be used to assess cognition at baseline in mTBI and PASC subjects only.
The Montreal Cognitive Assessment (MoCA) is a rapid assessment of cognition. The MoCA consists of 9 questions with the following subcategories: visuospatial/executive, naming, memory, language, abstraction, delayed recall and orientation. The MoCA has been used extensively to detect cognitive impairment in many conditions, including head trauma. Version 7.1 will be used at the Month 0 testing and Version 7.2 will be used at the Month 6 testing. Scores range from 0 to 30, higher score being a better outcome.
Time frame: 6 months
The Montreal Cognitive Assessment (MoCA) will be used to assess cognition after 6 months of growth hormone treatment in mTBI and PASC subjects only.
The Montreal Cognitive Assessment (MoCA) is a rapid assessment of cognition. The MoCA consists of 9 questions with the following subcategories: visuospatial/executive, naming, memory, language, abstraction, delayed recall and orientation. The MoCA has been used extensively to detect cognitive impairment in many conditions, including head trauma. Version 7.1 will be used at the Month 0 testing and Version 7.2 will be used at the Month 6 testing. Scores range from 0 to 30, higher score being a better outcome.
Time frame: baseline
The Brief Fatigue Inventory is a 9 item questionnaire that assesses perceptual fatigue as well as fatigue interferences (e.g. interference with enjoyment of life), with "0" being no fatigue and "10" being as bad as you can imagine. The Global Fatigue score is calculated by averaging the answers of all the questions. Brief Fatigue Inventory is measured in mTBI and PASC subjects at baseline.
Time frame: 6 months
The Brief Fatigue Inventory is a 9 item questionnaire that assesses perceptual fatigue as well as fatigue interferences (e.g. interference with enjoyment of life), with "0" being no fatigue and "10" being as bad as you can imagine. The Global Fatigue score is calculated by averaging the answers of all the questions. Brief Fatigue Inventory is measured in mTBI and PASC subjects after 6 months of growth hormone treatment.
Time frame: 9 months
The Brief Fatigue Inventory is a 9 item questionnaire that assesses perceptual fatigue as well as fatigue interferences (e.g. interference with enjoyment of life), with "0" being no fatigue and "10" being as bad as you can imagine. The Global Fatigue score is calculated by averaging the answers of all the questions. Brief Fatigue Inventory is measured in PASC subjects after 9 months of growth hormone treatment.
Time frame: 12 months
The Brief Fatigue Inventory is a 9 item questionnaire that assesses perceptual fatigue as well as fatigue interferences (e.g. interference with enjoyment of life), with "0" being no fatigue and "10" being as bad as you can imagine. The Global Fatigue score is calculated by averaging the answers of all the questions. Brief Fatigue Inventory is measured in PASC subjects after 9 months of growth hormone treatment and 3 months off treatment (total time: 12 months).
Time frame: baseline
Multidimensional Fatigue Symptom Inventory Short Form (MFSI-SF) from the Moffitt Cancer Center, University of South Florida The MFSI-SF is a 30 question assessment designed to assess the principal manifestations of fatigue.
There 5 subscales used to calculate a total score. The subscales are: General Fatigue, Physical Fatigue, Emotional Fatigue, Mental Fatigue, and Vigor (an estimate of the patient's energy level). The total score is calculated with the equation: (general + physical + emotional + mental) - vigor = total score.
The range of the total score is -24 to 96, with the higher the number meaning more fatigue.
The MFSI is measured at baseline.
Time frame: 6 months
Multidimensional Fatigue Symptom Inventory Short Form (MFSI-SF) from the Moffitt Cancer Center, University of South Florida The MFSI-SF is a 30 question assessment designed to assess the principal manifestations of fatigue.
There 5 subscales used to calculate a total score. The subscales are: General Fatigue, Physical Fatigue, Emotional Fatigue, Mental Fatigue, and Vigor (an estimate of the patient's energy level). The total score is calculated with the equation: (general + physical + emotional + mental) - vigor = total score.
The range of the total score is -24 to 96, with the higher the number meaning more fatigue.
The MFSI is measured after 6 months of growth hormone treatment.
Time frame: 9 months
Multidimensional Fatigue Symptom Inventory Short Form (MFSI-SF) from the Moffitt Cancer Center, University of South Florida The MFSI-SF is a 30 question assessment designed to assess the principal manifestations of fatigue.
There 5 subscales used to calculate a total score. The subscales are: General Fatigue, Physical Fatigue, Emotional Fatigue, Mental Fatigue, and Vigor (an estimate of the patient's energy level). The total score is calculated with the equation: (general + physical + emotional + mental) - vigor = total score.
The range of the total score is -24 to 96, with the higher the number meaning more fatigue.
The MFSI is measured after 9 months of growth hormone treatment in PASC subjects only.
Time frame: 12 months
Multidimensional Fatigue Symptom Inventory Short Form (MFSI-SF) from the Moffitt Cancer Center, University of South Florida The MFSI-SF is a 30 question assessment designed to assess the principal manifestations of fatigue.
There 5 subscales used to calculate a total score. The subscales are: General Fatigue, Physical Fatigue, Emotional Fatigue, Mental Fatigue, and Vigor (an estimate of the patient's energy level). The total score is calculated with the equation: (general + physical + emotional + mental) - vigor = total score.
The range of the total score is -24 to 96, with the higher the number meaning more fatigue.
The MFSI is measured after 9 months of growth hormone treatment and then 3 months without treatment (total 12 months) in PASC subjects only.
Time frame: baseline
The Gastrointestinal Symptom Rating Scale (GSRS) is a specific 15-item questionnaire. Subjects are asked to numerically score their subjective symptoms on a scale of 1-7 (1 = no discomfort at all; 7 = very severe discomfort) . The average of the scores for all 15 items is regarded as the GSRS total score. Total scores range from 1 (best outcome) to 75 (worst outcome). GSRS will be measured monthly at baseline mTBI, PASC and control subjects.
Time frame: 6 months
The Gastrointestinal Symptom Rating Scale (GSRS) is a specific 15-item questionnaire. Subjects are asked to numerically score their subjective symptoms on a scale of 1-7 (1 = no discomfort at all; 7 = very severe discomfort) . The average of the scores for all 15 items is regarded as the GSRS total score. Total scores range from 1 (best outcome) to 7 (worst outcome). GSRS will be measured monthly in all subjects.
Time frame: 9 months
The Gastrointestinal Symptom Rating Scale (GSRS) is a specific 15-item questionnaire. Subjects are asked to numerically score their subjective symptoms on a scale of 1-7 (1 = no discomfort at all; 7 = very severe discomfort) . The average of the scores for all 15 items is regarded as the GSRS total score. Total scores range from 1 (best outcome) to 7 (worst outcome). GSRS will be measured in month 9 in PASC subjects only.
Time frame: 12 months
The Gastrointestinal Symptom Rating Scale (GSRS) is a specific 15-item questionnaire. Subjects are asked to numerically score their subjective symptoms on a scale of 1-7 (1 = no discomfort at all; 7 = very severe discomfort) . The average of the scores for all 15 items is regarded as the GSRS total score. Total scores range from 1 (best outcome) to 7 (worst outcome). GSRS will be measured in month 12 in PASC subjects only.
Time frame: baseline
Profile of Mood States (POMS) is a questionnaire by MultiHealth Systems, that measures mood. In this 65 item questionnaire, subjects are asked to rate their feelings toward a statement from 0-4, with 0 being "not at all' and 4 being "extremely". There are 6 subscales which include, tension-anxiety, depression, anger-hostility, vigor, fatigue, and confusion. To calculate the total mood disturbance, which is what is reported here, the subscales tension-anxiety, depression, anger-hostility, fatigue and confusion are summed and vigor is subtracted. The scale range for total mood disturbance is 200 (worst) to -32 (best). POMS will be measured at baseline in mTBI and PASC subjects only.
Time frame: 6 months
Profile of Mood States (POMS) is a questionnaire by MultiHealth Systems, that measures mood. In this 65 item questionnaire, subjects are asked to rate their feelings toward a statement from 0-4, with 0 being "not at all' and 4 being "extremely". There are 6 subscales which include, tension-anxiety, depression, anger-hostility, vigor, fatigue, and confusion. To calculate the total mood disturbance, which is what is reported here, the subscales tension-anxiety, depression, anger-hostility, fatigue and confusion are summed and vigor is subtracted. The scale range for total mood disturbance is 200 (worst) to -32 (best). POMS will be measured after 6 months of treatment with Growth hormone in mTBI and PASC subjects only.
Time frame: 9 months
Profile of Mood States (POMS) is a questionnaire by MultiHealth Systems, that measures mood. In this 65 item questionnaire, subjects are asked to rate their feelings toward a statement from 0-4, with 0 being "not at all' and 4 being "extremely". There are 6 subscales which include, tension-anxiety, depression, anger-hostility, vigor, fatigue, and confusion. To calculate the total mood disturbance, which is what is reported here, the subscales tension-anxiety, depression, anger-hostility, fatigue and confusion are summed and vigor is subtracted. The scale range for total mood disturbance is 200 (worst) to -32 (best). POMS will be measured after 9 months of treatment with Growth hormone in PASC subjects only.
Time frame: 12 months
Profile of Mood States (POMS) is a questionnaire by MultiHealth Systems, that measures mood. In this 65 item questionnaire, subjects are asked to rate their feelings toward a statement from 0-4, with 0 being "not at all' and 4 being "extremely". There are 6 subscales which include, tension-anxiety, depression, anger-hostility, vigor, fatigue, and confusion. To calculate the total mood disturbance, which is what is reported here, the subscales tension-anxiety, depression, anger-hostility, fatigue and confusion are summed and vigor is subtracted. The scale range for total mood disturbance is 200 (worst) to -32 (best). POMS will be measured after 9 months of treatment with Growth hormone treatment and 3 months without treatment (total 12 months) in PASC subjects only.
Time frame: baseline
Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1 month-time interval. Minimum Score = 0 (better); Maximum Score = 21 (worse). Interpretation: Total < 5 associated with good sleep quality. Total > 5 associated with poor sleep quality. PSQI will be measured at baseline in mTBI and PASC subjects only.
Time frame: 6 months
Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1 month-time interval. Minimum Score = 0 (better); Maximum Score = 21 (worse). Interpretation: Total < 5 associated with good sleep quality. Total > 5 associated with poor sleep quality. PSQI will be measured after 6 months of treatment with growth hormone in mTBI and PASC subjects only.
Time frame: 9 months
Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1 month-time interval. Minimum Score = 0 (better); Maximum Score = 21 (worse). Interpretation: Total < 5 associated with good sleep quality. Total > 5 associated with poor sleep quality. PSQI will be measured after 9 months of treatment with growth hormone in PASC subjects only.
Time frame: 12 months
Pittsburgh Sleep Quality Index (PSQI) is a self-rated questionnaire which assesses sleep quality and disturbances over a 1 month-time interval. Minimum Score = 0 (better); Maximum Score = 21 (worse). Interpretation: Total < 5 associated with good sleep quality. Total > 5 associated with poor sleep quality. PSQI will be measured after 9 months of treatment with growth hormone and 3 months without treatment (total 12 months) in PASC subjects only.
Time frame: baseline
Symptoms of growth hormone deficiency will be measured in mTBI and PASC subjects using the Quality of Life - Assessment of Growth Hormone Deficiency in Adults (QoL-AGHDA). This 25-item questionnaire measures specific symptoms associated with growth hormone deficiency, with a score range of 0 to 25, with a higher score indicating worse symptoms. The QoL-ADGHA will be measured at baseline in mTBI and PASC subjects only.
Time frame: 6 months
Symptoms of growth hormone deficiency will be measured in mTBI and PASC subjects using the Quality of Life - Assessment of Growth Hormone Deficiency in Adults (QoL-AGHDA). This 25-item questionnaire measures specific symptoms associated with growth hormone deficiency, with a score range of 0 to 25, with a higher score indicating worse symptoms. The QoL-ADGHA will be measured after 6 months of growth hormone treatment in mTBI and PASC subjects only.
Time frame: 9 months
Symptoms of growth hormone deficiency will be measured in PASC subjects using the Quality of Life - Assessment of Growth Hormone Deficiency in Adults (QoL-AGHDA). This 25-item questionnaire measures specific symptoms associated with growth hormone deficiency, with a score range of 0 to 25, with a higher score indicating worse symptoms. The QoL-ADGHA will be measured after 9 months of growth hormone treatment in PASC subjects only.
Time frame: 12 months
Symptoms of growth hormone deficiency will be measured in PASC subjects using the Quality of Life - Assessment of Growth Hormone Deficiency in Adults (QoL-AGHDA). This 25-item questionnaire measures specific symptoms associated with growth hormone deficiency, with a score range of 0 to 25, with a higher score indicating worse symptoms. The QoL-ADGHA will be measured after 9 months of growth hormone treatment and then 3 months without treatment (total 12 months) in PASC subjects only.
Time frame: baseline
The Beck Depression Inventory- II assesses depressive symptom severity. The BDI-II is comprised of 21 individual items reflecting specific cognitive, affective, and physical symptoms of depression. Each item includes four statements that vary in the description of symptom of severity. Scores range from 0 to 3, with a score of "3" indicating a severe symptoms and a score of "0" indicating an absence of concern with that particular aspect of depressive symptomology. The total score is the sum of all endorsed statements. The maximum total score is 63. The BDI-II Manual designates the following raw score classifications depression severity: ≤13 = minimal; 14-19 = mild; 20-28 = moderate; ≥ 29 = severe. The BDI will be measured at baseline in mTBI and PASC subjects only.
Time frame: 6 months
The Beck Depression Inventory- II assesses depressive symptom severity. The BDI-II is comprised of 21 individual items reflecting specific cognitive, affective, and physical symptoms of depression. Each item includes four statements that vary in the description of symptom of severity. Scores range from 0 to 3, with a score of "3" indicating a severe symptoms and a score of "0" indicating an absence of concern with that particular aspect of depressive symptomology. The total score is the sum of all endorsed statements. The maximum total score is 63. The BDI-II Manual designates the following raw score classifications depression severity: ≤13 = minimal; 14-19 = mild; 20-28 = moderate; ≥ 29 = severe. The BDI will be measured after 6 months of growth hormone treatment in mTBI and PASC subjects only.
Time frame: 9 months
The Beck Depression Inventory- II assesses depressive symptom severity. The BDI-II is comprised of 21 individual items reflecting specific cognitive, affective, and physical symptoms of depression. Each item includes four statements that vary in the description of symptom of severity. Scores range from 0 to 3, with a score of "3" indicating a severe symptoms and a score of "0" indicating an absence of concern with that particular aspect of depressive symptomology. The total score is the sum of all endorsed statements. The maximum total score is 63. The BDI-II Manual designates the following raw score classifications depression severity: ≤13 = minimal; 14-19 = mild; 20-28 = moderate; ≥ 29 = severe. The BDI will be measured after 9 months of growth hormone treatment in PASC subjects only.
Time frame: 12 months
The Beck Depression Inventory- II assesses depressive symptom severity. The BDI-II is comprised of 21 individual items reflecting specific cognitive, affective, and physical symptoms of depression. Each item includes four statements that vary in the description of symptom of severity. Scores range from 0 to 3, with a score of "3" indicating a severe symptoms and a score of "0" indicating an absence of concern with that particular aspect of depressive symptomology. The total score is the sum of all endorsed statements. The maximum total score is 63. The BDI-II Manual designates the following raw score classifications depression severity: ≤13 = minimal; 14-19 = mild; 20-28 = moderate; ≥ 29 = severe. The BDI will be measured after 9 months of growth hormone treatment and 3 months without treatment (total 12 months) in PASC subjects only.
Time frame: baseline
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at baseline. Measured in mTBI and PASC subjects only.
Time frame: 6 months
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at month 6. Measured in mTBI and PASC subjects only.
Time frame: baseline
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at baseline. Measured in mTBI and PASC subjects only.
Time frame: 6 months
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at month 6. Measured in mTBI and PASC subjects only.
Time frame: baseline
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at baseline. Measured in mTBI and PASC subjects only.
Time frame: 6 months
Walking performance will be assessed in mTBI and PASC patients during 6 minutes of walking in long corridor hallways. This is a standard test of walking performance that has been validated in similar studies. Here, the test will be slightly modified, with subjects asked to walk at a 25% perceived effort from minute 0 - 2, at a 50% perceived effort from minute 2 - 4, and at a 100% effort (as quickly as they can safely walk without running) from minute 4 -6. Distance traveled for each 2-minute category will be recorded. The 6-minute walking test will be completed at month 6. Measured in mTBI and PASC subjects only.
The University of Texas Medical Branch, Galveston
Other
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