Electrical Stimulation of Human Myocytes in Microgravity (microG)
Primary Purpose
Sarcopenia
Status
Active
Phase
Not Applicable
Locations
United States
Study Type
Interventional
Intervention
Muscle Tissue Biopsy
Maximal Oxygen Consumption (V02max)
Sponsored by
About this trial
This is an interventional other trial for Sarcopenia
Eligibility Criteria
Inclusion Criteria:
- Participant is capable of giving informed consent and has voluntarily signed and dated an informed consent form, approved by an Institutional Review Board and provided Health Insurance Portability and Accountability Act authorization (HIPAA) or other privacy authorization prior to any participation in study.
- Participant is 20-40 or 60-80 years of age, inclusive
- Participant BMI <30 kg/m2
- Participant states willingness to follow protocol as described, including the prescribed activity level and completing any forms needed throughout the study.
Exclusion Criteria:
- Participant reports a history of type 1 or type 2 Diabetes; or Hgb A1c > 6.5% at screening visit.
- Participant is actively pursuing weight loss and/or lifestyle changes.
- Participant has a history of pressure ulcers.
- Participant has a stated history of Deep Vein Thrombosis (DVT), recent (within last 3 months) pulmonary embolism, or has a positive D-dimer test and lower extremity ultrasound at screening, or a known hypercoagulable condition, or other clotting or bleeding disorders.
- Participant has poorly controlled hypertension or hypotension in the opinion of the study PI or medical investigator (MI).
- Participant has untreated hypothyroidism or hyperthyroidism.
- Participant has current infection (requiring prescription antimicrobial or antiviral medication, or hospitalization), or corticosteroid treatment (with the exception of inhaled or topical steroids) in the last 3 months prior to screening visit.
- Participant is currently taking prescription strength anti-inflammatory medication or has taken prescription strength anti-inflammatory medication in the 6 weeks prior to screening.
- Participant has had surgery requiring >2 days of hospitalization in the last 3 weeks prior to screening visit.
- Participant has an active malignancy or autoimmune disease.
- Participant has current significantly impaired liver function in the opinion of the study PI (mild asymptomatic fatty liver is acceptable), or hepatic enzyme tests are ≥2.5 times normal limit.
- Participant has a chronic, contagious, infectious disease, such as active tuberculosis, Hepatitis B or C, or HIV, per self-report.
- Participant is an amputee and/or has presence of partial or full artificial limb.
- Participant has had a significant cardiovascular event (e.g. myocardial infarction, stroke) ≤ 6 months prior to screening visit; or stated history of congestive heart failure; or participant has evidence of cardiovascular disease assessed during the ECG at screening.
- Participant has a history of, or currently has uncontrolled severe diarrhea, nausea or vomiting.
- Participant has an obstruction of the gastrointestinal tract, inflammatory bowel disease, short bowel syndrome or other forms of gastrointestinal disease such as stage III or above gastroesophageal reflux disease, gastroparesis, peptic ulcer disease, celiac disease, intestinal dysmotility, diverticulitis, ischemic colitis.
- Participant has used tobacco within the last 3 months.
- Participant has a history of drug or alcohol abuse (> 3 drinks per day) within the last 5 years
- Female participant is pregnant, lactating or is within 6 weeks postpartum prior to the screening visit
- Participant has impaired renal function: estimated glomerular filtration rate (eGFR) ≤ 50 ml/min/1.73m2 determined at screening.
- Participant's triglyceride level is ≥ 250 mg/dl and LDL cholesterol is > 150 mg/dl at screening.
- Participant has a urine albumin-to-creatinine ratio (UACR) ≥300 mg/g at screening in a single urine specimen (per National Kidney Foundation guideline).
Sites / Locations
- Translational Research Institute for Metabolism and Diabetes
Arms of the Study
Arm 1
Arm 2
Arm Type
Other
Other
Arm Label
Young adults
Older adults
Arm Description
Obtain muscle biopsy specimens from young adults (ages 20-40) to develop a millifluidic chip for electrical stimulation of human primary muscle cell hydrogel cultures.
Obtain muscle biopsy specimens from older adults (ages 60-80) to develop a millifluidic chip for electrical stimulation of human primary muscle cell hydrogel cultures.
Outcomes
Primary Outcome Measures
Muscle biopsy parameters
Collection of the muscle biopsy parameters (isolated satellite cells), from 9 participants in each of young and old study groups.
Secondary Outcome Measures
Full Information
NCT ID
NCT03665051
First Posted
September 7, 2018
Last Updated
July 21, 2023
Sponsor
AdventHealth Translational Research Institute
1. Study Identification
Unique Protocol Identification Number
NCT03665051
Brief Title
Electrical Stimulation of Human Myocytes in Microgravity
Acronym
microG
Official Title
Electrical Stimulation of Human Myocytes in Microgravity: An In Vitro Model to Evaluate Therapeutics to Counteract Muscle Wasting (microG)
Study Type
Interventional
2. Study Status
Record Verification Date
July 2023
Overall Recruitment Status
Active, not recruiting
Study Start Date
January 25, 2019 (Actual)
Primary Completion Date
December 2023 (Anticipated)
Study Completion Date
December 2023 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
AdventHealth Translational Research Institute
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No
5. Study Description
Brief Summary
The purpose of this study is to evaluate the changes of muscle, in microgravity. Which will help explain the health benefits of exercise. There are tests that can be done to tell researchers more about the human body, such as a dual energy x-ray absorptiometry (DEXA) scan, which measures body composition (fat and lean body mass). The use of muscle testing and a Handgrip test can tell us about the strength and power within an individual's muscles. A VO2 max test helps us understand the aerobic fitness level of an individual and one of the most important aspects of this study are muscle cells. A muscle biopsy allows us to obtain muscle cells from the thigh, which will be sent into space by a rocket. Researchers will study these muscle cells in a low gravity environment aboard the International Space Station. Studying the muscle cells under those conditions will potentially mimic an accelerated aging process, which will help researchers better understand muscle wasting in the elderly.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Sarcopenia
7. Study Design
Primary Purpose
Other
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
75 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
Young adults
Arm Type
Other
Arm Description
Obtain muscle biopsy specimens from young adults (ages 20-40) to develop a millifluidic chip for electrical stimulation of human primary muscle cell hydrogel cultures.
Arm Title
Older adults
Arm Type
Other
Arm Description
Obtain muscle biopsy specimens from older adults (ages 60-80) to develop a millifluidic chip for electrical stimulation of human primary muscle cell hydrogel cultures.
Intervention Type
Procedure
Intervention Name(s)
Muscle Tissue Biopsy
Intervention Description
A biopsy of the Vastus Lateralis muscle will be performed on the left leg using the Bergstrom technique.The skin will be incised (approximately 0.75 cm) with a #11 scalpel, and the Bergstrom needle will be inserted into the Vastus Lateralis. Approximately 150 mg of muscle tissue will be obtained under suction. After the biopsy, pressure will be applied to stop bleeding and the skin will be closed with Steri strips (suture(s) if allergy to steri strips and removal 7-10 days post biopsy). A sterile dressing will be applied. Ace bandage may also be used along with applied pressure and an ice pack for any swelling and pain relief.
Intervention Type
Other
Intervention Name(s)
Maximal Oxygen Consumption (V02max)
Intervention Description
Aerobic fitness will be determined by measuring maximal O2 consumption (VO2max) during a stationary bicycle exercise test. Heart rate, blood pressure and ECG will be recorded throughout this test. Subjects will breathe through a low resistance mouthpiece and wear a nose clip. Expired gases will be measured by indirect calorimetry and heart rate monitored by a portable heart rate monitor. Following a standardized warm up, subjects will begin exercising at a moderate intensity with the workload increased every minute until the subject can no longer continue. A leveling-off (plateau) or decline in oxygen uptake should be demonstrated in order to be reasonably sure that a subject has achieved the maximum capacity for aerobic metabolism.
Primary Outcome Measure Information:
Title
Muscle biopsy parameters
Description
Collection of the muscle biopsy parameters (isolated satellite cells), from 9 participants in each of young and old study groups.
Time Frame
About 30 minutes
10. Eligibility
Sex
All
Minimum Age & Unit of Time
20 Years
Maximum Age & Unit of Time
80 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
Participant is capable of giving informed consent and has voluntarily signed and dated an informed consent form, approved by an Institutional Review Board and provided Health Insurance Portability and Accountability Act authorization (HIPAA) or other privacy authorization prior to any participation in study.
Participant is 20-40 or 60-80 years of age, inclusive
Participant BMI <30 kg/m2
Participant states willingness to follow protocol as described, including the prescribed activity level and completing any forms needed throughout the study.
Exclusion Criteria:
Participant reports a history of type 1 or type 2 Diabetes; or Hgb A1c > 6.5% at screening visit.
Participant is actively pursuing weight loss and/or lifestyle changes.
Participant has a history of pressure ulcers.
Participant has a stated history of Deep Vein Thrombosis (DVT), recent (within last 3 months) pulmonary embolism, or has a positive D-dimer test and lower extremity ultrasound at screening, or a known hypercoagulable condition, or other clotting or bleeding disorders.
Participant has poorly controlled hypertension or hypotension in the opinion of the study PI or medical investigator (MI).
Participant has untreated hypothyroidism or hyperthyroidism.
Participant has current infection (requiring prescription antimicrobial or antiviral medication, or hospitalization), or corticosteroid treatment (with the exception of inhaled or topical steroids) in the last 3 months prior to screening visit.
Participant is currently taking prescription strength anti-inflammatory medication or has taken prescription strength anti-inflammatory medication in the 6 weeks prior to screening.
Participant has had surgery requiring >2 days of hospitalization in the last 3 weeks prior to screening visit.
Participant has an active malignancy or autoimmune disease.
Participant has current significantly impaired liver function in the opinion of the study PI (mild asymptomatic fatty liver is acceptable), or hepatic enzyme tests are ≥2.5 times normal limit.
Participant has a chronic, contagious, infectious disease, such as active tuberculosis, Hepatitis B or C, or HIV, per self-report.
Participant is an amputee and/or has presence of partial or full artificial limb.
Participant has had a significant cardiovascular event (e.g. myocardial infarction, stroke) ≤ 6 months prior to screening visit; or stated history of congestive heart failure; or participant has evidence of cardiovascular disease assessed during the ECG at screening.
Participant has a history of, or currently has uncontrolled severe diarrhea, nausea or vomiting.
Participant has an obstruction of the gastrointestinal tract, inflammatory bowel disease, short bowel syndrome or other forms of gastrointestinal disease such as stage III or above gastroesophageal reflux disease, gastroparesis, peptic ulcer disease, celiac disease, intestinal dysmotility, diverticulitis, ischemic colitis.
Participant has used tobacco within the last 3 months.
Participant has a history of drug or alcohol abuse (> 3 drinks per day) within the last 5 years
Female participant is pregnant, lactating or is within 6 weeks postpartum prior to the screening visit
Participant has impaired renal function: estimated glomerular filtration rate (eGFR) ≤ 50 ml/min/1.73m2 determined at screening.
Participant's triglyceride level is ≥ 250 mg/dl and LDL cholesterol is > 150 mg/dl at screening.
Participant has a urine albumin-to-creatinine ratio (UACR) ≥300 mg/g at screening in a single urine specimen (per National Kidney Foundation guideline).
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Paul Coen, PhD
Organizational Affiliation
Study Principal Investigator
Official's Role
Principal Investigator
Facility Information:
Facility Name
Translational Research Institute for Metabolism and Diabetes
City
Orlando
State/Province
Florida
ZIP/Postal Code
32804
Country
United States
12. IPD Sharing Statement
Plan to Share IPD
No
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Links:
URL
http://www.tri-md.org/
Description
Translational Research Institute for Metabolism and Diabetes
Learn more about this trial
Electrical Stimulation of Human Myocytes in Microgravity
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