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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05457036
Other study ID # CRD-09-1471
Secondary ID SB1AG046005
Status Completed
Phase N/A
First received
Last updated
Start date September 1, 2022
Est. completion date December 10, 2023

Study information

Verified date May 2024
Source Bone Health Technologies, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To conduct a sham-controlled study to rigorously evaluate the effect of Spry Belt treatment on key bone turnover markers (BTMs) over a 12-week period. The investigators will calculate the percentage and absolute changes from baseline for several BTMs for both the active and sham treatment groups.


Description:

This will be a 12-week, randomized, controlled study with 90 subjects. At enrollment, subjects will be randomized to the Active Treatment or Sham Treatment. All subjects will receive dietary supplements (calcium and vitamin D) for the duration of the study. Subjects will be asked to self-administer daily at-home treatments with the device at least 5 times each week. The investigators will evaluate safety via adverse events reported to the research staff and via responses to a survey on potential side effects. DXA scans will be obtained at the Screening Visit and Visit 3 (Study Completion). Blood and urine will be collected at Day 0 (Visit 1), Week 6 (Visit 2), and Week 12 (Visit 3).


Recruitment information / eligibility

Status Completed
Enrollment 94
Est. completion date December 10, 2023
Est. primary completion date October 31, 2023
Accepts healthy volunteers No
Gender Female
Age group 50 Years and older
Eligibility Inclusion Criteria: - Female - Had her last menstrual period at least one year prior to the time of study enrollment - Has low bone mass as defined by a DXA T-score between -1.0 and -2.49 for the femoral neck, total femur, or lumbar spine - Is 50 years of age or older - Can walk and stand without an assistive device - Is able to provide informed consent - Is able to understand spoken and written English - Is capable and willing to follow all study-related procedures Exclusion Criteria: - Has a bone mineral density (BMD) at the femoral neck, total femur, or lumbar spine of T score = -2.5 (defined by DXA) - Has a 10-year probability of major fracture >20% or hip fracture >3% based on results of the Fracture Risk Assessment (FRAX) Tool (at screening) - Is currently taking or has taken oral bisphosphonates or other prescription osteoporosis medications in the past 24 months, or estrogen replacement therapy, glucocorticosteroids, dehydroepiandrosterone, tenofovir disoproxil fumarate, or other drugs affecting bone in the past 3 months - Has had at least one fracture or at least one major surgery within the past 6 months - Smokes >10 cigarettes per day over the past 6 months - Has had an average of 14 alcoholic drinks per week over the past 6 months - Has type I diabetes - Has a history of severe renal disease or kidney failure - Has had bariatric surgery - Has been diagnosed with chronic renal disease, cirrhosis, multiple myeloma, neuromuscular disease, osteomalacia, Paget's disease, osteogenesis imperfecta, severe osteoarthritis, rheumatoid arthritis, severe peripheral neuropathy, gastrointestinal malabsorption or sprue, an eating disorder (e.g., anorexia nervosa, bulimia), uncontrolled hypertension, or chronic diseases known to affect the musculoskeletal system (e.g., muscular dystrophy) - Has been diagnosed with an endocrine disorder known to adversely affect bone density, such as primary hyperparathyroidism, hyperthyroidism, or Cushing's syndrome, unless definitively treated - Has cancer and/or is being treated for cancer - Has had a bilateral oophorectomy - Is being treated for a herniated disc - Has had any prolonged immobilization (i.e., bedrest) for over one week or non-weight bearing for greater than one month of the axial or lower appendicular skeleton within the last 3 years - Is engaged in high-impact activity at least three times per week (including but not limited to tennis, aerobics, running, weight-bearing activity or exercise more intense than fast walking) - Has a known allergy to neoprene - Has a hip circumference >56 inches - Has a BMI >35 - Has abnormal results for the following laboratory tests: - Serum 25(OH)D outside of the range: 10-100 ng/mL - Serum calcium outside of the normal laboratory ranges - Serum PTH outside of the normal laboratory ranges - TSH outside of the normal laboratory ranges* - FSH less than 40 (mIU/L) ** - Has joint replacement implants in the ankle, knee, or hip - Has had a spinal fusion procedure - Has an active implant (e.g. implanted neurostimulator) in the areas of the lumbar or thoracic spine, pelvis, or buttocks - Has had a major change in high-impact physical activity level (increase or decrease) in the past 3 months - Has undergone or is undergoing transgender hormone therapy - Is deemed unsuitable for enrollment in the study by the Principal Investigator

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Spry Belt
The Spry Belt is a device worn around the hips which delivers gentle energy to the lower back. The level of energy is controlled by an internal microprocessor (computer) so that it is safe and comfortable. The energy is at a level that may or may not be perceptible to the user. The device is powered by an internal lithium-ion battery which must be recharged periodically. The device is designed to be used with its companion Spry app (via Bluetooth Low Energy (BLE)) so that anonymous usage statistics may be monitored. The expected shelf life of the device is longer than 2 years and the expected use life is at least 12-18 months.
Sham Spry Belt
The Sham Spry Belt is a device worn around the hips which does not deliver gentle energy to the lower back. The device instead provides a clicking noise similar to a motor. The device is powered by an internal lithium-ion battery which must be recharged periodically. The device is designed to be used with its companion Spry app (via BLE) so that anonymous usage statistics may be monitored. The expected shelf life of the device is longer than 2 years and the expected use life is at least 12-18 months.

Locations

Country Name City State
United States University of Nebraska Medical Center Omaha Nebraska
United States Northern California Institute for Research and Education (NCIRE) San Francisco California

Sponsors (4)

Lead Sponsor Collaborator
Bone Health Technologies, Inc. National Institute on Aging (NIA), University of California, San Francisco, University of Nebraska

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change from baseline for Urinary N-telopeptide (uNTX) The percent change from Baseline for both Active and Sham treatment groups compared with a two-sample t-test with a significance level of 0.05. 6 weeks
Primary Adverse Event Safety Endpoint Adverse Events as recorded on the Adverse Event Case Report Form, showing number and type of Serious Adverse Events and Device Related-Adverse Events compared between the Active and Sham groups 12 weeks
Secondary Secondary Safety Endpoint The prevalence and severity of all side effects, as measured via the Adverse Event Checklist, will be compared between the Active and Sham groups. We will perform separate sub-comparisons for side effects that subjects' report as likely to be due to Spry Belt treatment and for those that are not. 12 weeks
Secondary DXA-based Lumbar Spine Bone Mineral Density (aBMD) For each subject, aBMD for the lumbar spine (L1-L4 vertebrae) will be calculated at Baseline and 12 weeks (Study Completion). The percent change in aBMD will then be calculated for each subject. Results for the Active and Sham groups will be compared using a with a two-sample t-test with a significance level of 0.05. 12 weeks
Secondary DXA-based Total Femur Bone Mineral Density (aBMD) For each subject, aBMD for the total femur (average of left and right femurs) will be calculated at Baseline and 12 weeks (Study Completion). The percent change in aBMD will then be calculated for each subject. Results for the Active and Sham groups will be compared using a with a two-sample t-test with a significance level of 0.05. 12 weeks
Secondary Serum amino-terminal propeptide of type 1 procollagen (P1NP) For each subject, sP1NP samples will be collected at Baseline, 6 weeks (Visit #2), and 12 weeks (Visit #3, Study Completion). The percent change in sP1NP will then be calculated for each subject. 12 weeks
Secondary Serum N-telopeptide (sNTX) For each subject, sNTX samples will be collected at Baseline, 6 weeks (Visit #2), and 12 weeks (Visit #3, Study Completion). The percent change in sNTX will then be calculated for each subject. 12 weeks
Secondary Urine N-telopeptide (uNTX) In addition to the primary endpoint, percent change in uNTX will be calculated for each subject from Baseline and 12 weeks (Visit #3, Study Completion). 12 weeks
Secondary Serum cross-linked C-telopeptide of type I collagen (sCTX) For each subject, sCTX samples will be collected at Baseline, 6 weeks (Visit #2), and 12 weeks (Visit #3, Study Completion). The percent change in sCTX will then be calculated for each subject. 12 weeks
Secondary Quality of Life (QoL) SF-12 will be used to evaluate QoL. For each subject, the SF-12 scores will be calculated at Baseline and 12 weeks (Study Completion). Change in SF-12 score for the Active and Sham groups will be compared using a with a two-sample t-test with a significance level of 0.05. 12 weeks
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