PTH and Vibration in OSteoporosis Study

NCT ID: NCT02563353

Last Updated: 2020-09-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

35 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-11-30

Study Completion Date

2019-11-30

Brief Summary

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Objective:

This is a randomized controlled trial (RCT) in osteoporosis patients randomized to standard parathyroid hormone (PTH) treatment alone or to standard PTH treatment and Whole-body vibration (WBV). PTH is an effective but expensive anabolic treatment for osteoporosis. WBV stimulates muscles and bones. A combined treatment might have synergistic or additive beneficial effects on bone, reducing fracture risk making treatment more effective and cost-effective. A beneficial effect on muscles and thereby falls risk of WBV may improve fracture risk even further.

If the results of this pilot study are promising then a strong case can be made for a large multi-centre RCT using strong endpoints including fractures and falls.

Detailed Description

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Study Objectives

1. To determine if WBV in addition to standard PTH treatment has a greater effect on bone mass in osteoporosis patients compared to standard PTH treatment alone.
2. To determine if WBV in addition to standard PTH treatment has a greater effect on bone microarchitecture in osteoporosis patients compared to standard PTH treatment alone, as assessed by high resolution peripheral quantitative computed tomography (HR-pQCT).
3. To determine if WBV in addition to standard PTH treatment has a greater effect on markers of bone formation and resorption in osteoporosis patients compared to standard PTH treatment alone.
4. To study the effects of WBV on muscle function and balance in osteoporosis
5. To assess the safety and adherence to WBV in osteoporotic patients

Study Design:

General Design This will be a multi-center randomized controlled trial (RCT) in osteoporosis patients being started on standard PTH treatment according to Danish Osteoporosis guidelines. Participants will be randomized to standard PTH treatment alone or to standard PTH treatment and WBV.

Statistical Plan:

Sample Size Determination The inclusion of 32 participants (16 in both groups) would give the study 80% power to detect a clinically significant additional increase of 22% with WBV (assuming a 9% increase of BMD in the PTH alone group and 11% increase in the combined PTH+WBV group, and assuming a SD of the BMD increase of 2%. Allowing for a 20% dropout rate, the plan is to include 40 participants (20 in each group). From previous research on WBV by one of the investigators (TM), statistically significant differences were found in bone formation markers and in muscle strength at 3 months between the WBV and control groups with a sample size of 35. The number of participants in the latter pilot work is reassuringly consistent with the sample size calculations. The number needed to be included is far less (34%) than the actual number of patients treated with PTH in the recruiting departments in a similar time period last year.

Statistical Methods:

STATA/SPSS will be used for data analysis. For the primary endpoint (BMD at 12 months) the mean percentage changes in BMD between the two groups will be compared using Analysis of Variance (ANOVA) provided the distribution is normal. For the other endpoints parametric tests will be used to assess differences in the two groups for normally distributed data and non-parametric tests for data not normally distributed.

The randomization will be done online in the data capture program Red Cap. There will be created a Data dictionary that contains detailed descriptions of each variable used by the registry, including the source of the variable, and normal ranges if relevant.

Information:

Participants will be recruited during their attendance at the outpatient clinics. At that time the subjects will be given a full explanation of the study as well as the patient information sheet and invited to participate in the study. At an interval of not less than 24 hours, patients will be invited to consent prior to starting their PTH treatment.

The information will be sufficient for subjects to make an informed decision about their participation in this study. The subject will complete and sign a consent form to indicate they are giving valid consent to participate in the trial.

Withdrawal of Subjects:

Patients who withdraw consent from participation in the trial will be withdrawn from the trial. This will not affect their standard medical management and not cause any adverse effect on the subject.

Conditions

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Osteoporosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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controlgroup

Teriparatide, 20 microgram/day. 24 months of treatment

Group Type ACTIVE_COMPARATOR

teriparatide

Intervention Type DRUG

Teriparatide, 20 microgram/day. 24 months of treatment.

studygroup 1

Teriparatide, 20 microgram/day. 24 months of treatment.

12 months of Whole-body vibration on vibration platforms.

Group Type EXPERIMENTAL

whole-body vibration

Intervention Type OTHER

Whole-body vibration on vibration platforms. 30-40 Hertz, from 2 mm (low) to 4 mm (high) amplitude,

1 minutes x 6 with 1 minute break between. 3 times a week.

teriparatide

Intervention Type DRUG

Teriparatide, 20 microgram/day. 24 months of treatment.

studygroup 2

Teriparatide, 20 microgram/day. 24 months of treatment.

24 months of Whole-body vibration on vibration platforms

Group Type EXPERIMENTAL

whole-body vibration

Intervention Type OTHER

Whole-body vibration on vibration platforms. 30-40 Hertz, from 2 mm (low) to 4 mm (high) amplitude,

1 minutes x 6 with 1 minute break between. 3 times a week.

teriparatide

Intervention Type DRUG

Teriparatide, 20 microgram/day. 24 months of treatment.

Interventions

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whole-body vibration

Whole-body vibration on vibration platforms. 30-40 Hertz, from 2 mm (low) to 4 mm (high) amplitude,

1 minutes x 6 with 1 minute break between. 3 times a week.

Intervention Type OTHER

teriparatide

Teriparatide, 20 microgram/day. 24 months of treatment.

Intervention Type DRUG

Other Intervention Names

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vibration therapy PTH

Eligibility Criteria

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Inclusion Criteria

* Women starting PTH treatment for osteoporosis according to Danish Osteoporosis guidelines

Exclusion Criteria

* Women currently taking oral glucocorticoids
* Women unable to give informed consent
* Women unable to stand for 2 minutes at a time on the vibration platform
* Women who have contraindications to WBV (e.g. joint prosthesis, pacemakers)
Minimum Eligible Age

50 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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University of Southern Denmark

OTHER

Sponsor Role collaborator

Copenhagen University Hospital, Denmark

OTHER

Sponsor Role collaborator

Esbjerg Hospital - University Hospital of Southern Denmark

OTHER

Sponsor Role collaborator

Sygehus Lillebaelt

OTHER

Sponsor Role collaborator

Odense Patient Data Explorative Network

OTHER

Sponsor Role collaborator

Region of Southern Denmark

OTHER

Sponsor Role collaborator

Odense University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Lars Matzen

MD, Clin. Ass. Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Lars Matzen, Clin.Ass.Pro

Role: PRINCIPAL_INVESTIGATOR

Odense University Hospital

Ditte Jepsen, MD, ph.d. student

Role: PRINCIPAL_INVESTIGATOR

University of Southern Denmark

Locations

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Odense University Hospital

Odense, , Denmark

Site Status

Countries

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Denmark

References

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Jepsen DB, Masud T, Holsgaard-Larsen A, Hansen S, Jorgensen NR, Ryg J. The combined effect of parathyroid hormone (1-34) and whole-body vibration exercise on physical performance in OSteoporotic women (PaVOS study): a secondary analysis from a randomised controlled trial. BMC Sports Sci Med Rehabil. 2020 Sep 5;12:54. doi: 10.1186/s13102-020-00204-w. eCollection 2020.

Reference Type DERIVED
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Jepsen DB, Ryg J, Hansen S, Jorgensen NR, Gram J, Masud T. The combined effect of Parathyroid hormone (1-34) and whole-body Vibration exercise in the treatment of postmenopausal OSteoporosis (PaVOS study): a randomized controlled trial. Osteoporos Int. 2019 Sep;30(9):1827-1836. doi: 10.1007/s00198-019-05029-z. Epub 2019 Jul 15.

Reference Type DERIVED
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Jepsen DB, Ryg J, Jorgensen NR, Hansen S, Masud T. The combined effect of Parathyroid hormone (1-34) and whole-body Vibration exercise in the treatment of OSteoporosis (PaVOS)- study protocol for a randomized controlled trial. Trials. 2018 Mar 16;19(1):186. doi: 10.1186/s13063-018-2551-5.

Reference Type DERIVED
PMID: 29548300 (View on PubMed)

Other Identifiers

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S-20150121

Identifier Type: -

Identifier Source: org_study_id

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