CClinicalTrials.gg
TerminatedNCT02340273Updated Jan 31, 2017

Long Duration Therapeutic Ultrasound on Tendon Injuries

An interventional study of Therapeutic ultrasound and Placebo therapeutic ultrasound in Tendon Injuries and Musculoskeletal Pain, sponsored by ZetrOZ, Inc.. Terminated at 2 sites in United States. Open to participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2017-01-31.

Sponsored by ZetrOZ, Inc. · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
13
Allocation
Randomized
Ages
18 Years to 70 Years
Sex
All
01

Study summary

Human clinical trial to measure the effect of long duration therapeutic ultrasound on tendon injuries. The hypothesis is that use of long duration ultrasound will relieve pain, increase tendon strength, and improve quality of life for patients with tendon injury.

Read the detailed description

The ability of long duration therapeutic ultrasound to reduce pain, increase strength, and improve quality of life for patients with tendon injury [e.g. tendinopathy of the elbow (medial or lateral], Achilles tendon, or patellar tendon) will be assessed. During the 7-week protocol, participants will receive 4 continuous hours of therapy daily.

For the first week, baseline data will be collected as participants report pain scores (VAS) in the morning, noon, and night. During the next 6 weeks, participants will self-apply the device each day and record their pain score (VAS) before and treatment; and record their pain score (VAS) while performing specified movements designed to evaluate tendon rehabilitation. At bi-weekly site visits, strength measurements will be performed on the injured and uninjured limb. Participants will also complete a standardized questionnaire to assess disability due to the specific tendon injury at baseline and study conclusion.

02

Conditions studied

  • Tendon Injuries
  • Musculoskeletal Pain

Keywords

  • tendinopathy
  • ultrasound
  • pain
  • heat
  • strength
  • LITUS
  • long duration
  • therapeutic ultrasound
  • tendonopathy
03

In context

Musculoskeletal Pain

493 studies on the registry are indexed under Musculoskeletal Pain; 113 are open to participants now.

This study's enrollment of 13 is below the median of 69 across 346 interventional studies indexed under Musculoskeletal Pain.

Browse Musculoskeletal Pain studies →

Lead sponsor

ZetrOZ, Inc. is the lead sponsor of 18 studies on the registry; 3 are open to participants now.

Of its 7 completed or terminated interventional studies of FDA-regulated products, 3 (43%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Has been diagnosed with tendinitis in the elbow (medial or lateral epicondyles), patella, or Achilles tendon based on physical examination by a healthcare practitioner and medical history. Physical examination must include one of the following: assessment of pain during manual movements of the injured limb (e.g. a positive Mill's Test [Wadsworth, 1987] for elbow tendinitis), or local tenderness upon palpation over the tendon
  • Experience tendon pain greater than 1 (using the VAS scale of 0-10) during the week preceding study screening
  • Between 18 and 70 years of age
  • Willing and able to self-administer the study device to the treatment area daily
  • Have access to a mobile phone or camera to take a picture of the treatment area immediately after use of the device
  • Body Mass Index (BMI) is less than or equal to 34.0
  • Agree to document all pain medications and associated dosages during participation in the study.
  • If taking prescription pain medication, agree to keep dosage constant (unchanged) during participation in the study.
  • Agree not to use any topical solution such as analgesic cream or ointment on the treatment area during participation in the study

Exclusion criteria

Exclusion Criteria:

  • Subjects that cannot speak, read or write English
  • History or current diagnosis of tendinosis or a tendon tear
  • Known neuropathy (nerve damage that affects the treatment area)
  • Surgery in the treatment area within the last 6 months
  • Non-ambulatory (unable to walk)
  • Prisoner
  • Pregnant
  • Have a pacemaker
  • Malignancy in the treatment area
  • Refuse to discontinue all other interventional treatment modalities (i.e. transcutaneous electrical nerve stimulation (TENS), electrical stimulation, or other ultrasound therapy) during the study
  • Local corticosteroid or platelet-rich plasma (PRP) injection within the past 3 months
  • Clinically significant or unstable medical or psychological conditions that would compromise participation in the study
  • Participated in a clinical trial for an investigational drug and/or agent within 30 days prior to screening
  • Involved in any injury-related litigation in the treatment area
  • Open sores or wounds in the treatment area that would prevent use of the device
  • Arthritis in the treatment area
  • Carpal tunnel syndrome (if subject has elbow tendinitis)
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
13 participants (actual)

Study arms

  • Experimental
    Therapeutic ultrasound device

    Patients receive treatment from the long duration therapeutic ultrasound device for 4 hours every day for 6 weeks. The active device emits continuous ultrasound at 3 megahertz (MHz) frequency and 0.132 watts/cm2 intensity.

    Device: Therapeutic ultrasound

  • Placebo comparator
    Placebo therapeutic ultrasound device

    Patients receive the "sham" long duration therapeutic ultrasound device for 4 hours every day for 6 weeks. The placebo device appears and operates identically to the active device except that it does not emit ultrasound.

    Device: Placebo therapeutic ultrasound

Interventions

  • DeviceTherapeutic ultrasound

    Patients receive therapeutic ultrasound daily for 4 hours of continuous therapy at 3 megahertz (MHz) frequency and 0.132 Watts/cm2.

    Also known as: Therapeutic ultrasound (active), wearable ultrasound device, long duration ultrasound, LITUS device, long duration low intensity device

  • DevicePlacebo therapeutic ultrasound

    Patients receive "sham" therapeutic ultrasound daily for 4 hours.

06

What researchers measure

Primary outcomes

  1. Change in pain on the visual analog scale (VAS) from baseline to study conclusion

    Time frame: Baseline, Week 7

Secondary outcomes

  1. Pressure point sensitivity as measured through algometry

    Time frame: Baseline, Week 7

  2. Change in pain during functional testing as measured by VAS

    Time frame: Baseline, Week 7

  3. Change in strength of limb through dynamometry

    Time frame: Baseline, Week 7

  4. Quality of life and functioning through limb-specific standardized questionnaires

    Time frame: Baseline, Week 7

07

Study locations

2 sites
  • Clinical Research Consulting
    Milford, Connecticut 06460, United States
  • Zetroz, Inc
    Trumbull, Connecticut 06611, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 31, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02340273
Lead sponsor
ZetrOZ, Inc.
Responsible party
Sponsor
First posted
Jan 16, 2015
Start date
Dec 2014
Primary completion
Sep 2015
Completion
Sep 2015
Last update
Jan 31, 2017

Study contacts

George K Lewis, PhD
principal investigator · Sponsor GmbH

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Jan 2017. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion