Conservative Treatment for Hip Osteoarthritis (COHART)

March 29, 2016 updated by: Nordic Institute of Chiropractic and Clinical Biomechanics

Conservative Treatment for Hip Osteoarthritis: Effect of Manual Treatment and Hip School on Pain, Disability and Quality of Life - a Single-blinded Randomized Controlled Trial

The purpose of the study is to evaluate the effect of manual treatment and a patient education programme for patients without indication for hip surgery.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Hip osteoarthritis (hip OA) is the second most common arthritis of the larger joints and may result in pain and disability and lead to reduced quality of life (QoL). The prevalence of hip OA, in the adult population, > 35 years, is estimated to 4-11% in the western society. In specific countries hip OA affects up to 25% in adults > 60 years. With a growing elder population, these prevalence rates will increase and the demand for cost-effective and safe interventions will increase as well.

International guidelines, 2008, on the management of hip and knee OA recommend a combination of non-pharmacological and pharmacological treatment. For years the majority of interventional research for hip and knee OA has focused on surgery and drugs. Surgery is an option, when pain and disability have reached severe levels, and an increasing group of patients are today looking for other treatment options than drug treatment (pharmacological). In the last 4-6 years, new randomized controlled trials (RCT) have shown promising results with non-pharmacological treatment, such as exercise, patient education, manual therapy and acupuncture.

The purpose of this RCT is to investigate the effect of combining manual treatment and a patient education programme and compare it to a minimal intervention in form of a home stretching programme. It will further investigate the specific effect of manual treatment.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
118

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Denmark
    • DK
      • Odense, DK, Denmark, 5000 C
        • Department of Ortopaedic Surgery and Traumatology, Odense University Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

40 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • patients referred from general practitioner, chiropractor or orthopaedic surgeon
  • unilateral hip pain of minimum 3 months' duration
  • radiology criteria for hip OA: joint space width (JSW) < 2.0 mm or a side difference in JSW of > 10%
  • adequate mastering of the Danish language to complete instructions and questionnaires

Exclusion Criteria:

  • inflammatory joint disease
  • previous hip or knee alloplastic
  • secondary arthritis due to hip fracture or infection
  • bilateral hip pain
  • hip dysplasia with a CE angle > 25 degrees and an AA angle > 10 degrees
  • low back pain which dominates over the hip pain
  • malignant disease
  • patients with paresis or paralysis after neuromuscular, cerebrovascular or polyneuropathic disease
  • hip pain resulting from labral tear, bursitis and/or snapping hip syndrome
  • polyarthritis
  • received manual treatment for the hip within the last year

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Hip school
This group will receive hip school during the intervention period of 6 weeks.
Other: Hip School
The hip school consists of one initial personal interview, three group sessions, and one follow-up personal interview. The hip school is a patient education programme which involves anatomy/physiology, epidemiology, disease progression and pain, advice on self-help and exercises.
Active Comparator: Hip School and Manual Treatment
This group receives both hip school and manual treatment during the 6 weeks.
Other: Hip School and Manual Treatment
Hip school as above. Patients receive manual treatment twice a week for 6 weeks. Manual treatment consists of joint manipulation and muscle energy techniques to the articular and soft-tissue structures of the hip.
Active Comparator: Minimal control intervention
An information leaflet including exercises.
Other: Minimal control intervention
As control group, an information leaflet is used with instructions to live as usual during the 6 weeks intervention period. The exercise sheet of the hip school is given to the patients with no further instruction.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Pain: Numerical pain scale
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Hip Disability and Osteoarthritis Outcome Score
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
General improvement experienced by patient - "Global Assessment"
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
Quality of life: EQ-5D
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
Passive hip range of motion
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
Hip surgery up to one year after baseline
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
Use of pain medication
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year
Patient Specific Hip Disability
Time Frame: Baseline, 6 weeks, 3 months, 1 year
Baseline, 6 weeks, 3 months, 1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Nordic Institute of Chiropractic and Clinical Biomechanics

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Odense University Hospital
University of Southern Denmark
Region of Southern Denmark
The Danish Rheumatism Association
Foundation for Chiropractic Research and Post Graduate Education

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Erik Poulsen, DC, MSc, Nordic Institute of Chiropractic and Clinical Biomechanics

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
October 1, 2008

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 1, 2011

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
December 22, 2009

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
December 23, 2009

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
December 24, 2009

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
March 30, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
March 29, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
March 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • COHART
  • CVK S-20080027

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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