NCT02970253

Brief Summary

Direct Anterior Approach (DAA) for Total Hip Arthroplasty (THA): Capsular resection versus capsular flap retention. Prospective study design comparing clinical data in randomized THA patients who either had capsular resection or capsular flap retention.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
190

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Nov 2017

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 3, 2016

Completed
18 days until next milestone

First Posted

Study publicly available on registry

November 21, 2016

Completed
12 months until next milestone

Study Start

First participant enrolled

November 1, 2017

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 11, 2018

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2019

Completed
Last Updated

February 11, 2020

Status Verified

February 1, 2020

Enrollment Period

1 year

First QC Date

November 3, 2016

Last Update Submit

February 10, 2020

Conditions

Outcome Measures

Primary Outcomes (4)

  • Clinical data will be measured with scoring list HHS (Harris Hip Score).

    Hypothesis: No clinical difference in DAA using capsular resection vs retention. Clinical outcomes will be measured with scoring list HHS (Harris Hip Score).

    One year

  • Clinical data will be measured with scoring list WOMAC (The Western Ontario and McMaster Universities Arthritis Index).

    Hypothesis: No clinical difference in DAA using capsular resection vs retention. Clinical outcomes will be measured with scoring list WOMAC (The Western Ontario and McMaster Universities Arthritis Index).

    One year

  • Clinical data will be measured with scoring list UCLA (University of California Los Angles activity score).

    Hypothesis: No clinical difference in DAA using capsular resection vs retention. Clinical outcomes will be measured with scoring list UCLA ((University of California Los Angles activity score).

    One year

  • Clinical data will be measured with scoring list HOOS (Hip dysfunction and Osteoarthritis Outcome Score).

    Hypothesis: No clinical difference in DAA using capsular resection vs retention. Clinical outcomes will be measured with scoring lists HOOS (Hip dysfunction and Osteoarthritis Outcome Score).

    One year

Study Arms (2)

Capsular resection

ACTIVE COMPARATOR

Capsular resection

Procedure: Capsular resection

Capsular retention

ACTIVE COMPARATOR

Capsular retention

Procedure: Capsular retention

Interventions

Capsular resection

Capsular resection

Capsular retention

Capsular retention

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • primary THA

You may not qualify if:

  • neurologic disease
  • painful contralateral THA
  • severe back or knee pain
  • rheumatology

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

ZOL

Genk, Limburg, 3600, Belgium

Location

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Resident Orthopedic Surgery

Study Record Dates

First Submitted

November 3, 2016

First Posted

November 21, 2016

Study Start

November 1, 2017

Primary Completion

November 11, 2018

Study Completion

December 31, 2019

Last Updated

February 11, 2020

Record last verified: 2020-02

Locations