NCT01107340

Brief Summary

This is a multicentre post-marketing prospective study to evaluate performance and clinical outcomes of AMIIStem primary hip system.

Trial Health

78
On Track

Trial Health Score

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

Enrollment
500

participants targeted

Target at P75+ for not_applicable

Timeline
20mo left

Started Jan 2010

Longer than P75 for not_applicable

Geographic Reach
2 countries

2 active sites

Status
active not recruiting

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress91%
Jan 2010Jan 2028

Study Start

First participant enrolled

January 1, 2010

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

April 15, 2010

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 20, 2010

Completed
17.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2028

Last Updated

December 16, 2024

Status Verified

December 1, 2024

Enrollment Period

18 years

First QC Date

April 15, 2010

Last Update Submit

December 11, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Assessment of implant survivorship using Kaplan Meier curve

    10 years after surgery

Secondary Outcomes (4)

  • Assessment of the patient's physical level of activity using the Oxford Hip Score

    pre-op, annually post-op up to 10 years

  • Assessment of the improvement in quality of life and joint movement using the EuroQol-5D score

    pre-op, annually post-op up to 10 years

  • Assessment of implant survivorship as a measure of safety using Kaplan Meier curve

    6 months, 3 years, 5 years, 7.5 years, 10 years after surgery

  • Assessment of the clinical outcome following total hip replacement using the Harris Hip Score

    pre-op, 6 months, 3 years, 5 years, 7.5 years, 10 years after surgery

Study Arms (1)

AMIStem Hip System

OTHER

Patients who comply with the protocol and received an AMIStem femoral component.

Device: AMIStem Hip System

Interventions

AMIStem Hip System

Eligibility Criteria

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

You may qualify if:

  • Patient is a good candidate for a primary hip arthroplasty using AMIStem Hip System
  • Patient is willing and able to give informed consent to participate in the follow-up program
  • Patient is suitable for surgery and able to participate in the follow-up program.
  • Those presenting with disease that meets the indication for use for Medacta implants defined in the study (on-label use)

You may not qualify if:

  • Acute systemic or chronic infection
  • Skeletal immaturity
  • Severe muscular, neurological, vascular deficiency or other pathologies of the affected limb that may compromise the stability of the implant.
  • Bone condition that may compromise the stability of the implant.
  • Patient who are unwilling or unable to give consent, or to comply with the protocol and the follow-up program.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Uniklinik Balgrist

Zurich, 8008, Switzerland

Location

The Elective Orthopaedic Centre (EOC)

Epsom, Surrey, KT18 7EG, United Kingdom

Location

MeSH Terms

Conditions

OsteoarthritisArthritisOsteonecrosisHip Dislocation, Congenital

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal DiseasesRheumatic DiseasesBone DiseasesNecrosisPathologic ProcessesPathological Conditions, Signs and SymptomsDevelopmental Dysplasia of the HipMusculoskeletal AbnormalitiesCongenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Officials

  • Richard E Field, PhD FRCS

    British Orthopaedic Association

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 15, 2010

First Posted

April 20, 2010

Study Start

January 1, 2010

Primary Completion (Estimated)

January 1, 2028

Study Completion (Estimated)

January 1, 2028

Last Updated

December 16, 2024

Record last verified: 2024-12

Locations