Investigating the effect of partial meal replacements on weight loss for people awaiting knee or hip arthroplasty

Not Applicable

Active, not recruiting

• Conditions: Osteoarthritis; Obesity; Diet and Nutrition - Obesity; Musculoskeletal - Osteoarthritis

• Registration Number: ACTRN12621001332819
• Lead Sponsor: Western Sydney University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2021-10-05
• Last Update Posted: 19 September 2022

Recruitment & Eligibility

• Status: Active, not recruiting
• Sex: All
• Target Recruitment: 29

Inclusion Criteria

•Waitlisted for primary unilateral or bilateral total knee or total hip arthroplasty for knee or hip osteoarthritis
•Having a body mass index (BMI) of 30 kg/m2 or more at the time of screening (preference will be given to participants with a higher BMI)
•Willingness to give written consent and willingness to participate to and comply with partial meal replacements and the study protocol.
•Completion of screening for disordered eating

Exclusion Criteria

•Patients unable to understand spoken/written English
•Patients currently participating in a weight loss program or losing >5 kg in the last 3 months
•Patients who have had bariatric surgery within the last 2 years
•Patients with severe mental health problems or conditions that may interfere with the patient's ability to understand the requirements of the study.
•Patients with a primary diagnosis other than osteoarthritis.
•Patients taking insulin

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
To assess whether 5% or more weight loss is achievable for >50% of patients following a clinician-supported 12-week partial meal replacement weight loss program. The weight measurement will be recorded by a research team member (or self reported if pandemic related health restrictions remain in place).[12 weeks after commencing treatment (assessed at 10-16 weeks for participants' convenience),]