CClinicalTrials.gg
Status unknownNCT04524429Updated Aug 24, 2020

Quality of Life After Bariatric Surgery

An observational study in Bariatric Surgery Candidate, Obesity and Obesity, Morbid, sponsored by University of Adelaide. Status unknown at 1 site in Australia. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2020-08-24.

Sponsored by University of Adelaide · Observational

The sponsor has not verified this record recently (last verified Aug 2020), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
300
Ages
18 Years and older
Sex
All
01

Study summary

This study aims to assess long term outcomes for patients who have underwent bariatric surgery. In particular, it aims to assess the quality of life of these participants.

02

Conditions studied

  • Bariatric Surgery Candidate
  • Obesity
  • Obesity, Morbid
  • Quality of Life
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In context

Obesity

6,296 studies on the registry are indexed under Obesity; 1,695 are open to participants now.

This study's planned enrollment of 300 is above the median of 135 across 1,283 observational studies indexed under Obesity.

Browse Obesity studies →

Lead sponsor

University of Adelaide is the lead sponsor of 42 studies on the registry; 6 are open to participants now.

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

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Pre-operative Group The pre-operative population will be patients who have been referred to TQEH bariatric clinic however have not yet had their initial appointment. The 150 participants who have been on the waiting list for the longest period of time will be included in the pre-operative group.

Post-operative Group The post-operative population will be the 140 patients who underwent bariatric surgery at TQEH between 2008 and 2018. This resulted in 146 operations.

Inclusion criteria

  • Obese, either received bariatric surgery or have been referred for bariatric surgery.

Exclusion criteria

Exclusion Criteria:

  • Emergency cases, Obese patients who have not been referred for bariatric surgery.
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Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
300 participants (estimated)
Patient registry
No

Groups and cohorts

  • Pre-operative Group

    This is the group of participants who suffer from obesity and are awaiting bariatric surgery.

  • Post-operative Group

    This is the group of participants who suffer from obesity and have received bariatric surgery.

    Procedure: Bariatric Surgery

Interventions

  • ProcedureBariatric Surgery

    Bariatric surgery includes sleeve gastrectomy and gastric bypass.

06

What researchers measure

Primary outcomes

  1. Quality of life before and after bariatric surgery

    Difference in SF-36 between post-bariatric surgical patients and representative pre-operative patients who have not undergone bariatric surgery (quality of life).

    Time frame: This represents the patients current quality of life within the last 4 weeks.

Secondary outcomes

  1. Current Weight

    This represents the patients current weight in kilograms.

    Time frame: This is the patients current weight within the last 4 weeks

  2. Lowest Weight

    This represents the patients lowest weight after bariatric surgery

    Time frame: Retrospectively reviewed on average of 5 years

  3. Change in marker of Type 2 Diabetes Mellitus

    Using HbA1C scores and use of insulin

    Time frame: Preoperative use compared to results within the last 4 weeks

  4. Change in marker of hypertension

    Number of medications used to manage condition

    Time frame: Preoperative use compared with use in the last 4 weeks

  5. Change in marker of hyperlipidemia

    Number of medications used to manage condition

    Time frame: Preoperative use compared with use in the last 4 weeks

  6. Change in marker of GORD

    Number of medications used to manage condition

    Time frame: Preoperative use compared with use in the last 4 weeks

  7. Change in marker of OSA

    Use of CPAP

    Time frame: Preoperative use compared with use in the last 4 weeks

07

Study locations

1 of 1 sites recruiting
  • The Queen Elizabeth Hospital
    Adelaide, South Australia 5011, Australia
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 24, 2020, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04524429
Lead sponsor
University of Adelaide
Collaborators
Central Adelaide Local Health Network Incorporated
Responsible party
Antonio Barbaro (Associate Clinical Lecturer, University of Adelaide) — Principal investigator
First posted
Aug 24, 2020
Start date
Jun 23, 2020
Primary completion
Dec 20, 2020 (estimated)
Completion
Feb 1, 2021 (estimated)
Last update
Aug 24, 2020

Study contacts

Antonio Barbaro, MBBS
Contact
antonio.barbaro@sa.gov.au
8222 6000 ext. 08
Antonio Barbaro, MBBS
principal investigator · University of Adelaide, Central Adelaide Local Health Network
Matheesha Herath, MBBS
principal investigator · Central Adelaide Local Health Network
Raghav Goel, MBBS
principal investigator · Central Adelaide Local Health Network
Gayatri Asokan, MBBS, FRACS
principal investigator · Central Adelaide Local Health Network
Markus Trochsler, MD, FMH, MMIS, FRACS
study director · Central Adelaide Local Health Network
Harsh Kanhere, MS, FRACS, AFRACMA
study director · Central Adelaide Local Health Network

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Aug 2020. You cannot join it, but the record below documents what was studied.

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