A trial of a very low calorie diet prior to cholecystectomy operation in obese patients

A randomised, single blinded trial, assessing the effect of a two week preoperative very low calorie diet (VLCD) on laparoscopic cholecystectomy procedure in obese patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN61630192

Enrollment

Registered

2015-03-26

Start date

2011-05-01

Completion date

Unknown

Last updated

2016-10-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obese patients undergoing elective cholecystectomy surgery Nutritional, Metabolic, Endocrine Obesity

Interventions

Intervention group: two week pre-operative very low calorie diet Control group: continue normal diet

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Adult patients with capacity to consent 2. Body mass index (BMI) over 30kg/m2 3. Symptomatic gallstone disease placed on a waiting list for elective laparoscopic cholecystectomy operation

Exclusion criteria

Exclusion criteria: 1. Presence of any pre-existing liver disease 2. Diabetes mellitus 3. Confirmed common bile duct stones 4. Previous abdominal surgery

Design outcomes

Primary

Measure	Time frame
Duration of surgery	—

Secondary

Measure	Time frame
1. Pre-operative weight loss 2. Post operative complication rate 3. Post operative length of stay 4. Post operative day case rate 5. Perceived difficulty of the operation	—

Countries

United Kingdom

Contacts

Public ContactMichael Lewis

michael.lewis@nnuh.nhs.uk+44 (0)1603 287583

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 14, 2026