Effect of fasting diet in sleeve surgery

Investigation the effect of intermittent fasting diet in comparison with calorie restriction diet on pre-, intra- and postoperative clinical outcomes in patients undergoing sleeve gastrectomy surgery: A clinical trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200301046655N2

Enrollment

Registered

2023-08-13

Start date

2023-07-23

Completion date

Unknown

Last updated

2023-08-21

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

Conditions

Sleeve gastrectomy surgery. Bariatric surgery status

Interventions

Intervention 1: Intervention group: Intermittent fasting diet of 16:8 type (16 hours only allowed to receive water, non-energy drinks, tea, coffee and free consumption of food for 8 hours), in case of

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Willingness to participate in the study Body mass index = 40 A candidate for elective sleeve gastrectomy surgery American Society of Anesthesiology classification grade: 1-2

Exclusion criteria

Exclusion criteria: Vegetarians Previous history of bariatric surgery Diabetics treated with insulin People with uncontrolled high blood pressure

Design outcomes

Primary

Measure	Time frame
Liver size. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: sonography.;Weight. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: scales.;Body mass index. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: The ratio of weight (in kilograms) to the second power of height in meters.;Lipid profile. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: blood test.;Liver enzymes. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: blood test.;Duration of anesthesia. Timepoint: From the time of the induction of anesthesia to extubation of the patient. Method of measurement: in minutes and from the patient's medical record.;Duration of surgery. Timepoint: The duration of surgery from the time of prep and drape to the completion of suturing. Method of measurement: in minutes and from the patient's medical record.;Duration of hospitalization. Timepoint: From the time of admission to the surgical department until discharge. Method of measurement: by day and through the patient's medical record.	—

Measure

Time frame

Liver size. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: sonography.;Weight. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: scales.;Body mass index. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: The ratio of weight (in kilograms) to the second power of height in meters.;Lipid profile. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: blood test.;Liver enzymes. Timepoint: At the beginning of the study (before the start of the intervention) and before surgery. Method of measurement: blood test.;Duration of anesthesia. Timepoint: From the time of the induction of anesthesia to extubation of the patient. Method of measurement: in minutes and from the patient's medical record.;Duration of surgery. Timepoint: The duration of surgery from the time of prep and drape to the completion of suturing. Method of measurement: in minutes and from the patient's medical record.;Duration of hospitalization. Timepoint: From the time of admission to the surgical department until discharge. Method of measurement: by day and through the patient's medical record.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactRazieh Khalooeifard

Tehran University of Medical Sciences

shkhalooei1367@gmail.com+98 21 6634 8500

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026