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Do Text Message Reminders Increase Preoperative Exercise in Obesity Surgery Candidates?

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01607177
Recruitment Status : Completed
First Posted : May 28, 2012
Last Update Posted : November 14, 2013
Health Research Council, New Zealand
Information provided by (Responsible Party):
SACS, University of Auckland, New Zealand

Brief Summary:
Preoperative exercise has been shown to improve physiological and functional capacity in patients undergoing abdominal surgery to prepare them for the stress of surgery. Patients undergoing bariatric surgery are advised to partake in regular preoperative exercise. In the setting of bariatric surgery, as well as preparing patients for the stress of surgery, it is also thought to increase the likelihood that they will exercise postoperatively. However, compliance to this advice is extremely low. Text-message interventions have been shown to improve compliance to other lifestyle interventions. The investigators will compare the rate of compliance to preoperative exercise prior to bariatric surgery in patients who receive a daily text message to those who do not. The investigators will also compare weight loss.

Condition or disease Intervention/treatment Phase
Perioperative Care Bariatric Surgery Obesity Behavioral: Daily text message reminders Phase 3

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 102 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Text Messaging to Improve Adherence to Prehabilitation in Patients Undergoing Bariatric Surgery: a Randomised Controlled Trial
Study Start Date : August 2012
Actual Primary Completion Date : August 2013
Actual Study Completion Date : September 2013

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Text message group
Patients randomised to this group will receive daily text message reminders used to motivate them to exercise in the preoperative period. They will also receive an exercise information sheet to complement the text messages.
Behavioral: Daily text message reminders
Daily text message reminders to motivate patients to exercise in conjunction with an exercise information sheet.

No Intervention: No text message group
Patients randomised to this group will receive standardised exercise advice but will not receive the text message reminders or the exercise information sheet.

Primary Outcome Measures :
  1. Proportion of patients partaking in the minimum recommended amount of weekly physical activity [ Time Frame: 6 weeks post recruitment ]
    >450 METmins per week of physical activity as measured by the internationally and locally validated IPAQ questionnaire.

Secondary Outcome Measures :
  1. Postoperative Physical Activity [ Time Frame: 6 weeks postoperatively ]
    Quantity of physical acitivty will be measured as METmins per week as measured by the IPAQ questionnaire

  2. Functional capacity [ Time Frame: Baseline and 6 weeks post recuitment (preoperatively) ]
    Measured using the 6 minute walk test

  3. Length of Hospital Stay [ Time Frame: As assessed at day of discharge ]
    Total number of days spent in hospital following their operation

  4. Short term weight loss [ Time Frame: Out to 6 months postoperatively ]
    Postoperative weight loss as measured by percentage of excess weight loss

  5. Perioperative complications [ Time Frame: Out to 30 days postoperatively ]
    Prospectively recorded postoperative complications graded according the Clavien-Dindo classification system

Information from the National Library of Medicine

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Ages Eligible for Study:   20 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients having laparoscopic sleeve gastrectomy at Manukau Surgery Centre
  • Operation used primarily for the treatment of morbid obesity

Exclusion Criteria:

  • Operation not performed at Manukau Surgery Centre
  • Patient does not have a mobile phone which can receive text messages

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01607177

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New Zealand
Manukau Surgery Centre
Auckland, Manukau City, New Zealand, 2241
Sponsors and Collaborators
University of Auckland, New Zealand
Health Research Council, New Zealand
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Principal Investigator: Andrew G Hill, MBChB, MD, EdD, FRACS, FACS South Auckland Clinical School, University of Auckland
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Responsible Party: SACS, Professor Andrew G. Hill, University of Auckland, New Zealand Identifier: NCT01607177    
Other Study ID Numbers: Bariatric Prehabilitation
First Posted: May 28, 2012    Key Record Dates
Last Update Posted: November 14, 2013
Last Verified: November 2013
Additional relevant MeSH terms:
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Nutrition Disorders
Body Weight