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Clinical Trial Summary

The primary objective of the proposed study is to develop, deliver and assess the feasibility and adherence to a targeted behavioral sleep intervention for sleep impaired obese patients.

Secondary objectives are to demonstrate that a targeted behavioral sleep intervention can improve treatment outcomes in obese adult outpatients enrolled to a lifestyle and dietary modification program; and to demonstrate that a targeted behavioral sleep intervention enhances the long-term maintenance of treatment gains in obese adults enrolled in a lifestyle and dietary modification program.

Those with sleep impairment (sleep duration of ≤6.5hours per 24-hours; and/or poor sleep quality [<85% efficiency]; and/or misaligned nocturnal sleep timing [>03:00 on weekdays]) who are also obese (Body Mass Index [BMI] ≥27.5 kg/m2) will be recruited and randomized to a 12-week weight loss intervention with/without sleep improvement. Volunteers will be followed for a further six months to assess multiple outcome measures.

It is hypothesised that inclusion of a targeted behavioral sleep improvement intervention will be feasible and acceptable and will enhance immediate and long-term treatment outcomes of obese adults enrolled to a lifestyle and dietary modification program. The results of the study will be used to better inform the design and development of a future Randomized Controlled Trial (RCT).

Sleep improvement may be incorporated into weight management treatments as a cost-effective alternative/addition.


Clinical Trial Description

The primary objective of the proposed study is to develop, deliver and assess the feasibility and adherence to a targeted behavioral sleep intervention for sleep impaired obese patients.

Secondary objectives are to demonstrate that a targeted behavioral sleep intervention can improve treatment outcomes in obese adult outpatients enrolled to a lifestyle and dietary modification program; and to demonstrate that a targeted behavioral sleep intervention enhances the long-term maintenance of treatment gains in obese adults enrolled in a lifestyle and dietary modification program.

Those with sleep impairment (sleep duration of ≤6.5hours per 24-hours; and/or poor sleep quality [<85% efficiency]; and/or misaligned nocturnal sleep timing [>03:00 on weekdays]) who are also obese (Body Mass Index [BMI] ≥27.5 kg/m2) will be recruited and randomized to a 12-week weight loss intervention (based on a previously developed specialist lifestyle management program) with/without sleep improvement (based on a cognitive behaviour treatment developed to treatment sleep problems in US military). Volunteers will be followed for a further six months to assess multiple outcome measures. Other secondary measures to be assessed are mood (Hospital Anxiety Depression Scale [HADS], food intake (24-hour food recall), quality of life (IWQOL-LITE & EQ-5D), and sleep (PSQI & RU_SATED), all of which will be assessed using validated questionnaires that have been previously assessed for reliability.

It is hypothesised that inclusion of a targeted behavioral sleep improvement intervention will be feasible and acceptable and will enhance immediate and long-term treatment outcomes of obese adults enrolled to a lifestyle and dietary modification program. The results of the study will be used to better inform the design and development of a future Randomized Controlled Trial (RCT).

Sleep improvement may be incorporated into weight management treatments as a cost-effective alternative/addition. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04243317
Study type Interventional
Source Zayed University
Contact Teresa Arora, PhD
Phone +971544497305
Email Teresa.Arora@zu.ac.ae
Status Recruiting
Phase N/A
Start date September 9, 2019
Completion date December 31, 2022

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