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Efficacy of a weight loss dietary intervention in combination with behavioral Acceptance and Commitment Therapy on Weight management and Quality of Life in adults with Overweight and obesity: A Cluster Randomized Controlled Trial

Efficacy of a weight loss dietary intervention in combination with behavioral Acceptance and Commitment Therapy on Weight management and Quality of Life in adults with Overweight and obesity: A Cluster Randomized Controlled Trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20170812035642N4
Enrollment
130
Registered
2025-03-09
Start date
2025-04-09
Completion date
Unknown
Last updated
2025-07-21

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

Conditions

Condition 1: Overweight and Obesity. Condition 2: Quality of Life. Overweight and obesity

Interventions

Intervention 1: Intervention group: Individuals in this group receive three interventions: Weight Loss Diet, Acceptance and Commitment Behavioral Therapy intervention, and Physical Activity interventi
Session 1: Getting to know and building relationships with group members, psycho-education, understanding cognitive fusion, mindfulness, and emotion from an ACT perspective, and distributing a questio
Session 2: Discussing experiences and evaluating them, creating creative frustration, asking individuals to talk about their anxieties, and reviewing the effectiveness of the next week's practice
Session 3: Introducing the desire to experience emotion as an alternative to control, the degree of apparent success in controlling emotions, programming internal events, and practicing numbers
Session 4: Review of previous session experiences, behavioral task and commitment, introduction of fault-finding, application of cognitive fault-finding techniques, rest and reception, intervention in
Session 5: Review of observer's task and behavioral commitment, showing the separation between self, inner experiences and behavior, observing self as a context, weakening self-concept and self-expres
Session 6: Performance assessment, application of mindfulness methods, conflict between experience and mind, rest and receptio

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 59 Years

Inclusion criteria

Inclusion criteria: Adults Aged 20-59 Years Overweight or Obese People (Body Mass Index 25-40) Both Genders Living in Tehran Willingness to Participate in the Study

Exclusion criteria

Exclusion criteria: Being Pregnant or Breastfeeding or Planning to Become Pregnant in the Next 12 Months Follow a Special Diet Suffering from Diabetes, Cancer, Alzheimer's, Parkinson's, Liver and Kidney Diseases, History of Stroke and Heart Attack, Rheumatoid Arthritis and Other Chronic Diseases Based on the Person's Statement. Current Treatment with Anti-Obesity or Blood Sugar-Lowering Medications History of Bariatric Surgery Night Shift Workers People with Depression and Taking Anti-Depressants Inability to Perform Physical Activities

Design outcomes

Primary

MeasureTime frame
Body Weight. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Digital scale.—

Secondary

MeasureTime frame
Quality of Life. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Quality of Life Questionnaire 5 Dimensions 5 Levels.;Body Mass Index. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Wall Height Gauge and Digital Scale.;Waist Circumference. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Tape Measure.;Waist-to-Hip Ratio. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Tape Measure.;Waist-to-Height Ratio. Timepoint: Beginning of the Intervention (Before the Start of the Intervention) and End of the Intervention (After the End of the 12-Weeks Intervention). Method of measurement: Tape Measure and Wall Height Gauge.—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSakineh Shabbidar

Tehran University of Medical Sciences

s_shabbidar@tums.ac.ir+98 21 8895 5742

Outcome results

None listed

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