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Efficacy and Safety of a Lifestyle App (DEX-1-OB) with GLP-1/GIP Therapy in Obesity

A Single-center, Randomized, Open-label, Parallel-group, Controlled, Exploratory Study to Evaluate the Efficacy and Safety of a Lifestyle Modification Application (DEX-1-OB) as an Add-on to GLP-1/GIP Receptor Agonist Therapy in Adults with Obesity

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0012263
Enrollment
40
Registered
2026-07-13
Start date
2026-06-08
Completion date
Unknown
Last updated
2026-07-20

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

Conditions

None listed

Interventions

Drug, Behavioral, Others(life modification application) : 1. Lifestyle Intervention Application Name: DEX-1-OB smartphone application Frequency and Duration of Use: Participants will be encouraged to

Sponsors

Kangbuk Samsung Medical Center
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Adults aged =19 years who meet the criteria for obesity: -BMI = 30 kg/m², or - BMI 27 to <30 kg/m² with at least one obesity-related comorbidity (e.g., hypertension, dyslipidemia, prediabetes, obstructive sleep apnea, or cardiovascular disease). 2)Naïve to tirzepatide, or with the last administration occurring at least 3 months prior to Visit 1. 3)Willing to comply with recommended hypocaloric diet and exercise throughout the study. 4)Able to use a smartphone and the mobile application required for the study. 5)Provided written informed consent after fully understanding the study procedures.

Exclusion criteria

Exclusion criteria: 1)Hypersensitivity to tirzepatide or any of its components. 2)Secondary causes of obesity or musculoskeletal disorders that limit the ability to perform exercise. 3)Clinically significant systemic diseases (e.g., cardiovascular, hepatic, renal, endocrine, neurological, or psychiatric) that may compromise safety or study outcomes. 4)Use of anti-obesity medications or weight-altering treatments within 3 months prior to Visit 1. 5)Diabetes mellitus, defined as fasting plasma glucose =126 mg/dL or current use of antidiabetic medications. 6)History of acute or chronic pancreatitis, or personal/family history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia type 2 (MEN2). 7)History of bariatric surgery or planned bariatric procedures during the study. 8)Uncontrolled hypertension (systolic blood pressure =160 mmHg or diastolic blood pressure =100 mmHg). 9)Clinically significant laboratory abnormalities, including: -TSH =0.1 µIU/mL or =10 µIU/mL -Creatinine =2× the upper limit of normal (ULN) -AST or ALT =3× ULN 10)Participation in another investigational drug trial within 4 weeks prior to Visit 1. 11)Failure to use appropriate contraception when the partner is of childbearing potential. 12)Any other condition that, in the investigator’s judgment, makes the participant unsuitable for the study.

Design outcomes

Primary

MeasureTime frame
The baseline-adjusted between-group difference in the least squares (LS) mean percent change in body weight from baseline to Week 12

Secondary

MeasureTime frame
Change from baseline to Week 12 in anthropometric measurements, including: Body mass index (BMI) Waist circumference;Change from baseline to Week 12 in body composition parameters, including: Fat mass Lean mass Percent body fat;Change from baseline to Week 12 in glycemic parameters, including: Fasting plasma glucose (FPG) Glycated hemoglobin (HbA1c) Fasting insulin Homeostatic Model Assessment of Insulin Resistance (HOMA-IR);Percent change from baseline to Week 12 in lipid parameters, including: Total cholesterol Low-density lipoprotein cholesterol (LDL-C) High-density lipoprotein cholesterol (HDL-C) Triglycerides;Change from baseline to Week 12 in blood pressure, including: Sitting systolic blood pressure (sitSBP) Sitting diastolic blood pressure (sitDBP)

Countries

Korea, Republic of

Contacts

Public ContactKyoung-nam Kim

Kangbuk Samsung Medical Center

quinon1@naver.com+82-2-2001-1802

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Jul 23, 2026