Halitosis, Sleep and Mental Health in Bariatric Surgery Candidates

NCT07175142 | Not Yet Recruiting

• 1 other identifier: HalitosisBariatricStudy
• Study Type: observational
• Target: 110
• Locations: 0 countries
• Sites: N/A

Brief Summary

This study aims to evaluate psychological distress, sleep quality, and halitosis in obese patients during the preoperative period of bariatric surgery. A total of 110 adults will be assessed using validated questionnaires and a portable halitosis detector. The results may contribute to improving strategies for comprehensive care in this population.

Conditions

Obesity; Bariatric Surgery Candidate; Halitosis; Sleep Disorder; Stress, Psychological

Outcome Measures

Primary Outcomes (1)

• Prevalence of psychological distress (stress, anxiety, and depression)

  Psychological distress will be measured using the Depression, Anxiety, and Stress Scale - short form (DASS-21), validated for Portuguese. The scale consists of 21 items equally distributed among depression, anxiety, and stress domains. Scores will be classified according to standardized cutoff points.

  Baseline

Secondary Outcomes (1)

• Prevalence of halitosis in obese patients before bariatric surgery

  Baseline

Eligibility Criteria

• Age: 18 Years - 90 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

Obese adult patients in the metropolitan region of Santos, Brazil, who are undergoing multidisciplinary assessment in preparation for bariatric surgery within the Brazilian public health system (SUS).

You may qualify if:

• Adults ≥18 years with a diagnosis of obesity
• Referred for psychological care at the "Rosinha Viegas" Interprofessional Outpatient Clinic during preoperative preparation for bariatric surgery (Brazilian public health system - SUS)

You may not qualify if:

• Individuals with cognitive or neurological limitations that impair understanding or participation in the assessment procedures
• Individuals who refuse or withdraw consent

Sponsors & Collaborators

• University of Nove de Julho: lead
• Universidade Metropolitana de Santos: collaborator

MeSH Terms

Conditions

Obesity; Halitosis; Sleep Wake Disorders; Stress, Psychological

Condition Hierarchy (Ancestors)

Overweight; Overnutrition; Nutrition Disorders; Nutritional and Metabolic Diseases; Body Weight; Signs and Symptoms; Pathological Conditions, Signs and Symptoms; Signs and Symptoms, Digestive; Nervous System Diseases; Neurologic Manifestations; Mental Disorders; Behavioral Symptoms; Behavior

Study Design

• Study Type: observational
• Observational Model: OTHER
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: September 9, 2025
• First Posted: September 16, 2025
• Study Start: October 1, 2025
• Primary Completion: March 30, 2026
• Study Completion (Estimated): June 30, 2026
• Last Updated: September 16, 2025

Record last verified: 2025-09