Halitosis clinical trials
The registry lists 88 studies for Halitosis across more than 10 countries. 18 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-24.
Status
- Completed
- 55
- Status unknown
- 10
- Recruiting
- 9
- Not yet recruiting
- 7
- Active, not recruiting
- 4
- Enrolling by invitation
- 2
Phase
- Phase 2
- 11
- Phase 1
- 9
- Phase 4
- 3
- Phase 3
- 2
- Early Phase 1
- 1
Where
- United States
- 15
- Brazil
- 14
- Israel
- 5
- Iraq
- 5
- Greece
- 5
- Turkey (Türkiye)
- 5
Who runs them
University of Nove de Julho (13) · Hadassah Medical Organization (4) · Tokyo Medical and Dental University (3) · University of Athens (3) · Al-Mustansiriyah University (2) · New York Head & Neck Institute (2) · Near East University, Turkey (2) · University of Göttingen (2)
Studies
Recruiting first, then most recently updated. Showing 50 of 88 — search for more.
- Effectiveness of Aquamin® in Mitigating HalitosisRecruitingNCT05058638Phase 21 country
- Effects of a 50+ Toothpaste on Halitosis and Oral Comfort in Healthy AdultsNot yet recruitingNCT07780474Not applicable1 country
- Evaluation of the Safety and Efficacy of SALI-10 Probiotic LozengesRecruitingNCT07508839Not applicable1 country
- Effect of Dental Education Duration on Halitosis and Associated FactorsNot yet recruitingNCT077408761 country
- Innovative Mouthwash in School-Aged Children With Fixed Orthodontic AppliancesNot yet recruitingNCT07710144Not applicable1 country
- Probiotic Vs Zinc Chlorhexidine Zn/CHX Mouthwashes in Control Halitosis and Plaque in Fixed Orthodontic PatientsRecruitingNCT07693972Not applicable1 country
- Tedlar Bag Stability of Volatile Sulfur Compounds for Remote Halitosis DiagnosisNot yet recruitingNCT07602309Not applicable1 country
- Effects of Periodontal Treatment Associated With Antimicrobial Photodynamic Therapy on Halitosis in Patients With Diabetes MellitusRecruitingNCT07463859Not applicable1 country
- The Additional Effect of Tongue Scraping on Halitosis Parameters in Initial Periodontal TherapyRecruitingNCT06091228Not applicable1 country
- Oral Probiotics for Halitosis in Healthy AdultsNot yet recruitingNCT07384130Not applicable1 country
- Halitosis, Sleep and Mental Health in Bariatric Surgery CandidatesNot yet recruitingNCT07175142
- Investigating the Effect of Chlorine Dioxide and Chlorhexidine Mouthwash on Bad BreathEnrolling by invitationNCT06219226Not applicable1 country
- Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at SanfordRecruitingNCT017931682 countries
- Role of Kefir Mouth Wash in Oral Health Status AmeliorationRecruitingNCT06900881Phase 2/31 country
- Comparative Study Between Photodynamic Therapy with LED Associated with Probiotics in the Treatment of HalitosisRecruitingNCT06583720Phase 11 country
- Efficacy of Resveratrol Containing Mouthwash in Reducing Halitosis Related Porphyrymonas Gingivalis.RecruitingNCT06882564Phase 31 country
- Chios Mastic Toothpaste and Halitosis and Oral Hygiene in Orthodontic PatientsNot yet recruitingNCT06766097Not applicable1 country
- The Impact of Non-surgical Periodontal Therapy on Patients' Halitosis, Taste Perception, and Smell SensationEnrolling by invitationNCT060634601 country
- Effects of Green Tea Mouthwash on Halitosis, Periodontal Health, and Stress in Orthodontic PatientsActive, not recruitingNCT07829224Not applicable1 country
- Evaluation of the Stability of Sulfur Volatile Compounds From Exhaled Air for Halitosis DiagnosisCompletedNCT06483646Not applicable1 country
- A Clinical Trial to Evaluate the Effects of Super Liver Liquid Drops on Gut Health, Digestive Comfort, and Daily Energy LevelsActive, not recruitingNCT07742657Not applicable1 country
- Evaluation of Periodontal Treatment in Patients With BronchiectasisCompletedNCT02514226Not applicable1 country
- A Clinical Trial to Evaluate the Effects of Larineco Remineralizing Gum on Oral Health, Breath Freshness, Tooth Sensitivity, and Gum ComfortActive, not recruitingNCT07692581Not applicable1 country
- Oral and Dental Health Status in Patients Suffering From Chronic Kidney DiseaseCompletedNCT02114281Not applicable1 country
- Oral Probiotics and Denture Care in Saudi Arabia: Evaluating Knowledge, Practices, and the Future of Innovative Hygiene SolutionsCompletedNCT074751951 country
- Effect of Whitening Agent With Emulsion Gel in Saliva and HalitosisActive, not recruitingNCT06194123Not applicable1 country
- Antimicrobial Photodynamic Therapy Or Lingual Scraper Associated With Periodontal Treatment In The Reduction Of Halitosis.CompletedNCT07433816Not applicable1 country
- Olfactory Function and Oral Malodor in Periodontitis Before and After Periodontal TherapyCompletedNCT074243001 country
- Evaluation of a Stannous Fluoride Dentifrice for Control of Oral MalodorCompletedNCT07425509Not applicable1 country
- Coblation and Traditional Adenoidectomy: A Comparative StudyCompletedNCT07417007Not applicable1 country
- Effect of Toothpastes on Oral MalodorCompletedNCT07329062Not applicable1 country
- Effect of a Mouthwash Containing Chlorhexidine and Chlorine Dioxide on HalitosisCompletedNCT07265102Not applicable1 country
- Adjunctive Effect of Photodynamic Therapy on HalitosisCompletedNCT06764342Not applicable1 country
- Cotinus Coggygria Mouthwash and Halitosis and Oral Hygiene in Orthodontic PatientsCompletedNCT07254819Not applicable1 country
- The Effect of Oral Probiotics on Oral Hygiene and Halitosis in Orthodontic Patients.CompletedNCT05651503Not applicable1 country
- Impact of Visual Stimuli on Pediatric Oral Hygiene PerformanceCompletedNCT07150429Not applicable1 country
- Effects of Mechanical, Chemical, and Combination Methods on HalitosisCompletedNCT06890104Not applicable1 country
- Chios Mastic Mouthwash and Halitosis and Oral Hygiene in Orthodontic PatientsCompletedNCT05647369Not applicable1 country
- A Clinical Study to Examine the Effects of an Experimental Toothpaste Compared to a Regular Fluoride Toothpaste on Breath Odor in a Population With GingivitisCompletedNCT05524948Not applicable1 country
- Assessment of Photodynamic Therapy With Annatto and Led for the Treatment of Halitosis in Mouth-Breathing ChildrenCompletedNCT05590897Phase 1/21 country
- Effect of Wearing Face Masks on Salivary Parameters and HalitosisCompletedNCT04914208Not applicable1 country
- Questionnaire Regarding the Effect of Wearing Face Masks on Oral HealthCompletedNCT04632004Not applicable1 country
- Comparative Study Between Photodynamic Therapy With Urucum and LED and Probiotics in Halitosis ReductionCompletedNCT03996044Phase 11 country
- Effects of Curcumin-containing Toothpaste on Dental Biofilm and Associated Oral HalitosisCompletedNCT04998617Not applicable1 country
- Evaluation of the Treatment of Halitosis With Photodynamic Therapy in Older Patients With Complete DentureCompletedNCT03960983Not applicable1 country
- Evaluation of Halitosis After Treatment With Photodynamic TherapyCompletedNCT03973684Not applicable1 country
- Treatment of Halitosis With Photodynamic Therapy in Older PatientsCompletedNCT03591484Not applicable1 country
- Evaluation of Clinical and Cost-effectiveness of Different Mouthwashes on Controlling Halitosis Among a Group of Egyptian ChildrenStatus unknownNCT04905940Not applicable
- Effect of an Investigational Lozenge (Biofresh® 4plus) Versus Placebo Control on Oral Malodor (Intra-Oral Halitosis)CompletedNCT05413382Not applicable1 country
- Effectiveness of Different Candies Against Bad BreathCompletedNCT04589481Not applicable1 country