Please assess the completion status of the following clinical trial:

Trial Title: Controlling Oral Malodor by ClōSYS Oral Rinse

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~1. Subject has read, signed, and received a copy of the Informed Consent prior to Study initiation.~2. Subject is able to follow verbal and/or written instructions, perform oral hygiene procedures and return to the test facility for specified Study examinations.~3. Subject is between the ages of 21 and 65 years of age, male or female.~4. Subject has normal oral interior cheek wall tissues.~5. Subject is in good general health as determined by medical history and clinical judgment that no severe or debilitating disease exists that would impede participation in the Study.~6. Subject must have an average organoleptic intensity rating of at least 2.6 but maximum 4.5 on an intensity scale of 0-5.~Exclusion Criteria:~1. Pregnant or nursing per subject report.~2. Diagnosis of Xerostomia, including medication induced Xerostomia.~3. Any oral or extraoral piercing that interferes with the ability to perform study procedures and/or clinical assessments in the mouth.~4. Fixed or removable oral appliance, such as orthodontic brackets or retainer, partial or complete dentures.~5. Have advanced periodontal disease or excessive gingival recession, per Investigator/Examiner discretion.~6. A known allergy or sensitivity to products planned for use in this study.~7. Unwillingness to abstain from all other oral hygiene products other than those prescribed for the duration of the study.~8. Heavy deposits of calculus, either supragingival and/or subgingival, per Investigator/Examiner discretion.~9. Have a history of severe transmittable infectious disease (hepatitis, HIV, tuberculosis).~10. Have a medical or dental condition that would be unduly affected by participation in this study, per Investigator discretion.~11. Any other condition that Principal Investigator would consider interfering with the study.~12. Smokers.

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: 65 Years
- Healthy Volunteers: t

Study Arms:
- Test-Unflavored Rinse then Placebo Unflavored Rinse (Type: ACTIVE_COMPARATOR): Participants will receive CloSYS unflavored rinse containing 0.1% stabilized chlorine dioxide (sodium chlorite) in an aqueous solution for 3 weeks,. After a washout period of 2 weeks, they will then receive Placebo unflavored rinse containing containing NO 0.1% stabilized chlorine dioxide for 3 weeks.
- Test-Flavored Rinse then Placebo Flavored Rinse (Type: ACTIVE_COMPARATOR): Participants will receive CloSYS mint-flavored rinse containing 0.1% stabilized chlorine dioxide (sodium chlorite) in an aqueous solution for 3 weeks. After a washout period of 2 weeks, they will then receive Placebo flavored rinse containing NO 0.1% stabilized chlorine dioxide for 3 weeks.
- Flavored Oral Rinse-Placebo then Test-Flavored Rinse (Type: PLACEBO_COMPARATOR): Participants will receive CloSYS mint flavored rinse containing NO 0.1% stabilized chlorine dioxide for 3 weeks. After a washout period of 2 weeks, they will then receive CloSYS mint-flavored rinse containing 0.1% stabilized chlorine dioxide (sodium chlorite) in an aqueous solution for 3 weeks.
- Unflavored Oral Rinse-Placebo then Test-Unflavored Rinse (Type: PLACEBO_COMPARATOR): Participants will receive CloSYS unflavored rinse containing NO 0.1% stabilized chlorine dioxide for 3 weeks. After a washout period of 2 weeks, they will then receive unflavored rinse containing 0.1% stabilized chlorine dioxide (sodium chlorite) in an aqueous solution for 3 weeks.

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: complete