Obstetrics and Periodontal Therapy (OPT) Study
Public ClinicalTrials.gov record NCT00066131. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Effects of Periodontal Therapy on Preterm Birth
Study identification
- NCT ID
- NCT00066131
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- University of Minnesota
- Other
- Enrollment
- 823 participants
Conditions and interventions
Conditions
Interventions
- Periodontal scaling and root planing Procedure
- Scaling and root planing Procedure
Procedure
Eligibility (public fields only)
- Age range
- 16 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 28, 2003
- Primary completion
- Nov 30, 2005
- Completion
- Jan 31, 2006
- Last update posted
- Jul 26, 2015
2003 – 2006
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Univerisity of Minnesota School Of Dentistry | Minneapolis | Minnesota | 55455 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00066131, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 26, 2015 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00066131 live on ClinicalTrials.gov.