NCT00154518

CompletedPhase 1

The Role of Matrix Metalloproteinases (MMPs) in Orthodontic ...

National Taiwan University Hospital Source

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Other study identifiers

Sponsor study identifier

9261701411

Study Type

interventional

Estimated enrollment

12

Locations

1 country

Sites

1

Timeline

Study Start

January 2004

Date type not reported

This date has not been verified as actual or estimated.

Primary Completion

Not reported

Date not reported

Study Completion

December 2005

Date type not reported

This date has not been verified as actual or estimated.

Brief Summary

The purpose of this study is to test whether the two MMPs can be up-regulated during orthodontic treatment. Alveolar bone samples will be collected from partially impacted third molars after orthodontic uprighting for different periods of time in volunteers.

Registry Overview

Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.

Recruitment status: completed
Estimated enrollment: 12 participants
Study completion date: December 2005
Date type not reported
This date has not been verified as actual or estimated.
Listed locations: 1 countries · 1 sites

Trial Relationships

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Some registry-reported names shown below are not yet linked in this graph.

Study Timeline

Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.

Study Start
January 2004
Date type not reported
This date has not been verified as actual or estimated.
First Submitted
September 9, 2005
Actual (reported)
First Posted
September 12, 2005
Actual (reported)
Study Completion
December 2005
Date type not reported
This date has not been verified as actual or estimated.

Last Updated: February 22, 2013
Status Verified: February 2013
Last Update Submitted: February 20, 2013

Conditions

Molar, Third Tooth, Impacted

Keywords

orthodontic tooth movementmatrix metalloproteinaseOrthodontics

Outcome Measures

Primary Outcomes (1)

Tissue staining with antibody

Interventions

Orthodontic treatmentProcedure

Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Eligibility Criteria

Age18 Years - 35 Years

Sexall

Healthy VolunteersYes

Age GroupsAdult (18-64)

You may qualify if:

Two mandibular third molars containing at least one mesially angular impaction with crown exposed to oral cavity

You may not qualify if:

Sponsors & Collaborators

National Taiwan University Hospital
Otherlead

Study Sites (1)

Department of Dentistry, National Taiwan University Hospital

Taipei, Taiwan

MeSH Terms

Conditions

Tooth, Impacted

Interventions

Orthodontics

Condition Hierarchy (Ancestors)

Tooth DiseasesStomatognathic Diseases

Intervention Hierarchy (Ancestors)

Dentistry

Study Officials

Chung-Chen Yao, DDS, PhD
National Taiwan University Hospital
PRINCIPAL INVESTIGATOR

Study Design

Study Type: interventional
Phase: phase 1
Allocation: NON RANDOMIZED
Masking: SINGLE
Purpose: TREATMENT
Intervention Model: FACTORIAL
Sponsor Type: OTHER

Study Record Dates

First Submitted

September 9, 2005

First Posted

September 12, 2005

Study Start

January 2004

Date type not reported

This date has not been verified as actual or estimated.

Study Completion

December 2005

Date type not reported

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Eating Attitudes in Orthodontic Patients

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NCT06602518

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Not ApplicableUnknown

Pregnancy

Contact the study team to confirm eligibility.

This date has not been verified as actual or estimated.

Last Updated

February 22, 2013

Record last verified: 2013-02

Source record

Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.

Source: ClinicalTrials.gov.

JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.

Registry identifier: NCT00154518
Data provider: ClinicalTrials.gov
Source updated: 2013-02-22
Normalization version: ctgov-legacy-1

Open registry record

Source retrieved: 2026-10-25 22:27:01 UTC

Locations

TW(1)

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

Study Start

First Submitted

First Posted

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Interventions

Eligibility Criteria

You may qualify if:

You may not qualify if:

Sponsors & Collaborators

Study Sites (1)

MeSH Terms

Conditions

Interventions

Condition Hierarchy (Ancestors)

Intervention Hierarchy (Ancestors)

Study Officials

Study Design

Study Record Dates

Source record

Locations