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Completed No phase listed Observational Accepts healthy volunteers

One Week Aligner Evaluation

ClinicalTrials.gov ID: NCT02603289

Public ClinicalTrials.gov record NCT02603289. 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.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to demonstrate that changing aligners weekly provides similar results to changing aligners every two weeks.

Study identification

NCT ID
NCT02603289
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Align Technology, Inc.
Industry
Enrollment
287 participants

Conditions and interventions

Conditions

Interventions

Device

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 31, 2015
Primary completion
Oct 31, 2018
Completion
Jul 31, 2020
Last update posted
Oct 19, 2020

2015 – 2020

United States locations

U.S. sites
23
U.S. states
14
U.S. cities
23
Facility City State ZIP Site status
Dr. Thomas Marcel Livermore California 94550
Dr. Mary Cooke Napa California 94558
Dr. Bella Shen Garnett San Francisco California 94118
Align Technology, Inc. San Jose California 95131
Dr. Robery Van den Berg San Ramon California 94583
Dr. Anil Idiculla Lone Tree Colorado 80124
Dr. Ryan Caudill Merritt Island Florida 32953
Dr. Sean Holliday Pearl City Hawaii 96782
Dr. Jeff Mastroianni Glen Carbon Illinois 62034
Dr. Mark Perelmuter Louisville Kentucky 40207
Dr. James Crouse Salisbury Maryland 21801
Dr. Zvi Kennet Macomb Michigan 48044
Dr. Thomas Everett Burnsville Minnesota 55306
Dr. Justin Wild Eden Prairie Minnesota 55344
Dr. Regina Blevins Inver Grove Heights Minnesota 55076
Dr. William Kottemann Maple Grove Minnesota 55369
Dr. Vincent D'Ascoli Carson City Nevada 89701
Dr. David Chenin Henderson Nevada 89052
Dr. Carlyn Phucas Marlton New Jersey 08053
Dr. David Paquette Mooresville North Carolina 28117
Dr. William Gierie Wilmington North Carolina 28405
Dr. Brian Amy Oklahoma City Oklahoma 73120
Dr. Clark Colville Seguin Texas 78155

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02603289, 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 Oct 19, 2020 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02603289 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →