The TREFOIL Concept 5 Year Clinical Investigation
Public ClinicalTrials.gov record NCT02940353. 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
The TREFOIL Concept: A Clinical Investigation in the Mandible on 3 Implants With a Fixed Prefabricated Framework
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Prospective, single cohort, multi-center study evaluating the TREFOIL concept for the treatment of edentulous or patients with failing mandibular dentition over 5 years. 90 patients (15 per centre) will be included. The subject population is at least 18 years old, in need of an implant restored full prosthesis providing sufficient bone in the interforaminal where a fixed restoration on three implants is regarded as an appropriate treatment solution. The components are TREFOIL treatment concept (implants and framework).
Study identification
- NCT ID
- NCT02940353
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 110 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- 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
- Mar 31, 2016
- Primary completion
- May 31, 2022
- Completion
- May 31, 2022
- Last update posted
- Mar 21, 2023
2016 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Dr. Higuchi &Skinner | Spokane | Washington | 99216-1077 | — |
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 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02940353, 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 Mar 21, 2023 · Synced Sep 14, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02940353 live on ClinicalTrials.gov.