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Active, not recruiting No phase listed Observational Accepts healthy volunteers

Release Kinetics in PRF Versus GEM21S With and Without Bone Substitutes: An In Vitro Analysis

ClinicalTrials.gov ID: NCT04964466

Public ClinicalTrials.gov record NCT04964466. 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 Jun 26, 2026, 8:32 PM EDT

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

Official title

Growth Factor Availability and Release Kinetics in PRF Versus GEM21S With and Without Bone Substitutes: An In Vitro Analysis

Study identification

NCT ID
NCT04964466
Recruitment status
Active, not recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Enrollment
5 participants

Conditions and interventions

Conditions

Interventions

  • Amount of PDGF-BB in PRF preparation vs. GEM21 Biological
  • Amount of PDGF-BB available in PRF + bone substitutes vs. rhPDGF-BB+ bone substitutes following preparation Biological
  • Release kinetics of PDGF-BB in PRF + bone substitutes vs. rhPDGF-BB + bone substitutes Biological
  • Release kinetics of PDGF-BB in rhPDGF-BB + PRF + bone substitutes Biological

Biological

Eligibility (public fields only)

Age range
18 Years to 99 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
Aug 30, 2021
Primary completion
Jul 30, 2023
Completion
Nov 30, 2026
Last update posted
Dec 1, 2025

2021 – 2026

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294-0007

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 NCT04964466, 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 Dec 1, 2025 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04964466 live on ClinicalTrials.gov.

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