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Not yet recruitingNCT06815042Updated Feb 7, 2025

The Analysis of Efficacy Factors for Autologous Platelet-Rich Plasma Therapy in the Treatment of Elbow Tendinopathy

A Phase 4 interventional study of Autologous Platelet-Rich Plasma (PRP) Injection in Elbow Tendinopathy, sponsored by CHA University. Not yet recruiting at 1 site in Korea, Republic of. Open to participants aged 19 Years and older. Per ClinicalTrials.gov, last updated 2025-02-07.

Sponsored by CHA University · Phase 4, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Dec 2025, 11 months ago, but the record still lists the study as not yet recruiting.
Phase
Phase 4
Study type
Interventional
Enrollment
30
Allocation
Not applicable
Ages
19 Years and older
Sex
All
01

Study summary

To identify key factors influencing the effectiveness of platelet-rich plasma (PRP) therapy in treating elbow tendinopathy, a common degenerative condition.

Read the detailed description

This study focuses on evaluating the effectiveness and limitations of platelet-rich plasma (PRP) therapy in treating elbow tendinopathy, a degenerative condition that includes lateral epicondylitis (tennis elbow) and medial epicondylitis (golfer's elbow). These conditions cause pain and reduced function in the elbow, with lateral epicondylitis being more common.

PRP, a regenerative treatment made from the patient's own blood, contains platelets concentrated 3-5 times higher than normal blood, releasing growth factors like TGF-β, PDGF, IGF, and EGF, which help tissue repair. PRP therapy was first introduced for elbow tendinopathy in 2006 and has since been recognized for its potential in pain relief and healing, becoming a reimbursable treatment in Korea since 2023.

However, inconsistent clinical outcomes have been reported due to differences in PRP preparation methods and platelet concentrations. Research suggests that higher platelet counts and specific growth factors may enhance PRP effectiveness. The International Society on Thrombosis \& Haemostasis classifies PRP based on platelet concentration, with some studies indicating that higher levels of TGF-β and IL-1β improve outcomes.

This study aims to identify the key components of PRP that influence treatment success, focusing on platelet concentration and growth factor levels. The goal is to establish optimal PRP preparation guidelines to ensure consistent and effective results for elbow tendinopathy, ultimately improving patient outcomes.

02

Conditions studied

  • Elbow Tendinopathy

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Keywords

  • Platelet Rich Plasma
  • Protein Array Analysis
  • Growth factor
  • Patient-Rated Tennis Elbow Evaluation
03

In context

Elbow Tendinopathy

26 studies on the registry are indexed under Elbow Tendinopathy; 9 are open to participants now.

This study's planned enrollment of 30 is below the median of 40 across 23 interventional studies indexed under Elbow Tendinopathy.

Browse Elbow Tendinopathy studies →

Lead sponsor

CHA University is the lead sponsor of 54 studies on the registry; 17 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
19 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Adults aged 19 years or older
  • Diagnosed with elbow tendinopathy
  • Persistent pain despite receiving conservative treatment

Exclusion criteria

Exclusion Criteria:

  • Individuals with systemic infection at the time of study participation
  • Patients with rheumatic diseases or inflammatory disorders
  • Individuals with unstable systemic conditions affecting the cardiovascular, gastrointestinal, respiratory, or endocrine systems
  • Any other cases deemed inappropriate for study participation by the investigator
05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    PRP Treatment Arm

    Participants in this arm will receive autologous platelet-rich plasma (PRP) therapy for the treatment of elbow tendinopathy. The PRP is prepared from the patient's own blood and injected into the affected area to evaluate its clinical effectiveness. The study aims to analyze the relationship between PRP composition, including platelet concentration, white blood cell count, and specific growth factors, and treatment outcomes.

    Biological: Autologous Platelet-Rich Plasma (PRP) Injection

Interventions

  • Participants will receive autologous PRP injections prepared from their own blood to treat elbow tendinopathy. PRP is a plasma product with a 3-5 times higher platelet concentration than normal blood, containing growth factors such as TGF-β, PDGF, IGF, and EGF, which are known to promote tissue repair and regeneration. The PRP will be injected directly into the affected tendon area to evaluate its clinical effectiveness and the relationship between platelet concentration, growth factors, and treatment outcomes.

06

What researchers measure

Primary outcomes

  1. Change in Patient-Rated Tennis Elbow Evaluation (PRTEE) Score

    The PRTEE is a validated questionnaire used to assess pain and functional disability in patients with elbow tendinopathy. It consists of 15 items divided into pain (5 items) and function (10 items). Scores range from 0 to 100, with higher scores indicating more severe pain and functional impairment. A decrease in score reflects improvement in symptoms.

    Time frame: Baseline, 1 week, 2 weeks and 4 weeks after the intervention

07

Study locations

1 site
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Feb 2025; primary completion for Dec 2025, 10 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Feb 3, 2025
First posted
Feb 7, 2025
StartEst.
Feb 2025
Primary completionEst.
Dec 2025
CompletionEst.
Dec 2025
Last update
Feb 7, 2025
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Feb 7, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT06815042
Lead sponsor
CHA University
Responsible party
Sponsor
First posted
Feb 7, 2025
Start date
Feb 2025 (estimated)
Primary completion
Dec 2025 (estimated)
Completion
Dec 2025 (estimated)
Last update
Feb 7, 2025

Study contacts

Kyunghoon Min, MD, PhD.
Contact
minkhrm@gmail.com
82-31-780-1892
Younji Kim, MD
Contact
yunji0114@naver.com
82-10-2876-3662

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Feb 2025. You cannot join it, but the record below documents what was studied.

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Discussion

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Studies of the drug tested here: Platelet rich plasma

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