NCT06543368

Brief Summary

Orthopedic complications can be injuries or diseases that affect the bones, muscles, and joints. Hemarthropathy is due to bleeding disorders, most commonly hemophilia, and can result in severe issues related to chronic amounts of blood in the body's joints. This causes swelling, pain, and loss of joint function. A serious barrier to treating many patients with bleeding disorders creates higher health risks and costs. Platelet-rich plasma (PRP) injection is a method that can reduce the cost of care while still offering a similar standard of care for patients. This study intends to show that low-cost PRP can be done safely in patients with bleeding disorders, without the need for expensive equipment, while monitoring patient treatment results. Study participants will receive injections for joint conditions. Being in the study requires attending 1 to 2 in-person visits at the study clinic. Participants will also complete surveys using email, text messages, in person, and/or on the phone. Participation lasts about 6 months.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
14

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jul 2024

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 23, 2024

Completed
6 days until next milestone

First Submitted

Initial submission to the registry

July 29, 2024

Completed
11 days until next milestone

First Posted

Study publicly available on registry

August 9, 2024

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 5, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 5, 2025

Completed
10 months until next milestone

Results Posted

Study results publicly available

February 27, 2026

Completed
Last Updated

February 27, 2026

Status Verified

November 1, 2025

Enrollment Period

10 months

First QC Date

July 29, 2024

Results QC Date

November 24, 2025

Last Update Submit

February 23, 2026

Conditions

Keywords

HemophiliaHemarthrosisPRPPlatelet Rich Plasma

Outcome Measures

Primary Outcomes (1)

  • Global Satisfaction (Numeric Rating System)

    Global patient satisfaction was assessed prospectively at 6 months following the intervention using a numeric rating scale ranging from 0 to 100. Participants were asked to rate their overall satisfaction with the treatment outcome, where 0 represented "not satisfied" and 100 represented "completely satisfied." The score reflects the participant's overall perception of their injection, including symptom improvement and overall experience.

    6-months

Secondary Outcomes (3)

  • Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)

    6-months

  • Quick Disabilities of Arm Shoulder and Hand (QuickDASH)

    6-months

  • Foot and Ankle Outcome Score (FAOS): Function

    6-months

Study Arms (1)

PRP Injection

EXPERIMENTAL

45mL of blood is drawn from the subject in a standard-of-care manner into 3 x 20mL syringes, each containing 2mL of sodium citrate (anticoagulant). Each syringe is prepared and capped, then placed into a centrifuge. The resulting separated blood is then drawn off into a single new sterile syringe, which can be used for the injection. Blood and PRP analysis: We will perform a full analysis (a complete blood count \[CBC\] with differential) on subjects' whole blood and their prepared LC-PRP. Importantly, we will include all data required in the PRP minimum reporting standards, including "platelet, differential leukocyte, and red cell analysis of all samples."

Biological: Intra articular PRP Injection

Interventions

A total of 20 joints (estimated 10-15 patients) will receive injections, performed at day 0 and 3 weeks, for a total of two injections - two injections have demonstrated superior outcomes to one, and will increase our number of injections to improve the proof of feasibility. All subjects will receive ultrasound-guided intra-articular joint injections by an experienced sports medicine provider after local anesthesia with 1% lidocaine to the extra-articular structures, namely the skin and joint capsule, to increase comfort.

PRP Injection

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients of any adult age with symptomatic hemarthropathy of the ankle, knee, or elbow, based on radiographs within the last 24 months.
  • Patients must have failed at least six weeks of conventional conservative treatments (such as medication or physical therapy).

You may not qualify if:

  • Prior orthobiologic injection into the affected joint.
  • Thrombocytopenia
  • Inability to receive factor prior to PRP injection.
  • Active systemic or local infection at the site of injection,
  • Non-ambulatory patients
  • Body mass index (BMI) over 50
  • Recent (six month) or current corticosteroid injection/intake.
  • Patients with hemarthropathy in multiple joints will be eligible for up to 2 joints if multiple fit the criteria.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Utah

Salt Lake City, Utah, 84108, United States

Location

Related Publications (36)

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MeSH Terms

Conditions

HemarthrosisHemophilia A

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal DiseasesHemorrhagePathologic ProcessesPathological Conditions, Signs and SymptomsBlood Coagulation Disorders, InheritedBlood Coagulation DisordersHematologic DiseasesHemic and Lymphatic DiseasesCoagulation Protein DisordersHemorrhagic DisordersGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Limitations and Caveats

This study was a single-arm pilot with a small sample size and no control group, limiting the ability to draw causal conclusions or evaluate statistical significance. The study population was drawn from a single center, potentially limiting generalizability. Larger, multi-site randomized trials are needed to confirm reproducibility, efficacy, and define optimal dosing strategies.

Results Point of Contact

Title
Jamie Egbert
Organization
University of Utah

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator, Professor

Study Record Dates

First Submitted

July 29, 2024

First Posted

August 9, 2024

Study Start

July 23, 2024

Primary Completion

May 5, 2025

Study Completion

May 5, 2025

Last Updated

February 27, 2026

Results First Posted

February 27, 2026

Record last verified: 2025-11

Locations