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NCT05106088 Clinical Trial

Variation in Humeral Head Bone Marrow Characteristics With Rotator Cuff Repair Healing

Rotator Cuff Tears Clinical Trial

Official title:
Variation in Humeral Head Bone Marrow Characteristics and Their Associations With Rotator Cuff Repair Healing

Clinical Trial Details — Status: Active, not recruiting

Administrative data
NCT number NCT05106088
Other study ID # 21-811
Secondary ID
Status Active, not recruiting
Phase
First received
Last updated
Start date November 22, 2021
Est. completion date December 22, 2024

Study information
Verified date May 2024
Source The Cleveland Clinic
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study investigates correlations between humeral head bone marrow characteristics and tendon healing of rotator cuff repairs. The anticipated results would motivate future research aimed to investigate local enrichment or transplantation of connective tissue progenitor cells to augment rotator cuff repair and the pursuit of novel methods of bone marrow screening to preoperatively identify patients with bone marrow characteristics related to rotator cuff repair success or failure.

Description:

Healing following rotator cuff repair (RCR) remains a significant clinical challenge, and repair failure rates of 20-30% continue to be reported. To date limited attention has been directed toward understanding how intrinsic mechanistic factors may contribute to variable healing rates following RCR. The objective of this proposal is to quantify the variability of the humeral head bone marrow in patients undergoing RCR and test the prognostic significance of the local concentration of connective tissue progenitors (CTPs) for tendon healing. Our approach will be to enroll 50 patients undergoing RCR. At the time of RCR, 8 ml of bone marrow will be aspirated from the humeral head for quantitative progenitor cell assays. A core biopsy at the tendon repair footprint will be collected for histologic analysis of bone marrow composition. Tendon healing will be assessed by MRI (Sugaya score) at 6 months follow-up, the timeframe in which majority of re-tears occur The variation of bone marrow characteristics among patients will be described (Aim 1) and their correlation with rotator cuff tendon healing will be investigated (Aim 2). The proposal seeks to shift the investigational paradigm to intrinsic patient biologic factors, a fundamental and under-investigated realm of potential prognostic factors of RCR healing. Demonstrating that humeral head characteristics associate with re-tear after RCR will support future work to develop tools to screen patient bone marrow for characteristics predictive of RCR success or failure and advance novel methods that promote local enrichment or transplantation of progenitor cells to augment RCR.

Recruitment information / eligibility
Status Active, not recruiting
Enrollment 50
Est. completion date December 22, 2024
Est. primary completion date December 22, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - Males or females - 18-75 years - 1-5 cm full thickness tear of the supraspinatus and/or infraspinatus tendon(s) that is fully reparable by double row technique as confirmed at surgery Exclusion Criteria: A 35 point exclusion criteria covers a variety of shoulder, musculoskeletal and general heath related conditions such as: - prior shoulder surgery (including rotator cuff repair) - symptomatic cervical spine disease - a frozen shoulder-- defined as a loss of passive range of motion (ROM) of more than 20° in any plane compared to the contralateral shoulder - advanced (grade 3 or 4) glenohumeral arthritis - worker's compensation cases - isolated subscapularis tears.

Study Design

Related Conditions & MeSH terms

Locations
Country Name City State
United States Cleveland Clinic Cleveland Ohio

Sponsors (1)
Lead Sponsor Collaborator
The Cleveland Clinic

Country where clinical trial is conducted

United States, 

Outcome
Type Measure Description Time frame Safety issue
Primary Tendon healing Sugaya score, 1-5 classification from MR imaging 6 months post-operation
Primary Tendon healing Tendon retraction (mm) from CT imaging 6 months post-operation
See also
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