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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03886155
Other study ID # 18-1511
Secondary ID
Status Completed
Phase
First received
Last updated
Start date May 1, 2019
Est. completion date December 2, 2021

Study information

Verified date December 2021
Source The Cleveland Clinic
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The investigators will prospectively evaluate for the presence of amyloid deposits in soft tissue samples obtained from patients undergoing trigger finger release surgery. Patients who have tissue that stains positive for amyloid will be referred to an amyloidosis specialist.


Description:

A prospective study in 2001 showed that 23% (n = 47) of biopsies for idiopathic trigger finger were positive for Congo red staining but negative for ATTR and AL amyloid via immunohistochemistry. However, mass spectrometry is now the preferred method to type amyloid tissue. Trigger finger pathology involves the same flexor tenosynovium that passes through the carpal tunnel and has been biopsied to diagnose amyloidosis. Our recent study found that 10% of older patients undergoing carpal tunnel release surgery were positive for amyloidosis, with 20% of that group presenting with cardiac involvement. 60% of the amyloid-positive group had a history of trigger finger. Surgical intervention for trigger finger could provide an opportunity to screen for amyloidosis through tenosynovial biopsy. This study will look at the prevalence of amyloidosis in patients undergoing surgical intervention for idiopathic trigger finger. The study hypothesis is at least 10% of such patients will be positive for amyloidosis.


Recruitment information / eligibility

Status Completed
Enrollment 107
Est. completion date December 2, 2021
Est. primary completion date July 2, 2020
Accepts healthy volunteers No
Gender All
Age group 50 Years and older
Eligibility Inclusion Criteria: - Age =50 years at the time of surgical biopsy. - Undergoing surgical intervention for idiopathic trigger finger. - Able to consent. Exclusion Criteria: - Known history of amyloidosis.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Biopsy
During clinically-scheduled trigger finger release surgery, soft tissue will be removed from the trigger finger tenosynovium (which may include synovial sheath and subcutaneous fat tissue) and send to pathology to be analyzed with amyloid-specific staining.

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, 

References & Publications (2)

Cordiner-Lawrie S, Diaz J, Burge P, Athanasou NA. Localized amyloid deposition in trigger finger. J Hand Surg Br. 2001 Aug;26(4):380-3. — View Citation

Sperry BW, Reyes BA, Ikram A, Donnelly JP, Phelan D, Jaber WA, Shapiro D, Evans PJ, Maschke S, Kilpatrick SE, Tan CD, Rodriguez ER, Monteiro C, Tang WHW, Kelly JW, Seitz WH Jr, Hanna M. Tenosynovial and Cardiac Amyloidosis in Patients Undergoing Carpal Tunnel Release. J Am Coll Cardiol. 2018 Oct 23;72(17):2040-2050. doi: 10.1016/j.jacc.2018.07.092. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of amyloidosis in older patients undergoing trigger finger release Incidence of amyloid deposits in soft tissue removed from trigger finger tenosynovium in older patients undergoing trigger finger release surgery Baseline to 30 days
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