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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT00154947
Other study ID # 9361700330
Secondary ID
Status Active, not recruiting
Phase N/A
First received September 9, 2005
Last updated July 18, 2006
Start date May 2004
Est. completion date May 2006

Study information

Verified date July 2006
Source National Taiwan University Hospital
Contact n/a
Is FDA regulated No
Health authority Taiwan: Department of Health
Study type Observational

Clinical Trial Summary

With the current therapeutic focus in rheumatoid arthritis (RA) shifting from symptom control to actual disease modification there is a growing demand for more objective and sensitive ways to evaluate structural damage in the joints of these RA patients. Conventional radiography of bone erosion and joint-space narrowing was the only imaging approach available for this. Now significant advantages are offered in terms of speed, precision and scope over conventional methods. These advances include digital radiography and computer aided analysis as well as MRI which allow earlier identification of bone erosion and direct visualization of pre-erosive changes, such as bone inflammation and synovitis. Molecular markers of tissue turnover have been used for decades in clinical trials of osteoporosis, but only recently in RA. In contrast to serum C-reactive protein (CRP), which is only a nonspecific indicator of systemic inflammation and not directly reflective of structural damage to joints, more recently developed molecular markers of synovial, cartilage and bone turnover might provide a better indication of destructive activity of the disease. Compared with radiography and MRI assessment, molecular markers are particularly useful for patient selection and treatment, but can be used in a variety of ways to accelerate clinical trials and reduce the uncertainty and cost of drug development. In this project, we will set up a panel of molecular markers which could show an association with the MRI results and have a quantitative correlation with the degree of joint damage (sensitivity: 90 – 95%; specificity: 80 – 90%). The work in this project includes imaging markers evaluation and molecular markers analysis: X-ray scoring; MRI; Bone degradation markers; Bone formation; Cartilage degradation; Cartilage synthesis; Synovial turnover and Others. Nine molecular markers will be examined: CartiLaps ELISA/CTX-II, Urinary CrossLaps ELISA/CTX-I, and Serum osteocalcin, Serum COMP, MMP-3, Serum PINP, Serum PICP, Urinary PIIINP and Serum YKL-40. The data will be managed to evaluate the significance of correlation to image and clinical reports, so as to get a simple algorithm of parameters (molecular markers) which can reflect the structural damage of joint using mathematics and computer science.


Description:

With the current therapeutic focus in rheumatoid arthritis (RA) shifting from symptom control to actual disease modification there is a growing demand for more objective and sensitive ways to evaluate structural damage in the joints of these RA patients. Conventional radiography of bone erosion and joint-space narrowing was the only imaging approach available for this. Now significant advantages are offered in terms of speed, precision and scope over conventional methods. These advances include digital radiography and computer aided analysis as well as MRI which allow earlier identification of bone erosion and direct visualization of pre-erosive changes, such as bone inflammation and synovitis. Molecular markers of tissue turnover have been used for decades in clinical trials of osteoporosis, but only recently in RA. In contrast to serum C-reactive protein (CRP), which is only a nonspecific indicator of systemic inflammation and not directly reflective of structural damage to joints, more recently developed molecular markers of synovial, cartilage and bone turnover might provide a better indication of destructive activity of the disease. Compared with radiography and MRI assessment, molecular markers are particularly useful for patient selection and treatment, but can be used in a variety of ways to accelerate clinical trials and reduce the uncertainty and cost of drug development. In this project, we will set up a panel of molecular markers which could show an association with the MRI results and have a quantitative correlation with the degree of joint damage (sensitivity: 90 – 95%; specificity: 80 – 90%). The work in this project includes imaging markers evaluation and molecular markers analysis: X-ray scoring (bone erosion and joint-space narrowing); MRI (bone erosion, synovitis, cartilage erosion, tendonitis, ligament rupture); Bone degradation markers (CTX-I, NTX-I, DPD); Bone formation (osteocalcin, alkaline phosphatase, PICP, PINP); Cartilage degradation (CTX-II, COMP); Cartilage synthesis (PIICP, PIINP, glycosaminoglycan); Synovial turnover (Glc-Gal-PYD) and Others (Hyaluronic acid, YKL-40, MMP-1, MMP-3, MMP-13, TIMPs and type III collagen N-propeptide). Nine molecular markers (including bone formation and degradation, cartilage synthesis and degradation) will be examined: CartiLaps ELISA/CTX-II, Urinary CrossLaps ELISA/CTX-I, and Serum osteocalcin, Serum COMP, MMP-3, Serum PINP, Serum PICP, Urinary PIIINP and Serum YKL-40. The data will be managed to evaluate the significance of correlation to image and clinical reports, so as to get a simple algorithm of parameters (molecular markers) which can reflect the structural damage of joint using mathematics and computer science.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 60
Est. completion date May 2006
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

- rheumatoid arthritis

Exclusion Criteria:

Study Design

Observational Model: Case Control, Primary Purpose: Screening, Time Perspective: Longitudinal


Related Conditions & MeSH terms


Locations

Country Name City State
Taiwan Liang-In Lin Taipei

Sponsors (2)

Lead Sponsor Collaborator
National Taiwan University Hospital Palo Alto Medical Foundation

Country where clinical trial is conducted

Taiwan, 

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