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Socio-economic Determinants for Acceptance and Choice of Biological Treatment

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ClinicalTrials.gov Identifier: NCT04369651
Recruitment Status : Completed
First Posted : April 30, 2020
Last Update Posted : May 1, 2020
Sponsor:
Information provided by (Responsible Party):
Shweta Nakarmi, National Center for Rheumatic Diseases, Nepal

Brief Summary:
This was a cross-sectional study conducted at National center for rheumatic diseases, Nepal on SpA patient refractory to initial treatment with conventional anti rheumatic drugs. Patients taking TNFi (tumor necrosis factor inhibitor- adalimumab or etanercept) or tofacitinib were included. Baseline demographic, socio-economic, clinical data were recorded.

Condition or disease
Spondyloarthritis

Detailed Description:

This was a cross-sectional observational study conducted in the rheumatology clinic of National Center for Rheumatic Diseases, Kathmandu, Nepal. Patients with spondyloarthropathy (SpA) and enrolled in the cohort database from June 2015 to December 2019 were selected. Those taking any oral or injectable forms of biological treatment were included in the study. Patients less than 18 years of age, who did not consent for participation or additional information, who were deferred from biological treatment due to comorbid conditions like concurrent infections or heart failure were excluded. An informed consent was obtained from selected patients and any additional information required was taken via e-mail or telephone enquiry.

Diagnostic & measurement tools Diagnosis of SpA was made by rheumatologists on the basis of the modified New York Criteria for Ankylosing Spondylitis and the ASAS criteria (Assessment of SpondyloArthritis International Society) for axial and peripheral SpA. Diagnosis of nr-axial SpA was made by MRI evidence of sacroilitis in a patient with normal radiograph with or without HLA B27. Disease activity was assessed using composite Ankylosing Spondylitis Disease Activity Score (ASDAS) and the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI).

Socioeconomic status Socioeconomic factors studied were educational level and the primary occupation. Patient self-reported highest educational level was recorded and was categorized into illiterate, primary, secondary, higher secondary, above secondary level education. Occupation and social class were recorded based on self-report primary source of income. It was categorized into homemakers, students, service holders, business, teachers, farmers and others (field workers, labor workers). A dedicated research officer also took data on other demographic parameters and geographical location of residence. Geographical location was categorized into urban-rural and hilly-plain terrain.

Indications for offering biological treatment Indications for biological or small molecule treatment included: a. Failure of at least 2 courses of NSAIDS, b. Failure of at least 3months of conventional synthetic DMARDs (csDMARDs). For patients with PsA, the csDMARDs included methotrexate and/or leflunomide; for AS, nr-axial SpA and IBD-associated arthritis, it included sulfasalazine and/or methotrexate. Failure of treatment was defined as: a. Persistent ASDAS of ≥2.1, b. Improvement of ASDAS by less than -1.1, c. Persistent BASDAI of ≥4. All patients fulfilling these indications were offered biological treatment. Patients with no contraindication for TNFi were offered either injectable biologicals (adalimumab or etanercept: only TNFi available in Nepal) or tofacitinib (only small molecule available in Nepal) and explained about the preparatory investigations, dosage of TNFi, storage, cost, monitoring and side-effects.

Data collection and analysis Complete data on baseline demographic parameters (age, gender, address, education, occupation) and ASDAS and BASDAI scores at initiation of treatment with biological or small molecule were recorded in a hardcopy data-sheet and later entered to a predesigned excel-sheet by a trained research officer.

Statistical analysis was performed using SPSS version 21 (IBM Corp, USA). Simple descriptive statistics were used to analyze various socioeconomic and demographic parameters. Chi-squared test was used to analyze difference in these parameters between patients who chose injectable and those who chose tofacitinib. Linear regression analysis was performed to identify variables associated with use of any biological agent. All variables with p-value of <0.05 were analyzed in multiple regression model to evaluate the independent association. Difference in mean values between two treatment groups were assessed by independent t-test.

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Study Type : Observational
Actual Enrollment : 117 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Socio-economic Determinants for Acceptance and Choice of Biological Treatment by Patients With Spondyloarthropathy in Nepal
Actual Study Start Date : June 1, 2015
Actual Primary Completion Date : December 31, 2019
Actual Study Completion Date : December 31, 2019

Resource links provided by the National Library of Medicine





Primary Outcome Measures :
  1. socio economic determinants [ Time Frame: four years ]
    socio economic determinants for acceptance of biologic therapy



Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patients with SpA and enrolled in the cohort database from June 2015 to December 2019 were selected.
Criteria

Inclusion Criteria:

  • patients with spondyloarthropathy
  • on any oral or injectable forms of biological treatment

Exclusion Criteria:

  • less than 18years of age
  • who did not consent for participation
  • deferred from biological treatment due to comorbid conditions like concurrent infections or heart failure
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Responsible Party: Shweta Nakarmi, Study coordinator, National Center for Rheumatic Diseases, Nepal
ClinicalTrials.gov Identifier: NCT04369651    
Other Study ID Numbers: 210/2017
First Posted: April 30, 2020    Key Record Dates
Last Update Posted: May 1, 2020
Last Verified: April 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Shweta Nakarmi, National Center for Rheumatic Diseases, Nepal:
socio-economic determinants
biologic
Nepal
low income country
spondyloarthroathy
Additional relevant MeSH terms:
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Spondylarthritis
Spondylitis
Spinal Diseases
Bone Diseases
Musculoskeletal Diseases
Arthritis
Joint Diseases