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Journal Article
Research Support, Non-U.S. Gov't
Depressive Symptoms Predict Anti-tumor Necrosis Factor Therapy Noncompliance in Patients with Inflammatory Bowel Disease.
Digestive Diseases and Sciences 2017 December
BACKGROUND: Noncompliance in use of anti-tumor necrosis factor (anti-TNF) therapy in patients with moderate-to-severe inflammatory bowel disease (IBD) can be a factor in medication failure. Few studies have evaluated the contribution of depressive symptoms to medication noncompliance in anti-TNF therapies.
METHODS: A retrospective chart review was performed in a single-center tertiary care IBD center for patients with Crohn's disease and ulcerative colitis starting anti-TNF therapy over a 2-year period. Medication noncompliance was defined as interruption of medication (not filling anti-TNF prescription if injectable or not getting infliximab infusion for 30 days beyond needed date for continuation) due to patient-driven circumstances. Depressive symptoms were evaluated at baseline using the well-validated Patient Health Questionnaire-9 (PHQ-9), with PHQ-9 ≥ 10 indicative of at least moderate depressive symptoms. Statistical analysis was performed using Cox proportional hazards regression controlling for age, sex, psychiatric history, and disease.
RESULTS: A total of 246 patients (75 with ulcerative colitis, 171 with Crohn's disease) were started on anti-TNF therapy. Seventy-nine patients (32%) had a prior psychiatric diagnosis reported in the medical record. Thirty-three patients (13%) were noncompliant in follow-up. Sixty patients (24%) had at least moderate depressive symptoms at baseline (PHQ ≥ 10). Depressive symptoms at baseline were significantly associated with noncompliance in follow-up (hazards ratio 2.28, CI 1.1-4.6, p < 0.05).
CONCLUSION: Depressive symptoms at baseline were associated with medication noncompliance of anti-TNF therapies at follow-up when controlling for age, sex, disease type, and history of psychiatric disease.
METHODS: A retrospective chart review was performed in a single-center tertiary care IBD center for patients with Crohn's disease and ulcerative colitis starting anti-TNF therapy over a 2-year period. Medication noncompliance was defined as interruption of medication (not filling anti-TNF prescription if injectable or not getting infliximab infusion for 30 days beyond needed date for continuation) due to patient-driven circumstances. Depressive symptoms were evaluated at baseline using the well-validated Patient Health Questionnaire-9 (PHQ-9), with PHQ-9 ≥ 10 indicative of at least moderate depressive symptoms. Statistical analysis was performed using Cox proportional hazards regression controlling for age, sex, psychiatric history, and disease.
RESULTS: A total of 246 patients (75 with ulcerative colitis, 171 with Crohn's disease) were started on anti-TNF therapy. Seventy-nine patients (32%) had a prior psychiatric diagnosis reported in the medical record. Thirty-three patients (13%) were noncompliant in follow-up. Sixty patients (24%) had at least moderate depressive symptoms at baseline (PHQ ≥ 10). Depressive symptoms at baseline were significantly associated with noncompliance in follow-up (hazards ratio 2.28, CI 1.1-4.6, p < 0.05).
CONCLUSION: Depressive symptoms at baseline were associated with medication noncompliance of anti-TNF therapies at follow-up when controlling for age, sex, disease type, and history of psychiatric disease.
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