The primary aim of this study was to investigate the changes in alexithymia levels in fibromyalgia patients over a six-month period following a combined treatment and to assess the relationship between changes in fibromyalgia symptom severity and changes in alexithymia levels. Specifically, the study sought to determine if improvements in fibromyalgia symptoms, as measured by the Visual Analog Scale (VAS), were associated with reductions in alexithymia, as measured by the Toronto Alexithymia Scale-20 (TAS-20).
Background and Objectives: Fibromyalgia (FM) is a chronic pain condition characterized by widespread musculoskeletal pain, fatigue, sleep disturbances, and cognitive difficulties. FM affects approximately 0.2-6.6% of the world's population and is more frequent in women. It is known that psychiatric comorbidities are frequently observed in individuals with fibromyalgia (FM). In this context, while depression/major depressive disorder (MDD) stands out as the most commonly encountered psychiatric disorder among individuals diagnosed with FM, bipolar disorder, panic disorder, post-traumatic stress disorder (PTSD), and less frequently, anxiety disorders are also observed. The presence of these comorbidities can affect the clinical course and treatment response of FM, therefore, it is important to consider this condition in the evaluation of FM patients and in the development of treatment plans. Alexithymia, characterized by difficulty identifying and describing feelings and a preference for external thinking, potentially leading individuals to report somatic symptoms like pain rather than emotional experiences. Alexithymia is more prevalent in individuals with fibromyalgia and it correlates with both distress and pain intensity. This study investigates whether successful SSRI treatment in fibromyalgia patients correlates with improved alexithymia levels, exploring the potential link between treatment response and enhanced emotional processing. Methods:This prospective observational cohort study was conducted at Istanbul Physical Medicine and Rehabilitation Training and Research Hospital. Patients diagnosed with fibromyalgia syndrome (FMS) according to American College of Rheumatology criteria were included. Those with psychiatric disorders, neurological conditions causing alexithymia, or under antidepressant treatment were excluded. All participants received duloxetine treatment combined with an aerobic exercise program. Fibromyalgia symptoms were assessed using Visual Analog Scale (VAS) at baseline and 6 months, while alexithymia was evaluated using Toronto Alexithymia Scale-20 (TAS) at baseline, 3, and 6 months. Statistical analysis included repeated measures ANOVA with Greenhouse-Geisser correction, paired t-tests, and correlation analyses, with adjustments for age, BMI, and daily medication count.
All study participants were enrolled in a combined treatment program consisting of both a structured aerobic exercise program (swimming, cycling, or brisk walking for at least three days a week, with each session lasting two hours) and a pharmacological treatment regimen. Patients who did not adhere to the prescribed treatment regimen or who discontinued follow-up were excluded from the study.
İstanbul Physical Medicine and Rehabilitation Hospital
Istanbul, Turkey (Türkiye)
Alexithymia Level
The primary outcomes of this study are changes in alexithymia levels, measured by the Toronto Alexithymia Scale-20 (TAS-20), over the six-month period of treatment follow up.
Time frame: From enrollment to the end of treatment at 6 months
VAS score
Changes in participants' fibromyalgia symptom severity were measured with a Visual Analog Scale (VAS).
Time frame: From enrollment to the end of treatment at 6 months
Correlations between baseline values and post-treatment changes
The examination of associations between baseline Toronto Alexithymia Scale and Visual Analog Scale scores and posttreatment changes in these measures to investigate whether baseline symptom severity or alexithymia levels were predictive of treatment response.
Time frame: From enrollment to the end of treatment at 6 months
Changes in TAS subscales
Changes in the individual subscales (e.g., Difficulty Identifying Feelings, Difficulty Describing Feelings, Externally-Oriented Thinking) could be considered secondary outcomes, providing a more granular understanding of how alexithymia is affected.
Time frame: From enrollment to the end of treatment at 6 months
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Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
123