About this trial
The purpose of this study is to evaluate the effectiveness and medium-term maintenance of a structured dog-assisted therapy (DAT) protocol, "Entre Patas e Afetos" (Between Paws and Affections), in reducing pain, anxiety and depressive symptoms and in improving functional status and quality of life in Portuguese patients with fibromyalgia (FM) followed at ULS Alto Ave, with systematic outcome assessment in the immediate post intervention phase (T2), 6-month follow-up (T3) and 12-month follow-up (T4).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 18 years or older
Confirmed diagnosis of fibromyalgia
Being followed at ULS Alto Ave by the Multidisciplinary Pain Unit, Internal Medicine (Auto immune diseases), Physical and Rehabilitation Medicine or Neurology
Ability to read and write Portuguese and to understand the study procedures
Disqualifiers
Allergy to dogs or marked fear of dogs
History of aggression towards animals
History of oncological disease
Concomitant systemic or rheumatologic disease that may confound pain and functional assessment
Trial design
Parallel
Treatments tested in this trial
Behavioral: Dog Assisted Therapy (DAT - "Between Paws and Affections")
BehavioralDog Assisted Therapy (DAT - "Between Paws and Affections") - Intervention group that will receive a total of 10 group sessions at the Psychiatry Day Hospital of ULS Alto Ave, organized into 4 weekly structured sessions (combining psychoeducation on fibromyalgia and chronic pain, functional training and self care, lifestyle counseling and guided relaxation, all mediated by trained therapy dogs and a professional dog handler), followed by 6 monthly guided relaxation "booster" sessions with the dogs.
Behavioral: Psychoeducation and Relaxation without Dogs (Control)
BehavioralControl group that will receive the same 10 session program, with structure, duration and content identical to the DAT arm (4 weekly structured psychoeducation and functional/self care sessions plus 6 monthly guided relaxation "booster" sessions), but delivered entirely without dogs.
Treatment groups
Trial outcomes
Primary outcomes
Pain intensity (maximum and average) and pain interference
Measured by the Portuguese Brief Pain Inventory - Short Form , at T2 (post session 4), T3 (6 month follow up) and T4 (12 month follow up), to capture both short term change and medium term maintenance at 6 and 12 months after the first month (T2). Self reported pain intensity using a Numeric Rating Scale with faces / adapted Wong Baker Faces Pain Scale, collected at each session to monitor pain fluctuations across the acute and maintenance phases.
Fibromyalgia impact and functional status
Measured by the Portuguese Fibromyalgia Impact Questionnaire (FIQ P), at T2, T3 and T4, allowing evaluation of functional changes and their persistence at 6 and 12 months after the first month (T2)
Secondary outcomes
Anxiety and depressive symptoms
Measured by the Hospital Anxiety and Depression Scale - Anxiety (HADS A, Portuguese version) and Depression (HADS D, Portuguese version) subscales, at T2, T3 and T4.
Pain catastrophizing
(total score and subscales: helplessness, magnification, rumination), assessed by the Portuguese version of the Pain Catastrophizing Scale, at T2, T3 and T4, to explore whether reductions observed after 1 month of intervention (T2) are sustained or enhanced at 6 (T3) and 12 (T4) months.
Sponsors and contacts
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University of Minho
Lead sponsor
Unidade Local de Saúde do Alto Ave, EPE
Collaborator