Clinical Research Directory

Inclusion Criteria: * Adults aged 18 to 80 years. * Diagnosis of osteoarthritis confirmed through clinical examination or radiological assessment by a medical professional. * Chronic pain associated with osteoarthritis with a minimum duration of three months. * Pain intensity related to osteoarthritis assessed using the Numeric Rating Scale (NRS). * Able to read and understand Indonesian. * Not currently receiving regular psychological therapy. * Willing and able to participate in all study procedures. * Provide written informed consent before participation. Exclusion Criteria: * Diagnosis of severe psychiatric disorders, including schizophrenia, bipolar disorder, or major depressive disorder with current suicide risk. * Diagnosis of neurological disorders associated with seizure risk, such as epilepsy. * Current regular use of medications with significant central sedative effects, including benzodiazepines, opioid analgesics at sedating doses, or sedating antihistamines. * Current participation in hypnosis or other similar nonpharmacological psychological interventions during the study period. * Hearing impairment or communication difficulties that prevent understanding of study procedures or completing questionnaires. * Serious concurrent medical conditions that may interfere with participation, such as advanced cancer or severe cardiovascular disease. * Inability or unwillingness to complete the intervention sessions and follow up assessments.