Online Cognitive Behavior Therapy for Anxiety Related to Pediatric Asthma

This study will use an uncontrolled pretest-posttest design, all participants will receive the intervention. The intervention consists of 8 weekly modules delivered over internet with guided support from an experienced CBT-trained psychologist. Assessments will be made pretreatment, weekly during treatment for the primary outcome and potential mediators, posttreatment, at the primary endpoint 2 months after treatment completion and at follow up 6 months after treatment completion. Thirty participants (aged 8-17 years) will be included. All outcome data will be collected digitally and include for feasibility: treatment credibility, working alliance, compliance with the treatment (number of modules completed) and with asthma medications as prescribed by the child´s physician, any adverse events, subjective overall relief and satisfaction with treatment. For potential efficacy, the clinical effect in the group will be analyzed on pre- to post-measurements, including weekly measurements and 2 months follow up after treatment termination (primary endpoint). The participants will be followed 6 months after treatment completion to analyze longer term clinical effects. Recruitment and inclusion procedure Participants will be self-recruited through advertisements in social media and posters at pediatric health care clinics. Potential participants will undergo an online self-report screening of eligible criteria. The parents and adolescents 15 and older, will receive digital information about the study and leave their written consent online. The screening will be followed by an evaluation with a clinical psychologist using a structured interview based on the DSM diagnostic. During the clinical interview, the children (\>age 15) will receive information about the study and leave their informed consent orally. The families will have the opportunity to ask questions about the study and confirm previous written consent. After inclusion, participants may start their treatment immediately.