Life sciences · Interventional Study
ClinicalTrials.gov · November 2, 2026
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Interventional Study.
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Registry record from ClinicalTrials.gov (NCT07627139). This is a study registration, not published results. Lead sponsor: Istanbul Nisantasi University. Recruitment status: RECRUITING. Phase: NA. Study type: INTERVENTIONAL. Enrollment: 165 participants (ESTIMATED). Conditions: Anxiety, Depression, Stress (Psychology). Interventions: BEHAVIORAL: Zihninde Çok Kuran İnsanlar için Salma Rehberi; BEHAVIORAL: Çapa Atmak. Primary outcome measures: Change in Depression, Anxiety, and Stress Scales (DASS-21) total score , Baseline (week 0) to week 8. Brief summary: This study tests whether reading a structured self-help book (bibliotherapy) can reduce anxiety, depression and stress and change unhelpful thinking patterns in medical and health-sciences students. Students in health programs face heavy academic and clinical demands and are at increased risk of emotional distress. A thinking style called the Cognitive Attentional Syndrome (worry, rumination, threat monitoring and unhelpful coping) is thought to link stress to anxiety and depression. Metacognitive therapy targets this thinking style, and low-intensity self-help books may make these principles accessible to students. A total of 165 students at İstanbul Nişantaşı University will be randomly assigned to one of three groups: two groups each receive a different self-help book and read it at their own pace over 8 weeks, and the third group (waitlist) receives the books after the study ends. All participants complete short online questionnaires (DASS-21, CAS-1, MCQ-30) at the start, at week 4 and at week 8, and receive brief telephone calls at weeks 2, 4 and 6 to confirm participation.