anxiety disorders
Overview
Anxiety disorders are a group of common psychiatric conditions characterized by excessive fear, worry, and related behavioral or physiological symptoms that are persistent, distressing, and functionally impairing. Clinically, they include several diagnostic subtypes, but they share core features such as heightened threat sensitivity, autonomic arousal, avoidance behavior, and difficulty regulating anxious responses. They are important contributors to global disability and frequently co-occur with depression, sleep disturbance, post-traumatic stress symptoms, and chronic medical illness.
Biologically and medically, anxiety disorders are studied as complex, multifactorial conditions influenced by neurobiological signaling, stress-response pathways, psychological resilience, and environmental exposures. In recent research, they have been examined both as primary psychiatric outcomes and as comorbid conditions in cancer, fibromyalgia, multiple sclerosis, epilepsy, and pediatric illness. They are also increasingly evaluated in relation to supportive care interventions, digital mental health tools, and predictive modeling from structured electronic health records.
Recent Publications Summary
These publications converge on a shared theme: anxiety is examined less as a primary psychiatric diagnosis than as a comorbid burden accompanying medical illness, caregiving, and clinical procedures. Across oncology, neurology, otology, orthopedics, and pediatrics, anxiety is typically measured alongside depression as a paired outcome, with investigators asking who is at risk and which psychological or behavioral resources buffer that risk.
Cancer contexts account for much of this work, on both the patient and caregiver side. Baseline data from the "Resilient Caregivers" randomized trial examined 79 distressed spousal caregivers of patients undergoing treatment, all scoring ≥4 on the Distress Thermometer and assessed on resilience, social support, valued living, rumination, attention to threat, coping behaviors, and metacognitive beliefs alongside anxiety, depression, and perceived stress; obstruction to valued living, rumination, and attention to threat were significantly negatively correlated with resilience (p ≤ 0.05), and low resilience tracked with worse psychological outcomes 42467380Jul. A parallel cross-sectional study in colorectal cancer patients tested psychological resilience as a mediator between multidimensional social support and anxiety and depression symptoms, framing resilience as the mechanism through which support translates into affective benefit 42154392May. At the population level, a nationwide study estimated post-diagnosis incidence of depression, anxiety disorder, and adjustment disorder across five common Cancers in an Asian population, characterizing real-world psychotropic treatment using dose-standardized exposure to address gaps in cancer-type-specific risk and pharmacotherapy patterns 41619608Jan.
anxiety also appears as a comorbidity shaping outcomes in non-psychiatric disease. In patients undergoing manipulation under anesthesia for frozen shoulder, preoperative anxiety, depression, and insomnia were evaluated as predictors of postoperative recovery, addressing uncertainty about whether mental health status influences clinical trajectory in a condition already marked by pain, stiffness, and sleep disturbance 42339703Jun. In a diverse Norwegian clinical population, somatic complaints in tinnitus patients were characterized in relation to tinnitus, hyperacusis, and symptoms of anxiety and depression, with profiles compared across genders and healthcare services to inform assessment and rehabilitation 42402048Jul.
Intervention research is dominated by non-pharmacological and behavioral approaches. A randomized controlled trial evaluated transdiagnostic internet-delivered cognitive behavioural therapy for depression, anxiety, and disability in adults with multiple sclerosis 41702459Feb, while a Cochrane Review protocol was registered to evaluate and compare the efficacy and safety of non-pharmacological interventions for reducing anxiety and depression symptoms in Parkinson's disease 42339755Jun. In pediatric and family settings, a randomised controlled feasibility trial protocol proposed laughter yoga to reduce depression and anxiety in children with autism spectrum disorder and parenting stress in their parents, with recruitment, retention, protocol adherence, acceptability, and safety as primary feasibility targets 42303395Jun. For procedural anxiety, a randomized controlled trial of virtual reality glasses during inhaler treatment in children measured anxiety, fear, and vital signs, though baseline imbalance favored the control group, with the experimental arm showing significantly higher pulse rate, fear, and anxiety scores at the outset (p = 0.007, p = 0.035, and p = 0.001, respectively) 42151606May.
A distinct methodological strand concerns risk identification rather than treatment. A retrospective case-control study with internal validation compared machine learning and deep learning models for classifying pediatric patients at risk for anxiety disorders using structured electronic health records combined with area-based measures of health, with the stated aim of enabling proactive care by monitoring potential anxiety onset across developmental stages 42118733May. Taken together, this body of work reflects a field oriented toward stratifying risk in medically ill and caregiving populations and testing low-burden, scalable, non-drug interventions, with several entries still at the protocol or feasibility stage and outcome data not yet reported.
What Changes, What Holds
1. anxiety is being treated mainly as a comorbid burden in medical care, not as a standalone psychiatric target
NEW DIRECTION Recent work shifts emphasis toward anxiety as an accompanying outcome in illness, caregiving, and procedures, with depression often assessed in parallel and with attention to who is vulnerable and what buffers distress. That does not displace the established account of anxiety disorders as primary psychiatric conditions, but it broadens the practical frame in which anxiety is now being studied and managed.
2. Resilience and social support look more like risk modifiers than direct fixes for anxiety in cancer settings
REINFORCES These studies sharpen the baseline view that anxiety in cancer is multifactorial and tied to psychological resilience, coping, and environmental support. The new work suggests that low resilience, rumination, and threat focus help explain why some caregivers and patients fare worse, but it does not overturn the established account; it strengthens the case for psychosocial buffering as part of supportive care 42467380Jul42154392May.
3. anxiety is emerging as a prognostic marker in non-psychiatric disease rather than only a symptom burden
NEW DIRECTION Work in frozen shoulder and tinnitus extends anxiety research into outcome prediction and symptom profiling in medical specialties the Overview does not specifically cover. That adds a clinical role for anxiety in assessing recovery and rehabilitation needs, while leaving intact the baseline understanding that anxiety disorders are common, impairing psychiatric conditions. The evidence is observational and specialty-specific, so it suggests utility rather than settling causality 42339703Jun42402048Jul.
4. Non-drug interventions are being tested as scalable ways to reduce anxiety across neurological, pediatric, and procedural settings
REINFORCES This line of work fits the established move toward supportive care interventions and digital mental health tools, rather than changing what anxiety is. Internet-delivered therapy, feasibility-stage behavioral programs, and procedural distraction approaches all reinforce the idea that anxiety can be addressed with low-burden, non-pharmacological strategies, though several studies remain preliminary and some outcomes are still feasibility-focused 41702459Feb42339755Jun.
5. Machine learning is being used to predict anxiety risk before diagnosis, expanding the field from treatment to early identification
METHOD The new modeling work changes how anxiety disorders are studied, not what is known about them. By using structured electronic health records and area-based measures to classify children at risk, it supports the Overview’s mention of predictive modeling as an emerging research direction. The main contribution is methodological: it points toward proactive surveillance and earlier intervention, but it does not alter the clinical definition or core biology of anxiety disorders 42118733May.
Overview update candidates: anxiety as a comorbid burden in medical care; anxiety as a prognostic marker in non-psychiatric disease; predictive modeling for early identification of anxiety risk.
anxiety disorders
Background Contexts
In the literature, the biological baseline, pathological conditions, or disease models commonly surrounding anxiety disorders are described as follows:
- Cancers (Clinical Metric) — 3 papers: PMIDs 42447465, 42407084, 42365615
- major depressive disorder (Disease) — 3 papers: PMIDs 42461416, 42441881, 41791600
- depression levels (Disease) — 2 papers: PMIDs 42347709, 42308218
- insomnia (Disease) — 2 papers: PMIDs 42427053, 41791600
- Parkinson's disease (Disease) — 2 papers: PMIDs 42339755, 42002003
- Adhesive Capsulitis (Disease) — 1 paper: PMIDs 42339703
- adolescents aged 15-19 y (Organism) — 1 paper: PMIDs 42308218
- Adults with disabilities (Organism) — 1 paper: PMIDs 42347709
- advanced serious illness (Disease) — 1 paper: PMIDs 42468952
- anti-seizure medications (Therapy) — 1 paper: PMIDs 41786062
- attention deficit hyperactivity disorder (Disease) — 1 paper: PMIDs 42446902
- autism (Disease) — 1 paper: PMIDs 41765239
Methodologies & Technologies Used
Researchers utilize the following experimental methods, imaging platforms, computational models, or biological reagents to study anxiety disorders:
- Hospital Anxiety and Depression Scale (Clinical Metric) — 3 papers: PMIDs 42189251, 41945755, 39971386
- major depressive disorder (Disease) — 3 papers: PMIDs 42456165, 42437909, 41234186
- State-Trait Anxiety Inventory (Technology) — 3 papers: PMIDs 42462074, 42461416, 42174259
- AI/machine learning (Technology) — 2 papers: PMIDs 42467265, 41785932
- Cox proportional hazards models (Technology) — 2 papers: PMIDs 42420795, 42410329
- Edmonton Symptom Assessment Scale (Technology) — 2 papers: PMIDs 42407084, 42334683
- EORTC QLQ-C30 (Technology) — 2 papers: PMIDs 42334683, 42174259
- Random Forest Regressor (Technology) — 2 papers: PMIDs 42467265, 41785932
- semaglutide (Therapy) — 2 papers: PMIDs 42420795, 42410329
- XGBoost-SHAP (Technology) — 2 papers: PMIDs 42467265, 41785932
- 10-week individualized CBT program (Technology) — 1 paper: PMIDs 42189251
- 180 patients (Organism) — 1 paper: PMIDs 42334683
Molecular Interventions & Targets
The primary molecular pathways, regulatory genes, enzymes, or therapeutic agents actively targeted and manipulated in relation to anxiety disorders include:
- depression levels (Disease) — 2 papers: PMIDs 42339755, 42339703
- depressive outcomes (Disease) — 2 papers: PMIDs 42154392, 41619608
- Depressive symptoms, heart rate and heart rate variability among police officers (Disease) — 2 papers: PMIDs 42303395, 41702459
- major depressive disorder (Disease) — 2 papers: PMIDs 42467380, 42402048
- adjustment disorder (Disease) — 1 paper: PMIDs 41619608
- allopregnanolone (Therapy) — 1 paper: PMIDs 42350326
- bed nucleus of the stria terminalis (Cellular Component) — 1 paper: PMIDs 41234186
- benzodiazepine drug (Therapy) — 1 paper: PMIDs 42338056
- biohydrogen (Chemical) — 1 paper: PMIDs 42350326
- blended trauma-focused cognitive behavioral therapy with compassion (Therapy) — 1 paper: PMIDs 42456165
- CaMKⅡα (Protein) — 1 paper: PMIDs 42002003
- cancer patients and survivors (Other) — 1 paper: PMIDs 42365615
Observed Outcomes & Phenotypes
The phenotypic changes, physiological endpoints, or clinical metrics observed and measured in connection with anxiety disorders include:
- major depressive disorder (Disease) — 10 papers: PMIDs 42468952, 42467265, 42439831, 42420795, etc.
- Depressive symptoms, heart rate and heart rate variability among police officers (Disease) — 5 papers: PMIDs 42410329, 42350326, 42215482, 42189251, etc.
- physical and mental quality of life (Clinical Metric) — 3 papers: PMIDs 42360522, 42215482, 41945755
- Alpha (Biological Process) — 2 papers: PMIDs 41791600, 41234186
- Confidence (Other) — 2 papers: PMIDs 42468952, 41539575
- heart failure (Disease) — 2 papers: PMIDs 42414099, 42215482
- mental disorder (Disease) — 2 papers: PMIDs 42414099, 42410329
- myocardial infarction (Disease) — 2 papers: PMIDs 42414099, 42215482
- severity (Clinical Metric) — 2 papers: PMIDs 42439831, 42189251
- social support (Clinical Metric) — 2 papers: PMIDs 42439831, 41945755
- Theta (Biological Process) — 2 papers: PMIDs 41791600, 41234186
- (chemo)radiotherapy (Biological Process) — 1 paper: PMIDs 42215482
General Takeaways & Clinical Potentials
The high-level concepts, clinical translations, and overarching conclusions proposed in the research surrounding anxiety disorders are summarized below:
- acute pain (Biological Process) — 1 paper: PMIDs 39971386
- Cancers (Clinical Metric) — 1 paper: PMIDs 42360522
- Community-dwelling older adults' perceptions of dignity: core meanings, challenges, supports and opportunities (Other) — 1 paper: PMIDs 42462074
- DERR1-10.2196/94797 (Other) — 1 paper: PMIDs 42446902
- diagnostic accuracy (Other) — 1 paper: PMIDs 41765239
- distress (Clinical Metric) — 1 paper: PMIDs 42461416
- earlier-generation GLP-1 receptor agonists (Therapy) — 1 paper: PMIDs 42420795
- exercise (Biological Process) — 1 paper: PMIDs 42215482
- feasibility study (Other) — 1 paper: PMIDs 42303395
- fully powered multisite efficacy trial (Other) — 1 paper: PMIDs 41945755
- future interventions (Other) — 1 paper: PMIDs 42467380
- Future research (Other) — 1 paper: PMIDs 42334683