{"@context": "https://schema.org", "@type": "Dataset", "name": "DepressionDC", "description": "This dataset is metadata", "identifier": "doi:10.1016/S0140-6736(23)00640-2", "url": "https://doi.org/10.1016/S0140-6736(23)00640-2", "dateCreated": "2025-09-22 07:32:05.311169+00:00", "dateModified": "2026-03-31 09:23:31.249780+00:00", "keywords": ["Depression DC trial was conducted at eight hospitals in Germany. Participants aged between 18-65 years were eligible if they had a diagnosis of MDD, a Hamilton Depression Rating Scale (21-item version) score ≥15, no response to an antidepressant trial in the current depressive episode and treatment with a SSRI for a minimum of four weeks before study enrolment. Participants were allocated (1:1) by fixed-block randomization either to receive 30 min of 2mA bifrontal tDCS every weekday for 4 weeks, then two tDCS sessions per week for 2 weeks, or sham stimulation at the same intervals.\r\n\r\nPrimary outcome:\r\n\r\nChange on the Montgomery- Åsberg Depression Rating Scale (MADRS) at week 6.\r\n\r\nTrial registration:\r\n\r\nClinicalTrials.gov (NCT02530164)\r\n\r\nAdditional Materials:\r\n\r\nhttps://osf.io/cpw6f/overview", ""], "variableMeasured": [{"@type": "PropertyValue", "name": "subjid_drv", "choices and codes": "", "description": "patient ID - calculated", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "siteid", "choices and codes": "", "description": "site ID", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "patid", "choices and codes": "", "description": "patient no.", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "group", "choices and codes": "A, shamtdcs | B, activetdcs", "description": "treatment group", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "itt", "choices and codes": "1, yes | 0, no", "description": "intention to treat", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "pp", "choices and codes": "1, yes | 0, no", "description": "per protocol", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "age_at_randomization", "choices and codes": "", "description": "age_at_randomization", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sex", "choices and codes": "1, female | 2, male | 55, other", "description": "sex", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sextxt", "choices and codes": "", "description": "sex: other - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "preg", "choices and codes": "0, negative | 1, positive | 77, not applicable", "description": "pregnancy test", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "pregna", "choices and codes": "", "description": "pregnancy test: not applicable - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "conyn", "choices and codes": "1, yes | 0, no", "description": "willingness to use contraceptive", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "race", "choices and codes": "1, caucasian | 2, asian | 3, african | 4, other", "description": "race", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "racetxt", "choices and codes": "", "description": "race: other - specification ", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "age_at_onset_dep", "choices and codes": "", "description": "age at onset of depression", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "duration_of_depressive_episode_months", "choices and codes": "", "description": "Duration of depressive episodes in months", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "epiyn", "choices and codes": "0, no | 1, yes", "description": "single or recurrent episode with a duration of at least 4 weeks?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh1", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: severe physical impairment?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh1txt", "choices and codes": "", "description": "family history: severe physical impairment - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh2", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: severe anxiety disorder?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh2txt", "choices and codes": "", "description": "family history: severe anxiety disorder - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh3", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: depressive disorder?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh3txt", "choices and codes": "", "description": "family history: depressive disorder - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh4", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: alcohol or drug dependency?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh4txt", "choices and codes": "", "description": "family history: alcohol or drug dependency - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh5", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: schizophrenic disorder or psychosis?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh5txt", "choices and codes": "", "description": "family history: schizophrenic disorder or psychosis - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh6", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: manic-depressive (bipolar) disorder?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh6txt", "choices and codes": "", "description": "family history: manic-depressive (bipolar) disorder - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh7", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: mental disability?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh7txt", "choices and codes": "", "description": "family history: mental disability - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh8", "choices and codes": "1, yes | 0, no | 99, not known | 77, not applicable", "description": "family history: dementia?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fh8txt", "choices and codes": "", "description": "family history: dementia - who", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "app_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: general appearance", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "app_pedesc", "choices and codes": "", "description": "affected organ system: general appearance - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "skin_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: skin", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "skin_pedesc", "choices and codes": "", "description": "affected organ system: skin - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "head_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: head or neck", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "head_pedesc", "choices and codes": "", "description": "affected organ system: head or neck - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "eye_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: eyes", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "eye_pedesc", "choices and codes": "", "description": "affected organ system: eyes - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ear_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: ear or nose or throat", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ear_pedesc", "choices and codes": "", "description": "affected organ system: ear or nose or throat - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "pul_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: pulmonary system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "pul_pedesc", "choices and codes": "", "description": "affected organ system: pulmonary system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "car_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: cardiovascular system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "car_pedesc", "choices and codes": "", "description": "affected organ system: cardiovascular system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gas_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: gastrointestinal system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gas_pedesc", "choices and codes": "", "description": "affected organ system: gastrointestinal system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gen_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: genitourinary system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gen_pedesc", "choices and codes": "", "description": "affected organ system: genitourinary system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "lym_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: lymphatic system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "lym_pedesc", "choices and codes": "", "description": "affected organ system: lymphatic system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mus_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: musculosceletal system", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mus_pedesc", "choices and codes": "", "description": "affected organ system: musculosceletal system - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ext_peres", "choices and codes": "0, no | 1, yes", "description": "affected organ system: extremities", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ext_pedesc", "choices and codes": "", "description": "affected organ system: extremities - specification", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "pulse", "choices and codes": "", "description": "pulse (in sitting position; per minute)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sysbp", "choices and codes": "", "description": "blood pressure: systolic (in sitting position; mmhg)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "diabp", "choices and codes": "", "description": "blood pressure: diastolic (in sitting position; mmhg)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "weight", "choices and codes": "", "description": "weight (kg)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "height", "choices and codes": "", "description": "height (cm)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "bmi", "choices and codes": "", "description": "BMI (kg/m2)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "hsi", "choices and codes": "", "description": "head size (cm)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "smoyn", "choices and codes": "1, yes | 0, no", "description": "smoker?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "smopy", "choices and codes": "", "description": "pack years (cigarette packs per day x years)", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fagyn", "choices and codes": "1, yes | 0, no", "description": "fagerstr\u00f6m test for nicotine dependence (FTND) performed?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "fag", "choices and codes": "", "description": "fagerstr\u00f6m test for nicotine dependence (FTND) - total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ehiyn", "choices and codes": "1, yes | 0, no", "description": "edinburgh handedness inventory (EHI) performed?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ehi1", "choices and codes": "", "description": "EHI - total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "hdryn", "choices and codes": "1, yes | 0, no", "description": "hamilton depression rating scale, 21-item version (HDRS-21) performed?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "hdr1", "choices and codes": "", "description": "HDRS-21 - total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "hdr0", "choices and codes": "", "description": "HDRS-21 not performed - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "madyn", "choices and codes": "1, yes | 0, no", "description": "Montgomery-Asberg Depression Rating Scale (MADRS) performed?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad0", "choices and codes": "", "description": "MADRS not performed - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad1", "choices and codes": "", "description": "MADRS no. 1 - apparent sadness", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad2", "choices and codes": "", "description": "MADRS no. 2 - reported sadness", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad3", "choices and codes": "", "description": "MADRS no. 3 - inner tension", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad4", "choices and codes": "", "description": "MADRS no. 4 - reduced sleep", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad5", "choices and codes": "", "description": "MADRS no. 5 - reduced appetite", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad6", "choices and codes": "", "description": "MADRS no. 6 - concentration difficulties", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad7", "choices and codes": "", "description": "MADRS no. 7 - lassitude", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad8", "choices and codes": "", "description": "MADRS no. 8 - inability to feel", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad9", "choices and codes": "", "description": "MADRS no. 9 - pessimistic thoughts", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "mad10", "choices and codes": "", "description": "MADRS no. 10 - suicidal thoughts", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "madsum", "choices and codes": "", "description": "MADRS - total score ", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "bdi1yn", "choices and codes": "1, yes | 0, no", "description": "Beck Depression Inventory (BDI-II) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "bdi10", "choices and codes": "", "description": "BDI-II not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "bdi2yn", "choices and codes": "1, yes | 0, no", "description": "BDI-II filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "bdisum", "choices and codes": "", "description": "BDI-II - total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ssryn", "choices and codes": "1, yes | 0, no", "description": "columbia-suicide severity rating scale (C-SSRS) performed?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ssr0", "choices and codes": "", "description": "C-SSRS not performed - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ssr4", "choices and codes": "1, yes | 0, no | 77, not applicable", "description": "C-SSRS item 4 - active suidical ideation with some intent to act, without specific plan", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ssr5", "choices and codes": "1, yes | 0, no | 77, not applicable", "description": "C-SSRS item 5 - active suicidal ideation with specific plan and intent", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ctq1yn", "choices and codes": "1, yes | 0, no", "description": "childhood trauma questionnaire (CTQ) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ctq10", "choices and codes": "", "description": "CTQ not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ctq2yn", "choices and codes": "1, yes | 0, no", "description": "CTQ filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "ctqsum", "choices and codes": "", "description": "CTQ total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sni1yn", "choices and codes": "1, yes | 0, no", "description": "social network index (SNI) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sni10", "choices and codes": "", "description": "SNI not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sni2yn", "choices and codes": "1, yes | 0, no", "description": "SNI filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "snino1", "choices and codes": "", "description": "SNI number of high-contact roles", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "snino2", "choices and codes": "", "description": "SNI number of people in social network", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "snino3", "choices and codes": "", "description": "SNI number of embedded networks", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cd1yn", "choices and codes": "1, yes | 0, no", "description": "Connor-Davidson Resilience Scale (CD-RISC) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cd10", "choices and codes": "", "description": "CD-RISC not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cd2yn", "choices and codes": "1, yes | 0, no", "description": "CD-RISC filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cdsum", "choices and codes": "", "description": "CD-RISC total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "shap1yn", "choices and codes": "1, yes | 0, no", "description": "snaith-hamilton-pleasure scale, german version (SHAPS-D) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "shap10", "choices and codes": "", "description": "SHAPS-D not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "shap2yn", "choices and codes": "1, yes | 0, no", "description": "SHAPS-D filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "shapsum", "choices and codes": "", "description": "SHAPS-D total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "stai1yn", "choices and codes": "1, yes | 0, no", "description": "state-trait anxiety inventory (STAI) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "stai10", "choices and codes": "", "description": "STAI not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "stai2yn", "choices and codes": "1, yes | 0, no", "description": "STAI filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "staisum1", "choices and codes": "", "description": "STAI-State total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "staisum2", "choices and codes": "", "description": "STAI-Trait total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cgiyn", "choices and codes": "1, yes | 0, no", "description": "clinical global impression (CGI) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cgisum", "choices and codes": "", "description": "clinical global impression, severity of illness (CGI-S) score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cgiisum", "choices and codes": "", "description": "clinical global impression, global improvement (CGI-I) score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "cgi0", "choices and codes": "", "description": "CGI not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gafyn", "choices and codes": "1, yes | 0, no", "description": "global assessment of functioning (GAF) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gafsum", "choices and codes": "", "description": "GAF total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "gaf0", "choices and codes": "", "description": "GAF not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sf1yn", "choices and codes": "1, yes | 0, no", "description": "Short Form Health Survey (SF-36) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sf10", "choices and codes": "", "description": "SF-36 not administered - reason", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sf2yn", "choices and codes": "1, yes | 0, no", "description": "SF-36 filled out?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum1", "choices and codes": "", "description": "SF-36 - physical functioning", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum2", "choices and codes": "", "description": "SF-36 - role-physical", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum3", "choices and codes": "", "description": "SF-36 - bodily pain", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum4", "choices and codes": "", "description": "SF-36 - general health", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum5", "choices and codes": "", "description": "SF-36 - vitality", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum6", "choices and codes": "", "description": "SF-36 - social functioning", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum7", "choices and codes": "", "description": "SF-36 - role-emotional", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "sfsum8", "choices and codes": "", "description": "SF-36 - mental health", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "whoyn", "choices and codes": "1, yes | 0, no", "description": "WHO disability assessment schedule (WHO-DAS 2.0) administered?", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "whosum", "choices and codes": "", "description": "WHO-DAS total score", "fieldAnnotation": ""}, {"@type": "PropertyValue", "name": "who0", "choices and codes": "", "description": "WHO-DAS not administered - 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