{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Choice+Task",
    "query": {
      "intervention": "Choice Task"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 136,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Choice+Task&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T08:27:39.480Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01385540",
      "title": "Exploration of Cortical Neural Network in Patients With Bothersome Tinnitus",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Task-Based Functional Magnetic Resonance Imaging (fMRI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 7,
      "start_date": "2011-07",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2012-03-02",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01385540"
    },
    {
      "nct_id": "NCT06312657",
      "title": "Behavioral Effects of Drugs Inpatient 44 Neurobehavioral Mechanisms of Opioid Choice",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Drug Cue",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Money",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Withdrawal",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Joshua A. Lile, Ph.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 2,
      "start_date": "2023-03-01",
      "completion_date": "2025-03-28",
      "has_results": true,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06312657"
    },
    {
      "nct_id": "NCT05945628",
      "title": "Basic Experimental Study of Hippocampal Memory Functions",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Memory"
      ],
      "interventions": [
        {
          "name": "Different cognitive and memory demands during the memory experiment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Different electrical stimulation parameters during cognitive and memory demands",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 66,
      "start_date": "2023-01-16",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05945628"
    },
    {
      "nct_id": "NCT07279441",
      "title": "Cochlear Implants and Listening Effort: the Interaction of Cognitive and Sensory Constraints",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cochlear Implant Users"
      ],
      "interventions": [
        {
          "name": "Experiment 1: Syntactic and Semantic Context",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experiment 2: False Hearing and Context Overuse",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experiment 3: Two-Sentence Problem",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experiment 4: Cascading Effects on Discourse Comprehension",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experiment 5: Self-Paced Discourse Comprehension",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experiment 6: Clinical Application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 460,
      "start_date": "2025-01-02",
      "completion_date": "2030-01-02",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 2,
      "location_summary": "Waltham, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07279441"
    },
    {
      "nct_id": "NCT04043936",
      "title": "Increasing Help-Seeking in Military Service Members",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Military Service Members at Elevated Suicide Risk"
      ],
      "interventions": [
        {
          "name": "Cognitive Bias Modification Intervention for Help-Seeking Stigma",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo Cognitive Bias Modification (CBM-Placebo)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Directed Psychoeducation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2020-04-19",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-04-13",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 2,
      "location_summary": "Tallahassee, Florida • Portsmouth, Virginia",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Portsmouth",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04043936"
    },
    {
      "nct_id": "NCT07564648",
      "title": "Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Addiction",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cigarette Purchase Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cross-Price Elasticity Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Diary Surveys",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Progressive Ratio Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2026-07-27",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07564648"
    },
    {
      "nct_id": "NCT02007876",
      "title": "Mobility and Activity Training (MAT) to Optimize Outcomes for Older Adult Abdominal Surgery Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastrointestinal Malignancy"
      ],
      "interventions": [
        {
          "name": "Mobility and Activity Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-06",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02007876"
    },
    {
      "nct_id": "NCT03556826",
      "title": "Social Value Training in Toddlers With Elevated Autism Symptoms",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Social Value Learning Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Months",
        "maximum_age": "21 Months",
        "sex": "ALL",
        "summary": "15 Months to 21 Months"
      },
      "enrollment_count": 3,
      "start_date": "2019-12-13",
      "completion_date": "2020-03-03",
      "has_results": false,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03556826"
    },
    {
      "nct_id": "NCT05004649",
      "title": "Studying the Effects of Natural Visual Scene Changes on Typical Adult Visual Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Perception"
      ],
      "interventions": [
        {
          "name": "Psychophysical task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2021-08-09",
      "completion_date": "2022-03-23",
      "has_results": true,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05004649"
    },
    {
      "nct_id": "NCT03131817",
      "title": "Cortical Stimulation to Treat Mood and Behavioral Symptoms in Parkinson's Disease Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Medtronic Activa PC+S System with Chronic Neural Recording",
          "type": "DEVICE"
        },
        {
          "name": "Effort-Reward Decision-Making Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prefrontal Cortex Stimulation",
          "type": "OTHER"
        },
        {
          "name": "Tablet-Based Mood Tracking (Immediate Mood Scaler)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Simon J. Little, MBBS, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2016-12-16",
      "completion_date": "2024-06-18",
      "has_results": true,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-09-06T08:27:39.480Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03131817"
    }
  ]
}