{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Listening+Effort",
    "query": {
      "condition": "Listening Effort"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T17:07:16.221Z",
  "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": "NCT06516575",
      "title": "Listening Effort in Cochlear Implant Users",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Auditory Perception; Abnormal",
        "Hearing Loss, Sensorineural",
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "sentence manipulations",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 450,
      "start_date": "2023-09-01",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06516575"
    },
    {
      "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": "2026-06-27T17:07:16.221Z",
      "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": "NCT03087045",
      "title": "Behavioral Manifestations of Listening Effort",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Listening Effort"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2017-03-13",
      "completion_date": "2017-03-18",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03087045"
    },
    {
      "nct_id": "NCT07020728",
      "title": "Clarity in Motion Phase-1 Perceptual Study of Speech Intelligibility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Solo: Unmasked Speech Stimuli",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Raw: Fully masked speech--no motion stimuli",
          "type": "BEHAVIORAL"
        },
        {
          "name": "StatScrub: Extracted Speech--no motion stimuli",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SlideSpch: Scrubbed Speech emitted from linearly moving speaker stimuli",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SlideNoise: Speech Scrubbed from linearly moving and stationary noise stimuli",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SlideMic: Stationary sources scrubbed from a linearly moving mic stimuli",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Speech Technology and Applied Research Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2024-08-01",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-25",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07020728"
    },
    {
      "nct_id": "NCT00804700",
      "title": "Impact of Two Methods of Listening to Music During Exercise on Perceived Exertion and Overall Physical Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Lifestyle"
      ],
      "interventions": [
        {
          "name": "Active teaching in synchronous listening to music while exercising",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "20 Years to 55 Years"
      },
      "enrollment_count": 46,
      "start_date": "2008-12",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-04-23",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00804700"
    },
    {
      "nct_id": "NCT06053190",
      "title": "Effects of Clear Speech on Listening Effort and Memory in Sentence Processing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech",
        "Memory, Delayed",
        "Sensorineural Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Sentence stimulus",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Speaking style",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-09-12",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-13",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06053190"
    },
    {
      "nct_id": "NCT07116135",
      "title": "Speech Understanding and Listening Effort Benefits of Hearing Instruments",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "hearing instruments",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-02-05",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07116135"
    },
    {
      "nct_id": "NCT05855005",
      "title": "Direct-to-Consumer Hearing Aids and Listening Effort",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Hearing Loss, Sensorineural",
        "Hearing Loss, Bilateral"
      ],
      "interventions": [
        {
          "name": "DTC Hearing Aids",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 30,
      "start_date": "2022-10-25",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Evanston, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855005"
    },
    {
      "nct_id": "NCT05584514",
      "title": "Effects of Listening Effort on Sentence Processing and Memory (Study 1)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sentence Stimulus",
        "Auditory Noise"
      ],
      "interventions": [
        {
          "name": "Sentence Stimulus",
          "type": "OTHER"
        },
        {
          "name": "Auditory Noise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2022-01-01",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-06-27T17:07:16.221Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05584514"
    }
  ]
}