{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=intranasal+placebo",
    "query": {
      "intervention": "intranasal placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 403,
    "total_pages": 41,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=intranasal+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T13:06:33.647Z",
  "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": "NCT04071600",
      "title": "Intranasal Neuropeptide Y in Clinical Trial in Level Two Trauma Patients for PTSD and Acute Stress Disorder",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Stress Disorders, Post-Traumatic",
        "Stress Disorders, Traumatic, Acute"
      ],
      "interventions": [
        {
          "name": "Neuropeptide Y",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 117,
      "start_date": "2019-11-01",
      "completion_date": "2022-11-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 2,
      "location_summary": "Valhalla, New York",
      "locations": [
        {
          "city": "Valhalla",
          "state": "New York"
        },
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071600"
    },
    {
      "nct_id": "NCT01021176",
      "title": "Evaluate a Medication on How Hunger and Appetite Are Influenced by Smell",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Food Intake"
      ],
      "interventions": [
        {
          "name": "Placebo spray",
          "type": "OTHER"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "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": 12,
      "start_date": "2009-10",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2015-12-18",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01021176"
    },
    {
      "nct_id": "NCT03119610",
      "title": "The Physiologic Effects of Intranasal Oxytocin on Sarcopenic Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Sarcopenic Obesity",
        "Sarcopenia",
        "Aging",
        "Sedentary Lifestyle"
      ],
      "interventions": [
        {
          "name": "Oxytocin nasal spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sara Espinoza",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "60 Years to 99 Years"
      },
      "enrollment_count": 23,
      "start_date": "2017-09-22",
      "completion_date": "2019-12-17",
      "has_results": true,
      "last_update_posted_date": "2021-10-22",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03119610"
    },
    {
      "nct_id": "NCT00289198",
      "title": "Once-Daily Investigational Nasal Spray In Adults And Adolescents With Perennial Allergic Rhinitis (PAR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Rhinitis, Allergic, Perennial"
      ],
      "interventions": [
        {
          "name": "FF",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 301,
      "start_date": "2006-02-07",
      "completion_date": "2006-07-04",
      "has_results": true,
      "last_update_posted_date": "2018-04-13",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Baltimore, Maryland • Wheaton, Maryland + 5 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Wheaton",
          "state": "Maryland"
        },
        {
          "city": "North Dartmouth",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289198"
    },
    {
      "nct_id": "NCT00665977",
      "title": "Effect of Heated Humidity With Thermosmart™ Compared to an Intranasal Steroid in Improving Compliance and Nasal Symptoms in Patients Using Continuous Positive Airway Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Nasal Congestion",
        "Sinus Congestion"
      ],
      "interventions": [
        {
          "name": "Thermosmart & placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo Device & Nasacort",
          "type": "DRUG"
        },
        {
          "name": "Placebo Arm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Clayton Sleep Insititute",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 44,
      "start_date": "2007-09",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2010-07-07",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665977"
    },
    {
      "nct_id": "NCT01183221",
      "title": "The Effects of Oxytocin on Complex Social Cognition in Autism Spectrum Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism",
        "ASD"
      ],
      "interventions": [
        {
          "name": "Syntocinon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexander Kolevzon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 30,
      "start_date": "2010-06-18",
      "completion_date": "2014-04-25",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01183221"
    },
    {
      "nct_id": "NCT04851964",
      "title": "Efficacy and Safety of Tezepelumab in Participants With Severe Chronic Rhinosinusitis With Nasal Polyposis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Rhinosinusitis With Nasal Polyps"
      ],
      "interventions": [
        {
          "name": "Experimental: Tezepelumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Mometasone furoate or equivalent intranasal corticosteroid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2021-04-22",
      "completion_date": "2024-12-11",
      "has_results": true,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Bakersfield, California • Newport Beach, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04851964"
    },
    {
      "nct_id": "NCT03649477",
      "title": "Phase 3 Study of Intranasal Carbetocin (LV-101) in Patients With Prader-Willi Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prader-Willi Syndrome"
      ],
      "interventions": [
        {
          "name": "3.2 mg intranasal carbetocin",
          "type": "DRUG"
        },
        {
          "name": "9.6 mg intranasal carbetocin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Levo Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 130,
      "start_date": "2018-11-20",
      "completion_date": "2022-07-09",
      "has_results": true,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03649477"
    },
    {
      "nct_id": "NCT00873912",
      "title": "A Prospective Study to Evaluate the Safety of a New Monovalent Intranasal Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Monovalent influenza virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 300,
      "start_date": "2009-05",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2011-07-14",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 3,
      "location_summary": "Daytona Beach, Florida • Portland, Oregon • Austin, Texas",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00873912"
    },
    {
      "nct_id": "NCT01104493",
      "title": "A Clinical Study to Assess the Safety of a New Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Monovalent Frozen FluMist®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 300,
      "start_date": "2010-05",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2011-07-18",
      "last_synced_at": "2026-09-23T13:06:33.647Z",
      "location_count": 3,
      "location_summary": "South Miami, Florida • Stockbridge, Georgia • Portland, Oregon",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01104493"
    }
  ]
}