{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+nasal+spray",
    "query": {
      "intervention": "Placebo nasal spray"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 312,
    "total_pages": 32,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+nasal+spray&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T14:51:45.589Z",
  "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": "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": "2026-09-23T14:51:45.589Z",
      "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": "2026-09-23T14:51:45.589Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03119610"
    },
    {
      "nct_id": "NCT00261287",
      "title": "Safety and Tolerability of Ciclesonide Nasal Spray in Patients With Perennial Allergic Rhinitis (2-5 Years Old) (BY9010/M1-416)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hay Fever",
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Ciclesonide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "2 Years to 5 Years"
      },
      "enrollment_count": 102,
      "start_date": "2005-11",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2016-11-30",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 3,
      "location_summary": "Long Beach, California • Normal, Illinois • San Antonio, Texas",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00261287"
    },
    {
      "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": "2026-09-23T14:51:45.589Z",
      "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": "2026-09-23T14:51:45.589Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665977"
    },
    {
      "nct_id": "NCT00803686",
      "title": "A Study of Oral Calcitonin Given at Night to Healthy Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Phase 1 Pharmacodynamic Study"
      ],
      "interventions": [
        {
          "name": "Oral rsCT tablet",
          "type": "DRUG"
        },
        {
          "name": "Oral Placebo Tablet",
          "type": "DRUG"
        },
        {
          "name": "Fortical (rsCT) nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tarsa Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 70 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2008-12",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2014-06-09",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 1,
      "location_summary": "Springfield, Missouri",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00803686"
    },
    {
      "nct_id": "NCT01010971",
      "title": "Clinical Trial to Assess the Efficacy and Safety of Ciclesonide Hydrofluoroalkane (HFA) Nasal Aerosol for the Treatment of Seasonal Allergic Rhinitis (SAR) to Mountain Cedar in Subjects 12 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Ciclesonide HFA 160 μg",
          "type": "DRUG"
        },
        {
          "name": "Ciclesonide HFA 80 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 671,
      "start_date": "2009-12",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2012-06-13",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 7,
      "location_summary": "Austin, Texas • New Braunfels, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01010971"
    },
    {
      "nct_id": "NCT01912378",
      "title": "Triadic Interactions of Families With Autism and Oxytocin",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autism Disorder"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Placebo nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "7 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-08",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2019-01-16",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01912378"
    },
    {
      "nct_id": "NCT04036292",
      "title": "Evaluation of the Efficacy and Safety of OC-01 Nasal Spray on Signs and Symptoms of Dry Eye Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dry Eye Disease (DED)"
      ],
      "interventions": [
        {
          "name": "OC-01 (varenicline) nasal spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo (vehicle) nasal spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oyster Point Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 758,
      "start_date": "2019-07-23",
      "completion_date": "2021-02-05",
      "has_results": true,
      "last_update_posted_date": "2021-11-22",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Newport Beach, California • Fort Collins, Colorado + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04036292"
    },
    {
      "nct_id": "NCT00485134",
      "title": "Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Shigellosis"
      ],
      "interventions": [
        {
          "name": "240 µg Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "480 µg Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "690 Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Shigella challenge strain",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 113,
      "start_date": "2007-05",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-09-23T14:51:45.589Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00485134"
    }
  ]
}