{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+essential+oil",
    "query": {
      "intervention": "placebo essential oil"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+essential+oil&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T06:31:29.933Z",
  "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": "NCT05191823",
      "title": "Omega Tots Long Term Follow-up",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Preterm Birth",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "Docosahexaenoic Acid + Arachidonic Acid (DHA+AA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Sarah Keim",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "8 Years to 10 Years"
      },
      "enrollment_count": 377,
      "start_date": "2021-12-01",
      "completion_date": "2027-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05191823"
    },
    {
      "nct_id": "NCT05178173",
      "title": "Efficacy of Oral Rinses for Inactivation of COVID-19 (MOR2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Coronavirus Infection",
        "SARS CoV 2 Infection"
      ],
      "interventions": [
        {
          "name": "Placebo Comparator: Sterile Water",
          "type": "OTHER"
        },
        {
          "name": "27% Ethanol plus essential oils",
          "type": "OTHER"
        },
        {
          "name": "0.075% Cetylpyridinium Chloride",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 230,
      "start_date": "2022-01-20",
      "completion_date": "2023-07-12",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05178173"
    },
    {
      "nct_id": "NCT04663672",
      "title": "Efficacy of Targeted Memory Reactivation for Enhancing Exposure Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Claustrophobia",
        "Obsessive-Compulsive Disorder",
        "Arachnophobia"
      ],
      "interventions": [
        {
          "name": "Experimental Scent",
          "type": "OTHER"
        },
        {
          "name": "Control Scent",
          "type": "OTHER"
        },
        {
          "name": "No-Scent Control",
          "type": "OTHER"
        },
        {
          "name": "In-Vivo Exposure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "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": 158,
      "start_date": "2019-01-29",
      "completion_date": "2020-03-01",
      "has_results": false,
      "last_update_posted_date": "2020-12-11",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04663672"
    },
    {
      "nct_id": "NCT00982462",
      "title": "Effect of Long-Chain Polyunsaturated Fatty Acid Supplementation on Toddler Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infant Development"
      ],
      "interventions": [
        {
          "name": "Docosahexaenoic acid (DHA) and arachidonic acid (ARA)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Corn oil placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Retina Foundation of the Southwest",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "351 Days",
        "maximum_age": "379 Days",
        "sex": "ALL",
        "summary": "351 Days to 379 Days"
      },
      "enrollment_count": 116,
      "start_date": "2011-01-20",
      "completion_date": "2016-06-29",
      "has_results": false,
      "last_update_posted_date": "2017-04-25",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00982462"
    },
    {
      "nct_id": "NCT00585390",
      "title": "Omega-3 Fatty Acid Deficiency Replacement in Early Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia",
        "Fatty Acid Deficiency"
      ],
      "interventions": [
        {
          "name": "Omega-3 Fatty Acids",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Olive oil placebo",
          "type": "OTHER"
        },
        {
          "name": "EPA fish oil concentrate; DHA fish oil concentrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "8 Years to 25 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-01",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2011-08-02",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00585390"
    },
    {
      "nct_id": "NCT05351333",
      "title": "Conditioning & Open-Label Placebo (COLP) for Opioid Management in Intensive Inpatient Rehabilitation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Polytrauma",
        "Burns"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2022-08-03",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05351333"
    },
    {
      "nct_id": "NCT06414473",
      "title": "CBD for Knee Osteoarthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Cannabidiol (CBD) Extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-06-14",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06414473"
    },
    {
      "nct_id": "NCT01214304",
      "title": "Aromatherapy to Reduce Pain and Anxiety During Cervical Colposcopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colposcopy"
      ],
      "interventions": [
        {
          "name": "Essential Lavender Oil",
          "type": "OTHER"
        },
        {
          "name": "Lavender Scent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mike O'Callaghan Military Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 262,
      "start_date": "2011-02",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-25",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01214304"
    },
    {
      "nct_id": "NCT00344721",
      "title": "A Placebo Controlled Double Masked Clinical Assessment Study of Essential Fatty Acid Supplement and Its Effect on Patients With Apparent Aqueous Deficient Dry Eye Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye Syndrome"
      ],
      "interventions": [
        {
          "name": "Omega-3 fatty acid supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "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": 42,
      "start_date": "2004-09",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2018-05-14",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344721"
    },
    {
      "nct_id": "NCT06190379",
      "title": "Aromatherapy for Upper Respiratory Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immune System"
      ],
      "interventions": [
        {
          "name": "Essential oil blend",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nutraceuticals Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 65 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2022-12-01",
      "completion_date": "2023-04-08",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-09-26T06:31:29.933Z",
      "location_count": 1,
      "location_summary": "Franklin, Tennessee",
      "locations": [
        {
          "city": "Franklin",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06190379"
    }
  ]
}