{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+sublingual+immunotherapy",
    "query": {
      "intervention": "Placebo sublingual immunotherapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+sublingual+immunotherapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T04:02:58.306Z",
  "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": "NCT01380327",
      "title": "Biomarkers of Cockroach Sublingual Immunotherapy 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Asthma",
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Cockroach Sublingual Immunotherapy (SLIT) - Low Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Cockroach Sublingual Immunotherapy (SLIT) - High Dose",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 99,
      "start_date": "2011-05",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-06-11",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland • Detroit, Michigan + 2 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01380327"
    },
    {
      "nct_id": "NCT05440643",
      "title": "Peanut Sublingual Immunotherapy (SLIT)-Tablet for Treatment of Peanut Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Peanut Allergy"
      ],
      "interventions": [
        {
          "name": "Peanut SLIT-tablet",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "ALK-Abelló A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "4 Years to 65 Years"
      },
      "enrollment_count": 209,
      "start_date": "2022-09-07",
      "completion_date": "2026-04-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 33,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 25 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05440643"
    },
    {
      "nct_id": "NCT07170540",
      "title": "UNC Cashew Sublingual Immunotherapy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cashew Nut Allergy",
        "Tree Nut Allergies"
      ],
      "interventions": [
        {
          "name": "Cashew sublingual immunotherapy",
          "type": "DRUG"
        },
        {
          "name": "Placebo sublingual immunotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "1 Year to 11 Years"
      },
      "enrollment_count": 45,
      "start_date": "2026-06",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07170540"
    },
    {
      "nct_id": "NCT01084174",
      "title": "A Randomized, Double-Blind, Placebo-Controlled Pilot Study of Sublingual/Oral Immunotherapy for the Treatment of Peanut Allergy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Peanut Hypersensitivity",
        "Food Hypersensitivity",
        "Immediate Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Peanut powder",
          "type": "DRUG"
        },
        {
          "name": "Peanut extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo extract",
          "type": "DRUG"
        },
        {
          "name": "Placebo powder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 21,
      "start_date": "2010-03",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2017-04-07",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01084174"
    },
    {
      "nct_id": "NCT01529437",
      "title": "Sublingual Immunotherapy Studies for Grass and Dust Mite Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Allergies",
        "Allergic Rhinitis",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "sublingual immunotherapy",
          "type": "DRUG"
        },
        {
          "name": "placebo sublingual immunotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2005-01",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2015-11-26",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01529437"
    },
    {
      "nct_id": "NCT03654976",
      "title": "Mite Asthma Pediatric Immunotherapy Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Asthma Due to Dermatophagoides Farinae",
        "Allergic Asthma Due to Dermatophagoides Pteronyssinus",
        "Allergic Rhinitis Due to House Dust Mite"
      ],
      "interventions": [
        {
          "name": "HDM SLIT-tablet",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "ALK-Abelló A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 533,
      "start_date": "2018-02-22",
      "completion_date": "2022-05-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-19",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 7,
      "location_summary": "Miami, Florida • Columbus, Georgia • Ypsilanti, Michigan + 4 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Columbus",
          "state": "Georgia"
        },
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        },
        {
          "city": "Bangor",
          "state": "Pennsylvania"
        },
        {
          "city": "Verona",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03654976"
    },
    {
      "nct_id": "NCT00829985",
      "title": "Biomarker-based Cockroach Sublingual Immunotherapy Study (BioCSI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Rhinitis, Allergic, Perennial",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Glycerinated German Cockroach Allergenic Extract",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 54,
      "start_date": "2009-01",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-21",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Chicago, Illinois • Baltimore, Maryland + 1 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00829985"
    },
    {
      "nct_id": "NCT00736281",
      "title": "Sublingual Immunotherapy for Food Allergy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Allergies"
      ],
      "interventions": [
        {
          "name": "Food Drops: Food Allergens (peptides)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2008-10",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-06-17",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00736281"
    },
    {
      "nct_id": "NCT00597727",
      "title": "A Study of Sublingual Immunotherapy in Peanut-allergic Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Food Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Peanut SLIT",
          "type": "DRUG"
        },
        {
          "name": "Placebo SLIT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "1 Year to 11 Years"
      },
      "enrollment_count": 60,
      "start_date": "2008-01",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2018-03-27",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597727"
    },
    {
      "nct_id": "NCT01353079",
      "title": "Efficacy and Safety Study Of Short Ragweed Pollen Sublingual-Oral Immunotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Short Ragweed Pollen Allergenic Extract",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Greer Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 429,
      "start_date": "2011-04",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2015-02-05",
      "last_synced_at": "2026-09-27T04:02:58.306Z",
      "location_count": 1,
      "location_summary": "Warrenton, Virginia",
      "locations": [
        {
          "city": "Warrenton",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01353079"
    }
  ]
}