{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Montelukast&page=2",
    "query": {
      "condition": "Montelukast",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 78,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Montelukast&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Montelukast&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T05:05:05.517Z",
  "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": "NCT02410278",
      "title": "Study of Montelukast on Gastrointestinal Tolerability in Patients With Relapsing Forms of Multiple Sclerosis Receiving Tecfidera",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "dimethyl fumarate",
          "type": "DRUG"
        },
        {
          "name": "montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2015-03-12",
      "completion_date": "2017-04-27",
      "has_results": true,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 50,
      "location_summary": "Jonesboro, Arkansas • Carmichael, California • La Jolla, California + 46 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410278"
    },
    {
      "nct_id": "NCT05498116",
      "title": "Effect of Montelukast on Kidney and Vascular Function in Type 1 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Albuminuria"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-01-26",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05498116"
    },
    {
      "nct_id": "NCT00353184",
      "title": "Montelukast Added to Standard Therapy for Acute Asthma in Children Age 6-14 Years",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Montelukast 5-mg orally added to standard therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "6 Years to 14 Years"
      },
      "enrollment_count": 27,
      "start_date": "2001-09",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2010-02-24",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00353184"
    },
    {
      "nct_id": "NCT00492102",
      "title": "Montelukast in Very Low Birthweight Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bronchopulmonary Dysplasia"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Days",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Days and older"
      },
      "enrollment_count": 9,
      "start_date": "2007-03",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-08-02",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492102"
    },
    {
      "nct_id": "NCT01770899",
      "title": "Evaluation Montelukast in the Treatment of Status Asthmaticus",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Status Asthmaticus"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corrie Fletcher",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "2 Years to 14 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-25",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Oak Lawn, Illinois",
      "locations": [
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01770899"
    },
    {
      "nct_id": "NCT00162864",
      "title": "A Pilot Study of Montelukast Sodium (Singulair) in Older Adults With Asthma or Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma",
        "COPD"
      ],
      "interventions": [
        {
          "name": "montelukast sodium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "1999-12",
      "completion_date": "2002-04",
      "has_results": false,
      "last_update_posted_date": "2006-03-24",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00162864"
    },
    {
      "nct_id": "NCT01156792",
      "title": "Safety and Efficacy Study of Adding GSK2190915 to Low Dose Inhaled Corticosteroid Treatment for Asthma Subjects > or = 12 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "FP 100",
          "type": "DRUG"
        },
        {
          "name": "GSK2190915 100",
          "type": "DRUG"
        },
        {
          "name": "GSK2190915 300",
          "type": "DRUG"
        },
        {
          "name": "montelukast",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "FP/SAL 100/50",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "12 Years and older · Female only"
      },
      "enrollment_count": 162,
      "start_date": "2010-09",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2017-04-05",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Huntington Beach, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156792"
    },
    {
      "nct_id": "NCT00375232",
      "title": "Effects of Montelukast on Occult Exercise-Induced Bronchospasm in Athletes",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise-Induced Bronchospasm"
      ],
      "interventions": [
        {
          "name": "Administration of montelukast or placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2006-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-01-07",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00375232"
    },
    {
      "nct_id": "NCT00115297",
      "title": "Montelukast for Early Life Wheezing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Lung Diseases",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "3 Months to 3 Years"
      },
      "enrollment_count": 62,
      "start_date": "2004-09",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00115297"
    },
    {
      "nct_id": "NCT00045955",
      "title": "Long-Term Safety Performance of Fexofenadine in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Fexofenadine, Comparator = Montelukast",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "12 Years to 80 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2002-02",
      "completion_date": "2003-11",
      "has_results": false,
      "last_update_posted_date": "2008-08-21",
      "last_synced_at": "2026-09-30T05:05:05.517Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00045955"
    }
  ]
}