{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=4",
    "query": {
      "intervention": "mass spectrometry",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 128,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T03:24:10.270Z",
  "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": "NCT00277082",
      "title": "Aerosolized Liposomal Camptothecin in Patients With Metastatic or Recurrent Cancer of the Endometrium or the Lung",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Corpus Uteri",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "9-NC in aerosol reservoir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2003-08",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2010-01-07",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00277082"
    },
    {
      "nct_id": "NCT02178163",
      "title": "Comprehensive Genomic Analysis in Tissue Samples From Patients With Recurrent or Stage IV Non-small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Non-small Cell Lung Cancer",
        "Stage IV Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 619,
      "start_date": "2014-08-01",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 11,
      "location_summary": "Bay City, Michigan • Bloomfield Hills, Michigan • Clarkston, Michigan + 8 more",
      "locations": [
        {
          "city": "Bay City",
          "state": "Michigan"
        },
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        },
        {
          "city": "Clarkston",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02178163"
    },
    {
      "nct_id": "NCT01340599",
      "title": "Defined Green Tea Catechin Extract in Treating Patients With Localized Prostate Cancer Undergoing Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stage I Prostate Cancer",
        "Stage IIA Prostate Cancer",
        "Stage IIB Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "defined green tea catechin extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "45 Years to 75 Years · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2006-10",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01340599"
    },
    {
      "nct_id": "NCT06387979",
      "title": "Advanced Development of Desorption Electrospray Ionization Mass Spectrometry for Intraoperative Molecular Diagnosis of Brain Cancer Using Pathology Biopsies",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glioma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 285,
      "start_date": "2020-10-26",
      "completion_date": "2026-10-15",
      "has_results": false,
      "last_update_posted_date": "2025-12-26",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06387979"
    },
    {
      "nct_id": "NCT05384470",
      "title": "Detecting Drugs of Abuse Via Exhaled Breath Samples Using Differential Mobility Spectrometry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opiate Abuse",
        "Marijuana Abuse",
        "Diagnostic"
      ],
      "interventions": [
        {
          "name": "Marihuana",
          "type": "DRUG"
        },
        {
          "name": "BID2 Instrument - breathalyzer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2021-08-01",
      "completion_date": "2024-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05384470"
    },
    {
      "nct_id": "NCT07607470",
      "title": "Large Algorithm Setting and Validation Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bacterial Infections",
        "Bacterial Infections and Mycoses",
        "Infections",
        "Vaginitis",
        "Vaginal Diseases",
        "Genital Diseases, Female",
        "Female Urogenital Diseases",
        "Urogenital Disease",
        "Candidiasis",
        "Mycoses",
        "Vulvovaginitis",
        "Vulvar Diseases",
        "Vaginosis, Bacterial"
      ],
      "interventions": [
        {
          "name": "Nanopath Vaginitis Assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "BD Max™ Vaginal Panel",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cepheid Xpert® Xpress MVP",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hologic Aptima® BV Assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Yeast Culture",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Nanopath, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2026-06-03",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 2,
      "location_summary": "North Miami, Florida • New Orleans, Louisiana",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07607470"
    },
    {
      "nct_id": "NCT00572884",
      "title": "Metabolism of the Insecticide Permethrin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pharmacokinetics",
        "Metabolism"
      ],
      "interventions": [
        {
          "name": "permethrin insecticide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "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": 6,
      "start_date": "2006-02",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2007-12-13",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Mather, California",
      "locations": [
        {
          "city": "Mather",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00572884"
    },
    {
      "nct_id": "NCT03709043",
      "title": "Addressing Heavy Alcohol Use Consumption With Kudzu",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder",
        "Sexually Transmitted Diseases"
      ],
      "interventions": [
        {
          "name": "Standardized kudzu",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Sexually transmitted infection testing:",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Medical Management (MM) counseling for alcohol use:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Urinalysis for novel alcohol biochemical markers for recent alcohol use:",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dried Blood Spot (DBS) Testing for PEth:",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral survey measurements:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ecological Momentary Assessment procedure:",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Glenn-Milo Santos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-07-11",
      "completion_date": "2024-06-01",
      "has_results": true,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03709043"
    },
    {
      "nct_id": "NCT03639090",
      "title": "Mass Spectrometry in Single Bladder Cancer Cells",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "mass spectrometry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "30 Years to 99 Years"
      },
      "enrollment_count": 2,
      "start_date": "2017-07-01",
      "completion_date": "2020-10-08",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03639090"
    },
    {
      "nct_id": "NCT07696273",
      "title": "Miniaturized Breath-based Sensor for the Detection of Hypo- and Hyperglycemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Hyperglycemia",
        "Hypoglycemia (Diabetic)"
      ],
      "interventions": [
        {
          "name": "Sensing Device and Tedlar Bags",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "7 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-05-31",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-06T03:24:10.270Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07696273"
    }
  ]
}