{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=5",
    "query": {
      "intervention": "mass spectrometry",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 128,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=mass+spectrometry&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T05:49:14.089Z",
  "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": "NCT03073473",
      "title": "Evaluation of the NantHealth GPS Cancer Test in Patients With Advanced Cancers",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Metastatic Breast Cancer",
        "Metastatic Lung Cancer",
        "Metastatic Colon Cancer",
        "Metastatic Melanoma",
        "Metastatic Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "NantHealth GPS Cancer Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Cota Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2017-02-28",
      "completion_date": "2018-06-13",
      "has_results": false,
      "last_update_posted_date": "2018-07-20",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 10,
      "location_summary": "East Brunswick, New Jersey • Freehold, New Jersey • Hackensack, New Jersey + 7 more",
      "locations": [
        {
          "city": "East Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Freehold",
          "state": "New Jersey"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Hackettstown",
          "state": "New Jersey"
        },
        {
          "city": "Howell Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073473"
    },
    {
      "nct_id": "NCT00825201",
      "title": "Intraperitoneal Paclitaxel Albumin-Stabilized Nanoparticle Formulation in Treating Patients With Advanced Cancer of the Peritoneal Cavity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Peritoneal Cavity Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "paclitaxel albumin-stabilized nanoparticle formulation",
          "type": "DRUG"
        },
        {
          "name": "liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2009-01",
      "completion_date": "2018-01-16",
      "has_results": false,
      "last_update_posted_date": "2018-01-19",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Seattle, Washington",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825201"
    },
    {
      "nct_id": "NCT00892515",
      "title": "Exercise Programs in Healthy Young Women at Increased Risk of Developing Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Healthy, no Evidence of Disease"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "counseling intervention",
          "type": "OTHER"
        },
        {
          "name": "gas chromatography",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "dual x-ray absorptometry",
          "type": "PROCEDURE"
        },
        {
          "name": "magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 183,
      "start_date": "2008-10",
      "completion_date": "2016-05-20",
      "has_results": false,
      "last_update_posted_date": "2020-04-16",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892515"
    },
    {
      "nct_id": "NCT00898430",
      "title": "Biomarkers in Predicting Response to Treatment in Patients With Newly Diagnosed Stage III or Stage IV Head and Neck Cancer Treated With Carboplatin, Paclitaxel, and Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "DNA Microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "MALDI-TOF mass spectrometry",
          "type": "GENETIC"
        },
        {
          "name": "DNA microarray and MALDI-TOF mass spectrometry",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 49,
      "start_date": "2003-11",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2013-04-02",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 3,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898430"
    },
    {
      "nct_id": "NCT03156179",
      "title": "Study of Calcium Metabolism in Teenage Girls With Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "calcium isotope analysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 18 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2015-09-01",
      "completion_date": "2016-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03156179"
    },
    {
      "nct_id": "NCT05740501",
      "title": "Pharmacokinetic Profiling of Pembrolizumab and Nivolumab in Patients With Melanoma and/or Non-Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 13,
      "start_date": "2017-04-26",
      "completion_date": "2020-01-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05740501"
    },
    {
      "nct_id": "NCT00909831",
      "title": "Hydroxychloroquine and Temsirolimus in Treating Patients With Metastatic Solid Tumors That Have Not Responded to Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "temsirolimus",
          "type": "DRUG"
        },
        {
          "name": "electron microscopy",
          "type": "OTHER"
        },
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "autophagy inhibition therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 40,
      "start_date": "2008-10",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2019-04-16",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909831"
    },
    {
      "nct_id": "NCT00109525",
      "title": "Early Diagnosis of Candidiasis in Premature Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infection",
        "Candida",
        "Candidiasis",
        "Infant, Newborn",
        "Infant, Low Birth Weight",
        "Infant, Small for Gestational Age",
        "Infant, Premature"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NICHD Neonatal Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Days",
        "maximum_age": "120 Days",
        "sex": "ALL",
        "summary": "3 Days to 120 Days"
      },
      "enrollment_count": 1500,
      "start_date": "2004-03",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Palo Alto, California • San Diego, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00109525"
    },
    {
      "nct_id": "NCT01216748",
      "title": "Clinical Evidence of pH Dependent ß2 Adrenergic Transport Mechanisms in the Airway",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "quiet breathing",
          "type": "OTHER"
        },
        {
          "name": "Hypocapnic Hyperventilation",
          "type": "OTHER"
        },
        {
          "name": "Hypercapnic Hyperventilation",
          "type": "OTHER"
        },
        {
          "name": "eucapnic hyperventilation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "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": 10,
      "start_date": "2010-01",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2016-05-27",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01216748"
    },
    {
      "nct_id": "NCT00984919",
      "title": "Biomarker 11-dh-TXB2 in Blood and Urine Samples From Patients With Prostate Cancer and Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "40 Years to 120 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2009-11",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2016-02-15",
      "last_synced_at": "2026-10-06T05:49:14.089Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984919"
    }
  ]
}