{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Toxicity%3BChemical&page=2",
    "query": {
      "condition": "Toxicity;Chemical",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Toxicity%3BChemical&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T10:59:24.331Z",
  "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": "NCT03480971",
      "title": "Treatment of Radiation and Cisplatin Induced Toxicities with Tempol",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucositis",
        "Nephrotoxicity",
        "Ototoxicity"
      ],
      "interventions": [
        {
          "name": "Tempol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Matrix Biomed, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2019-05-13",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 9,
      "location_summary": "La Jolla, California • Merced, California • San Francisco, California + 4 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Merced",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480971"
    },
    {
      "nct_id": "NCT04737265",
      "title": "Pilot Study of an NTproBNP Guided Strategy of Cardioprotection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cardiotoxicity",
        "Toxicity Due to Chemotherapy",
        "Breast Cancer",
        "Lymphoma",
        "Cardiomyopathies",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Biomarker Guided Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2021-03-18",
      "completion_date": "2025-02-05",
      "has_results": true,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Philadelphia, Pennsylvania • West Chester, Pennsylvania",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "West Chester",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04737265"
    },
    {
      "nct_id": "NCT05658471",
      "title": "Pharmacokinetics and Pharmacodynamics of Nicotine With Use of Standardized Research Electronic Cigarette (SREC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Tobacco Toxicity",
        "Cardiovascular Risk Factors"
      ],
      "interventions": [
        {
          "name": "Standardized Research E-Cigarette (SREC)",
          "type": "OTHER"
        },
        {
          "name": "Over the Counter E-Cigarette (EC)",
          "type": "OTHER"
        },
        {
          "name": "Biological Samples",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking-related Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2023-02-01",
      "completion_date": "2026-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05658471"
    },
    {
      "nct_id": "NCT00436566",
      "title": "Doxorubicin and Cyclophosphamide Followed By Trastuzumab, Paclitaxel, and Lapatinib in Treating Patients With Early-Stage HER2-Positive Breast Cancer That Has Been Removed By Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Cardiac Toxicity"
      ],
      "interventions": [
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "lapatinib ditosylate",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "reverse transcriptase-polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "fluorophotometry",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 122,
      "start_date": "2007-03-16",
      "completion_date": "2019-07-22",
      "has_results": true,
      "last_update_posted_date": "2022-08-05",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436566"
    },
    {
      "nct_id": "NCT00834496",
      "title": "Switching From One Type of Anti-rejection Drug (Tacrolimus or Cyclosporine) to Another (Sirolimus) Approximately 90-180 Days After Liver Transplantation",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Side Effects of Calcineurin Inhibitors",
        "Renal Toxicity",
        "Hepatic Fibrosis on Biopsy",
        "Neurotoxicity",
        "Post Transplant Diabetes"
      ],
      "interventions": [
        {
          "name": "Liver biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2009-01",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00834496"
    },
    {
      "nct_id": "NCT00005796",
      "title": "Combination Chemotherapy Plus Gene Therapy in Treating Patients With CNS Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bone Marrow Suppression",
        "Brain and Central Nervous System Tumors",
        "Drug/Agent Toxicity by Tissue/Organ"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "PROCEDURE"
        },
        {
          "name": "gene therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "lomustine",
          "type": "DRUG"
        },
        {
          "name": "procarbazine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2000-02",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-25",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Boston, Massachusetts",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005796"
    },
    {
      "nct_id": "NCT00814086",
      "title": "Cisplatin and Paclitaxel in Treating Patients With Stage IIB, Stage IIC, Stage III, or Stage IV Ovarian Epithelial Cancer, Fallopian Tube Cancer, or Primary Peritoneal Cavity Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chemotherapeutic Agent Toxicity",
        "Endometrial Adenocarcinoma",
        "Fallopian Tube Carcinoma",
        "Gastrointestinal Complication",
        "Malignant Ovarian Mixed Epithelial Tumor",
        "Neurotoxicity Syndrome",
        "Ovarian Brenner Tumor",
        "Ovarian Clear Cell Cystadenocarcinoma",
        "Ovarian Mucinous Cystadenocarcinoma",
        "Ovarian Serous Cystadenocarcinoma",
        "Primary Peritoneal Carcinoma",
        "Stage II Ovarian Cancer",
        "Stage III Ovarian Cancer",
        "Stage IV Ovarian Cancer",
        "Undifferentiated Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 23,
      "start_date": "2009-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-12-31",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 7,
      "location_summary": "Chicago, Illinois • Iowa City, Iowa • Camden, New Jersey + 4 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00814086"
    },
    {
      "nct_id": "NCT00775645",
      "title": "S0715: Acetyl-L-Carnitine in Preventing Neuropathy in Women With Stage I, II, or IIIA Breast Cancer Undergoing Chemo",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Chemotherapeutic Agent Toxicity",
        "Fatigue",
        "Neuropathy",
        "Neurotoxicity"
      ],
      "interventions": [
        {
          "name": "acetyl-L-carnitine hydrochloride",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 437,
      "start_date": "2009-09",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 295,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 196 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Antioch",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00775645"
    },
    {
      "nct_id": "NCT06500975",
      "title": "Long Term Outcomes After Vestibular Implantation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bilateral Vestibular Hypofunction",
        "Bilateral Vestibular Deficiency",
        "Bilateral Vestibulopathy",
        "Gentamicin Ototoxicity",
        "Aminoglycoside Toxicity",
        "Vestibular Diseases",
        "Sensation Disorders",
        "Labyrinth Diseases",
        "Other Disorders of Vestibular Function"
      ],
      "interventions": [
        {
          "name": "Labyrinth Devices MVI™ Multichannel Vestibular Implant System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "22 Years to 90 Years"
      },
      "enrollment_count": 32,
      "start_date": "2024-12-01",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06500975"
    },
    {
      "nct_id": "NCT01372774",
      "title": "Stereotactic Radiosurgery or Whole-Brain Radiation Therapy in Treating Patients With Brain Metastases That Have Been Removed By Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cognitive/Functional Effects",
        "Metastatic Cancer",
        "Neurotoxicity",
        "Radiation Toxicity",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "stereotactic radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "whole-brain radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 194,
      "start_date": "2011-07",
      "completion_date": "2019-12-15",
      "has_results": true,
      "last_update_posted_date": "2022-09-16",
      "last_synced_at": "2026-09-28T10:59:24.331Z",
      "location_count": 37,
      "location_summary": "Burlingame, California • Los Angeles, California • Newark, Delaware + 30 more",
      "locations": [
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01372774"
    }
  ]
}