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Companies

One record for each name ClinicalTrials.gov classes as industry on a trial, as lead sponsor or collaborator, from its data of 13 Nov 2026. Each lists the company's trials with its role, phase, status and posted results; the drugs its trials test, by trial links that passed automated checks, with the highest phase registered and each drug's targets; the conditions its trials study; and the other organizations its trials name. A phase is as registered, not a stage of development.

4 sources

Search Companies.

A company's name or ID; a trial's NCT number, for the companies it names; or a drug's name or ChEMBL ID, for the companies whose trials test it. Case and punctuation do not matter. Other words find the companies whose names hold a word that starts with each.

18,985 companies from ClinicalTrials.gov.

Try searching

Companies 18,985

Most trials first1 to 20 of 18,985

Show the results as
CompanyTrialsRecruitingPosted resultsDrugsTrials by phase
GlaxoSmithKline4,9511552,208830Phase 1 1,397, Phase 2 1,266, Phase 3 1,099, Phase 4 539
Pfizer4,9202352,183850Phase 1 1,419, Phase 2 1,224, Phase 3 893, Phase 4 449
AstraZeneca4,8263801,259627Phase 1 1,246, Phase 2 1,113, Phase 3 976, Phase 4 356
Merck Sharp & Dohme LLC4,2762942,079809Phase 1 1,153, Phase 2 1,406, Phase 3 925, Phase 4 392
Novartis Pharmaceuticals3,1962111,408499Phase 1 630, Phase 2 1,059, Phase 3 786, Phase 4 397
Eli Lilly and Company2,9001851,604517Phase 1 974, Phase 2 832, Phase 3 712, Phase 4 286
Bristol-Myers Squibb2,880187920578Phase 1 921, Phase 2 1,088, Phase 3 430, Phase 4 147
Boehringer Ingelheim2,681871,181404Phase 1 1,121, Phase 2 410, Phase 3 463, Phase 4 192
Hoffmann-La Roche2,5811181,057456Phase 1 549, Phase 2 698, Phase 3 684, Phase 4 254
Bayer2,37486522446Phase 1 478, Phase 2 529, Phase 3 411, Phase 4 187
Sanofi2,356124545442Phase 1 396, Phase 2 676, Phase 3 723, Phase 4 365
Novo Nordisk A/S1,69892346108Phase 1 472, Phase 2 143, Phase 3 402, Phase 4 176
Novartis1,66556473413Phase 1 316, Phase 2 563, Phase 3 407, Phase 4 305
Genentech, Inc.1,63697728347Phase 1 513, Phase 2 850, Phase 3 148, Phase 4 81
Amgen1,58882696309Phase 1 403, Phase 2 566, Phase 3 376, Phase 4 122
Takeda1,30197664310Phase 1 248, Phase 2 268, Phase 3 371, Phase 4 118
AbbVie1,252165405289Phase 1 336, Phase 2 317, Phase 3 305, Phase 4 67
Gilead Sciences1,20781522258Phase 1 225, Phase 2 403, Phase 3 274, Phase 4 148
Janssen Research & Development, LLC1,07884311297Phase 1 450, Phase 2 262, Phase 3 237, Phase 4 17
Boston Scientific Corporation8317731645Phase 1 18, Phase 2 46, Phase 3 68, Phase 4 63

Request

GET /api/companies/v1

A company's name or ID; a trial's NCT number, for the companies it names; or a drug's name or ChEMBL ID, for the companies whose trials test it. Case and punctuation do not matter. Other words find the companies whose names hold a word that starts with each.

Only the companies with a trial that is recruiting, or with a trial that posted results to ClinicalTrials.gov.

No key needed

Code

Show the call in
curl "https://conductscience.org/api/companies/v1"

Response

The first 2 of this page's 20 results. GET /api/companies/v1

{
  "data": {
    "total": 18985,
    "results": [
      {
        "id": "glaxosmithkline-b97dbf35",
        "title": "GlaxoSmithKline",
        "summary": "4,951 trials, 3,650 as lead sponsor, 1,301 as collaborator; 155 recruiting; 2,208 with posted results; 830 drugs on its trials.",
        "record": "/library/companies/glaxosmithkline-b97dbf35",
        "names": null,
        "trials": 4951,
        "roles": "3,650 as lead sponsor, 1,301 as collaborator",
        "recruiting": 155,
        "with_results": 2208,
        "drugs": 830,
        "phases": "Phase 1 1,397, Phase 2 1,266, Phase 3 1,099, Phase 4 539"
      },
      {
        "id": "pfizer-69d9f765",
        "title": "Pfizer",
        "summary": "4,920 trials, 3,337 as lead sponsor, 1,583 as collaborator; 235 recruiting; 2,183 with posted results; 850 drugs on its trials.",
        "record": "/library/companies/pfizer-69d9f765",
        "names": null,
        "trials": 4920,
        "roles": "3,337 as lead sponsor, 1,583 as collaborator",
        "recruiting": 235,
        "with_results": 2183,
        "drugs": 850,
        "phases": "Phase 1 1,419, Phase 2 1,224, Phase 3 893, Phase 4 449"
      }
    ],
    "columns": [
      {
        "key": "title",
        "label": "Company",
        "under": "names"
      },
      {
        "key": "trials",
        "label": "Trials",
        "under": "roles"
      },
      {
        "key": "recruiting",
        "label": "Recruiting"
      },
      {
        "key": "with_results",
        "label": "Posted results"
      },
      {
        "key": "drugs",
        "label": "Drugs"
      },
      {
        "key": "phases",
        "label": "Trials by phase"
      }
    ],
    "order": "Most trials first",
    "kinds": {
      "all": 18985,
      "recruiting": 5232,
      "with-results": 5375
    }
  },
  "release": "companies-2026-11-14-0.1.0",
  "terms": [
    {
      "source": "ClinicalTrials.gov's posted results, through CTTI's AACT",
      "license": "ClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299",
      "notice": "ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.",
      "short": "Freely available. Acknowledgement requested"
    },
    {
      "source": "ChEMBL",
      "license": "CC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence",
      "notice": null,
      "short": null
    },
    {
      "source": "ClinicalTrials.gov",
      "license": "none stated",
      "notice": "ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.",
      "short": "No license stated"
    },
    {
      "source": "Open Targets",
      "license": "CC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence",
      "notice": null,
      "short": "CC0 1.0"
    }
  ],
  "next": "/api/companies/v1?page=2",
  "request_id": "N1f_YoiUvlKUapOF"
}

What it holds

Holds
18,985 companies
From ClinicalTrials.gov. Counted 14 Nov 2026.
Release
14 Nov 2026
companies-2026-11-14-0.1.0
Checked
Passed automated checks: for 30 companies chosen before the build, the trials each leads and helps run match ClinicalTrials.gov's live counts, 30 of 30
Access
Open
No account. 60 calls a minute from one address.

Sources 4

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ChEMBL
  • ClinicalTrials.govNo license stated
  • Open TargetsCC0 1.0
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ChEMBLCC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
  • ClinicalTrials.govnone stated
  • Open TargetsCC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

Genes

NCBI Gene

One gene with its proteins, patents, drugs, trials, grants and papers.

Trials

ClinicalTrials.gov

Search clinical trials by condition, drug, outcome or NCT number, with the results each one posted.

Trial comparisons

ClinicalTrials.gov

Comparisons of the groups of clinical trials, such as a risk ratio or a number needed to treat, calculated from the counts each trial posted.

Sequences

Patent publications

Paste a sequence and see the patents that disclose it.

Opens sequences.conductscience.org

Instruments

The conductscience.com catalog

One instrument from the ConductScience store with the tests, measures and species it is used for, the papers that used it, and the MeSH topics of those papers.

Drugs and targets

Open Targets

One drug with its targets, the diseases it is studied for, and the trials that name it, with their comparisons, papers and cognitive tests.

Diseases

Open Targets

One disease with the drugs studied for it, the targets those drugs act on, and the trials that study it, with their comparisons and papers.

Cell lines

Cellosaurus

One cell line with the problems Cellosaurus records for it, its relatives, the cell banks that hold it, and the papers that used it.

For software

Read Companies from software.

Every answer on this page is also JSON, under /api/companies/v1. No key.

GET https://conductscience.org/api/companies/v1?q=Pfizer

Ask an assistant

  • Which drugs do Pfizer's trials test, and what is the highest phase registered for each?
  • Which companies run trials of evolocumab?
  • Which companies are named on trial NCT01764633, and in what role?
  • Which organizations does Novo Nordisk run trials with most often?