ConductScience.org, home

85,013 comparisons from ClinicalTrials.gov.

85,013 comparisons

Most participants first33,758 with no events in either group come last3,161 to 3,180 of 85,013

Show the results as
ComparisonWith the outcomeRisk difference, 95% intervalParticipantsTrial
Arm I:Sentinel Node Resection+Conventional Axillary Dissection vs Arm II: Sentinel Node Resection Followed by Node Examination: Morbidity - Number of Participants With Residual Arm Volume Difference314 of 1,136

192 of 1,151

11.0 points

7.6 to 14.3

2,287NCT00003830

Surgery to Remove Sentinel Lymph Nodes With or Without Removing Lymph Nodes in the Armpit in Treating Women With Breast Cancer

Boostrix Group vs Adacel Group: Number of Subjects With Serious Adverse Events (SAEs).9 of 1,522

2 of 762

0.3 points

-0.4 to 0.9

2,284NCT00346073

Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years

Boostrix Group vs Adacel Group: Number of Subjects With Any Unsolicited Adverse Events (AEs)271 of 1,522

169 of 762

-4.4 points

-8.0 to -0.9

2,284NCT00346073

Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years

Boostrix Group vs Adacel Group: deaths from any cause1 of 1,522

1 of 762

-0.1 points

-0.7 to 0.3

2,284NCT00346073

Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years

Boostrix Group vs Adacel Group: serious adverse events21 of 1,522

13 of 762

-0.3 points

-1.6 to 0.7

2,284NCT00346073

Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years

Enrolled Set vs Follow-Up Set: deaths from any cause32 of 1,415

30 of 861

-1.2 points

-2.8 to 0.2

2,276NCT02807857

A Prospective Evaluation of Natriuretic Peptide Based Referral of CHF Patients in Primary Care

Enrolled Set vs Follow-Up Set: serious adverse events117 of 1,415

114 of 861

-5.0 points

-7.7 to -2.4

2,276NCT02807857

A Prospective Evaluation of Natriuretic Peptide Based Referral of CHF Patients in Primary Care

Darbepoetin Alfa vs Placebo: serious adverse events781 of 1,133

741 of 1,140

3.9 points

0.1 to 7.8

2,273NCT00358215

RED-HF™ Trial - Reduction of Events With Darbepoetin Alfa in Heart Failure Trial

GSK1572932 Group vs Placebo Group: Number of Patients With Serious Adverse Events (SAEs) - Up to Data Lock Point (DLP)330 of 1,515

164 of 757

0.1 points

-3.6 to 3.6

2,272NCT00480025

GSK1572932A Antigen-Specific Cancer Immunotherapeutic as Adjuvant Therapy in Patients With Non-Small Cell Lung Cancer

GSK1572932 Group vs Placebo Group: deaths from any cause30 of 1,515

17 of 757

-0.3 points

-1.7 to 0.9

2,272NCT00480025

GSK1572932A Antigen-Specific Cancer Immunotherapeutic as Adjuvant Therapy in Patients With Non-Small Cell Lung Cancer

GSK1572932 Group vs Placebo Group: serious adverse events330 of 1,515

164 of 757

0.1 points

-3.6 to 3.6

2,272NCT00480025

GSK1572932A Antigen-Specific Cancer Immunotherapeutic as Adjuvant Therapy in Patients With Non-Small Cell Lung Cancer

Anti-hypertensive Therapy to Goal <140/90 mmHg vs No Anti-hypertensive Unless BP is Severe (≥160/105 mmHg: Small for Gestational Age (Safety)128 of 1,146

117 of 1,124

0.8 points

-1.8 to 3.3

2,270NCT02299414

Chronic Hypertension and Pregnancy (CHAP) Project

Absorb BVS vs XIENCE: Number of Participants With Repeat Coronary Arteriography225 of 1,125

237 of 1,144

-0.7 points

-4.0 to 2.6

2,269NCT02173379

Absorb IV Randomized Controlled Trial

Whole Breast Irradiation + Sequential Boost vs Hypofractionated Whole Breast Irradiation + Concurrent Boost: deaths from any cause87 of 1,124

86 of 1,138

0.2 points

-2.0 to 2.4

2,262NCT01349322

Higher Per Daily Treatment-Dose Radiation Therapy or Standard Per Daily Treatment Radiation Therapy in Treating Patients With Early-Stage Breast Cancer That Was Removed by Surgery

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based All-cause Hospital Readmissions210 of 1,069

222 of 1,193

1.0 points

-2.2 to 4.3

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based All-cause Hospital Readmissions485 of 1,069

516 of 1,193

2.1 points

-2.0 to 6.2

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based Admissions to Skilled Nursing Facilities (SNF) and Inpatient Rehabilitation Facilities (IRF)150 of 1,069

142 of 1,193

2.1 points

-0.6 to 4.9

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based Emergency Department Visits626 of 1,069

691 of 1,193

0.6 points

-3.4 to 4.7

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based Use of Transitional Care Management Billing Codes345 of 1,069

239 of 1,193

12.2 points

8.6 to 15.8

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

COMPASS Intervention vs Usual Care: Number of Subjects With Claims-based All-cause Hospital Readmissions105 of 1,069

103 of 1,193

1.2 points

-1.2 to 3.6

2,262NCT02588664

Comprehensive Post-Acute Stroke Services

Request

GET /api/comparisons/v1

Words from a trial's title, conditions or interventions, its outcome or its groups, or an NCT number.

An outcome counted in participants, the serious adverse events, or the deaths from any cause.

No key needed

Code

Show the call in
curl "https://conductscience.org/api/comparisons/v1?page=159"

Response

The first 2 of this page's 20 results. GET /api/comparisons/v1?page=159

{
  "data": {
    "total": 85013,
    "results": [
      {
        "id": "NCT00003830-305607ae",
        "title": "Arm I:Sentinel Node Resection+Conventional Axillary Dissection vs Arm II: Sentinel Node Resection Followed by Node Examination: Morbidity - Number of Participants With Residual Arm Volume Difference",
        "summary": "314 of 1136 against 192 of 1151; risk difference 11.0 points, 95% interval 7.6 to 14.3; NCT00003830, Surgery to Remove Sentinel Lymph Nodes With or Without Removing Lymph Nodes in the Armpit in Treating Women With Breast Cancer",
        "record": "/library/comparisons/NCT00003830-305607ae",
        "nct_id": "NCT00003830",
        "kind": "outcome",
        "participants": 2287,
        "risk_difference": {
          "value": 0.10959698241578053,
          "lower": 0.07570672079313154,
          "upper": 0.1432331139406867
        },
        "group_1": "314 of 1,136",
        "group_2": "192 of 1,151",
        "difference": "11.0 points",
        "interval": "7.6 to 14.3",
        "trial_title": "Surgery to Remove Sentinel Lymph Nodes With or Without Removing Lymph Nodes in the Armpit in Treating Women With Breast Cancer"
      },
      {
        "id": "NCT00346073-02f59107",
        "title": "Boostrix Group vs Adacel Group: Number of Subjects With Serious Adverse Events (SAEs).",
        "summary": "9 of 1522 against 2 of 762; risk difference 0.3 points, 95% interval -0.4 to 0.9; NCT00346073, Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years",
        "record": "/library/comparisons/NCT00346073-02f59107",
        "nct_id": "NCT00346073",
        "kind": "outcome",
        "participants": 2284,
        "risk_difference": {
          "value": 0.0032886000945019853,
          "lower": -0.004152249300190166,
          "upper": 0.008908194643430064
        },
        "group_1": "9 of 1,522",
        "group_2": "2 of 762",
        "difference": "0.3 points",
        "interval": "-0.4 to 0.9",
        "trial_title": "Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years"
      }
    ],
    "no_events": 33758,
    "columns": [
      {
        "key": "title",
        "label": "Comparison"
      },
      {
        "key": "group_1",
        "label": "With the outcome",
        "under": "group_2"
      },
      {
        "key": "difference",
        "label": "Risk difference, 95% interval",
        "under": "interval"
      },
      {
        "key": "participants",
        "label": "Participants"
      },
      {
        "key": "nct_id",
        "label": "Trial",
        "under": "trial_title"
      }
    ],
    "order": "Most participants first",
    "kinds": {
      "all": 85013,
      "outcome": 33568,
      "serious-adverse-events": 31897,
      "deaths": 19548
    }
  },
  "release": "trial-comparisons-2026-03-23-0.1.0",
  "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. The measures are ConductScience's calculation from them.",
      "short": "Freely available. Acknowledgement requested"
    },
    {
      "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. The measures are ConductScience's calculation from them.",
      "short": "No license stated"
    }
  ],
  "next": "/api/comparisons/v1?page=160",
  "request_id": "lR290NZK4Pt7KGoV"
}

Ask about these results. The first 10 go in the prompt.

About this data
Holds
85,013 comparisons
From ClinicalTrials.gov. Counted 10 Nov 2026.
Release
23 Mar 2026
trial-comparisons-2026-03-23-0.1.0
Checked
20 of 20 review comparisons traced to ClinicalTrials.gov, and all 510,078 numbers calculated again apart from the builder agree
Access
Open
No account. 60 calls a minute from one address.

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
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
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

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.

Sequences

Patent publications

Paste a sequence and see the patents that disclose it.

Opens sequences.conductscience.org

For software

Read Trial comparisons from software.

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

GET https://conductscience.org/api/comparisons/v1?q=placebo%20heart%20failure&kind=outcome

Ask an assistant

  • In FOURIER, how did serious adverse events compare between evolocumab and placebo?
  • Which metformin trials reported deaths, and what was the risk difference?
  • What was the number needed to treat for HELIOS-B's composite outcome?
  • Which placebo-controlled heart failure trials had the most participants?