ConductScience.org, home

85,013 comparisons from ClinicalTrials.gov.

85,013 comparisons

Most participants first33,758 with no events in either group come last2,101 to 2,120 of 85,013

Show the results as
ComparisonWith the outcomeRisk difference, 95% intervalParticipantsTrial
Vaccine vs Placebo: Number of Participants With Wild Type-4 Febrile Adenovirus (ADV) Acute Respiratory Disease (ARD) -- ITT Cohort1 of 3,031

48 of 1,009

-4.7 points

-6.2 to -3.6

4,040NCT00382408

A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001

Vaccine vs Placebo: Number of Participants With Wild Type-4 Adenovirus (ADV) Acute Respiratory Disease (ARD) -- ITT Cohort3 of 3,031

65 of 1,009

-6.3 points

-8.0 to -5.0

4,040NCT00382408

A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001

Vaccine vs Placebo: Number of Participants With Wild Type-4 Febrile Adenovirus (ADV) Acute Respiratory Disease (ARD) -- ITT Cohort --- Day 11-560 of 3,031

44 of 1,009

-4.4 points

-5.8 to -3.3

4,040NCT00382408

A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001

Vaccine vs Placebo: serious adverse events35 of 3,031

12 of 1,009

-0.0 points

-1.0 to 0.6

4,040NCT00382408

A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001

Darbepoetin Alfa vs Placebo: Time to Cardiovascular Mortality259 of 2,012

250 of 2,026

0.5 points

-1.5 to 2.6

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to Cerebrovascular Accident101 of 2,012

53 of 2,026

2.4 points

1.2 to 3.6

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to All-cause Mortality or Cardiovascular (CV) Events Including Hospitalization Due to Acute Myocardial Ischemia, Congestive Heart Failure (CHF), Myocardial Infarction (MI), and Cerebrovascular Accident (CVA)632 of 2,012

602 of 2,026

1.7 points

-1.1 to 4.5

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to Congestive Heart Failure205 of 2,012

229 of 2,026

-1.1 points

-3.0 to 0.8

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to Myocardial Infarction124 of 2,012

129 of 2,026

-0.2 points

-1.7 to 1.3

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to All-cause Mortality412 of 2,012

395 of 2,026

1.0 points

-1.5 to 3.4

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to Hospitalization Due to Acute Myocardial Ischemia41 of 2,012

49 of 2,026

-0.4 points

-1.3 to 0.5

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to All-cause Mortality or End Stage Renal Disease (ESRD)652 of 2,012

618 of 2,026

1.9 points

-1.0 to 4.8

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Darbepoetin Alfa vs Placebo: Time to End Stage Renal Disease338 of 2,012

330 of 2,026

0.5 points

-1.8 to 2.8

4,038NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

V260 With Staggered or Concomitant EPI vs Placebo With Staggered or Concomitant EPI: serious adverse events339 of 2,015

338 of 2,019

0.1 points

-2.2 to 2.4

4,034NCT02062385

Efficacy, Safety, and Immunogenicity of V260 in Healthy Chinese Infants (V260-024)

rIL-2 vs No rIL-2: Pattern of Use of Prophylaxis for Opportunistic Infections54 of 2,028

53 of 2,005

0.0 points

-1.0 to 1.0

4,033NCT00004978

An International Study to Evaluate Recombinant Interleukin-2 in HIV Positive Patients Taking Anti-retroviral Therapy

Non Pre-treatment vs Pre-treatment: serious adverse events167 of 1,996

206 of 2,037

-1.7 points

-3.5 to 0.0

4,033NCT01015287

A Comparison of Prasugrel at PCI or Time of Diagnosis of Non-ST Elevation Myocardial Infarction

Darbepoetin Alfa vs Placebo: serious adverse events1,235 of 2,004

1,219 of 2,019

1.3 points

-1.8 to 4.3

4,023NCT00093015

Trial to Reduce Cardiovascular Events With Aranesp® Therapy (TREAT)

Menhibrix Group vs ActHIB Group: serious adverse events72 of 3,010

18 of 1,010

0.6 points

-0.5 to 1.5

4,020NCT00345683

Safety of Hib-MenCY-TT Vaccine Versus Licensed Hib Conjugate Vaccine, Given at 12 to 15 Months of Age.

Dapa 10 mg vs Placebo: deaths from any cause41 of 2,019

33 of 1,998

0.4 points

-0.5 to 1.2

4,017NCT04564742

Dapagliflozin Effects on Cardiometabolic Outcomes in Patients With an Acute Heart Attack.

Dapa 10 mg vs Placebo: serious adverse events449 of 2,019

404 of 1,998

2.0 points

-0.5 to 4.5

4,017NCT04564742

Dapagliflozin Effects on Cardiometabolic Outcomes in Patients With an Acute Heart Attack.

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=106"

Response

The first 2 of this page's 20 results. GET /api/comparisons/v1?page=106

{
  "data": {
    "total": 85013,
    "results": [
      {
        "id": "NCT00382408-3b51d6a4",
        "title": "Vaccine vs Placebo: Number of Participants With Wild Type-4 Febrile Adenovirus (ADV) Acute Respiratory Disease (ARD) -- ITT Cohort",
        "summary": "1 of 3031 against 48 of 1009; risk difference -4.7 points, 95% interval -6.2 to -3.6; NCT00382408, A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001",
        "record": "/library/comparisons/NCT00382408-3b51d6a4",
        "nct_id": "NCT00382408",
        "kind": "outcome",
        "participants": 4040,
        "risk_difference": {
          "value": -0.04724192920266594,
          "lower": -0.062181147419366437,
          "upper": -0.035634913513861
        },
        "group_1": "1 of 3,031",
        "group_2": "48 of 1,009",
        "difference": "-4.7 points",
        "interval": "-6.2 to -3.6",
        "trial_title": "A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001"
      },
      {
        "id": "NCT00382408-84f8f823",
        "title": "Vaccine vs Placebo: Number of Participants With Wild Type-4 Adenovirus (ADV) Acute Respiratory Disease (ARD) -- ITT Cohort",
        "summary": "3 of 3031 against 65 of 1009; risk difference -6.3 points, 95% interval -8.0 to -5.0; NCT00382408, A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001",
        "record": "/library/comparisons/NCT00382408-84f8f823",
        "nct_id": "NCT00382408",
        "kind": "outcome",
        "participants": 4040,
        "risk_difference": {
          "value": -0.0634304456853021,
          "lower": -0.08030432884663094,
          "upper": -0.04973852432938587
        },
        "group_1": "3 of 3,031",
        "group_2": "65 of 1,009",
        "difference": "-6.3 points",
        "interval": "-8.0 to -5.0",
        "trial_title": "A Clinical Trial to Evaluate the Safety, Efficacy, and Immunogenicity of DR-5001"
      }
    ],
    "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=107",
  "request_id": "flG0cqQusScXW81P"
}

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?