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Clinical trials

Phase 4 Diphtheria trials in the United States

Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.

Filters: Condition: Diphtheria Phase: Phase 4 Country / region: United States Clear all

15 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20042
20051
20063
20071
20112
20123
20201
20242

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed13
Recruiting1
Unknown status1

Top lead sponsors

A sponsor with a page on Pharma Observatory links to it.

Top lead sponsors
CategoryTrials
Sanofi Pasteur, a Sanofi Company7
Sanofi3
GlaxoSmithKline1
Institute of Arthritis Research1
National Institute of Allergy and Infectious Diseases (NIAID)1
Rutgers, The State University of New Jersey1
Women and Infants Hospital of Rhode Island1

Top conditions

MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.

Top conditions
CategoryTrials
Diphtheria15
Tetanus14
Whooping Cough11
Haemophilus Infections2
Meningitis2
Meningococcal Infections2
Inflammation1
Poliomyelitis1
Pre-Eclampsia1

Trials

Showing 1 to 15 of 15. Each trial links to its page on Pharma Observatory.

Recently changed trials

Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.

No changes to these trials in the last 7 days.

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