Skip to content

Clinical trials

Completed Observational Diphtheria trials

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

Filters: Condition: Diphtheria Phase: Observational Status: Completed Clear all

18 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20033
20041
20061
20081
20091
20101
20122
20131
20152
20161
20171
20191
20231

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Completed18

Top lead sponsors

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

Top lead sponsors
CategoryTrials
GlaxoSmithKline8
Sanofi Pasteur, a Sanofi Company5
BioNet-Asia Co., Ltd.1
Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer1
National Institute of Allergy and Infectious Diseases (NIAID)1
Sanofi1
University of Oxford1

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
Diphtheria18
Tetanus15
Whooping Cough11
Poliomyelitis6
Haemophilus Infections3
Hepatitis B3
Aspergillosis, Allergic Bronchopulmonary1
COVID-191
Congenital Abnormalities1
Meningitis, Meningococcal1

Trials

Showing 1 to 18 of 18. 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.

Go deeper on Pharma Observatory

Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.