Drugs / DTPa
last change Jun 2026 re-read 2 minutes ago

DTPa

also known as pentetic acid calcium

Vaccine

Developed for
diphtheria · tetanus
Investigated by
Billy W. Loo Jr. · GlaxoSmithKline

Trials 2 · a red edge is where a trial was stopped

201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT01034514 Dec 2009 → Jun 2014 lung cancer Billy W. Loo Jr. Terminated No outcome recorded
Phase 31 trial
Phase 3 NCT07596199 Jun → Dec 2026 expected GlaxoSmithKline Recruiting No outcome recorded
Also used as a comparator or background therapy in 3 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial
Phase 1/2 NCT00019227 Background Oct 1996 → Jul 2006 lymphoma, radiation-induced disorder National Cancer Institute (NCI) Completed No outcome recorded
Phase 32 trials
Phase 3 NCT01027845 Background Dec 2009 → Aug 2010 streptococcal infection GlaxoSmithKline Completed No outcome recorded
Phase 3 NCT00290342 Comparator Jan 2006 → Jan 2007 diphtheria, tetanus GlaxoSmithKline Completed No outcome recorded

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 5 sources stand behind the page.

FieldValueCited text
Known as DTPa ClinicalTrials.gov intervention name — accepted as the source's own label NCT00290342
3

NCT01034514

NCT07596199

NCT01027845

Known as pentetic acid calcium ClinicalTrials.gov intervention name — accepted as the source's own label NCT00019227
Modality Vaccine “GSK Biologicals' combined diphtheria-tetanus-acellular pertussis (DTPa) vaccineNCT00290342
Route Intravenous “pentetic acid calcium IV over 5 hours” NCT00019227