Clinical trialNCT01620762CompletedPhase 3Interventional

Phase III Cat-PAD Study

SponsorCircassia LimitedEnrollment1,408Rhinoconjunctivitis

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to compare the treatment effect of two treatment regimens of Cat-PAD vs placebo and to evaluates the treatment effect of Cat-PAD on symptoms, rescue medication usage and Quality of Life.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Harold Nelson, MD
Jewish National Health
Principal Investigator
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

118 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Belgium

Facility name not stated
Brussels, Belgium
Facility name not stated
Ghent, Belgium
Facility name not stated
Leuven, Belgium

Canada

Facility name not stated
Burlington, Ontario, Canada
Facility name not stated
Corruna, Ontario, Canada
Facility name not stated
Hamilton, Ontario, Canada
Facility name not stated
Kanata, Ontario, Canada
Facility name not stated
London, Ontario, Canada
Facility name not stated
Newmarket, Ontario, Canada
Facility name not stated
Niagara Falls, Ontario, Canada
Facility name not stated
Oshawa, Ontario, Canada
Facility name not stated
Ottawa, Ontario, Canada
Facility name not stated
Toronto, Ontario, Canada
Facility name not stated
Montreal, Quebec, Canada
Facility name not stated
Pointe-Claire, Quebec, Canada
Facility name not stated
Québec, Quebec, Canada
Facility name not stated
Trois-Rivières, Quebec, Canada

Czechia

Facility name not stated
Brnho, Czechia
Facility name not stated
Jablonec nad Nisou, Czechia
Facility name not stated
Kutná Hora, Czechia
Facility name not stated
Prague, Czechia
Facility name not stated
Rychnov nad Kněžnou, Czechia
Facility name not stated
České Budějovice, Czechia
Facility name not stated
Čáslav, Czechia

Germany

Facility name not stated
Berlin, Germany
Facility name not stated
Bonn, Germany
Facility name not stated
Bramsche, Germany
Facility name not stated
Cologne, Germany
Facility name not stated
Hamburg, Germany
Facility name not stated
Heidelberg, Germany
Facility name not stated
Mönchengladbach, Germany
Facility name not stated
München, Germany
Facility name not stated
Münster, Germany
Facility name not stated
Neuss, Germany
Facility name not stated
Osnabrück, Germany
Facility name not stated
Wesel, Germany
Facility name not stated
Wiesbaden, Germany
Facility name not stated
Wuppertal, Germany

Hungary

Facility name not stated
Budapest, Hungary
Facility name not stated
Csorna, Hungary

78 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Cat-PADPlacebo

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Oct 2012
Primary completion: 30 Jun 2016
Completion: —
Last update posted: 15 Jun 2018
Registered enrollment: 1,408
Registry id: NCT01620762

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.