Drug: topiramate: chronic pain clinical trials

Registry records that list "Drug: topiramate" as an intervention. Being studied does not mean an intervention works or is approved.

Trials with Canadian sites

Recruiting in Canada

Registry records in total

Trials in Canada

No trial with a Canadian site lists this intervention in this snapshot.

Trials worldwide (outside Canada)

9 trials, 0 recruiting or not yet recruiting. Recruiting first.

		Phase	Countries
Head-to-head Study of Erenumab Against Topiramate in Patients With Episodic and Chronic Migraine NCT03828539	Completed	Phase 4	Germany	Novartis Pharmaceuticals	2019-02-22
Medical Therapies for Chronic Post-Traumatic Headaches NCT00862095	Terminated	Phase 4	United States	Madigan Army Medical Center	2008-06
Evaluation of the Effectiveness of Topiramate in Preventing the Transformation From Episodic Migraine to Chronic Daily Headache. NCT00212810	Completed	Phase 4		Ortho-McNeil Neurologics, Inc.	2005-09
An Observational Study Evaluating the Safety of Topiramate for the Prevention of Migraine NCT00297336	Completed			Janssen Cilag Pharmaceutica S.A.C.I., Greece	2005-03
An Open Label Extension of a Study Comparing Topiramate and Amitriptyline in Migraine Prevention. NCT00210860	Completed	Phase 3		Johnson & Johnson Pharmaceutical Research & Development, L.L.C.	2004-09
An Open Label Extension of a Study of Topiramate in Chronic Migraine. NCT00210873	Completed	Phase 3		Johnson & Johnson Pharmaceutical Research & Development, L.L.C.	2004-02
The Effectiveness and Safety of Topiramate on Prevention of Chronic Migraine NCT00216606	Completed	Phase 3		Janssen Pharmaceutica N.V., Belgium	2003-12
The Prolonged Use of Topiramate for Preventing Migraine Headaches NCT00216619	Completed	Phase 3	Austria, Belgium, Bulgaria, Czechia and 16 more	Janssen Pharmaceutica N.V., Belgium	2003-11
A Study of the Effectiveness and Safety of Topiramate Versus Placebo for Preventing Chronic Migraine Headaches NCT00210912	Completed	Phase 3		Johnson & Johnson Pharmaceutical Research & Development, L.L.C.	2003-09

Conditions studied with this intervention

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status.