Procedure: Placebo: chronic pain clinical trials

Registry records that list "Procedure: Placebo" 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.

6 trials, 1 recruiting or not yet recruiting. Recruiting first.

		Phase	Countries
A Comparative Study of Erector Spinae Fascia (ESF) Injection and Dry Needling Combined With Functional Rehabilitation (FR) in Patients With Chronic Low Back Pain Who Have Undergone Spinal Surgery (SPIN-NEED) NCT07555496	Recruiting	Not applicable	France	Clinique de la Côte d'Emeraude	2026-09-07
Enhancing Cognitive Processing Therapy for Posttraumatic Stress Disorder Via Stellate Ganglion Block Treatment: A Pilot Trial NCT05534126	Completed	Not applicable	United States	Rush University Medical Center	2022-11-01
Cryoneurolysis Outcome on Pain Experience (COPE) in Patients With Low-back Pain NCT04786145	Unknown status	Not applicable	Denmark	University of Aarhus	2020-02-15
Chiropractic Treatment for Headache Among Children Aged 7-14 NCT02684916	Completed	Not applicable	Denmark	Nordic Institute of Chiropractic and Clinical Biomechanics	2015-10
Regional Anesthesia for Thyroidectomy NCT02108834	Unknown status	Not applicable	China	Guangzhou First People's Hospital	2014-04
Bee Venom Acupuncture for the Treatment of Chronic Low Back Pain NCT01491321	Unknown status	Phase 2	South Korea	Kyunghee University Medical Center	2011-04

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