Status:

RECRUITING

Stellate Ganglion Block with Lidocaine for the Treatment of COVID-19-Induced Parosmia

Lead Sponsor:

London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's

Conditions:

Parosmia

Eligibility:

All Genders

18-70 years

Phase:

PHASE3

Brief Summary

Chronic olfactory dysfunction, both hyposmia and parosmia, from the COVID-19 pandemic is a growing public health crisis, affecting up to 1.2 million people in the United States. Olfactory dysfunction ...

Detailed Description

This will be a double-blinded, placebo-controlled, randomized clinical to assess the efficacy of Stellate Ganglion Block with Lidocaine 1% (8mL). Participants with parosmia will be randomly assigned t...

Eligibility Criteria

Inclusion

  • Adults age 18 to 70
  • Diagnosis of COVID-19 at least 6 months prior to study enrollment with self-reported parosmia
  • Ability to read, write, and understand English
  • Score of at least 15 on DiSODOR

Exclusion

  • History of smell loss or change prior to COVID-19 infection
  • History of conditions known to impact olfactory function:
  • Chronic rhinosinusitis
  • History of prior sinonasal or skull base surgery
  • Neurodegenerative disorders (Parkinson's disease, Huntington's disease, Amyotrophic lateral sclerosis, Lewy body dementia, frontotemporal dementia)
  • Currently using concomitant therapies specifically for the treatment of olfactory dysfunction
  • Inability to tolerate a needle injection into the neck
  • History of coexisting conditions that make SGB contraindicated:
  • Unilateral vocal cord paralysis
  • Severe chronic obstructive pulmonary disease (FEV1 between 30-50% of predicted)
  • Recent myocardial infarction within the last year
  • Glaucoma
  • Cardiac conduction block of any degree
  • Currently taking blood thinners or antiplatelet agents
  • Allergy to local anesthetic
  • Inability to extend the neck for any reason (e.g., severe arthritis)

Key Trial Info

Start Date :

February 15 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 15 2026

Estimated Enrollment :

44 Patients enrolled

Trial Details

Trial ID

NCT06055270

Start Date

February 15 2024

End Date

May 15 2026

Last Update

October 23 2024

Active Locations (1)

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Page 1 of 1 (1 locations)

1

St. Joseph's Hospital London

London, Ontario, Canada, N6A 4V2