Status:

NOT_YET_RECRUITING

Topical Versus Injection PRP for Olfactory Dysfunction

Lead Sponsor:

Taipei Veterans General Hospital, Taiwan

Conditions:

Olfactory Dysfunction

Anosmia

Eligibility:

All Genders

18-80 years

Phase:

PHASE3

Brief Summary

The goal of this clinical trial is to determine whether two different delivery methods of autologous platelet-rich plasma (PRP) can improve olfactory function in adults with persistent olfactory dysfu...

Detailed Description

Persistent olfactory dysfunction (OD) is a common sequela of viral upper respiratory tract infections, including COVID-19, and can significantly affect patients' quality of life, nutrition, and safety...

Eligibility Criteria

Inclusion

  • Aged between 18 and 80 years, regardless of sex
  • Subjective complaint of olfactory dysfunction with confirmed hyposmia or anosmia based on standardized olfactory testing
  • History of at least 3 months of prior olfactory training but with persistent olfactory complaints

Exclusion

  • Congenital anosmia
  • Diagnosed neurological or structural brain abnormalities (e.g., brain tumor, major head trauma, stroke) with low likelihood of olfactory recovery
  • Inability or unwillingness to comply with study procedures or follow-up assessments

Key Trial Info

Start Date :

October 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2028

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT07151703

Start Date

October 1 2025

End Date

December 31 2028

Last Update

September 3 2025

Active Locations (1)

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Taipei Veterans General Hospital

Taipei, Taiwan, 112201