NCT05269017

Brief Summary

The current study will be a pilot study for a randomized controlled trial conducted on patients recruited from the outpatient clinic of the Otorhinolaryngology Department, Menoufia Faculty of Medicine To evaluate the effect of vitamin D nasal drops in the treatment of post COVID 19 parosmia

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Jun 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 4, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 7, 2022

Completed
3 months until next milestone

Study Start

First participant enrolled

June 1, 2022

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2023

Completed
Last Updated

May 11, 2022

Status Verified

May 1, 2022

Enrollment Period

9 months

First QC Date

March 4, 2022

Last Update Submit

May 5, 2022

Conditions

Keywords

Vitamin DOlfactory dysfunctionParosmiaPost COVID-19 Parosmia

Outcome Measures

Primary Outcomes (2)

  • Comparison between the pre and post treatment values

    Comparison between the pre and post-treatment values of visual analog scale values for post-COVD-19 parosmia. The values range from 0 to 10 with 10 indicating severe parosmia.

    After one month of treatment

  • Comparison between case and control groups regarding the post treatment results

    Comparison between case and control groups regarding the post treatment results whether no improvement, partial improvement, or complete improvement

    After one month of treatment

Secondary Outcomes (1)

  • Assessment of the side effects of Ivermectin nasal drops

    After one month of treatment

Study Arms (2)

Case group

EXPERIMENTAL

The case group patients will receive vitamin D3 nasal drops

Drug: Vitamin D3

Control group

ACTIVE COMPARATOR

The control group will remove local corticosteroid spray

Drug: Budesonide nasal spray

Interventions

Devarol S amp containing 200,000 units per 2 ml giving a concentration of 5,000 units per drops for four weeks

Case group

64 µg per puff in a dose of 1 puff for each nostril twice daily for four weeks

Control group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may not qualify if:

  • History of previous nasal surgery,
  • Underlying systemic diseases (like diabetes mellitus, hypertension, or autoimmune diseases),
  • Hypersensitivity to vitamin D3.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Menoufia Faculty of Medicine

Shibīn al Kawm, Menoufia, 32511, Egypt

Location

Related Publications (9)

  • Vaira LA, Salzano G, Deiana G, De Riu G. Anosmia and Ageusia: Common Findings in COVID-19 Patients. Laryngoscope. 2020 Jul;130(7):1787. doi: 10.1002/lary.28692. Epub 2020 Apr 15.

    PMID: 32237238BACKGROUND
  • Parma V, Ohla K, Veldhuizen MG, Niv MY, Kelly CE, Bakke AJ, Cooper KW, Bouysset C, Pirastu N, Dibattista M, Kaur R, Liuzza MT, Pepino MY, Schopf V, Pereda-Loth V, Olsson SB, Gerkin RC, Rohlfs Dominguez P, Albayay J, Farruggia MC, Bhutani S, Fjaeldstad AW, Kumar R, Menini A, Bensafi M, Sandell M, Konstantinidis I, Di Pizio A, Genovese F, Ozturk L, Thomas-Danguin T, Frasnelli J, Boesveldt S, Saatci O, Saraiva LR, Lin C, Golebiowski J, Hwang LD, Ozdener MH, Guardia MD, Laudamiel C, Ritchie M, Havlicek J, Pierron D, Roura E, Navarro M, Nolden AA, Lim J, Whitcroft KL, Colquitt LR, Ferdenzi C, Brindha EV, Altundag A, Macchi A, Nunez-Parra A, Patel ZM, Fiorucci S, Philpott CM, Smith BC, Lundstrom JN, Mucignat C, Parker JK, van den Brink M, Schmuker M, Fischmeister FPS, Heinbockel T, Shields VDC, Faraji F, Santamaria E, Fredborg WEA, Morini G, Olofsson JK, Jalessi M, Karni N, D'Errico A, Alizadeh R, Pellegrino R, Meyer P, Huart C, Chen B, Soler GM, Alwashahi MK, Welge-Lussen A, Freiherr J, de Groot JHB, Klein H, Okamoto M, Singh PB, Hsieh JW; GCCR Group Author; Reed DR, Hummel T, Munger SD, Hayes JE. More Than Smell-COVID-19 Is Associated With Severe Impairment of Smell, Taste, and Chemesthesis. Chem Senses. 2020 Oct 9;45(7):609-622. doi: 10.1093/chemse/bjaa041.

    PMID: 32564071BACKGROUND
  • Lerner DK, Garvey KL, Arrighi-Allisan AE, Filimonov A, Filip P, Shah J, Tweel B, Del Signore A, Schaberg M, Colley P, Govindaraj S, Iloreta AM. Clinical Features of Parosmia Associated With COVID-19 Infection. Laryngoscope. 2022 Mar;132(3):633-639. doi: 10.1002/lary.29982. Epub 2021 Dec 13.

    PMID: 34870334BACKGROUND
  • Bikle DD. Vitamin D metabolism, mechanism of action, and clinical applications. Chem Biol. 2014 Mar 20;21(3):319-29. doi: 10.1016/j.chembiol.2013.12.016. Epub 2014 Feb 13.

    PMID: 24529992BACKGROUND
  • Wobke TK, Sorg BL, Steinhilber D. Vitamin D in inflammatory diseases. Front Physiol. 2014 Jul 2;5:244. doi: 10.3389/fphys.2014.00244. eCollection 2014.

    PMID: 25071589BACKGROUND
  • Cho SW, Zhang YL, Ko YK, Shin JM, Lee JH, Rhee CS, Kim DY. Intranasal Treatment With 1, 25-Dihydroxyvitamin D3 Alleviates Allergic Rhinitis Symptoms in a Mouse Model. Allergy Asthma Immunol Res. 2019 Mar;11(2):267-279. doi: 10.4168/aair.2019.11.2.267.

    PMID: 30661318BACKGROUND
  • Enkhjargal B, McBride DW, Manaenko A, Reis C, Sakai Y, Tang J, Zhang JH. Intranasal administration of vitamin D attenuates blood-brain barrier disruption through endogenous upregulation of osteopontin and activation of CD44/P-gp glycosylation signaling after subarachnoid hemorrhage in rats. J Cereb Blood Flow Metab. 2017 Jul;37(7):2555-2566. doi: 10.1177/0271678X16671147. Epub 2016 Jan 1.

    PMID: 27671249BACKGROUND
  • Gong W, Feng Y, Yan P, Li S, Yu C, Zhou X, Xu F, Zhang D, Ren X, Zhou J, Jiang Y. [Effect of nasal instillation of vitamin D3 on patient with allergic rhinitis symptoms]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2014 Jul;28(14):1031-3. Chinese.

    PMID: 25330636BACKGROUND
  • Shin YH, Ha EK, Kim JH, Yon DK, Lee SW, Sim HJ, Sung M, Jee HM, Han MY. Serum vitamin D level is associated with smell dysfunction independently of aeroallergen sensitization, nasal obstruction, and the presence of allergic rhinitis in children. Pediatr Allergy Immunol. 2021 Jan;32(1):116-123. doi: 10.1111/pai.13341. Epub 2020 Oct 8.

    PMID: 32841423BACKGROUND

MeSH Terms

Conditions

Olfaction Disorders

Interventions

Cholecalciferol

Condition Hierarchy (Ancestors)

Sensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsVitamin DSecosteroidsMembrane LipidsLipids

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
The statistician will be blinded to the patient's group
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principle Investigator

Study Record Dates

First Submitted

March 4, 2022

First Posted

March 7, 2022

Study Start

June 1, 2022

Primary Completion

March 1, 2023

Study Completion

March 1, 2023

Last Updated

May 11, 2022

Record last verified: 2022-05

Data Sharing

IPD Sharing
Will share

Study data will be available on request from the authors

Shared Documents
STUDY PROTOCOL, SAP, CSR
Time Frame
After publication of the study results
Access Criteria
On approval of the authors of the study

Locations