- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04830943
Cerebrolycin for Treatment of Covid-related Anosmia and Ageusia
The Effectiveness of Cerebrolycin, a Multi-modal Neurotrophic Factor, for Treatment of Post-covid-19 Persistent Olfactory, Gustatory and Trigeminal Chemosensory Dysfunctions: A Pilot Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Assiut, Egypt, 71516
- Assiut University Hospitals, Faculty of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- A random sample of at least 250 adults with sudden hyposmia/anosmia and/or hypoageusia/ageusia during COVID-19 pandemics and experienced persistent olfactory and/or gustatory manifestations after recovery from other acute viral manifestations.
- compliance for drug intervention (group 1) or olfactory training (group 2) for at least 8 weeks.
Exclusion Criteria:
- Prior neurologic, medical or psychiatric disease.
- Other known infection at onset
- Nasal congestion
- Nasal polyps
- Surgery or head trauma or radiation for head and neck cancers as may result in injury to the nerves that control smell
- Exposure to toxic chemicals (such as pesticides and solvents)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Olfactory and gustatory disorders after covid 19 infection (n = 150)
Cerebrolysin Dose:5 ml ampoule (1ml contains 215.2 mg cerebrolysin) once daily through intramuscular injection five times per week, for a total of 40 treatments (for at least 8 weeks after presentation), after which the cycle was repeated again according to the each patient response to therapy for a maximum of 24 weeks.
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Cerebrolysin will be prescribed in a dose of 5 ml ampoule once daily through intramuscular injection (1ml contains 215.2 mg cerebrolysin) for five times per week, for a total of 40 treatments (for 8 weeks), after which the cycle was individually repeated according to the response of the patient to therapy for a maximum of 24 weeks
Other Names:
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No Intervention: control group (n = 100)
no drug intervention, just olfactory training using at least 4 strong odors to smell twice daily for at least 15 minutes (every time), for at least 8 weeks after presentation.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The smell and taste questionnaire component of the National Health and Nutrition Examination Survey (NHNES). And the modified Arabic translated and validated sniffin' sticks odor identification test was used for objective olfactory evaluations.
Time Frame: The subject smell and taste sensations at baseline (presentation)
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The NHNES questions have been selected to characterize the variation, timing and associated-symptoms of both olfactory and gustatory systems.
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The subject smell and taste sensations at baseline (presentation)
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objective testings: sniffen's odor, taste and flavor identification testing
Time Frame: at presentation (baseline)
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For quantitative assessment of smell, we used 16 odors familiar to Egyptians For quantitative assessment of taste loss, we used sugar (sweet), salt (salty), lemon (sour), old rumi cheese chips (umami) and coffee (bitter), the five basic tastants. For quantitative assessment of flavor, we used 16 recipes familiar for Egyptians. |
at presentation (baseline)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Globas Rating for smell (GRS)
Time Frame: 8 weeks, 12 weeks, 16 weeks, 18 weeks and 24 weeks
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GRS is a single-item, global rating that asks the patient to rate his current sense of smell as follow: excellent, very good, good, fair, poor or absent
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8 weeks, 12 weeks, 16 weeks, 18 weeks and 24 weeks
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The Globas Rating for taste (GRT)
Time Frame: 8 weeks, 12 weeks, 18 weeks and 24 weeks
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GRT is a single-item, global rating that asks the patient to rate his current sense of taste as follow: excellent, very good, good, fair, poor or absent
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8 weeks, 12 weeks, 18 weeks and 24 weeks
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objective testings: sniffen's odor, taste and flavor identification testing
Time Frame: at 8, 12, 16, 18 and 24 weeks after intial evaluation at baseline
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For quantitative assessment of smell, we used 16 odors familiar to Egyptians For quantitative assessment of taste loss, we used sugar (sweet), salt (salty), lemon (sour), old rumi cheese chips (umami) and coffee (bitter), the five basic tastants. For quantitative assessment of flavor, we used 16 recipes familiar for Egyptians. |
at 8, 12, 16, 18 and 24 weeks after intial evaluation at baseline
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Chachkhiani D, Soliman MY, Barua D, Isakadze M, Villemarette-Pittman NR, Devier DJ, Lovera JF. Neurological complications in a predominantly African American sample of COVID-19 predict worse outcomes during hospitalization. Clin Neurol Neurosurg. 2020 Oct;197:106173. doi: 10.1016/j.clineuro.2020.106173. Epub 2020 Aug 25.
- Shrestha GS, Khanal S, Sharma S, Nepal G. COVID-19: Current Understanding of Pathophysiology. J Nepal Health Res Counc. 2020 Nov 13;18(3):351-359. doi: 10.33314/jnhrc.v18i3.3028.
- Veinbergs I, Mante M, Mallory M, Masliah E. Neurotrophic effects of Cerebrolysin in animal models of excitotoxicity. J Neural Transm Suppl. 2000;59:273-80. doi: 10.1007/978-3-7091-6781-6_29.
- Lechien JR, Chiesa-Estomba CM, De Siati DR, Horoi M, Le Bon SD, Rodriguez A, Dequanter D, Blecic S, El Afia F, Distinguin L, Chekkoury-Idrissi Y, Hans S, Delgado IL, Calvo-Henriquez C, Lavigne P, Falanga C, Barillari MR, Cammaroto G, Khalife M, Leich P, Souchay C, Rossi C, Journe F, Hsieh J, Edjlali M, Carlier R, Ris L, Lovato A, De Filippis C, Coppee F, Fakhry N, Ayad T, Saussez S. Olfactory and gustatory dysfunctions as a clinical presentation of mild-to-moderate forms of the coronavirus disease (COVID-19): a multicenter European study. Eur Arch Otorhinolaryngol. 2020 Aug;277(8):2251-2261. doi: 10.1007/s00405-020-05965-1. Epub 2020 Apr 6.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Nervous System Diseases
- Coronavirus Infections
- Coronaviridae Infections
- Nidovirales Infections
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Pneumonia, Viral
- Pneumonia
- Lung Diseases
- Neurologic Manifestations
- Sensation Disorders
- Olfaction Disorders
- COVID-19
- Anosmia
- Physiological Effects of Drugs
- Neuroprotective Agents
- Protective Agents
- Nootropic Agents
- Cerebrolysin
Other Study ID Numbers
- COVID-NGF/AUH_SAH/2020
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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