Traditional medicine practice claims for treating COVID

Traditional medicine practice claims for treating COVID


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Introduction

The COVID-19 pandemic originated in Wuhan, China.1 The cause for this virus is a novel coronavirus, called severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), which is one of the known viruses of the Coronaviridae family capable of infecting humans.2 According to World Health Organization, there are over 193 million confirmed cases and over 4 million deaths. The disease is mainly transmitted through close contact with infected individuals via respiratory droplets from either sneezing or coughing.3 The virus shows various unspecific symptoms, ranging from mild to severe. Fever (98%) is the most frequent manifestation that is reported by patients, followed by cough (76%), myalgia or fatigue (44%), sputum production (28%), and headache (8%).4

Even though there are vaccines produced for COVID-19 by different manufacturing industries, people in the community and researchers are trying to find the best way to cure the disease, including herbal medicine. The world was relying on self-care practices that include the use of traditional medicine.5 Traditional medicine is gaining attention for the design and development of novel anti-infectives that might have been used in the prevention and treatment of infectious agents. Complementary and Alternative Medicine (CAM) is a set of practices that are not fully integrated into the modern healthcare system and include herbal products, animal products, spiritual healers, yoga, and relaxation techniques.6 The practice has been used throughout the world for centuries to prevent and treat chronic and acute illnesses including, respiratory tract infections. The immunity of patients plays an essential role in COVID-19. Therefore, traditional medicines having immunomodulatory effects could be a potential candidate for preventive and treatment of COVID-19 patients.7,8

During the early stage of the disease, the community was consuming herbal medicines containing certain active substances, which have antimicrobial or antiviral, anti-inflammatory and immunostimulatory activities, such as Echinacea, Quinine, and Curcumin. These herbal compounds are assumed to modulate the immune system of patients, and they might have beneficial effects on preventing or treating COVID-19.8,9

There are limited clinical trials on the effectiveness of traditional medicines in the prevention and treatment of COVID-19. However, collecting patients views and experiences of using traditional medicine in COVID-19 is essential for future practice. Collecting data on common information queries received in community pharmacies, other medical institutions, and Internet forums will help develop evidence-based information. These interns support effective consultation and communication practices for patients.5 There are theoretical approaches suggesting ACE2 (Angiotensin Converting Enzyme 2) could be one target for managing the COVID-19 infection.10 Plant extracts showed an inhibitory effect on ACE. Cerasus avium (L.) Moench, Alcea digitata (Boiss.) Alef, and Rubia tinctorum L, inhibit ACE up to 100%. Citrus aurantium L.; Berberis integerrima Bge; Peganum harmala L.; and Allium sativum L inhibit the enzyme up to 70% or more.11

The World Health Organization (WHO) recognizes traditional, complementary and alternative medicine of proven quality, safety, and efficacy have many benefits.12 And Africa has a long history of traditional medicine and practitioners that play a crucial role in providing care to populations.13,14 Medicinal plants such as Artemisia annua are considered as possible treatments for COVID-1915,16 And such practices need to be tested for efficacy and safety. The Zone is rich in natural flora, and there are many known traditional medicine practitioners (>115) in the study area.17 In addition, studies reported that traditional medicines practice is common in the Jimma zone.18–20 The current study aimed to assess traditional medicine practices claim by the community for the prevention and treatment of COVID-19 during the pandemic and might serve as an input for pharmaceutical manufacturers and researchers for designing and developing novel agents used for the prevention and treatment of patients.

Materials and Methods

Study Setting and Period

The study was conducted in Jimma Zone, Oromia Regional State. Jimma is located 357 Km Southwest of Addis Ababa, the capital city of Ethiopia. Currently, the Zone has 22 Woredas and two (2) self-administrative cities, and according to the 2007 Ethiopian census, the Zone had a total population of 2,486,155, of which 1,250,527 was men and the total households counted were 521,506.21 According to the Jimma Zone health bureau, 12,989 of them tested for COVID-19. Eight hundred and five (805) were confirmed to have COVID-19 cases, and 798 recovered. The study was conducted from March-April 2021.

Study Design

A community-based cross-sectional study design was employed.

Participants and Sampling Procedures

The sample size was determined by using single population proportion formula for a cross-sectional study, n=Z2P (1-P)/d2. Where P=50% (prevalence of traditional medicine practice for prevention and treatment of COVID-19), Z=1.96 (the value under the standard normal table for 95% CI), d=5% (margin of error) and the total sample size was 384. The community might be unwilling to participate because of case novelty, and we consider a 10% non-response rate. Finally, the total sample size included in the study was 422 households.

Nine Woredas and two administrative cities were selected using a lottery method. A proportional allocation was employed to obtain the required sample size for each Woreda and administrative city. A convenient sampling technique was used to select villages from each Woreda depending on data about traditional medicine practice obtained from their respective administration office. Finally, the households were selected using a systematic random sampling technique, and the first household was selected randomly from the list obtained from the included village administration office (Figure 1). Adults (> 18 years old) and living for at least six months and expressed willingness to participate were included. Priority was given for mothers and fathers, and if they are unavailable during data collection, individual older than 18 years was included. Parents who were unable to supply the required information due to any reason (mental health, incapable of communication, not willing etc.) were excluded from the study.

Figure 1 Sampling framework.

Data Collection Tools and Techniques

Pretested, semi-structured interview-based questionnaires were used for the data collection. The questionnaires were adapted from previous studies conducted to assess community claims for other types of infections and modified as required.22–24,27,28 The questionnaires were prepared in English. To check the clarity and reliability of the questionnaire, a pretest was conducted on 5% of the sample size. During the process of pretest, the participants were selected randomly from the non-sampled village. The questionnaires consist of sociodemographic characteristics (sex, age, religion, marital status, occupation, level of education, number of families). Traditional medicine practice for prevention and treatment of COVID-19 (do you ever used any traditional medicine for the prevention and treatment of COVID-19 since the outbreak? Do you agree spiritual healers can prevent and treat COVID-19? Do you agree traditional medicine practitioners can prevent and treat COVID-19 cases? Traditional medicine used if any (local name, part/s used, dosage form, route of administration, method of preparation, duration of use, frequency of use, source of the plant). The data were collected by trained data collectors (Pharmacists and Health Officers). During data collection, the data collectors maintained at least two meters (2m) distance from the respondents, and the use of a face mask and alcohol-based hand sanitizer was mandatory.

Data Processing, Analysis and Presentation

The data were entered and cleaned using Epi Info 3.1 software and exported to IBM SPSS Statistics for Windows, version 26.0 (IBM Corp., Armonk, N.Y., USA) for further analysis. Descriptive statistics (frequency and percentage) were used for describing and summarizing the data.

The medicinal plants were recorded in Microsoft excel 2010 and tabulated in the table with their respective local name, families, parts used, dosage form, method of preparation, frequency of use, duration of use and source of plants. For all the traditional medicines described, Relative Frequency of Citation (RFC) was calculated using equation 1.25

1

Where FC is the number of respondents who mentioned the plant species and N is the number of respondent participated in the study.

The results of the RFC and the top 10 medicinal plants used were presented in the radar diagram.

Ethical Consideration

The study protocol was reviewed and approved by the Ethical Review Committee of Jimma University (JU), Institute of Health and approved with IRBPGN/934/2020 number. The Ethical Review Committee of Jimma University accepted and approved verbal informed consent. Verbal informed consent was obtained from the participants after the purpose and methods of the study had been explained in detail. All of their responses were kept confidential and anonymous.

Results

Sociodemographic Characteristics

More than half, 226 (53.6%) of the participants were males. The majority of 355 (84.1%) participants were married, and around 72% of the participants were followers of the Muslim religion. The age (mean ± SD) of participants was 38.49 ± 19.26. 147 (34.8%) of the participants did not have formal education, and around 39% of participants were farmers. The numbers of families living in one home (mean ± SD) were 4.61± 1.85 (Table 1).

Table 1 Sociodemographic Characteristics of Participants

Practice of Traditional Medicine for the Prevention and Treatment of COVID-19

The prevalence of TM practice claims for the prevention and management of COVID-19 was 195 (46.2%). Thirty-two percent (32%) of the participants believes spiritual healers could treat COVID-19. However, only 123 (29.1%) of the participants claimed COVID-19 could be treated by traditional healers (Table 2).

Table 2 Traditional Medicine Practice for COVID-19 in Jimma Zone During the Outbreak

Herbal Products Claims by the Community for the Prevention and Treatment of COVID-19

The community claimed both herbal and non-herbal traditional medicines for the prevention and treatment of COVID-19. From these: Garlic, ginger, lemon, garden cress and “Damakase” were some of them to list. The detailed description of herbal products claimed by the community is described in Table 3.

Table 3 Detailed Description of Traditional Medicines Claimed by the Community for the Prevention and Treatment of COVID-19

Parts of Plants Used

The most frequently used parts of medicinal plants described by the community were seeds (50.00%) followed by leaves (34.38%) (Figure 2).

Figure 2 Parts of medicinal plants claimed by the community for the prevention and treatment of COVID-19.

Route of Administration

From 32 herbal and non-herbal traditional medicines (Table 3) described by the community, 29 (90.63%) prepared for oral administration in either solid/liquid dosage form (Table 4).

Table 4 Traditional Medicines Route of Administration for the Prevention and Treatment of COVID-19

Relative Frequency of Citation (RFC) and Source of Medicinal Plants

The relative frequency of citation ranged from 0.002–0.168, and the majority of medicinal plants were from the home garden (Table 3).

Top 10 Traditional Medicines Claimed by Community for the Prevention and Treatment of COVID-19

As shown in Figure 3 of the radar plot, garlic (RFC= 0.168) was the most cited herbal medicine, followed by ginger (RFC=0.133) and lemon (RFC=O.133).

Figure 3 Relative frequency of citation of traditional medicine claims for the prevention and treatment of COVID-19.

Discussion

Emerging viral infections are amongst the major global community health anxieties. COVID-19 is an infectious respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Except for the development of vaccines, there is no specific drug to treat COVID-19.26

At present, traditional medicine practice for COVID-19 seems to be usual all over the world. A series of herbs are believed to be effective in relieving or treating symptoms. Many governments also formally or informally advocate or authorize the use to treat COVID-19, mainly because of its effectiveness in relieving other respiratory symptoms or popular beliefs. Traditional medicine practice in COVID-19 can reflect geography, culture, and religion,5 and this type of practice is part of Ethiopia’s healthcare systems.

According to the present study, almost half (46.2%) of the participants used traditional medicines for the prevention and treatment of COVID-19 cases. The finding is higher than the telephone survey study conducted in India, where (25.8%) of participants were practicing traditional medicines. The discrepancy might be due to the study participants. As the study conducted in India only included patients in isolation centers with suspected COVID-19.27 However, the finding was comparable with the study conducted in Hong Kong; in which 44% of the participants practiced traditional medicines for prevention and treatment of COVID-19.28 Different studies claimed that traditional medicine could be a possible candidate for the prevention and treatment of COVID-19.29,30 There is a report that traditionally used plant species as food can boost immunity. Therefore, might help to prevent the clinical presentation of COVID-19.31

Around one-third of the participants claim spiritual healers can treat COVID-19 cases, and 29.1% of the participants perceived traditional healers could treat COVID-19. The discrepancy between the practice of traditional medicine (46%) and the claim that traditional healers can treat the case (29%) might be due to the absence of approved drugs, inaccessibility of approved vaccines (economic component) and the absence of another choice.

The community described 32 herbal and non-herbal products used for the prevention and/treatment of COVID-19. The study conducted in Morocco identified 23 medicinal plants for the prevention of COVID-19.32 The most commonly reported parts of the herbal medicine were: seeds followed by leaves. The finding was comparable with the study conducted in Nepal33 in which leaves, seeds and fruit were the commonly used parts of medicinal plants. The oral route of administration was the frequently used route of administration by the community. Garlic, ginger and lemon were the most used herbal products. This finding is comparable with the study from Nepal in which Zingiber officinale followed by Curcuma angustifolia and Allium sativum.33

Strength of the Study

This study is the first kind in Ethiopia, and a good sample size was used for this cross-sectional study. In addition, the study was done during the pandemic area, so it catches up with the current real practice in the community.

Limitation of the Study

The study was cross-section and suffers from the drawback of the cross-sectional study design. The study did not assess the efficacy and safety profile of described traditional medicines and hence not recommended to be practiced. In addition, there might be measurement error for some variables.

Conclusions and Recommendations

Nearly half of the participants were practicing traditional medicine for the prevention and treatment of COVID-19 cases. Half of the participants did not believe spiritual healers treat COVID-19, and one-third of the participants claimed that traditional healers could treat COVID-19. Garlic, ginger, lemon, garden cress and “damakase” were the most commonly used herbal products. The most frequently used parts of the herbal products were seeds followed by leaves, and the most used route of administration was the oral route. This quantity of traditional medicine practice is probably challenging to control the pandemic. However, it might open possibilities for pharmaceutical industries and researchers to look into the effectiveness and safety of claimed medicinal products. Therefore, all responsible bodies are advocated to behave accordingly.

Future Direction

The traditional medicines were identified from indigenous knowledge of the community, and it is advised in-vitro and in-vivo tests to be conducted to assure their safety and efficacy. Identification of the active component of medicinal plants is also necessary and might be a possible lead compound for the design of an effective therapy.

Data Sharing Statement

The data set used for analysis is available from the corresponding author upon request.

Ethical Statement

The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the Institutional Review Board of Jimma University Institute of Health (IRBPGN/934/2020).

Acknowledgments

The authors would like to acknowledge Jimma University for funding this research, the participants and data collectors.

Funding

The current work was funded by the Jimma University fund for the COVID-19 special grant. The funder did not have any role in the design of the study and publication.

Disclosure

The authors disclose no conflicts of interest in this work.

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