Quality analysis of Albendazole drugs available in veterinary pharmacies of Nepal

preprint OA: closed CC-BY-4.0
📄 Open PDF Full text JSON View at publisher
AI-generated summary by claude@2026-07+body, 2026-07-05

This study analyzed 118 Albendazole drug samples from Nepalese veterinary pharmacies, finding consistent weight, disintegration, and assay, but poor hardness and friability in most formulations.

One-sentence paraphrase of the abstract; not a substitute for reading it. No clinical advice. How this works

AI-generated deep summary by claude@2026-07, 2026-07-05 · read from full text

This study assessed the physical and content quality of albendazole products sold in veterinary pharmacies across Nepal, motivated by concerns about anthelmintic resistance and rumors of ineffectiveness. Researchers collected 118 samples (multiple formulations and strengths) from seven manufacturers across 20 districts and tested them at Nepal’s Veterinary Standards and Drug Regulatory Laboratory using physical conformity measures (e.g., weight variation, hardness, friability, disintegration) and assay/content analysis via UV spectrophotometry and HPLC. The drugs were consistent for weight, disintegration time, and assay, but most showed poor hardness and friability quality. A major limitation is that it was a drug-quality survey using prescribed laboratory protocols and does not directly measure antiparasitic efficacy. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

Read from the paper's body, not the abstract. Not a substitute for reading the paper. No clinical advice. How this works

Abstract

Abstract Background Ecto- and endoparasites cause significant economic losses to the livestock industry, primarily due to helminth parasites. The heavy reliance on anthelmintics to control parasites, coupled with inadequate drug quality in terms of physical and content parameters, often leads to excessive and irrational use of anthelmintics. This poses a public health hazard due to the potential development of anthelmintic resistance. The dosage prescribed depends on the active ingredients present in the drug. Thus, an anthelmintic drug must contain the labeled amount of active pharmaceutical ingredients and comply with the standard quality tests. Veterinary Standards and Drug Regulatory Laboratory (VSDRL) is the national regulatory laboratory of Nepal for veterinary products, mandated to test the quality of various veterinary drugs. Amidst growing concerns of anthelmintic resistance and constant rumors of ineffectiveness of anthelmintics in the Nepalese market, it is vital to analyze the efficacy of veterinary drugs in Nepal. This study aims to analyze the quality (physical and content analysis) of Albendazole, the most common anthelmintic available in the local market. Methods We conducted the study from July 2021 to July 2023 at VSDRL in Kathmandu. A total of 118 samples of Albendazole drug (suspension of 25 mg/ml, tablets of 200 mg and 300 mg, and boluses of 600 mg and 1500 mg) were collected from seven different pharmaceuticals across 20 districts of Nepal. The samples were tested for their physical conformity and assay according to the laboratory protocols of VSDRL. Physical analysis included weight variation, hardness, friability, and disintegration, whereas the content analysis was performed using UV spectrophotometry and High-performance liquid chromatography (HPLC). Data were entered and analyzed using MS Excel and visualized with R. Results On testing different formulations of Albendazole drugs of seven different veterinary drug manufacturing companies in the Nepalese market, we found the drugs were consistent in terms of weight, disintegration time, and assay. However, most drugs had poor hardness and friability quality. Conclusion Thus, it is necessary to routinely check the quality of veterinary drugs to ensure that they are manufactured and supplied to the market as per the recommended standards.
Full text 16,522 characters · extracted from preprint-html · click to expand
Quality analysis of Albendazole drugs available in veterinary pharmacies of Nepal | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Quality analysis of Albendazole drugs available in veterinary pharmacies of Nepal Sujeeta Pokharel Dhakal, Binita Acharya, Sujan Rana, Shashidhar Sedhai, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4843871/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 14 Oct, 2025 Read the published version in BMC Pharmacology and Toxicology → Version 1 posted 13 You are reading this latest preprint version Abstract Background Ecto- and endoparasites cause significant economic losses to the livestock industry, primarily due to helminth parasites. The heavy reliance on anthelmintics to control parasites, coupled with inadequate drug quality in terms of physical and content parameters, often leads to excessive and irrational use of anthelmintics. This poses a public health hazard due to the potential development of anthelmintic resistance. The dosage prescribed depends on the active ingredients present in the drug. Thus, an anthelmintic drug must contain the labeled amount of active pharmaceutical ingredients and comply with the standard quality tests. Veterinary Standards and Drug Regulatory Laboratory (VSDRL) is the national regulatory laboratory of Nepal for veterinary products, mandated to test the quality of various veterinary drugs. Amidst growing concerns of anthelmintic resistance and constant rumors of ineffectiveness of anthelmintics in the Nepalese market, it is vital to analyze the efficacy of veterinary drugs in Nepal. This study aims to analyze the quality (physical and content analysis) of Albendazole, the most common anthelmintic available in the local market. Methods We conducted the study from July 2021 to July 2023 at VSDRL in Kathmandu. A total of 118 samples of Albendazole drug (suspension of 25 mg/ml, tablets of 200 mg and 300 mg, and boluses of 600 mg and 1500 mg) were collected from seven different pharmaceuticals across 20 districts of Nepal. The samples were tested for their physical conformity and assay according to the laboratory protocols of VSDRL. Physical analysis included weight variation, hardness, friability, and disintegration, whereas the content analysis was performed using UV spectrophotometry and High-performance liquid chromatography (HPLC). Data were entered and analyzed using MS Excel and visualized with R. Results On testing different formulations of Albendazole drugs of seven different veterinary drug manufacturing companies in the Nepalese market, we found the drugs were consistent in terms of weight, disintegration time, and assay. However, most drugs had poor hardness and friability quality. Conclusion Thus, it is necessary to routinely check the quality of veterinary drugs to ensure that they are manufactured and supplied to the market as per the recommended standards. Albendazole physical and content analysis drug quality VSDRL Nepal Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 14 Oct, 2025 Read the published version in BMC Pharmacology and Toxicology → Version 1 posted Editorial decision: Revision requested 26 Sep, 2024 Reviews received at journal 26 Aug, 2024 Reviewers agreed at journal 26 Aug, 2024 Reviews received at journal 12 Aug, 2024 Reviewers agreed at journal 11 Aug, 2024 Reviewers agreed at journal 11 Aug, 2024 Reviewers agreed at journal 10 Aug, 2024 Reviewers agreed at journal 09 Aug, 2024 Reviewers invited by journal 09 Aug, 2024 Editor invited by journal 05 Aug, 2024 Editor assigned by journal 02 Aug, 2024 Submission checks completed at journal 02 Aug, 2024 First submitted to journal 01 Aug, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4843871","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":345216088,"identity":"ea22b6e4-f7ec-4362-808f-3c655bc9bd47","order_by":0,"name":"Sujeeta Pokharel Dhakal","email":"data:image/png;base64,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","orcid":"","institution":"Veterinary Standards and Drug Regulatory Laboratory","correspondingAuthor":true,"prefix":"","firstName":"Sujeeta","middleName":"Pokharel","lastName":"Dhakal","suffix":""},{"id":345216089,"identity":"71afd0d3-8179-4493-8ba6-85dff16a6442","order_by":1,"name":"Binita Acharya","email":"","orcid":"","institution":"Veterinary Standards and Drug Regulatory Laboratory","correspondingAuthor":false,"prefix":"","firstName":"Binita","middleName":"","lastName":"Acharya","suffix":""},{"id":345216090,"identity":"05baf736-e133-47f6-88b4-ab9737cf6987","order_by":2,"name":"Sujan Rana","email":"","orcid":"","institution":"Veterinary Standards and Drug Regulatory Laboratory","correspondingAuthor":false,"prefix":"","firstName":"Sujan","middleName":"","lastName":"Rana","suffix":""},{"id":345216091,"identity":"e051478d-a5b4-4d7a-94f7-2da04fbfd7a6","order_by":3,"name":"Shashidhar Sedhai","email":"","orcid":"","institution":"Veterinary Standards and Drug Regulatory Laboratory","correspondingAuthor":false,"prefix":"","firstName":"Shashidhar","middleName":"","lastName":"Sedhai","suffix":""},{"id":345216092,"identity":"ee11ba8d-1bf3-4862-806d-ab993fee1bae","order_by":4,"name":"Salina Manandhar","email":"","orcid":"","institution":"Veterinary Standards and Drug Regulatory Laboratory","correspondingAuthor":false,"prefix":"","firstName":"Salina","middleName":"","lastName":"Manandhar","suffix":""}],"badges":[],"createdAt":"2024-08-01 17:32:23","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4843871/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4843871/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1186/s40360-025-01006-x","type":"published","date":"2025-10-14T15:57:56+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":93957141,"identity":"a3c0e04a-9ce5-4218-a2c5-f39275eabda1","added_by":"auto","created_at":"2025-10-20 16:13:02","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":488050,"visible":true,"origin":"","legend":"","description":"","filename":"QualityanalysisofAlbendazoledrugsavailableinveterinarypharmaciesofNepal.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4843871/v1_covered_103728ca-0c48-41de-9afc-cb9e061edb88.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Quality analysis of Albendazole drugs available in veterinary pharmacies of Nepal","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"bmc-pharmacology-and-toxicology","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"phat","sideBox":"Learn more about [BMC Pharmacology and Toxicology](http://bmcpharmacoltoxicol.biomedcentral.com)","snPcode":"","submissionUrl":"https://www.editorialmanager.com/phat/Default.aspx","title":"BMC Pharmacology and Toxicology","twitterHandle":"@BMC_series","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"em","reportingPortfolio":"BMC Series","inReviewEnabled":true,"inReviewRevisionsEnabled":true},"keywords":"Albendazole, physical and content analysis, drug quality, VSDRL, Nepal","lastPublishedDoi":"10.21203/rs.3.rs-4843871/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4843871/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003ch2\u003eBackground\u003c/h2\u003e \u003cp\u003eEcto- and endoparasites cause significant economic losses to the livestock industry, primarily due to helminth parasites. The heavy reliance on anthelmintics to control parasites, coupled with inadequate drug quality in terms of physical and content parameters, often leads to excessive and irrational use of anthelmintics. This poses a public health hazard due to the potential development of anthelmintic resistance. The dosage prescribed depends on the active ingredients present in the drug. Thus, an anthelmintic drug must contain the labeled amount of active pharmaceutical ingredients and comply with the standard quality tests. Veterinary Standards and Drug Regulatory Laboratory (VSDRL) is the national regulatory laboratory of Nepal for veterinary products, mandated to test the quality of various veterinary drugs. Amidst growing concerns of anthelmintic resistance and constant rumors of ineffectiveness of anthelmintics in the Nepalese market, it is vital to analyze the efficacy of veterinary drugs in Nepal. This study aims to analyze the quality (physical and content analysis) of Albendazole, the most common anthelmintic available in the local market.\u003c/p\u003e\u003ch2\u003eMethods\u003c/h2\u003e \u003cp\u003eWe conducted the study from July 2021 to July 2023 at VSDRL in Kathmandu. A total of 118 samples of Albendazole drug (suspension of 25 mg/ml, tablets of 200 mg and 300 mg, and boluses of 600 mg and 1500 mg) were collected from seven different pharmaceuticals across 20 districts of Nepal. The samples were tested for their physical conformity and assay according to the laboratory protocols of VSDRL. Physical analysis included weight variation, hardness, friability, and disintegration, whereas the content analysis was performed using UV spectrophotometry and High-performance liquid chromatography (HPLC). Data were entered and analyzed using MS Excel and visualized with R.\u003c/p\u003e\u003ch2\u003eResults\u003c/h2\u003e \u003cp\u003eOn testing different formulations of Albendazole drugs of seven different veterinary drug manufacturing companies in the Nepalese market, we found the drugs were consistent in terms of weight, disintegration time, and assay. However, most drugs had poor hardness and friability quality.\u003c/p\u003e\u003ch2\u003eConclusion\u003c/h2\u003e \u003cp\u003eThus, it is necessary to routinely check the quality of veterinary drugs to ensure that they are manufactured and supplied to the market as per the recommended standards.\u003c/p\u003e","manuscriptTitle":"Quality analysis of Albendazole drugs available in veterinary pharmacies of Nepal","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-08-29 20:18:52","doi":"10.21203/rs.3.rs-4843871/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2024-09-26T09:47:00+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-08-26T12:33:48+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"206402424384623326859676274870958081630","date":"2024-08-26T10:24:21+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-08-12T10:02:07+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"142731702641549127944097079451679220372","date":"2024-08-11T18:35:07+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"93930365218520723790780076046073269933","date":"2024-08-11T16:20:17+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"59283244501525053272969936228792693402","date":"2024-08-10T10:50:51+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"229424211462361027044038621634384356740","date":"2024-08-09T14:15:54+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-08-09T13:23:29+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2024-08-05T13:58:31+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-08-02T13:11:18+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-08-02T13:11:07+00:00","index":"","fulltext":""},{"type":"submitted","content":"BMC Pharmacology and Toxicology","date":"2024-08-01T17:23:29+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"bmc-pharmacology-and-toxicology","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"phat","sideBox":"Learn more about [BMC Pharmacology and Toxicology](http://bmcpharmacoltoxicol.biomedcentral.com)","snPcode":"","submissionUrl":"https://www.editorialmanager.com/phat/Default.aspx","title":"BMC Pharmacology and Toxicology","twitterHandle":"@BMC_series","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"em","reportingPortfolio":"BMC Series","inReviewEnabled":true,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"18da0fef-11b7-440e-abd4-db9966b63122","owner":[],"postedDate":"August 29th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[],"tags":[],"updatedAt":"2025-10-20T16:12:20+00:00","versionOfRecord":{"articleIdentity":"rs-4843871","link":"https://doi.org/10.1186/s40360-025-01006-x","journal":{"identity":"bmc-pharmacology-and-toxicology","isVorOnly":false,"title":"BMC Pharmacology and Toxicology"},"publishedOn":"2025-10-14 15:57:56","publishedOnDateReadable":"October 14th, 2025"},"versionCreatedAt":"2024-08-29 20:18:52","video":"","vorDoi":"10.1186/s40360-025-01006-x","vorDoiUrl":"https://doi.org/10.1186/s40360-025-01006-x","workflowStages":[]},"version":"v1","identity":"rs-4843871","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4843871","identity":"rs-4843871","version":["v1"]},"buildId":"J0_U0BvcaRcwD8yVFaRlm","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}

Text is read by the "Ask this paper" AI Q&A widget below. Extraction quality varies by source — PMC NXML preserves structure cleanly, OA-HTML may include some navigation residue, and OA-PDF can have broken hyphenation. The publisher copy (via DOI) is the canonical version.

My notes (saved in your browser only)

Ask this paper AI returns verbatim quotes from the full text · source: preprint-html

Answers must be backed by verbatim quotes from this paper's full text. Hallucinated quotes are dropped automatically; if no verbatim passage answers the question, we say so. How this works

Citation neighborhood (no data yet)

We don't have any in-corpus citations linked to this paper yet. This is a recent paper (2024) — citers typically take a year or two to land, and the OpenAlex reference graph may still be filling in.

Source provenance

europepmc
last seen: 2026-05-20T01:45:00.602351+00:00
unpaywall
last seen: 2026-05-29T02:00:03.542394+00:00
License: CC-BY-4.0