excipients

Abstract Drug delivery systems which rely on diffusion for mass transport, such as hydrogels and nanoparticles, have enhanced drug targeting and extended delivery profiles to improve health outcomes for patients suffering from diseases including cancer and diabetes. However, diffusion-dependent…
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All new European Pharmacopoeia (Ph. Eur.) texts that have undergone technical revisions are published in Pharmeuropa for public consultation. The deadline for comments on Pharmeuropa 36.1 is 31 March 2024. Users and interested parties are welcome to comment on these drafts. It should be noted…
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For proportionally formulated intermediate strengths of a topical product, the relationship of drug release across multiple strengths of a given product is not always well understood. The current study aims to assess the proportionality of tretinoin release rates across multiple strengths of…
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Metformin hydrochloride (MH) is prescribed for treating diabetes mellitus. The most popular dosage form, viz., tablets has a bulky nature as MH dose ranges up to 1000 mg leading to large size. In geriatric or dysphagic patients, due to altered physiology, swallowing such bulky formulation is…
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Minitablets are prepared using multiple die openings and multi–tip punches for greater productivity. With multiple tips on the punch barrel, the overall compaction force to be applied is commonly estimated by multiplying the desired compaction force per tip by the number of punch tips. Few…
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The continued popularity into the 21st century of extended release matrices based on hydroxypropyl methylcellulose (HPMC) can be attributed to (i) the effectiveness of hydrophilic matrix technology, (ii) the high acceptability of the polymer, (iii) the ease of dosage form manufacture and (iv) a…
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Traditional approaches to solid rectal therapies have halted progress, leading to a continual decline in the use of conventional suppositories. Additive manufacturing techniques have been recently explored as a suitable innovative tool for suppository fabrication. However, little advancement has…
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This study outlines a practical approach for assessing chemical instability by heating the drug-excipient binary mixtures or multi-excipient formulations at 75°C for 3 days before characterization. Differentiating itself from other excipient compatibility methods, our methodology necessitates a…
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Vemurafenib (VMF) is a practically insoluble (< 0.1 μg/mL) and least bioavailable (1%) drug. To enhance its oral bioavailability and solubility, we formulated a reliable self-nano emulsifying drug delivery system (SNEDDS). A Quality by Design (QbD) approach was used to optimize the ratio of…
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Successful oral delivery of liposomes requires formulations designed to withstand harsh gastrointestinal conditions, e.g., by converting to solid-state followed by loading into gastro-resistant delivery devices. The hypothesis was that the use of dextran-trehalose mixtures for spray drying would…
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