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1.
Curr Drug Deliv ; 20(8): 1163-1175, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37183384

RESUMEN

PURPOSE: The goal of the present research was to isolate a biopolymer from Phaseolus vulgaris (P. vulgaris) and Zea mays (Z. mays) plants and used it to construct Resveratrol (RES)-loaded translabial films. METHODS: Biopolymers were extracted from P. vulgaris and Z. mays seeds using a simple process. Separated biopolymers, sodium carboxymethylcellulose (SCMC) and tragacanth were subjected to formulation development by incorporating RES-loaded translabial films. The Fourier-transform infrared spectroscopy (FTIR), physical appearance, weight, thickness, folding endurance, swelling index, surface pH, percent moisture absorption, percent moisture loss, vapor transfer rate, and content uniformity of the translabial films were examined. The mucoadhesive, ex-vivo permeation, in vivo and stability studies, were performed. RESULTS: The results showed that RES-loaded translabial films produced from P. vulgaris and Z. mays biopolymers exhibited exceptional mucoadhesive, stability, and permeation properties. Results revealed that the best formulations were prepared from a combination of biopolymer (P. vulgaris C or Z. mays C) with tragacanth. Formulations with tragacanth revealed good swelling and thus permeation profiles. In vivo release of TL 11 was found to be 24.05 ng/ml in 10 hours and it was stable enough at 45°C. CONCLUSION: This research suggested that RES-loaded translabial formulations can be potentially used for the treatment of Parkinson's disease with good patient compliance to geriatric and unconscious patients.


Asunto(s)
Enfermedad de Parkinson , Tragacanto , Humanos , Anciano , Preparaciones Farmacéuticas , Enfermedad de Parkinson/tratamiento farmacológico , Sistemas de Liberación de Medicamentos , Excipientes/química
2.
Drug Res (Stuttg) ; 72(1): 5-17, 2022 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-34412126

RESUMEN

Resveratrol (RSV), the most effective stilbene phytoalexin synthesized naturally or induced in plants as part of their defense mechanism, is a key component of natural phenolic compounds and is being considered as a treatment option for a variety of diseases. RSV was discovered in the skin of red grapes, mulberries, peanuts, pines, and Polygonum cuspidatum weed root extracts. It was first extracted from white hellebore (Veratrum grandiflorum O. Loes) roots in 1940, then from Polygonum cuspidatum roots in 1963. However, RSV's use as a drug is limited due to its initial conformational strength and poor stability. The research focused on a set of RSV biological activity data. RSV has been the subject of growing concern, despite its wide range of biological and therapeutic applications. According to the literature, RSV has antioxidant, anti-cancer, cardioprotective, neuroprotective, anti- inflammatory, anti-microbial, immunomodulatory, and radioprotective properties. The current analysis summarized biological applications of RSV, their mechanisms of action, and recent scientific development in the area of their delivery. It is possible to infer that RSV has many effects on infected cells' cellular functions.


Asunto(s)
Neoplasias , Estilbenos , Antioxidantes/farmacología , Antioxidantes/uso terapéutico , Humanos , Resveratrol/farmacología , Estilbenos/farmacología , Estilbenos/uso terapéutico
3.
Artículo en Inglés | MEDLINE | ID: mdl-26191411

RESUMEN

UNLABELLED: Drugs that inhibit the sodium-glucose co-transporter-2 (SGLT2) are an exciting novel, insulin-independent treatment for diabetes that block glucose reabsorption from the proximal tubules of the kidney, leading to increased glucose excretion and lower blood glucose levels. Inhibition of SGLT2 activity also reduces sodium reabsorption, which together with glycosuria produces a mild diuretic effect with the potential for dehydration and hyperkalemia. We report on a 60-year-old man with uncontrolled type 2 diabetes treated with insulin, glimepiride, metformin and canagliflozin, who was admitted with altered mental status after a syncopal episode. He had a 1-week history of ingestion of Tums for heartburn followed by poor appetite and lethargy. Laboratory work-up showed acute kidney injury, diabetic ketoacidosis (DKA), and parathyroid hormone-independent severe hypercalcemia of 17.4 mg/dl. DKA resolved with insulin treatment, and saline hydration led to improvement in hypercalcemia and renal function over 48 h, but was accompanied by a rapid increase in the serum sodium concentration from 129 to 162 mmol/l despite changing fluids to 0.45% saline. Urine studies were consistent with osmotic diuresis. Hypernatremia was slowly corrected with hypotonic fluids, with improvement in his mental status over the next 2 days. This is the first report of hypercalcemia associated with the use of a SLGT2 inhibitor. Although the exact mechanism is unknown, canagliflozin may predispose to hypercalcemia in patients ingesting excessive calcium because of dehydration from osmotic diuresis, with reduced calcium excretion and possible increased intestinal calcium absorption. Saline therapy and osmotic diuresis may lead to hypernatremia from electrolyte-free water loss. LEARNING POINTS: Canagliflozin, an SGLT2 inhibitor, may cause hypercalcemia in susceptible patients.Although the exact mechanisms are unknown, dehydration from osmotic diuresis and increased intestinal calcium absorption play a role.Close monitoring of serum calcium levels is recommended in patients treated with SGLT2 inhibitors who are elderly, have established hypercalcemia, or take oral calcium supplements.Saline therapy and osmotic diuresis may lead to hypernatremia from electrolyte-free water loss in susceptible patients.

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