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Letteratura scientifica selezionata sul tema "Compatibilité physico-chimique de médicaments"
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Articoli di riviste sul tema "Compatibilité physico-chimique de médicaments"
Duret, I., F. Giannelli, N. Vieux, S. Gallet, A. Mounayar, P. Bedouch, C. Chapuis, Q. Perrier e P. Pavese. "Étude de compatibilité physico-chimique entre les antibiotiques injectables les plus couramment administrés simultanément". Médecine et Maladies Infectieuses Formation 2, n. 2 (maggio 2023): S179—S180. http://dx.doi.org/10.1016/j.mmifmc.2023.03.095.
Testo completoYaye, Hassane Sadou, Édouard Burtet, Claire Hamel, Rania Aljhni, Claudine Gard e Patrick Tilleul. "Étude de la compatibilité physico-chimique du phloroglucinol injectable durant les mélanges au sein des tubulures en Y". Le Pharmacien Hospitalier et Clinicien 49, n. 4 (dicembre 2014): 307. http://dx.doi.org/10.1016/j.phclin.2014.10.010.
Testo completoTesi sul tema "Compatibilité physico-chimique de médicaments"
Roche, Marine. "Développement de méthodes analytiques pour l'étude de la stabilité et de la compatibilité de médicaments sous forme de solution ou de systèmes dispersés. Application en anesthésie-réanimation". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS021.
Testo completoThe research subject of this PhD focused on the development of analytical methods to assess the stability or incompatibilities of injectable anaesthetic drugs in solution or in dispersed systems.The first part of this work involved a study of the stability of cisatracurium besylate ampoules produced by the pharmacy of Lille University Hospital to ensure continuity of care for intensive care patients in the context of supply disruptions caused by the COVID-19 pandemic. The stability study was conducted on a batch of 4,000 ampoules stored at 2-8°C for 18 months. This study required the validation of a stability-indicating HPLC-UV method for the determination of cisatracurium and laudanosine, one of its degradation products described as a marker of its instability. In addition, the use of an HPLC-mass spectrometry method enabled the identification of degradation products and the study of degradation pathways. Our results showed that cisatracurium solutions at 10mg/mL were stable for 15 months under our preparation and storage conditions. The main degradation pathway observed under our study conditions (ester hydrolysis) differed from that previously described (Hofmann pathway). This highlights the imponderability of conducting stability studies under conditions representative of the actual use of drugs. The second part of this thesis led us to study the incompatibility between different drugs used in anaesthesia and intensive care units. The models studied were the simultaneous administration of propofol and alpha-2 adrenergic receptor agonists (α2A; clonidine or dexmedetomidine) used in multimodal analgesia. The data available in the literature refers to concentrations and ratios that are not representative of those encountered in hospital wards, potentially exposing patients to drug hazards. We assessed the compatibility of propofol-α2A combinations under conditions mimicking those encountered in critical care units. Eight conditions per combination were evaluated over 96 hours, in triplicate, varying the simulated mass flow rates for each drug and for patient weights of 45 and 150 kg. To assess the chemical compatibility of these combinations, we developed and validated 3 stability-indicating HPLC-UV assay methods to study the stability of propofol, clonidine and dexmedetomidine in combination for 96 hours. The physical compatibility of the emulsion in combination was assessed using a granulometer coupled to a zeta potential measurement (with positive and negative controls). Our results demonstrated the physico-chemical stability of propofol-α2A mixtures representative of those used in current practice.In conclusion, the results of this work have provided scientific validation of hospital pharmacy and care service practices. They also highlighted the fundamental role of pharmacists in guaranteeing the quality of patient drug management, by using their skills in analytical chemistry to assess compatibility and stability data
Deshayes, Sébastien. "Caractérisation physico-chimique de peptides pour la vectorisation d'agents thérapeutiques". Montpellier 2, 2005. http://www.theses.fr/2005MON20005.
Testo completoBenhalima, Nacéra. "Enrobages gastro-résistants : interaction principe actif-agent filmogène : étude galénique et physico-chimique". Montpellier 1, 1988. http://www.theses.fr/1988MON13505.
Testo completoAmmoury, Nazih. "Étude physico-chimique et biologique de vecteurs colloi͏̈daux vésiculaires d'indométacine, acide polylactique". Paris 11, 1990. http://www.theses.fr/1990PA114836.
Testo completoBehar, Nicole. "Étude physico-chimique de la libération de médicaments inclus dans des cyclodextrines associées à des polymères". Paris 12, 1989. http://www.theses.fr/1989PA120007.
Testo completoGautier, Sandrine. "Hydrophobisation du vecteur poly(L-lysine citramide) : comportement physico-chimique et aptitude à solubiliser des molécules lipophiles dans l'eau". Montpellier 1, 1995. http://www.theses.fr/1995MON13503.
Testo completoChaloin, Laurent. "Synthèse et caractérisation physico-chimique de peptides pour la vectorisation d'agents thérapeutiques". Montpellier 1, 1998. http://www.theses.fr/1998MON1T005.
Testo completoSaint-Lorant, Guillaume. "Formulation, caractérisation physico-chimique et évaluation biologique de nanovecteurs lipidiques d'une tripentone en vue du traitement de tumeurs ovariennes". Caen, 2009. http://www.theses.fr/2009CAEN4003.
Testo completoThe aims of this project are to allow the powerful anti-cancerous activity of a new cytotoxic agent belonging to the tripentone family to act in vivo on chemoresistant ovarian cancers thanks to drug delivery systems in the nanometer range which allows the bypassing of the relative insolubility of the molecule in a physiological medium which hinders its biodistribution. This work permits the formulation, thanks to a simple process which uses only biocompatible excipients without organic solvents, of a new generation of lipidic nanoparticles. Their characterization shows in particular that they are able to encapsulate the active substance with a high loading rate. The cytotoxic activity of the tripentone observed on the chemoresistant ovarian tumoral cells SKOV3 is conserved after encapsulation in vitro. Toxicological studies conducted on immunocompetent mice showed the absence of toxic effect of free tripentone, the non-toxicity of the carrier and the modification of the biodistribution of the encapsulated tripentone objectivized by the observation of the toxicity of the encapsulated tripentone at a dosage of 100 mg/kg. Since the encapsulated tripentone generates no toxicity at the dosage of 50 mg/kg, this dosage was retained for studies of the evaluation of antitumoral activity in vivo, on two models of ovarian tumors (subcutaneous tumors and peritoneal carcinosis) established in nude mice by xenograft of SKOV3 cells. Results obtained show the probable necessity of increasing the quantity of available tripentone to match the tumor, notably by the development of a system of active targeting
Rakotomanga, Patricia Iharilanto Andrianjafy. "Approches galénique et réglementaire appliquées à l'étude physico-chimique, pharmaco-technique et pharmacologique d'antihypertenseurs échantillonnés à Madacascar". Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0010.
Testo completoLike many countries in the world, Madagascar has returned in its health policy, the use of generic drugs, because of their lower cost, to facilitate access to health care of the population. The promotion of generic drugs needs to ensure their quality compared to reference drugs. A study was conducted to contribute to the improvement of practices and drug regulatory system in Madagascar . For this, the pharmaceutical environment and the registration of generic drugs in this country with those of other countries are presented. Then quality control tests were performed on twenty two antihypertensive drugs including four referent specialties and eighteen specialties considered as their generic, sampled in Madagascar . The choice of this therapeutic family was governed by the constant increase in the number of patients suffering from hypertension, associated with the difficulty of treatment. For the eighteen specialties considered as generics, non-compliances with standards were recorded at the end of the physicochemical and pharmacotechnical tests and pharmacological studies. Only one specialty was shown to present similar characteristics, including dissolution kinetics and pharmacological results, as the reference. Recommendations involving all stakeholders of the pharmaceutical field have been brought from the study
Abbas, Djamila. "Synthèse, étude physico-chimique et préformulation d'un dérivé pyrido[3,2g]quinoléine triméthyle". Electronic Thesis or Diss., Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX22962.
Testo completoMulti-drug resistance represent a major problem for chemotherapy unsuccessful in oncology, parasitoly and bacteriology. The new molecules which reverse this phenomenon were discovered.The pyrido[3,2-g]quinolines family which are substituted by various alkylamine side chains and various substituents on the heterocyclic moiety was prepared and the in vitro activity against the multi-drug resistance was showed.With the aim to show the processes of the new biological compound from his synthesis to the galenic form, the 4,6-Bis[2’(diéthylamino)éthoxy]2,8,10-triméthylpyrido[3,2-g]quinoline (BG 637) was chosen. To characterize BG 637, techniques such as Differentiel Scanning Calorimetry (DSC), Fourier Transform Infrared spectrometry (FT-IR), Ultra Violet spectrometry (UV), Mass spectrometry (GC/MS) coupled with Gas Chromatography, Nuclear Magnetic Resonance (NMR) and X-Ray Powder Diffraction (XRPD) were used. Several of them were also used to show the stability of the drug during various storage conditions.DSC supported by FT-IR and UV were used as the screening techniques for assessing the compatibility of BG 637 with several commonly used pharmaceutical excipients. These results showed that BG 637 is a very stable compound and compatible with several pharmaceutical excipients. Finally, the appropriate formulation for direct compression was determined