Video Experimental Relacionado
Updated: Jan 8, 2026
10:02
Use of Rabbit Eyes in Pharmacokinetic Studies of Intraocular Drugs
Published on: July 23, 2016
33.2K
Perspectivas de los pacientes sobre el manejo de gotas oftálmicas monodosis frente a multidosis: Un estudio cruzado
José António Dias1, João Filipe Silva2, Nuno Lopes3
1Department of Ophthalmology, Joaquim Chaves Saúde, Lisbon, Portugal.
Clinical ophthalmology (Auckland, N.Z.)
|December 15, 2025
Resumen
Los envases multidosis de gotas oftálmicas ofrecen una usabilidad y conveniencia superiores a las opciones monodosis. Los pacientes prefirieron los envases multidosis por su manejo y aplicación más fáciles, lo que indica una mejor experiencia general del paciente con este formato.
Área de la Ciencia:
- Oftalmología
- Atención al Paciente
- Envasado Farmacéutico
Sus antecedentes:
- Existen datos limitados sobre la usabilidad comparativa de los envases de gotas oftálmicas monodosis frente a multidosis.
- Los resultados informados por los pacientes son cruciales para evaluar los sistemas de administración de medicamentos oftálmicos.
Objetivo del estudio:
- Evaluar y comparar la usabilidad, la conveniencia y las preferencias de los pacientes para los envases de gotas oftálmicas monodosis y multidosis.
- Identificar qué formato de envase de gotas oftálmicas ofrece una mejor experiencia al paciente.
Principales métodos:
- Se realizó un estudio prospectivo, abierto, multicéntrico y cruzado con 114 participantes de 50 años o más.
- Los participantes utilizaron secuencialmente envases de gotas oftálmicas multidosis y monodosis.
- La usabilidad, la conveniencia y las preferencias de los pacientes se evaluaron mediante un cuestionario novedoso.
Principales resultados:
- Los participantes encontraron que los envases multidosis eran más fáciles de abrir y usar para la aplicación de gotas oftálmicas en comparación con los envases monodosis.
- Los envases multidosis mostraron menos medicación residual al desecharse y presentaban etiquetas más legibles.
- En general, el manejo y la aplicación se calificaron como mejores para los envases multidosis.
Conclusiones:
- Los envases multidosis de gotas oftálmicas se asocian con un mejor manejo y usabilidad en comparación con las alternativas monodosis.
- Los hallazgos sugieren que los envases multidosis pueden mejorar la adherencia y la satisfacción del paciente en los tratamientos oftálmicos.
Videos de Conceptos Relacionados
01:11Bioavailability Study Design: Single Versus Multiple Dose Studies
179
Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
179
01:15Bioavailability Study Design: Healthy Subjects Versus Patients
133
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
133
02:07Blind Procedures
12.8K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
12.8K
01:16Crossover Experiments
4.5K
Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
4.5K
01:15Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs
162
Body:Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
162
01:21Drug Accumulation During Multiple Dosing: Repetitive IV Injections
229
Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
229