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Related Concept Videos

Transdermal Drug Delivery Systems01:18

Transdermal Drug Delivery Systems

Transdermal drug delivery systems (TDDS) enable the controlled release of drugs across the skin into systemic circulation. They are particularly advantageous for drugs with short half-lives or narrow therapeutic indices, as they maintain consistent plasma concentrations and reduce the risk of subtherapeutic or toxic levels.TDDS are categorized into monolithic, reservoir, and mixed systems. Monolithic systems embed the drug in a polymer matrix, where diffusion governs release. Reservoir systems...
Oral Drug Delivery Systems: Continuous-Release Systems01:26

Oral Drug Delivery Systems: Continuous-Release Systems

Continuous-release drug delivery systems offer a strategic approach to maintaining therapeutic drug levels over extended periods following oral administration. By modulating the release rate of active pharmaceutical ingredients, these systems minimize fluctuations in plasma concentrations, which enhances clinical efficacy and reduces the need for frequent dosing. Such characteristics make them particularly advantageous in managing chronic diseases where patient adherence and stable drug...
Oral Drug Delivery Systems: Delayed-Release Systems01:11

Oral Drug Delivery Systems: Delayed-Release Systems

Delayed-release drug delivery systems are specialized pharmaceutical formulations designed to postpone the release of active compounds until the drug reaches a specific region of the gastrointestinal (GI) tract, typically the intestine. These systems are essential for drugs that may cause gastric irritation, are unstable in acidic environments, or need to exert therapeutic effects locally in the intestinal or colonic regions.The core feature of delayed-release systems is the use of enteric...
Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
Drug Delivery: Enteral Route01:18

Drug Delivery: Enteral Route

The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
Drugs in...
Drug Delivery: Miscellaneous Routes01:22

Drug Delivery: Miscellaneous Routes

Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs through the...

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Related Experiment Video

Updated: Jul 18, 2026

Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain
09:35

Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain

Published on: May 10, 2017

Rotigotine transdermal system for perioperative administration.

A D Korczyn1, H Reichmann, B Boroojerdi

  • 1Tel-Aviv University Medical School, Ramat-Aviv, Israel. neuro13@post.tau.ac.il

Journal of Neural Transmission (Vienna, Austria : 1996)
|December 21, 2006
PubMed
Summary

Perioperative administration of rotigotine, a transdermal system, was feasible and effective in patients undergoing surgery. No safety concerns were observed during this clinical trial observation period.

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Area of Science:

  • Clinical pharmacology
  • Neurology
  • Anesthesiology

Background:

  • Rotigotine is a transdermal system used in clinical trials.
  • Patients in clinical trials may require surgery under general anesthesia.
  • The perioperative safety and efficacy of rotigotine are not well-established.

Purpose of the Study:

  • To assess the feasibility and efficacy of perioperative rotigotine administration.
  • To identify any safety issues associated with perioperative rotigotine use in surgical patients.

Main Methods:

  • Observational study of patients in rotigotine clinical trials.
  • Patients underwent surgery with general anesthesia unrelated to the trial.
  • Rotigotine administration was managed during the perioperative period.

Main Results:

  • Perioperative administration of rotigotine was found to be feasible.
  • Rotigotine demonstrated efficacy in the perioperative setting.
  • No safety issues were identified during the observation period.

Conclusions:

  • Perioperative rotigotine transdermal system administration is a viable option for patients undergoing surgery.
  • Rotigotine can be safely used during the perioperative period without apparent adverse events.