Related Experiment Video
Updated: Sep 13, 2025
10:39
3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
18.3K
Patient Preferences for Self-Injectable Preventive Treatment for Migraine: A Multi-country Discrete Choice Experiment
Jaein Seo1, Caitlin Thomas2, Tommi Tervonen2
1PPD Evidera Patient-Centered Research, Thermo Fisher Scientific, Waltham, MA, USA. jaein.seo@thermofisher.com.
Neurology and Therapy
|August 2, 2025
Summary
Migraine patients preferred self-injectable calcitonin gene-related peptide monoclonal antibody (CGRP mAb) autoinjectors over oral medications. Key preferences included shorter injection duration and auto-retractable needle removal for CGRP mAb devices.
Area of Science:
- Neurology
- Pharmacology
- Patient-Reported Outcomes
Background:
- Current migraine prevention options include self-injectable calcitonin gene-related peptide monoclonal antibodies (CGRP mAbs) and oral CGRP antagonists.
- Understanding patient preferences for specific delivery devices is crucial for optimizing treatment adherence and efficacy.
Purpose of the Study:
- To elicit patient preferences for self-injectable CGRP mAb autoinjectors versus non-CGRP oral medication for migraine prevention.
- To determine the relative importance of various autoinjector attributes in patient treatment choices.
Main Methods:
- A discrete choice experiment (DCE) was conducted online with 1067 adults in the USA, UK, and Germany experiencing episodic or chronic migraine.
- Participants evaluated hypothetical treatment options including two CGRP mAb autoinjectors and one non-CGRP oral medication, described by seven attributes.
- Error-component logit models were used to analyze DCE data, yielding relative attribute importance (RAI) and predicted choice probabilities (PCP).
Main Results:
- Autoinjectors were preferred over non-CGRP oral medication in 86.3% of choices.
- The most critical autoinjector attributes were injection duration (RAI 37.0%), auto-retractable needle removal (RAI 30.8%), room temperature storage (RAI 15.2%), and no pinching (RAI 12.5%).
- Autoinjector profiles similar to galcanezumab showed higher likelihood of selection compared to erenumab or fremanezumab.
Conclusions:
- Migraine patients demonstrate a strong preference for self-injectable CGRP mAb autoinjectors over oral preventive medications.
- Treatment choice is significantly influenced by autoinjector design features, particularly injection duration, needle retraction mechanism, storage convenience, and ease of use (no pinching).
Related Concept Videos
01:29Drug Delivery: Parenteral Route
834
The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
834
01:22Drug Delivery: Miscellaneous Routes
468
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...
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...
468
01:18Additional Routes of Drug Administration
3.1K
Choosing the appropriate route of drug administration is significantly influenced by two key factors: the therapeutic objectives and the inherent properties of the drug being used.
Administering drugs via inhalation allows for the direct delivery of gaseous, volatile substances or droplets to different parts of the respiratory tract. One of the advantages of the inhalation route is the rapid absorption of drugs into the circulatory system, which is possible because of the large surface area of...
Administering drugs via inhalation allows for the direct delivery of gaseous, volatile substances or droplets to different parts of the respiratory tract. One of the advantages of the inhalation route is the rapid absorption of drugs into the circulatory system, which is possible because of the large surface area of...
3.1K
01:25Routes of Drug Administration: Parenteral
2.1K
The administration of drugs via parenteral routes allows for direct drug introduction into the systemic circulation, resulting in high bioavailability because the medication bypasses the harsh conditions of the gastrointestinal tract and hepatic metabolism.
The intravenous route (IV) of drug administration can be further categorized into two types. The bolus injection administers the entire dose rapidly, while an intravenous infusion slowly delivers smaller doses steadily.
The IV route is often...
The intravenous route (IV) of drug administration can be further categorized into two types. The bolus injection administers the entire dose rapidly, while an intravenous infusion slowly delivers smaller doses steadily.
The IV route is often...
2.1K
01:27Insulin Formulations: Types and Delivery
272
Insulin preparations are categorized by their duration of action into short-acting and long-acting types. Two strategies are used to modify insulin's absorption and pharmacokinetic profile: slowing the absorption post-subcutaneous injection, or altering human insulin's amino acid sequence or protein structure. These changes retain the insulin's ability to bind to the insulin receptor, but alter its behavior in solution or after injection.
Short-acting insulins are divided into...
Short-acting insulins are divided into...
272
01:18Drug Delivery: Enteral Route
719
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.
719