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Cephalalgia. 2019 Feb 28:333102419835465. doi: 10.1177/0333102419835465. [Epub ahead of print]

Long-term treatment patterns of prophylactic and acute migraine medications and incidence of opioid-related adverse events in patients with migraine.

Author information

1
1 IBM Watson Health, Cambridge, MA, USA.
2
2 Center for Observational Research, Amgen, Thousand Oaks, CA, USA.

Abstract

OBJECTIVES:

To describe long-term treatment patterns in migraine patients initiating prophylactic therapy and to evaluate acute medication use and adverse events associated with opioids.

METHODS:

This study used the 2005-2014 IBM MarketScan® databases to evaluate migraine patients initiating prophylactic medication. Outcome measures included persistence with prophylactic migraine medications over 2-5 years. Acute medication use and gastrointestinal-related adverse events and opioid abuse following opioid use were evaluated. Cox proportional hazards models were used to evaluate predictors of non-persistence and predictors of gastrointestinal-related AEs and opioid abuse associated with long-term opioid use.

RESULTS:

In total, 147,832 patients were analyzed. Non-persistence was observed in 90% of patients; 39% switched, 30% restarted, and 31% discontinued treatment. Over the follow-up, 59.9% of patients received triptans, 66.6% non-steroidal anti-inflammatory drugs, 77.4% opioids, and 2.6% ergotamines. Among opioid users, 16.6% experienced nausea/vomiting, 12.2% had constipation, and 10.4% had diarrhea. Opioid abuse was reported in <1% of opioid users. Gastrointestinal-related adverse events increased with increasing number of days' supply of opioids.

CONCLUSIONS:

Non-persistence to prophylactic treatment was frequent among migraine patients. Opioid use was common in migraine patients and the risk of gastrointestinal-related adverse events and opioid abuse increased with long-term use of opioids. These results suggest a need for more effective prophylactic migraine treatments.

KEYWORDS:

Migraine; opioid-related adverse events; prophylactic and acute medications; treatment patterns

PMID:
30818974
DOI:
10.1177/0333102419835465

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