Long-Term Exposure to Rizatriptan 5-mg and 10-mg Oral Tablet (Combined Extension Protocols MK-0462-022, MK-0462-025, MK-0462-029)
1 other identifier
interventional
1,959
0 countries
N/A
Brief Summary
This record describes pooled data for three extension studies: MK-0462-022 (NCT00897949); MK-0462-025 (NCT00899379); and MK-0462-029 (NCT00897104). These studies examined the long-term safety and efficacy of rizatriptan used for the treatment of acute migraine and migraine recurrence.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Mar 1995
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 1995
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 1997
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 1997
CompletedFirst Submitted
Initial submission to the registry
January 27, 2011
CompletedFirst Posted
Study publicly available on registry
January 31, 2011
CompletedResults Posted
Study results publicly available
June 10, 2011
CompletedFebruary 3, 2022
February 1, 2022
2.2 years
January 27, 2011
May 20, 2011
February 1, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Percent of Patient's Headaches With Pain Relief at 2 Hours After the Initial Dose of Test Drug
Headache severity was rated on a 4-point scale (0 = no headache; 1 = mild pain; 2 = moderate pain; 3 = severe pain) immediately before initial dose and at 2 hours thereafter. Pain relief was defined as a reduction of headache severity from grades 2/3 at baseline to 0/1.
2 hours after initial dose of test drug
Number of Participants With Serious Clinical Adverse Experiences
Serious clinical adverse experiences (CAEs) are any adverse events (AEs) occurring at any dose that; results in death; or is life threatening; or results in a persistent or significant disability/incapacity; or results in or prolongs an existing inpatient hospitalization; or is a congenital anomaly/birth defect; or is a cancer; or is an overdose.
Up to 12 months
Number of Participants With Drug-related Clinical Adverse Experiences
Patients with drug-related (as assessed by an investigator who is a qualified physician according to his/her best clinical judgment) CAEs.
Up to 12 months
Number of Participants Who Discontinued Due to Clinical Adverse Experiences
Up to 12 months
Number of Participants With Drug-related Lab Adverse Experiences
Patients with drug-related (as assessed by an investigator who is a qualified physician according to his/her best clinical judgment) laboratory adverse experience (LAE). A LAE is defined as any unfavorable and unintended change in the chemistry of the body temporally associated with the use of the SPONSOR'S product, whether or not considered related to the use of the product.
Up to 12 weeks
Study Arms (3)
Rizatriptan 5 mg
EXPERIMENTALRizatriptan 5 mg orally once for treatment of index migraine attack, followed by two additional doses within 24 hours of the initial dose for migraine recurrence(s)
Rizatriptan 10 mg
EXPERIMENTALRizatriptan 10 mg orally once for treatment of index migraine attack, followed by two additional doses within 24 hours of the initial dose for migraine recurrence(s)
Standard Care
ACTIVE COMPARATORStandard care at onset of migraine attack
Interventions
Rizatriptan 5 mg orally once for treatment of index migraine attack, followed by two additional doses within 24 hours of the initial dose for migraine recurrence(s)
Rizatriptan 10 mg orally once for treatment of index migraine attack, followed by two additional doses within 24 hours of the initial dose for migraine recurrence(s)
Eligibility Criteria
You may qualify if:
- Participant took part in study MK-0462-022, MK-0462-025, or MK-0462-029
- History of migraine headache
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Organon and Colead
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Senior Vice President, Global Clinical Development
- Organization
- Merck Sharp & Dohme Corp
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 27, 2011
First Posted
January 31, 2011
Study Start
March 1, 1995
Primary Completion
May 1, 1997
Study Completion
May 1, 1997
Last Updated
February 3, 2022
Results First Posted
June 10, 2011
Record last verified: 2022-02