NCT00897104

Brief Summary

A study to compare rizatriptan (MK0462) 5 mg by mouth (p.o.) and sumatriptan 50 mg p.o. for the acute treatment of a migraine attack.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
933

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Aug 1995

Shorter than P25 for phase_3

Status
completed

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

August 1, 1995

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 1996

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 1996

Completed
12.7 years until next milestone

First Submitted

Initial submission to the registry

May 8, 2009

Completed
4 days until next milestone

First Posted

Study publicly available on registry

May 12, 2009

Completed
1.2 years until next milestone

Results Posted

Study results publicly available

July 23, 2010

Completed
Last Updated

February 3, 2022

Status Verified

February 1, 2022

Enrollment Period

9 months

First QC Date

May 8, 2009

Results QC Date

September 26, 2009

Last Update Submit

February 1, 2022

Conditions

Outcome Measures

Primary Outcomes (2)

  • Pain Relief at 2 Hours After Treatment

    Participants reporting pain relief defined as a reduction of headache severity from grades 2 or 3 (moderate or severe pain) at baseline to grades 0 or 1 (no headache or mild pain) at 2 hours after treatment

    2 hours after treatment

  • Time to Relief Within 2 Hours After Treatment

    Participants reporting time to relief (defined as the first time that a participant reported grade 0 or 1 in headache severity within 2 hours after treatment (for the comparison of rizatriptan 5 mg and sumatriptan 50 mg).

    within 2 hours after treatment

Secondary Outcomes (5)

  • Pain Free at 2 Hours After Treatment

    2 hours after treatment

  • Lack of Functional Disability at 2 Hours After Treatment as Measured by the Level of Impairment in Daily Activities

    2 hours after treatment

  • Presence or Absence of Associated Symptoms (Photophobia, Phonophobia, Nausea, and Vomiting) at 2 Hours After Treatment

    2 hours after treatment

  • Participants Who Used Escape Medication 2 Hours After the Treatment Dose

    2 hours after treatment

  • Duration of Relief (Time to Recurrence From the Time of First Recorded Pain Relief [Grade = 0 or 1])

    24 hours

Study Arms (3)

1

EXPERIMENTAL

Rizatriptan

Drug: rizatriptan benzoate (MK0462)

2

EXPERIMENTAL

Sumatriptan

Drug: Comparator: sumatriptan

3

PLACEBO COMPARATOR

Placebo

Drug: Comparator: Placebo

Interventions

single dose 5 mg rizatriptan p.o.

Also known as: MK0462
1

single dose 50 mg sumatriptan p.o.

2

Placebo to rizatriptan or sumatriptan, single dose placebo tablet taken orally

3

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participant had at least a 6-month history of migraine, with or without aura
  • Participant was male, or if female, must have been postmenopausal, surgically sterilized, or taking adequate contraceptive precautions
  • Participant was judged to be in good health, apart from migraine

You may not qualify if:

  • Participant was Pregnant or a nursing mother
  • Participant had a history or current evidence of drug or alcohol abuse
  • Participant had a history or clinical evidence of cardiovascular disease
  • Participant had a clinically significant Electrocardiography (ECG) abnormality
  • Participant had a resting systolic blood pressure of greater than 145 mm Hg or diastolic of less than 95 mm Hg at screening
  • Participant had received treatment with an investigational device or compound within 30 days of the study
  • Participant typically suffered from less then 1 or more than 8 attacks of migraine per month
  • Participant had difficulty in distinguishing his/her migraine attacks from tension or interval headaches
  • Participant was currently taking monoamine oxidase inhibitors, methysergide or lithium

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (3)

  • Ho TW, Fan X, Rodgers A, Lines CR, Winner P, Shapiro RE. Age effects on placebo response rates in clinical trials of acute agents for migraine: pooled analysis of rizatriptan trials in adults. Cephalalgia. 2009 Jul;29(7):711-8. doi: 10.1111/j.1468-2982.2008.01788.x. Epub 2009 Feb 3.

    PMID: 19210513BACKGROUND
  • Ferrari MD, Loder E, McCarroll KA, Lines CR. Meta-analysis of rizatriptan efficacy in randomized controlled clinical trials. Cephalalgia. 2001 Mar;21(2):129-36. doi: 10.1046/j.1468-2982.2001.00169.x.

  • Block GA, Goldstein J, Polis A, Reines SA, Smith ME. Efficacy and safety of rizatriptan versus standard care during long-term treatment for migraine. Rizatriptan Multicenter Study Groups. Headache. 1998 Nov-Dec;38(10):764-71. doi: 10.1046/j.1526-4610.1998.3810764.x.

MeSH Terms

Conditions

Migraine Disorders

Interventions

rizatriptan

Condition Hierarchy (Ancestors)

Headache Disorders, PrimaryHeadache DisordersBrain DiseasesCentral Nervous System DiseasesNervous System Diseases

Limitations and Caveats

No limitations were encountered in this study.

Results Point of Contact

Title
Senior Vice President, Global Clinical Development
Organization
Merck Sharp & Dohme Corp

Study Officials

  • Medical Monitor

    Merck Sharp & Dohme LLC

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 8, 2009

First Posted

May 12, 2009

Study Start

August 1, 1995

Primary Completion

May 1, 1996

Study Completion

September 1, 1996

Last Updated

February 3, 2022

Results First Posted

July 23, 2010

Record last verified: 2022-02