RecruitingMigraine
A Study to Evaluate the Efficacy and Safety of Elismetrep (K-304) in the Acute Treatment of Migraine
Eligible age
18–75 yrs
Accepts
All genders
Locations
34 states
Healthy volunteers
No
See if you qualify for this study
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About this study
This is a double-blind, randomized, multicenter, outpatient evaluation of the efficacy, safety, and tolerability of elismetrep, as compared with placebo, in the acute treatment of migraine.
Sponsor: Kallyope Inc.
You may qualify if…
- ✓ 1\. Be a male or female, age 18 to 75 years, inclusive, at the time of signing informed consent. 2. Has greater than a one-year history of migraine with or without aura as defined by International Headache Society criteria 1.1 and 1.2 and his/her migraines typically last between 4 to 72 hours, if untreated. 3. Has had ≥2 and ≤10 moderate or severe migraine attacks per month in each of the 2 months prior to screening (Visit 1). 4. Meet the following requirements:
- ✓ a. Is a male OR b. Is a female who is of non-childbearing potential defined by at least one of the following criteria: i. Postmenopausal as defined by one of the following:
- ✓ 1. A minimum of 12 months of spontaneous amenorrhea or
- ✓ 2. A minimum of 6 months of spontaneous amenorrhea with a screening serum follicle-stimulating hormone level \> 40 mIU/mL or
- ✓ 3. At least 6 weeks post bilateral oophorectomy (with or without hysterectomy). OR ii. Post hysterectomy or bilateral salpingectomy, based on the participant's recall of their medical history OR c. Is a female of reproductive potential and: i. Agrees to remain abstinent from heterosexual activity OR ii. Agrees to use (or have their partner use) a birth control method that is acceptable from the first dose of study drug until the End of Study visit.
- ✓ Acceptable methods of birth control are:
- ✓ 1. Combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation (oral, intravaginal, or transdermal).
- ✓ 2. Progestogen-only hormonal contraception associated with inhibition of ovulation (oral; injectable; or implantable).
You may not qualify if…
- ✕ Participants are excluded from the trial if any of the following criteria apply:
- ✕ 1. Is a female who is pregnant, breast-feeding, or intends to become pregnant during the planned course of the trial.
- ✕ Migraine history-related
- ✕ 2. Has difficulty distinguishing his/her migraine attacks from tension-type headaches.
- ✕ 3. Has a history of predominantly mild migraine attacks or migraines that usually resolve spontaneously in less than 2 hours.
- ✕ 4. Has more than 15 headache-days per month or has taken medication for acute headache on more than 10 days per month in any of the 3 months prior to screening (Visit 1).
- ✕ 5. Has brainstem (also known as basilar-type) or hemiplegic migraine headache, or retinal migraine.
- ✕ 6. Was \>50 years old at age of first migraine onset.
Where it's recruiting
Alabama
Birmingham · Mobile
Arizona
Chandler
Arkansas
Little Rock
California
Colton · Culver City · Encino · Irvine …
Colorado
Centennial · Colorado Springs · Fort Collins
Connecticut
Waterbury
Georgia
Atlanta · Marietta · Stockbridge
Illinois
Chicago · Flossmoor · Naperville
Iowa
West Des Moines
Kansas
Overland Park · Wichita
Kentucky
Bardstown · Lexington · Louisville
Louisiana
Chalmette · New Orleans
Source: ClinicalTrials.gov · NCT07645924 · last updated 2026-08-05