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Low-Dose Naltrexone and Acetaminophen Combination and Its Components in the Acute Treatment of Migraine

A Clinical Trial to Assess a Single Dose of Low-Dose Naltrexone and Acetaminophen Combination and Its Components in the Acute Treatment of Migraine

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03061734
Acronym
ANODYNE-1
Enrollment
92
Registered
2017-02-23
Start date
2017-02-18
Completion date
2018-02-08
Last updated
2021-04-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Migraine With or Without Aura

Keywords

Migraine Disorders, Headache Disorders, Migraine with Aura, Migraine without Aura

Brief summary

The study consists of a screening visit, out-patient treatment of a moderate or severe migraine attack with a single dose of the study medication within 8 weeks, and End-of-Study Visit 2-7 days after dosing.

Interventions

Naltrexone plus acetaminophen

Naltrexon (high dose) plus acetaminophen

Naltrexone Alone plus Placebo

Acetaminophen Alone plus Placebo

DRUGMatching Placebo

Two Placebo capsules

Sponsors

Allodynic Therapeutics, Inc
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Male or female 18 years of age or older. 2. History of migraine with or without aura according to the International Classification of Headache Disorders (ICHD)-3rd edition (beta version) for at least one-year with first migraine prior to age 50. 3. Migraine-associated nausea with ≥half of migraine attacks. 4. 2 - 8 migraines per month in each of the previous 3 months. 5. The patient is able to complete study questionnaires, comply with the study requirements and restrictions, and willing to provide written informed consent and authorize HIPAA. 6. The female patient who is premenopausal or postmenopausal less than 1 year, or have not had surgical sterilization (i.e., tubal ligation, partial or complete hysterectomy) must have a negative urine pregnancy test, be non-lactating, and commit to using adequate and reliable contraception throughout the study (e.g., barrier with additional spermicidal, intra-uterine device, hormonal contraception). The male patient must be surgically sterile or commit to the use of 2 different methods of birth control during the study and for 28 days after taking the study drug.

Exclusion criteria

1. The patient in the opinion of the investigator, may have medication-overuse headache pain (as defined by ICHD - 3 beta criteria for medication-overuse headache), (analgesic, opioid, ergotamine or triptan overuse) during the 3 months preceding screening. 2. The patient in the opinion of the investigator has chronic migraine (as defined by ICHD - 3 beta criteria for chronic migraine). 3. History of cluster headache or neurologically complicated migraine (hemiplegic, basilar, retinal, ophthalmoplegic migraine). 4. Initiation or change in medications with possible migraine prophylactic effects during 3 months before inclusion into the trial (E.g., calcium channel blockers, tricyclic antidepressants, beta-blockers, selective serotonin re-uptake inhibitors (SSRIs), serotonin-norepinephrine re-uptake inhibitors (SNRIs), or Botox). 5. Any concurrent medical or psychiatric condition, this includes, but is not limited to chronic unstable debilitating diseases, significant renal or hepatic impairment. 6. A history within the previous 3 years of abuse of any drug, prescription, illicit, or alcohol. 7. The Female patient is pregnant or breast-feeding. The Male patient is not practicing 2 different methods of birth control with their partner during the study, and for 28 days after the investigational drug last dose or will not remain abstinent during the study, and for 28 days after the last dose. 8. Use of opiates or barbiturates more than 3 days per month. 9. Known-hypersensitivity reaction to any of the components of the investigational drug. 10. Consumption of analgesic medication for other conditions on a regular basis, (nonsteroidal anti-inflammatory drugs, or acetaminophen, or muscle relaxants). 11. Use of emergency care treatment more than 3 times in the previous 6 months. 12. Participation in another study with an investigational drug within 30 days prior to randomization and/or a plan to participate during the study.

Design outcomes

Primary

MeasureTime frameDescription
% of patients who have sustained pain freedom24-hour post-dose.Defined as having no headache pain at 2 hours after dose, with no use of rescue medication and no relapse of headache pain within 24 hours after administration of the investigational drug.
% of patients reporting no headache pain.2 hours post-doseSelf-reported headache pain on a four-point Likert scale.
% of patients having absence of most bothersome migraine-associated symptom (MBS).2 hours post-doseMBS was prospectively identified at baseline. Self-reported MBS as present or absent.

Secondary

MeasureTime frameDescription
% of patients who had headache pain relapse.2-48 hoursDefined as the return of headache of any severity within 48 hours after administration of the investigational drug, when the patient was pain-free at 2 hours after the administration of the investigational drug.
% of patients having absence of nausea, photophobia, phonophobia, and neck/shoulder pain24-hour post-dose.Self-reported the current status of their associated symptom as present or absent.
% of patients who used rescue medications2-24 hours

Other

MeasureTime frameDescription
% of patients who experienced adverse events48 hourstreatment related Adverse Events

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026