The Efficacy of L-cysteine in Prevention of Cluster Headache
1 other identifier
interventional
60
1 country
6
Brief Summary
The purpose of this study is to validate the novel hypothesis that daily use of L-cysteine (Acetium® capsules) is an effective means to decrease the frequency of (or completely abort) the attacks of cluster headache.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Dec 2013
Longer than P75 for not_applicable
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 17, 2013
CompletedFirst Submitted
Initial submission to the registry
December 4, 2014
CompletedFirst Posted
Study publicly available on registry
December 8, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 8, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
October 14, 2020
CompletedFebruary 17, 2021
February 1, 2021
5.1 years
December 4, 2014
February 16, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The frequency of headache attacks per week
The frequency of headache attacks per week, either during the entire treatment period or during the last treatment interval is compared with the baseline frequencies, to disclose differences between the two study arms.
1 month
Study Arms (2)
Acetium
EXPERIMENTALPatient will administer Acetium capsules (100mg l-cysteine) twice a day for one month
Placebo
PLACEBO COMPARATORPatient will administer placebo capsules twice a day for one month
Interventions
Eligibility Criteria
You may qualify if:
- years male/female
- episodic and chronic cluster headache
- the subjects should report cluster headache attacks with the frequency from one every second day up to five per day. The individual attacks should last from 15 minutes to 3h.
You may not qualify if:
- patients who meet the International Classification of Headache Disorders II criteria for medication overuse
- patients who have taken anti-psychotics or anti-depressant medications during the previous 3 months
- patients who abuse alcohol or other drugs
- potentially fertile and sexually active women who do not practise contraception
- other acute or chronic pain disorders
- severe psychiatric disease
- infections
- malignancy
- short life expectancy
- cardiovascular disease
- cerebrovascular disease
- uncontrolled hypertension
- degenerative central nervous system diseases
- pregnant and lactating women
- regular users of Acetium capsules for other indications
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Terveystalo, Kamppi
Helsinki, 00100, Finland
Lääkärikeskus Aava, Helsingin Päänsärkykeskus Oy
Helsinki, 00930, Finland
Terveystalo, Jyväskylä
Jyväskylä, 40100, Finland
Terveystalo, Oulu
Oulu, 90100, Finland
Terveystalo, Tampere
Tampere, 33100, Finland
Terveystalo, Turku
Turku, 20100, Finland
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Mikko Kallela, MD, PhD
Helsinki Headache Center
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 4, 2014
First Posted
December 8, 2014
Study Start
December 17, 2013
Primary Completion
February 8, 2019
Study Completion
October 14, 2020
Last Updated
February 17, 2021
Record last verified: 2021-02
Data Sharing
- IPD Sharing
- Will not share