NCT02777359

Brief Summary

The foramen ovale, a kind of physiologic channel in the interatrial septum in the heart at embryonic stage, is closed normally at 5-7 months after birth. When it is not closed, it is referred to as the patent foramen ovale (PFO), which is found in approximately 1/4 of general population. It was shown in the studies in recent years that the risks of cryptogenic stroke, migraine, peripheral arterial embolism and decompression sickness in the patients with PFO were several times higher than those in healthy people. Therefore, PFO, previously considered a condition without the necessity of treatment, causes the attention of many experts and scholars around the world. Migraine with or without aura is defined as one of the most disabling chronic diseases, since according to WHO, the disability adjusted life year caused by migraine was second only to that by non-fatal stroke in 2005. In recent years, an increasing number of researches suggested that migraine is closely related to the right-to-left shunt (RLS) in the heart. And PFO is clinically considered as the most common cause of RLS. The closure treatment for PFO-induced migraine has been gradually applied in several hospitals in China. The relationship of PFO with migraine, however, was not evaluated systematically based on specific standards, unfortunately leading to non-inclusion of many high-risk patients with PFO in the evaluation. The following aspects are to be fully recognized: the selecting and screening procedures for the high-risk population with PFO-induced migraine; the indications and standards of closure treatment for PFO in the patients with PFO-induced migraine; and the possibility that the made-in-China occluders substitute for those imported in the prevention from migraine. Furthermore, there is still a lack of prospective, multi-center, randomized and controlled studies in this subject, and standard or normal screening and treatment procedures have not yet been established in China. From this point, the investigators developed the Chinese people-specific procedures and standards of diagnosis of PFO-induced migraine in this study, based on current standards and methods of diagnosis, treatment and prevention of PFO-induced migraine in foreign countries. And the investigators prospectively adopted continuous inclusion of the high-risk patients with PFO-induced migraine, who were randomly divided into the closure treatment (transcatheter closure of PFO) group and the medication (drugs administered alone) group at the ratio of 1:1., in order to evaluate if the interventional treatment is better than the medication alone in these patients, to assess the efficacy and safety of the made-in-China occluders in the interventional treatment and prevention of PFO-induced migraine, and to identify the incidence of PFO in the patients with migraine in China and develop the Chinese people-specific screening protocols of PFO-induced migraine.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Jan 2017

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

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

First Submitted

Initial submission to the registry

May 4, 2016

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 19, 2016

Completed
8 months until next milestone

Study Start

First participant enrolled

January 1, 2017

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2018

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2018

Completed
Last Updated

July 19, 2017

Status Verified

July 1, 2017

Enrollment Period

1 year

First QC Date

May 4, 2016

Last Update Submit

July 18, 2017

Conditions

Keywords

patent foramen ovalemigrainetreatment

Outcome Measures

Primary Outcomes (1)

  • migraine days after randomization

    up to 1 year

Study Arms (2)

the closure group

EXPERIMENTAL

In the closure group, the transcatheter closure of PFO was performed using the made-in-China occluders approved by SFDA, in combination of clopidogrel(50mg/d, 3mon) and aspirin (0.1g/d, 6mon), i.e. oral administration of aspirin (0.1g/d) and clopidogrel (50mg/d) at 48h before the closure; the low molecular weight heparin (LMWH) was routinely given at 48h after the closure; and some pain-relief drugs could be temporarily administered in the patients with acute onset of migraine.

Procedure: the transcatheter closure of PFO

the medication group

NO INTERVENTION

In the medication group, in combination of clopidogrel (50mg/d, 3mon) and aspirin (0.1g/d, 6mon), current medication resumed, including conventional prescription for migraine as β-receptor blockers, calcium-ion antagonists, antiepileptics, antidepressants and non-steroid anti-inflammatory drugs (NSAID).

Interventions

the transcatheter closure of PFO was performed using the made-in-China occluders approved by SFDA,clopidogrel(50mg/d, 3mon) , aspirin (0.1g/d, 6mon), i.e. oral administration of aspirin (0.1g/d) and clopidogrel (50mg/d) at 48h before the closure; the low molecular weight heparin (LMWH) was routinely given at 48h after the closure; and some pain-relief drugs could be temporarily administered in the patients with acute onset of migraine.

the closure group

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • migraine headaches with or without aura,migraine onset before age 50
  • \>3 migraine attacks or 5 migraine days per month
  • failed ≥2 commonly accepted migraine medications:β-receptor blockers, calcium-ion antagonists, antidepressants and non-steroid anti-inflammatory drugs (NSAID).
  • PFO documented by TTE or TEE
  • PFO meet one of the following conditions:RLS in rest documented by cTTE or cTCD,combine with ASA,the primary patition mobility≥6.5mm,the diameter of PFO≥4mm, combine with Eustachian Valve or Chiari net.
  • age 18-60
  • else:independent in daily activities,to comply with complete follow-up experiment design

You may not qualify if:

  • contraindication to antiplatelet or anticoagulant
  • inferior vena cava or pelvic vein thrombogenesis leading to complete obstruction,systemic or local infection,septicemia,heart lumen thrombosis
  • pregnancy
  • combine with pulmonary hypertension or PFO made for a particular channel
  • severe allergy to nickel

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

First Affiliated Hospital of Xian JiaotongUniversity

Xi'an, Shaanxi, 710061, China

RECRUITING

Related Publications (1)

  • Zhao E, Du Y, Xie H, Zhang Y. Modified Method of Contrast Transthoracic Echocardiography for the Diagnosis of Patent Foramen Ovale. Biomed Res Int. 2019 May 9;2019:9828539. doi: 10.1155/2019/9828539. eCollection 2019.

MeSH Terms

Conditions

Foramen Ovale, PatentMigraine Disorders

Condition Hierarchy (Ancestors)

Heart Septal Defects, AtrialHeart Septal DefectsHeart Defects, CongenitalCardiovascular AbnormalitiesCardiovascular DiseasesHeart DiseasesCongenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesHeadache Disorders, PrimaryHeadache DisordersBrain DiseasesCentral Nervous System DiseasesNervous System Diseases

Study Officials

  • Zhang Yu Shun, PHD

    First Affiliated Hospital of Xian JiaotongUniversity

    STUDY CHAIR

Central Study Contacts

Zhang Yu Shun, PHD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 4, 2016

First Posted

May 19, 2016

Study Start

January 1, 2017

Primary Completion

January 1, 2018

Study Completion

June 1, 2018

Last Updated

July 19, 2017

Record last verified: 2017-07

Locations