<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE trials [
<!ELEMENT trials (trial+)>

<!ELEMENT trial (main,contacts,countries,criteria,health_condition_code,health_condition_keyword,intervention_code,
          intervention_keyword,primary_outcome,secondary_outcome,secondary_sponsor,secondary_ids,source_support,ethics_reviews)>

<!ELEMENT main (trial_id,utrn?,reg_name,date_registration,primary_sponsor,public_title,acronym?,scientific_title,scientific_acronym?,
          date_enrolment,type_enrolment,target_size,recruitment_status,url?,study_type,study_design,phase,hc_freetext?,i_freetext?,results_actual_enrolment,results_date_completed,results_url_link,results_summary,           results_date_posted,results_date_first_publication,results_baseline_char,results_participant_flow,results_adverse_events,results_outcome_measures,results_url_protocol,results_IPD_plan, results_IPD_description)>
<!ELEMENT trial_id (#PCDATA)>
<!ELEMENT utrn (#PCDATA)>
<!ELEMENT reg_name (#PCDATA)>
<!ELEMENT date_registration (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT primary_sponsor (#PCDATA)>
<!ELEMENT public_title (#PCDATA)>
<!ELEMENT acronym (#PCDATA)>
<!ELEMENT scientific_title (#PCDATA)>
<!ELEMENT scientific_acronym (#PCDATA)>
<!ELEMENT date_enrolment (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT type_enrolment (#PCDATA)>
<!ELEMENT target_size (#PCDATA)>
<!ELEMENT recruitment_status (#PCDATA)><!-- Pending,Recruiting,Suspended,Complete,Other -->
<!ELEMENT url (#PCDATA)>
<!ELEMENT study_type (#PCDATA)><!-- interventional,observational -->
<!ELEMENT study_design (#PCDATA)>
<!ELEMENT phase (#PCDATA)>
<!ELEMENT hc_freetext (#PCDATA)>
<!ELEMENT i_freetext (#PCDATA)>
<!ELEMENT results_actual_enrolment (#PCDATA)>
<!ELEMENT results_date_completed (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_url_link (#PCDATA)>
<!ELEMENT results_summary (#PCDATA)>
<!ELEMENT results_date_posted (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_date_first_publication (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_baseline_char (#PCDATA)>
<!ELEMENT results_participant_flow (#PCDATA)>
<!ELEMENT results_adverse_events (#PCDATA)>
<!ELEMENT results_outcome_measures (#PCDATA)>
<!ELEMENT results_url_protocol (#PCDATA)>
<!ELEMENT results_IPD_plan (#PCDATA)>
<!ELEMENT results_IPD_description (#PCDATA)>


<!ELEMENT contacts (contact+)>
<!ELEMENT contact (type,firstname,middlename,lastname,address,city,country1,zip,telephone,email,affiliation)>
<!ELEMENT type (#PCDATA)><!-- Public,Scientific -->
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT middlename (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT country1 (#PCDATA)>
<!ELEMENT zip (#PCDATA)>
<!ELEMENT telephone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT affiliation (#PCDATA)>

<!ELEMENT countries (country2+)>
<!ELEMENT country2 (#PCDATA)>

<!ELEMENT criteria (inclusion_criteria,agemin,agemax,gender,exclusion_criteria)>
<!ELEMENT inclusion_criteria (#PCDATA)>
<!ELEMENT agemin (#PCDATA)>
<!ELEMENT agemax (#PCDATA)>
<!ELEMENT gender (#PCDATA)>
<!ELEMENT exclusion_criteria (#PCDATA)>

<!ELEMENT health_condition_code (hc_code+)>
<!ELEMENT hc_code (#PCDATA)>

<!ELEMENT health_condition_keyword (hc_keyword+)>
<!ELEMENT hc_keyword (#PCDATA)>

<!ELEMENT intervention_code (i_code+)>
<!ELEMENT i_code (#PCDATA)>

<!ELEMENT intervention_keyword (i_keyword+)>
<!ELEMENT i_keyword (#PCDATA)>

<!ELEMENT primary_outcome (prim_outcome+)>
<!ELEMENT prim_outcome (#PCDATA)>

<!ELEMENT secondary_outcome (sec_outcome+)>
<!ELEMENT sec_outcome (#PCDATA)>

<!ELEMENT secondary_sponsor (sponsor_name+)>
<!ELEMENT sponsor_name (#PCDATA)>

<!ELEMENT secondary_ids (secondary_id+)>
<!ELEMENT secondary_id (sec_id,issuing_authority)>
<!ELEMENT sec_id (#PCDATA)>
<!ELEMENT issuing_authority (#PCDATA)>

<!ELEMENT source_support (source_name+)>
<!ELEMENT source_name (#PCDATA)>

<!ELEMENT ethics_reviews (ethics_review+)>
<!ELEMENT ethics_review (status,approval_date,contact_name,contact_address,contact_phone,contact_email)>
<!ELEMENT status (#PCDATA)><!-- Not approved,Approved,NA -->
<!ELEMENT approval_date (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT contact_name (#PCDATA)>
<!ELEMENT contact_address (#PCDATA)>
<!ELEMENT contact_phone (#PCDATA)>
<!ELEMENT contact_email (#PCDATA)>
]>
<trials>
  <trial>
    <main>
      <trial_id>IRCT20250508065645N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2025-05-16</date_registration>
      <primary_sponsor>Tehran University of Medical Sciences</primary_sponsor>
      <public_title>Single-dose topiramate in migraine prophylaxis</public_title>
      <acronym></acronym>
      <scientific_title>Comparison of the therapeutic effects of using single-dose and twice-daily topiramate for migraine prophylaxis in children aged 5 to 18 years referred to Tehran Children's Medical Center Hospital</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2025-06-22</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>70</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/83504</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: In this study randomization was employed to randomly assign participants to treatment groups. This method aids in maintaining group balance and controlling confounding variables by dividing participants into homogeneous blocks and randomizing within each block.</study_design>
      <phase>3</phase>
      <hc_freetext>Migraine.</hc_freetext>
      <i_freetext>Intervention group: In the present study the calculated therapeutic dose of topiramate for pediatric patients was based on guidelines from the American Academy of Neurology (AAN) and the American Headache Society (AHS), which recommend a dose of 2 mg/kg/day with a maximum of 100 mg/day. Topiramate was initiated at a dose of 1 mg/kg/day for participants and, if necessary, titrated according to a predefined schedule to reach the optimal dose..</i_freetext>
      <results_actual_enrolment></results_actual_enrolment>
      <results_date_completed></results_date_completed>
      <results_url_link></results_url_link>
      <results_summary></results_summary>
      <results_date_posted></results_date_posted>
      <results_date_first_publication></results_date_first_publication>
      <results_baseline_char></results_baseline_char>
      <results_participant_flow></results_participant_flow>
      <results_adverse_events></results_adverse_events>
      <results_outcome_measures></results_outcome_measures>
      <results_url_protocol></results_url_protocol>
      <results_IPD_plan>Undecided - It is not yet known if there will be a plan to make this available</results_IPD_plan>
      <results_IPD_description>Justification or reason for indecision in sharing IPD is No decision has been made regarding the publication of the information in question. It will be reviewed after consultation with the respected professors, advisors, and supervisors.</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Sina Fathi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Koohestan St. , Farahzadi Blvd.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1981655715</zip>
        <telephone>+98 21 2238 1781</telephone>
        <email>sina_fth74@yahoo.com</email>
        <affiliation>Tehran University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Sina Fathi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Koohestan St. , Farahzadi Blvd.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1981655715</zip>
        <telephone>+98 21 2238 1781</telephone>
        <email>sina_fth74@yahoo.com</email>
        <affiliation>Tehran University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>The inclusion criteria for the study are children aged 5 to 18 years diagnosed with migraine according to the International Classification of Headache Disorders, 3rd edition (ICHD-3) , candidates for prophylactic treatment who experienced a minimum of two migraine attacks per month , and obtained informed consent from their parents or legal guardians to participate in the study</inclusion_criteria>
      <agemin>5 years</agemin>
      <agemax>18 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>G43</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Migraine</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group: In the present study the calculated therapeutic dose of topiramate for pediatric patients was based on guidelines from the American Academy of Neurology (AAN) and the American Headache Society (AHS), which recommend a dose of 2 mg/kg/day with a maximum of 100 mg/day. Topiramate was initiated at a dose of 1 mg/kg/day for participants and, if necessary, titrated according to a predefined schedule to reach the optimal dose.</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Headache frequency, headache severity, headache duration, headache-related disability, side effects. Timepoint: At the beginning of the study, 3 months and 6 months after taking the medication. Method of measurement: History, Verbal Pain Scale, Visual Analogue Scale, Pediatric Migraine Disability Assessment (PedMIDAS).</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome></sec_outcome>
    </secondary_outcome>
    <secondary_sponsor>
      <sponsor_name></sponsor_name>
    </secondary_sponsor>
    <secondary_ids>
      <secondary_id>
        <sec_id></sec_id>
        <issuing_authority></issuing_authority>
      </secondary_id>
    </secondary_ids>
    <source_support>
      <source_name>Tehran University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2025-04-19</approval_date>
        <contact_name>Ethics committee of Tehran University of Medical Sciences</contact_name>
        <contact_address>Central Building of Tehran University of Medical Sciences, Qods St., Keshavarz Blvd. Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
