<?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>IRCT20160626028640N2</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2018-02-10</date_registration>
      <primary_sponsor>Shahid Beheshti University of Medical Sciences</primary_sponsor>
      <public_title>Efficacy of Low-Intensity Pulsed Ultrasound for Orthodontic Pain control</public_title>
      <acronym></acronym>
      <scientific_title>Efficacy of Low-Intensity Pulsed Ultrasound for Orthodontic Pain control</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2017-04-21</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>22</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/29069</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Not randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Blinding description: Patients and evaluators are unaware about the consequences of using an ultrasound device on or off.</study_design>
      <phase>N/A</phase>
      <hc_freetext>Orthodontic.</hc_freetext>
      <i_freetext>Intervention 1: Intervention group: Pain evaluation after placement of seperator in mesial and distal of mandibular first molar and use of low-intensity pulsed ultrasound (LIPUS)  for 7 minutes with degree 100 intensity. Intervention 2: Control group: Pain evaluation after placement of seperator in mesial and distal of mandibular first molar and use of low-intensity pulsed ultrasound (LIPUS)  for 7 minutes with 0-degree intensity.</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 more information</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Mohammadreza Badiee</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Shahid Beheshti Dental School, Daneshjoo BLV, Chamran Highway,Evin</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>19839</zip>
        <telephone>+98 22428638</telephone>
        <email>mohammadreza.badiee@yahoo.com</email>
        <affiliation>Shahid Beheshti University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Mohammadreza Badiee</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Shahid Beheshti Dental School, Daneshjoo BLV, Chamran Highway,Evin</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>19839</zip>
        <telephone>+98 21 2242 8638</telephone>
        <email>mohammadreza.badiee@yahoo.com</email>
        <affiliation>Shahid Beheshti University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Absence of periodontal or endodontic problems or active caries,
no pain at the onset of study,
absence of spacing and presence of tight contacts between the permanent first molar and adjacent teeth
no intake of systemic analgesics,
presence of antagonistic tooth,
absence of posterior open bite,
patient expressing pain following placement of orthodontic separators.</inclusion_criteria>
      <agemin>19 years</agemin>
      <agemax>32 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria>detachment of a separator
not filling out the questionnaire
use of analgesics during the study period.</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>Z46.4</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Fitting and adjustment of orthodontic device</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Devices</i_code>
      <i_code>Treatment - Devices</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group: Pain evaluation after placement of seperator in mesial and distal of mandibular first molar and use of low-intensity pulsed ultrasound (LIPUS)  for 7 minutes with degree 100 intensity</i_keyword>
      <i_keyword>Control group: Pain evaluation after placement of seperator in mesial and distal of mandibular first molar and use of low-intensity pulsed ultrasound (LIPUS)  for 7 minutes with 0-degree intensity</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Orthodontic Pain based on VAS. Timepoint: Patients were requested to record their level of pain at one, six and 24 hours and also on days two to seven after placement of separators. Method of measurement: visual analog scale (VAS).</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>Shahid Beheshti University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2016-02-10</approval_date>
        <contact_name>Ethics committee of Shahid Beheshti University of Medical Sciences</contact_name>
        <contact_address>Shahid Beheshti University of Medical Sciences, Daneshjoo BLV, Chamran Highway, Evin Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
