<?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>IRCT201105185867N4</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2011-07-16</date_registration>
      <primary_sponsor>Tehran University of Medical Sciences</primary_sponsor>
      <public_title>Ondansetron for tinnitus</public_title>
      <acronym></acronym>
      <scientific_title>Evaluation of ondansetron in patients with tinnitus: double blind control clinical trial</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2011-05-18</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>60</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/6355</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment.</study_design>
      <phase>2</phase>
      <hc_freetext>Tinnitus.</hc_freetext>
      <i_freetext>Intervention 1: Ondansetron  16mg&#13;
for one month (4 tablets a day). Intervention 2: Placebo (4 tablet a day) for one month.</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></results_IPD_plan>
      <results_IPD_description></results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Shervin Taslimi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>ENT ward,Amiralam hospital, sadi street, Tehran</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 912 387 0602</telephone>
        <email>taslimi@razi.tums.ac.ir</email>
        <affiliation>Tehran University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Shervin Taslimi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>ENT ward,Amiralam hospital, sadi street, Tehran</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 912 387 0602</telephone>
        <email>taslimi@razi.tums.ac.ir</email>
        <affiliation>Tehran University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>The inclusion criteria are: &#13;
1) Patients with at least 6 month of tinnitus &#13;
2) 18 to 65 year old patients&#13;
3) Patients with chief compliant of tinnitus&#13;
4) Patients with sensorineural or normal hearing&#13;
Exclusion criteria:&#13;
1) Patients with severe illnesses and end stage diseases including liver, kidney and heart impairments. Patients with severe psychosis, dementia, cancers and those who are pregnant or lactating.&#13;
2) Patients with excessive problems and ones with psychiatric problems needing psychiatrist visit or ones who had an important surgery recently.&#13;
3) Patients with pulsatile tinnitus&#13;
4) Patients with worsening of tinnitus with head and neck movements&#13;
5) Patients on tinnitus treatment (including sound therapy, complements, drug...) unless still have tinnitus and have been remained on fix dosage of drug for more than acceptable time of action (for medications about 4 weeks).&#13;
 6) Patients with cerumen impaction (unless tinnitus remained after cerumen removal)</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>65 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>H93.1</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Tinnitus</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
      <i_code>Placebo</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Ondansetron  16mg&#13;
for one month (4 tablets a day)</i_keyword>
      <i_keyword>Placebo (4 tablet a day) for one month</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Tinnitus loudness based on VAS. Timepoint: At the beginnig and after 4 week. Method of measurement: Quesionnaire with 0 to 10 score.</prim_outcome>
      <prim_outcome>Tinnitus handicapp scale(THI). Timepoint: At the beginning and after 4 weeks. Method of measurement: Quesionnaire.</prim_outcome>
      <prim_outcome>Tinnitus severity. Timepoint: At the beginnig and after 4 weeks. Method of measurement: Quesionnaire (Tinnitus severity index questionnaire).</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>SDS. Timepoint: At the begining and after 4 weeks. Method of measurement: Audiometry.</sec_outcome>
      <sec_outcome>Depression and anxiety. Timepoint: At the beginning and after 4 weeks. Method of measurement: HADS quesionnaire.</sec_outcome>
      <sec_outcome>Side effect. Timepoint: At the beginnig and after 4 weeks. Method of measurement: Quesionnaire.</sec_outcome>
      <sec_outcome>Tinnitus loudness match. Timepoint: At the beginnig and after 4 weeks. Method of measurement: Audiometry.</sec_outcome>
      <sec_outcome>Tinnitus pich match. Timepoint: At the beginnig and after 4 weeks. Method of measurement: Audiometry.</sec_outcome>
      <sec_outcome>PTA. Timepoint: At the beginnig and after 4 weeks. Method of measurement: Audiometry.</sec_outcome>
      <sec_outcome>SRT. Timepoint: At the begining and after 4 weeks. Method of measurement: Audiomtry.</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>2010-06-26</approval_date>
        <contact_name>Tehran University of Medical Sciences Ethics committee</contact_name>
        <contact_address>Tehran University of Medical Sciences central building, Qods street, Keshavarz Blv. Tehran  Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
