<?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>IRCT138708261457N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2007-12-22</date_registration>
      <primary_sponsor>Mazandaran University of Medical Sciences</primary_sponsor>
      <public_title>Tramadol versus Methadone for the Management of Severe Heroin Withdrawal</public_title>
      <acronym></acronym>
      <scientific_title>Tramadol versus Methadone for the Management of Severe Heroin Withdrawal</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2007-12-22</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>70</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/719</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment.</study_design>
      <phase>2</phase>
      <hc_freetext>Heroin Withdrawal.</hc_freetext>
      <i_freetext>Intervention 1: Methadone (60 mg/day) for 3 days and then the dose was gradually lowered (tapered 20% per 48 hours from the initial dose) until the end of 2nd week when it was discontinued. Intervention 2: Tramadol (600 mg/day) for 3 days and then the dose was gradually lowered (tapered 20% per 48 hours from the initial dose) until the end of 2nd week when it was discontinued.</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>Mehran Zarghami</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Zare Hospital, Neka Road</address>
        <city>Sari</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>4815466848</zip>
        <telephone>+98 15 1226 3763</telephone>
        <email>mzarghami@mazums.ac.ir   &amp;   mehran.zarghami@gmail.com</email>
        <affiliation>Mazandaran University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Mehran Zarghami</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Zare Hospital Neka Road</address>
        <city>Sari</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>4815466848</zip>
        <telephone>+98 15 1226 3763</telephone>
        <email>mzarghami@mazums.ac.ir   &amp;   mehran.zarghami@gmail.com</email>
        <affiliation>Mazandaran University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Inclusion criteria: DSM-IV-TR criteria for opioids dependence, current heroin dependence (i.e. withdrawal symptoms), age more than 18 years old&#13;
Exclusion criteria: physical illness that needed tramadol and/or methadone consumption, using other substances except nicotine (other opioids, cannabinoids, alcohol and benzodiazepines etc.), major psychiatry disorders such as mood disorders (unipolar and bipolar), anxiety and psychotic disorders, major physical diseases such as hepatitis, tuberculosis, AIDS and so on, history of seizures</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>65 years</agemax>
      <gender>Male</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>F11.3</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Mental and behavioural disorders due to psychoactive substance use (withdrawal state)</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
      <i_code>Treatment - Drugs</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Methadone (60 mg/day) for 3 days and then the dose was gradually lowered (tapered 20% per 48 hours from the initial dose) until the end of 2nd week when it was discontinued</i_keyword>
      <i_keyword>Tramadol (600 mg/day) for 3 days and then the dose was gradually lowered (tapered 20% per 48 hours from the initial dose) until the end of 2nd week when it was discontinued</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Management of heroin withdrawal. Timepoint: days 4, 6, 8, 10, 14. Method of measurement: Objective Opioid Withdrawal Scale (OOWS).</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>Risk of respiratory depression. Timepoint: days 4, 6, 8, 10, 14. Method of measurement: physical examination and checklist.</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>Mazandaran University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2007-12-11</approval_date>
        <contact_name>Ethics committee, Vice Chancellor for Research</contact_name>
        <contact_address>Building No 2, Mazandaran University of Medical Sciences, Moallem Square, Sari, Mazandaran, IR Iran Sari  Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
