<?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>IRCT138905024440N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2010-10-11</date_registration>
      <primary_sponsor>Vice Chancellor for Research of Dental School, Isfahan University of Medical Sciences</primary_sponsor>
      <public_title>A comparison of anesthetic efficacy of combined local anesthetic and ketamine in patients with irreversible pulpitis in the posterior mandibular teeth</public_title>
      <acronym></acronym>
      <scientific_title>A comparison of anesthetic efficacy of combined local anesthetic and ketamine in patients with irreversible pulpitis in the posterior mandibular teeth</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2010-08-01</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>40</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/4739</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive.</study_design>
      <phase>2-3</phase>
      <hc_freetext>Irreversible pulpitis.</hc_freetext>
      <i_freetext>Intervention 1: Two dental cartridges of 2% Articaine combined with 20mg of Ketamine. Intervention 2: Two dental cartridges of 2% Articaine combined with 0.2ml normal saline.</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>Vahid Sakhaei manesh</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Dental School, Isfahan University of Medical Sciences, Hezar Jarib Street</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 936 552 1098</telephone>
        <email>sakhaei@dnt.mui.ac.ir</email>
        <affiliation>Dental School, Isfahan University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Dr. Abbasali Khademi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Hezar Jarib Street</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 31 1792 2821</telephone>
        <email>a_khademi@dnt.mui.ac.ir</email>
        <affiliation>Department of Endodontics, Dental School, Isfahan University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Inclusion criteria: Patients aged 18-50 years, in healthy condition (ASA I or ASA II), having a posterior mandibular tooth (premolar or molar tooth) with a vital pulp and diagnosed as irreversible pulpitis, without severe periodontal disease, without any periapical pathological defect as seen in the radiograph of the tooth, without any contraindications for the drugs and substanses used in the study.  &#13;
Exclusion criteria: Patients showing signs of pulp necrosis upon access cavity opening, patients showing any signs or symptoms of allergy or any adverse effects, patients refusing to continue at any stage point.</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>50 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>K04.0</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Pulpitis</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
      <i_code>Placebo</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Two dental cartridges of 2% Articaine combined with 20mg of Ketamine</i_keyword>
      <i_keyword>Two dental cartridges of 2% Articaine combined with 0.2ml normal saline</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Pain. Timepoint: Before and 15 minutes after administration of the local anesthetic. Method of measurement: Visual Analogue Scale (VAS).</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>Pulpal anesthesia. Timepoint: Before and 15 minutes after administration of the local anesthetic. Method of measurement: Pulp tester.</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>Vice Chancellor for Research of Dental School, Isfahan University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date></approval_date>
        <contact_name>Dental School Ethics Committee, Isfahan University of Medical Sciences</contact_name>
        <contact_address>Vice Chancellor for Research of Dental School, Isfahan University of Medical Sciences Isfahan  Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
