<?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>IRCT20200217046523N7</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2020-12-22</date_registration>
      <primary_sponsor>Esfahan University of Medical Sciences</primary_sponsor>
      <public_title>Prevalence and causes of persistent pain in patients after total knee arthroplasty</public_title>
      <acronym></acronym>
      <scientific_title>Prevalence and causes of persistent pain in patients after total knee arthroplasty in one year follow-up</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2020-12-24</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>300</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/52707</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Treatment.</study_design>
      <phase>2-3</phase>
      <hc_freetext>Osteoarthritis.</hc_freetext>
      <i_freetext>Intervention group: Patients in this group undergo total knee arthroplasty surgery. Patients' pain before and one month, three months and one year after the intervention is measured by the Western Ontario and McMaster Osteoarthritis Index..</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>Yes - There is a plan to make this available</results_IPD_plan>
      <results_IPD_description>What will be shared:
All data can be shared after people have requested.

When:
Six months after publishing the results.

To whom:
Academic researchers

Conditions:
Scientific uses

Where to obtain:
Isfahan University of Medical Sciences website

How to obtain:
Clear request on the site to access the data by the individual and then review the request by the research assistant within 2 weeks and then allow access to the data.

Comments:
</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Mehdi Motififard</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No. 22, Roshd Ave., Daneshgah Blvd., Isfahan</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>8174673461</zip>
        <telephone>+98 31 3337 7986</telephone>
        <email>motififard@med.mui.ac.ir</email>
        <affiliation>Esfahan University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Mehdi Motififard</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No. 22, Roshd Ave., Daneshgah Blvd., Isfahan</address>
        <city>Isfahan</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>8174673461</zip>
        <telephone>+98 31 3337 7986</telephone>
        <email>motififard@med.mui.ac.ir</email>
        <affiliation>Esfahan University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Patient Candidate for Knee Replacement Surgery (TKA)
Knee pain due to severe osteoarthritis with and without severe deformity
Severe pain due to chondrocalcinosis and pseudogout
Severe patellofemoral arthritis in the elderly
Having informed consent of patients to participate in the study</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>60 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria>Active or recent knee infection
Active infection in another specific part of the body
Extensor mechanism disorder
Recurvatum due to muscular problem
Functional and painless arthrodesis</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>M16</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Osteoarthritis of hip</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Surgery</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group: Patients in this group undergo total knee arthroplasty surgery. Patients' pain before and one month, three months and one year after the intervention is measured by the Western Ontario and McMaster Osteoarthritis Index.</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Pain. Timepoint: Before and one month and three months and one year after the intervention. Method of measurement: Western Ontario and McMaster Osteoarthritis Index.</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>Esfahan University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2020-11-25</approval_date>
        <contact_name>Ethics committee of Esfahan university of Medical sciences</contact_name>
        <contact_address>No. 18, Hezar Jarib Ave., Daneshgah Blvd., Isfahan Isfahan Isfehan Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
