<?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>IRCT20150503022068N3</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2020-01-05</date_registration>
      <primary_sponsor>Kharazmi University</primary_sponsor>
      <public_title>Comparison of the effects of hip and knee strengthening with internal and external instruction exercises on pain and performance in patients with patellofemoral pain syndrome</public_title>
      <acronym>PFPS</acronym>
      <scientific_title>Comparison of the effects of hip and knee strengthening with internal and external instruction exercises on pain and performance in patients with patellofemoral pain syndrome</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2019-12-31</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>75</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/41699</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Other design features: None, Randomization description: Samples are selected according to the criteria for entering the research and are randomly divided into three groups, Blinding description: Outcome evaluator, Participants, Researcher and data analyzer are kept blind. The assessor was blinded to the group allocation.</study_design>
      <phase>N/A</phase>
      <hc_freetext>Patellofemoral pain syndrome.</hc_freetext>
      <i_freetext>Intervention 1: Control group: Thirty minutes of hip and knee strengthening each session. Intervention 2: Intervention group: Thirty minutes of hip and knee strengthening with internal instruction exercises each session. Intervention 3: Intervention group: Thirty minutes of hip and knee strengthening with external instruction exercises each session.</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:
Only part of the data, such as dependent variables,The average of all samples, can be shared in scientific articles.

When:
The date of access is April 2020.

To whom:
Personal information is confidential and General outcomes in paper form Available to everyone.

Conditions:
Information is not available to anyone.General outcomes in paper form Available to everyone.

Where to obtain:
Fatemeh Aghakeshizadeh Phone: 09142366537 Email: std_aghakeshizadefateme@khu.ac.ir

How to obtain:
-

Comments:
-</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Fatemeh Aghakeshizadeh</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Center for Human Movement Sciences Kharazmi University Mirdamad, Sout Razan Street, Hesari Street ,Keshvari Sport complex Tehran, Iran</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>-</zip>
        <telephone>+98 21 2222 8001</telephone>
        <email>std_aghakeshizadefateme@khu.ac.ir</email>
        <affiliation>Center for Human Movement Sciences Kharazmi University</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Fatemeh Aghakeshizadeh</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Center for Human Movement Sciences Kharazmi University Mirdamad, Sout Razan Street, Hesari Street ,Keshvari Sport complex Tehran, Iran</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>-</zip>
        <telephone>+98 21 2222 8001</telephone>
        <email>std_aghakeshizadefateme@khu.ac.ir</email>
        <affiliation>Center for Human Movement Sciences Kharazmi University</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>they had anterior knee pain for at least 3 months
reported increase pain for 2 or more activities These activities included ascending and descending stairs, squatting, kneeling, long periods of sitting
pain on palpation of the medial and/or lateral facet of the patella.
positive Clarc Test</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>45 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria>neurological disorder
injury to the hip, ankle, or lumbosacral region
heart condition
previous surgery involving the lower extremities
if theywere pregnant
other knee pathologies, such as patellar instability,patellofemoral dysplasia, meniscal or ligament tears
those who exhibited a leg length difference of more than 1 cm when measured in supine, from the anterior superior iliac spine to the medial malleolus.
osteoarthritis, or tendinopathies</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>M22.2X</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Patellofemoral disorders</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Rehabilitation</i_code>
      <i_code>Rehabilitation</i_code>
      <i_code>Rehabilitation</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Control group: Thirty minutes of hip and knee strengthening each session</i_keyword>
      <i_keyword>Intervention group: Thirty minutes of hip and knee strengthening with internal instruction exercises each session</i_keyword>
      <i_keyword>Intervention group: Thirty minutes of hip and knee strengthening with external instruction exercises each session</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Pain. Timepoint: Before and after the intervention. Method of measurement: VAS.</prim_outcome>
      <prim_outcome>Function. Timepoint: Before and after the intervention. Method of measurement: Kujala questionnaire.</prim_outcome>
      <prim_outcome>Muscle strength of the Hip abductors and external rotators. Timepoint: Before and after the intervention. Method of measurement: handheld dynamometer.</prim_outcome>
      <prim_outcome>Dynamic knee valgus angle. Timepoint: Before and after the intervention. Method of measurement: using two-dimensional motion analysis systems.</prim_outcome>
      <prim_outcome>Lower limb kinematics during walking. Timepoint: Before and after the intervention. Method of measurement: using two-dimensional motion analysis systems.</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>Kharazmi University</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2019-12-15</approval_date>
        <contact_name>Ethics committee of Kharazmi University</contact_name>
        <contact_address>Center for Human Movement Sciences Kharazmi University Mirdamad, Sout Razan Street, Hesari Street ,Keshvari Sport complex Tehran, Iran Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
