<?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>IRCT20210901052358N2</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2022-03-08</date_registration>
      <primary_sponsor>Shahid Beheshti University of Medical Sciences</primary_sponsor>
      <public_title>Evaluation of the efficacy of Hydroxyurea administration on blood oxygen saturation of COVID-19 patients</public_title>
      <acronym></acronym>
      <scientific_title>Evaluation of the efficacy of Hydroxyurea administration on blood oxygen saturation of hospitalized patients with severe COVID-19</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2022-03-21</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>10</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/62110</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Treatment.</study_design>
      <phase>N/A</phase>
      <hc_freetext>COVID-19.</hc_freetext>
      <i_freetext>Intervention group: This study is performed on only one group of patients who all receive hydroxyurea tablets (500 mg three times a day) in addition to the usual COVID-19 treatments according to the national guideline. Usual treatments include serum therapy, vitamins, supplemental oxygen, and remdesivir (200 mg intravenously for first day and 100 mg daily intravenously for the next 4 days)..</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>Undecided - It is not yet known if there will be a plan to make this available</results_IPD_plan>
      <results_IPD_description>Justification or reason for indecision in sharing IPD is There is no more information.</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Amirreza Keyvanfar</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No. 2, 2nd east Ave., Imam Reza St., Takhti St., Ashrafi esfahani Highway.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1477695469</zip>
        <telephone>+98 21 4483 1899</telephone>
        <email>amirrezakeyvanfar@yahoo.com</email>
        <affiliation>Shahid Beheshti University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Amirreza Keyvanfar</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No. 2, 2nd east Ave., Imam Reza St., Takhti St., Ashrafi esfahani Highway.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1477695469</zip>
        <telephone>+98 21 4483 1899</telephone>
        <email>amirrezakeyvanfar@yahoo.com</email>
        <affiliation>Shahid Beheshti University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Laboratory confirmation of Coronavirus disease-19 (COVID-19) virus by reverse transcription- polymerase chain reaction (RT-PCR)
Oxygen saturation less than 90%
Respiratory rate more than 24 per minute
More than 50% involvement of the lung parenchyma on CT scan</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>no limit</agemax>
      <gender>Both</gender>
      <exclusion_criteria>White blood cell count less than 2500 million cells per microliter
Absolute neutrophil count less than 1000 million cells per microliter
Platelet count less than 80,000 cells per microliter
More than 50% increase in creatinine compared to the amounts of admission time
Pregnancy
Active hepatitis B or C infections</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>U07.1</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>COVID-19, virus identified</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group: This study is performed on only one group of patients who all receive hydroxyurea tablets (500 mg three times a day) in addition to the usual COVID-19 treatments according to the national guideline. Usual treatments include serum therapy, vitamins, supplemental oxygen, and remdesivir (200 mg intravenously for first day and 100 mg daily intravenously for the next 4 days).</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Peripheral blood oxygen saturation. Timepoint: Every other day after starting treatment (up to a week). Method of measurement: Pulseoxymeter.</prim_outcome>
      <prim_outcome>Hemoglobin F levels. Timepoint: Every other day after starting treatment (up to a week). Method of measurement: Hemoglobin electrophoresis.</prim_outcome>
      <prim_outcome>Blood cell count. Timepoint: Every other day after starting treatment (up to a week). Method of measurement: Laboratory report.</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>Shahid Beheshti University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2021-06-13</approval_date>
        <contact_name>Organizational Committee of Ethics in Biomedical Research, Shahid Beheshti University of Medical Sci</contact_name>
        <contact_address>Shahid Beheshti University of medical sciences, Arabi St., Daneshjoo Blvd,. Yaman St,. Chamran highway. Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
