<?xml version="1.0" encoding="utf-8"?>
<trials>
  <trial>
    <main>
      <trial_id>TCTR20210730002</trial_id>
      <utrn/>
      <reg_name>TCTR</reg_name>
      <date_registration>30/07/2021</date_registration>
      <primary_sponsor>Faculty of Medicine, Thammasat University</primary_sponsor>
      <public_title>Bronchodilator effect of oral doxofylline and procaterol in asthma: A randomized crossover study</public_title>
      <acronym/>
      <scientific_title>Bronchodilator effect of oral doxofylline and procaterol in asthma : A randomized crossover study</scientific_title>
      <scientific_acronym/>
      <date_enrolment>01/08/2021</date_enrolment>
      <type_enrolment>Actual</type_enrolment>
      <target_size>20</target_size>
      <recruitment_status>Completed</recruitment_status>
      <url>www.thaiclinicaltrials.org/show/TCTR20210730002</url>
      <study_type>Interventional</study_type>
      <study_design>Randomized </study_design>
      <phase>Phase 4</phase>
      <hc_freetext>Asthma&#13;
Bronchodilator</hc_freetext>
      <i_freetext>Doxofylline 400 mg oral 2 times/days for 2 weeks,Procaterol 50 mcg oral 2 times/days for 2 weeks</i_freetext>
      <results_actual_enrolment>21</results_actual_enrolment>
      <results_date_completed>31/12/2022</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>No</results_IPD_plan>
      <results_IPD_description>No source of data sharing</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Narongkorn</firstname>
        <middlename/>
        <lastname>Saiphoklang</lastname>
        <address>99/209 Paholyotin Road</address>
        <city>Pathum Thani</city>
        <country1>Thailand</country1>
        <zip>12120</zip>
        <telephone>6629269794</telephone>
        <email>M_narongkorn@hotmail.com</email>
        <affiliation>Thammasat University</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Narongkorn</firstname>
        <middlename/>
        <lastname>Saiphoklang</lastname>
        <address>99/209 Paholyotin Road</address>
        <city>Pathum Thani</city>
        <country1>Thailand</country1>
        <zip>12120</zip>
        <telephone>6629269794</telephone>
        <email>M_narongkorn@hotmail.com</email>
        <affiliation>Thammasat University</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Thailand</country2>
    </countries>
    <criteria>
      <inclusion_criteria>1. Age 18 years or more, 2. asthma diagnosis based on criteria of Global Initiative for Asthma (GINA), 3. Treatment with inhaled corticosteroid  (ICS) or ICS plus long-acting beta2-agonists (ICS/LABA) </inclusion_criteria>
      <agemin>18 Years</agemin>
      <agemax> N/A (No limit)</agemax>
      <gender>Both</gender>
      <exclusion_criteria>1. Smoking 10 pack-years or more, 2. Inability to perform spirometry, 3. FEV1 50% or less, 4. Asthma exacerbation within 3 months, 5. Treatment with systemic  corticosteroid within 3 months, 6. Treatment with monoclonal anti-IgE (omalizumab) within 3 months, 7. Treatment with Salbutamol, Procaterol, Theophylline, Doxofylline within 1 week, 8. One of the following diseases or conditions: lung fibrosis, cardiac arrhythmia, chronic kidney disease (GFR&amp;lt;50 mL/min), chronic liver disease (AST, ALT, bilirubin, alkaline phosphatase, or GGT 1.5 x upper limit of normal), active malignancy, uncontrolled hypertension (blood pressure 200/100 mmHg or more), thyrotoxicosis, 9. preganancy or lactation</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code/>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Asthma&#13;
Bronchodilator</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Experimental Drug,Active Comparator Drug</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Doxofylline,Procaterol </i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>FEV1 At the beginning of study, at week 2 liters,FEV1 At the beginning of study, at week 2 Percentage</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>PEF At the beginning of study, at week 2 L/s,FVC At the beginning of study, at week 2 Percentage,FEF25-75 At the beginning of study, at week 2 L/s,FEV1/FVC At the beginning of study, at week 2 Percentage,Asthma Control Questionnaire-5 (ACQ-5)  At the beginning of study, at week 2 Points,Asthma Control Test (ACT)  At the beginning of study, at week 2 Points,Asthma exacerbation rate At the beginning of study, at week 2 events,Drug adverse event At the beginning of study, at week 2 events</sec_outcome>
    </secondary_outcome>
    <secondary_sponsor>
      <sponsor_name/>
    </secondary_sponsor>
    <secondary_ids>
      <secondary_id>
        <sec_id>Nil Known</sec_id>
        <issuing_authority/>
      </secondary_id>
    </secondary_ids>
    <source_support>
      <source_name>Faculty of Medicine, Thammasat University</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Submitted, approved</status>
        <approval_date>19/07/2021</approval_date>
        <contact_name>The Human Research Ethics Committee of Thammasat University (Medicine)</contact_name>
        <contact_address>99/209 Paholyotin Road, Klong Luang, Pathum Thani, Thailand 12120</contact_address>
        <contact_phone>6629269704 Ext. 7535</contact_phone>
        <contact_email>ec.medtu@gmail.com</contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
