<?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>IRCT20241015063370N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2025-03-14</date_registration>
      <primary_sponsor>Iran University of Medical Sciences</primary_sponsor>
      <public_title>Effect of adding caudal nerve block to lumbar disc laser</public_title>
      <acronym></acronym>
      <scientific_title>The effect of adding caudal neuroplasty to percutaneous laser disc decompression(PLDD) in the management of lumbar radiculopathy, a double-blind randomized clinical trial</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2024-01-21</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>44</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/79582</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization: Block randomization is conducted. At the time of the first visit to the pain clinic, one of the colleagues will place the code for the first 20 patients in one envelope as Group A and the code for the next 20 patients in another envelope as Group B. This colleague will not participate in the follow-up of patients.
Blinding: Another colleague of the project, who is responsible for evaluation, data collection, and follow-up, will be unaware (blind) of the method of patient group randomization. Another project colleague, responsible for the therapeutic intervention, will be unaware (blind) of the grouping or the materials used, Blinding description: Blinding: Another colleague of the project, who is responsible for evaluation, data collection, and follow-up, will be unaware (blind) of the method of patient group randomization. Another project colleague, responsible for the therapeutic intervention, will be unaware (blind) of the grouping or the materials used.
Patients will be unaware and blinded to the type of treatment method. They will know that they will be randomly assigned to one of the two study groups, but they will not know which treatment method will be provided in each group. Patients will be allocated to one of the two groups using a random number table. The data collector, analyst, and outcome evaluator will gather and analyze information based on Groups A and B and will remain unaware of the type of treatment in the groups, maintaining their blinding.</study_design>
      <phase>N/A</phase>
      <hc_freetext>The effect of adding caudal neuroplasty to percutaneous laser disc decompression in the management of lumbar radiculopathy a double-blind randomized clinical trial.</hc_freetext>
      <i_freetext>Intervention 1: Intervention group A: After IV access for crystalloids injection, midazolam (1 mg) is initially administered intravenously for sedation. Initial standard monitoring with non-invasive arterial blood pressure, electrocardiogram, and pulse oximetry is performed. The patient is positioned prone on the operating room table under sterile conditions, and with C-arm imaging guidance, the target disc is identified. After local anesthesia, an 18-gauge disc needle is advanced through the skin in an oblique view with C-arm guidance into the disc. The correct placement of the needle tip is confirmed with AP and lateral views of the C-arm. Then, the needle mandrel is removed, and a laser fiber is inserted through the needle into the disc. The laser is applied with the following specifications: wavelength of 980 nanometers, power of 7 watts, pulse duration of 60 seconds, and interval of 1 second, until a total energy of 1500 joules is delivered. Following the laser energy application, 40 micrograms of ozone in 10 milliliters is injected into the disc through the same needle, and the needle is then withdrawn. This concludes the lumbar disc decompression procedure. Afterward, if the patient has stable hemodynamics, no sensory or motor disturbances, is conscious, can tolerate fluids, and has no complications, they are discharged from recovery. Upon discharge, all patients are prescribed pregabalin 75 mg and vitamin B-1 with a dose of 300 mg. Analgesics are recommended for pain above 3, including oral diclofenac 100 mg, up to 2 tablets per day. Intervention 2: Intervention group B: All procedures are the same as in the first group, with the only difference being that after the injection of ozone into the disc, caudal neuroplasty is performed as follows. In the lateral view of the C-arm, under local anesthesia, an 18-gauge caudal needle is inserted into the sacral hiatus, and after the injection of 1 ml contrast agent (Visipaque), the caudal neuroplasty injection solution, which includes 5 ml of 0.2% ropivacaine and 5 ml of normal saline containing 80 mg of triamcinolone, and 1500 units of hyaluronidase, is administered.</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 is shareable.

When:
Access period will begin 6 months after the publication of results.

To whom:
It will only be available to researchers working in academic and scientific institutions.

Conditions:
Any use that aids patients and advances medical science, while adhering to medical ethics, is permissible.

Where to obtain:
For obtaining the documents, contact ktynshrvni@gmail.com or visit the Pain Research Center at Rasoul Akram Hospital, located in Tehran, Sattarkhan Street, Niyayesh Street, Dr. Farnad Imani.

How to obtain:
After submitting a clear written request and stating the purpose of data access, the data will be provided within 2 weeks upon approval.

Comments:
</results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Prof. Dr. Farnad Imani</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Anesthesiology And Pain Management Research Center,Rasoul Akram Hospital, Niyayesh St,Sattarkhan St</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1445613131</zip>
        <telephone>+98 21 6435 2107</telephone>
        <email>farnadimani@yahoo.com</email>
        <affiliation>Iran University of Medical Sciences</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Prof. Dr. Farnad Imani</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>Anesthesiology And Pain Management Research Center,Rasoul Akram Hospital, Niyayesh St,Sattarkhan St</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip>1445613131</zip>
        <telephone>+98 21 6435 2107</telephone>
        <email>farnadimani@yahoo.com</email>
        <affiliation>Iran University of Medical Sciences</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Age between 30-70years old
low back pain radiating to the lower limb for 3 months without response to maintenance treatment
Disc buldging in MRI
Informed consent</inclusion_criteria>
      <agemin>30 years</agemin>
      <agemax>70 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria>Previous surgery at the same disc level
Caudaequina syndrome
Vertebral listhesis
Tumor
Infection
Vertebral fracture
Pregnancy
Severe mental and physical illness
Dissatisfaction</exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>M54.1</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Radiculopathy</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Other</i_code>
      <i_code>Treatment - Other</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Intervention group A: After IV access for crystalloids injection, midazolam (1 mg) is initially administered intravenously for sedation. Initial standard monitoring with non-invasive arterial blood pressure, electrocardiogram, and pulse oximetry is performed. The patient is positioned prone on the operating room table under sterile conditions, and with C-arm imaging guidance, the target disc is identified. After local anesthesia, an 18-gauge disc needle is advanced through the skin in an oblique view with C-arm guidance into the disc. The correct placement of the needle tip is confirmed with AP and lateral views of the C-arm. Then, the needle mandrel is removed, and a laser fiber is inserted through the needle into the disc. The laser is applied with the following specifications: wavelength of 980 nanometers, power of 7 watts, pulse duration of 60 seconds, and interval of 1 second, until a total energy of 1500 joules is delivered. Following the laser energy application, 40 micrograms of ozone in 10 milliliters is injected into the disc through the same needle, and the needle is then withdrawn. This concludes the lumbar disc decompression procedure. Afterward, if the patient has stable hemodynamics, no sensory or motor disturbances, is conscious, can tolerate fluids, and has no complications, they are discharged from recovery. Upon discharge, all patients are prescribed pregabalin 75 mg and vitamin B-1 with a dose of 300 mg. Analgesics are recommended for pain above 3, including oral diclofenac 100 mg, up to 2 tablets per day.</i_keyword>
      <i_keyword>Intervention group B: All procedures are the same as in the first group, with the only difference being that after the injection of ozone into the disc, caudal neuroplasty is performed as follows. In the lateral view of the C-arm, under local anesthesia, an 18-gauge caudal needle is inserted into the sacral hiatus, and after the injection of 1 ml contrast agent (Visipaque), the caudal neuroplasty injection solution, which includes 5 ml of 0.2% ropivacaine and 5 ml of normal saline containing 80 mg of triamcinolone, and 1500 units of hyaluronidase, is administered.</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Assessment of Pain Intensity. Timepoint: before intervention, two weeks after, one month after, three months after intervention. Method of measurement: Visual Analogue Scale.</prim_outcome>
      <prim_outcome>Lasegue. Timepoint: before intervention, two weeks after, one month after, three months after intervention. Method of measurement: The test in which raising the leg creates pain in the lower limb and the angle at which the pain is generated is recorded.</prim_outcome>
      <prim_outcome>Level of function (disability) in activities of daily living. Timepoint: before intervention, two weeks after, one month after, three months after intervention. Method of measurement: The Oswestry Disability Index (ODI) a questionnaire which gives a subjective percentage scorelevel of function (disability) in activities of daily living in those rehabilitating from low back pain.</prim_outcome>
      <prim_outcome>Amount Of Painkillers Consumption. Timepoint: before intervention, two weeks after, one month after, three months after intervention. Method of measurement: It is recorded by a questionnaire.</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>Iran University of Medical Sciences</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2024-01-01</approval_date>
        <contact_name>Ethic committee of Iran University of Medical Science</contact_name>
        <contact_address>Hemat Highway next to Milad Tower،Ethic Committee of Iran University of Medical Science Tehran Tehran Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
