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CTRI Number  CTRI/2025/04/084452 [Registered on: 09/04/2025] Trial Registered Prospectively
Last Modified On: 10/03/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   Study to evaluate the Efficacy, safety, and bioavailability of Tizanidine Sublingual Tablets 1 mg in sleep disorder patients. 
Scientific Title of Study   A Single-centre, interventional, prospective, single-arm study to evaluate the efficacy, safety, and bioavailability of Tizanidine Sublingual Tablets 1 mg in sleep disorder patients 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
001-25, Version No.: 01, dated 06 Mar 2025  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr D Tejo Swaroop Kumar 
Designation  Principal Investigator 
Affiliation  Noah Therapeutics Private Limited 
Address  Noah Therapeutics Private Limited
D.No.7-1-645/A, Sanathnagar, Erragadda,
Hyderabad
TELANGANA
500018
India 
Phone  09958509329  
Fax    
Email  tejoswaroopd@noahtherapeutics.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr D Tejo Swaroop Kumar 
Designation  Principal Investigator 
Affiliation  Noah Therapeutics Private Limited 
Address  Noah Therapeutics Private Limited
D.No.7-1-645/A, Sanathnagar, Erragadda,
Hyderabad
TELANGANA
500018
India 
Phone  09958509329  
Fax    
Email  tejoswaroopd@noahtherapeutics.com  
 
Details of Contact Person
Public Query
 
Name  Dr D Tejo Swaroop Kumar 
Designation  Principal Investigator 
Affiliation  Noah Therapeutics Private Limited 
Address  Noah Therapeutics Private Limited
D.No.7-1-645/A, Sanathnagar, Erragadda,
Hyderabad
TELANGANA
500018
India 
Phone  09958509329  
Fax    
Email  tejoswaroopd@noahtherapeutics.com  
 
Source of Monetary or Material Support  
Wishmen Lifesciences Pvt. Ltd., P. No. 4 & 4/a, 8-2-293, Road No.-14, Banjara Hills, Hyderabad, Khairtabad, Telangana, India, 500034 Email: drpavan@wishmen.life 
 
Primary Sponsor  
Name  Wishmen Lifesciences Pvt Ltd 
Address  P. No. 4 & 4/a, 8-2-293, Road No.-14, Banjara Hills, Hyderabad, Khairtabad, Telangana, India, 500034 Email: drpavan@wishmen.life 
Type of Sponsor  Pharmaceutical industry-Indian 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr D Tejo Swaroop Kumar  Noah Therapeutics Private Limited  D.No.7-1-645/A, Sanathnagar, Erragadda, Hyderabad, Telangana -500018 (India) Phone No.: +91 9958509329
Hyderabad
TELANGANA 
09958509329

tejoswaroopd@noahtherapeutics.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Ethics Committee, St. Theresa’s Hospital  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Sleep disorder patients otherwise healthy 
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Not Applicable  Not Applicable 
Intervention  Tizanidine Sublingual Tablets 1 mg  one unit of Tizanidine Sublingual Tablet 1 mg will be dosed per day. The total duration of the treatment will be 14 days. 
 
Inclusion Criteria  
Age From  40.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Age 40 to 60 years (Male and/or non-pregnant, non-lactating female).
2. Non-smokers
3. Non-alcoholics
4. Patients with sleeping disturbance or disorder
5. Patients with a BMI between 18.5 – 30.0 kg/m2 (inclusive of both).
6. Healthy according to the laboratory results and physical examination, performed within Day -7 to Day 0.
7. Patients having normal 12-lead electrocardiogram (ECG).
8. Patients having normal chest X- Ray (P/A view).
9. A negative urine drug screening result for drug abuse.
10. A negative urine alcohol test result.
11. Patients able to communicate effectively.
12. Patients willing to give written informed consent and adhere to all the requirements of this
protocol.
13. Ability to fast for at least 10.00 hours before dosing, 04.00 hours post dose and consume
standard meals on visit 1.
14. If study Patient is a female and is of child bearing potential practicing an acceptable method
of birth control for the duration of the study as judged by the investigator(s), such as condoms, foams, jellies, diaphragm, intrauterine device (IUD), or abstinence:
Or
Is postmenopausal for at least 1 year.
Or
Is surgically sterile (bilateral tubal ligation, bilateral oophorectomy, or hysterectomy has been performed on the study subject).
 
 
ExclusionCriteria 
Details  1. Patients had a history of allergy to tizanidine or any inactive component.
2. Patients with significant abnormalities in screening clinical laboratory parameters.
3. Patients had orthopedic surgery within 6 weeks of screening.
4. Patients had concurrent use of oral tizanidine or other anti-spasticity medications e.g. Baclofen, Neurontin.
5. Patients had history or current use of any Diazepam derivates
6. Patients had co-morbid conditions or other neurological disorders that would confound assessment of clinical parameters (e.g. epilepsy).
7. Consumed caffeine and /or xanthine-containing foods or beverages (i.e., coffee, tea, and
caffeine-containing sodas, colas, etc.), grape fruit juice and poppy containing foods for at
least 48.00 hours prior to initiation of the study and unwilling to follow throughout the study.
8. Patients who are non-cooperative or parents/legal guardians were unwilling to sign consent form.
9. History or presence of any medical condition or disease according to the opinion of the physician.
10. History or presence of significant cardiovascular, pulmonary, hepatic, renal, gastrointestinal, endocrine, immunological, dermatological, neurological or psychiatric disease or disorder.
11. Patients who are on strong CYP1A2 inhibitors (e.g., such as zileuton, other fluoroquinolones, antiarrythmics (amiodarone, mexiletine, propafenone and verapamil), cimetidine, famotidine oral contraceptives, acyclovir and ticlopidine).
12. History of cholestatic jaundice/hepatic dysfunction.
13. History or presence of allergy or bronchial asthma.
14. History of exacerbation of symptoms of myasthenia gravis.
15. History or presence of significant alcoholism or drug abuse.
16. Difficulty with donating blood or difficulty in accessibility of veins.
17. History of dehydration from diarrhea, vomiting or any other reason within a period of 24.00 hours prior to study check-in.
18. An unusual or abnormal diet within 48.00 hours prior to study check-in., for whatever reason
e.g., because of fasting due to religious reasons.
19. Systolic blood pressure less than 90 mm Hg or more than 140 mm Hg.
20. Diastolic blood pressure less than 60 mm Hg or more than 90 mm Hg.
21. Pulse rate less than 60 beats/minute or more than 100 beats/minute.
22. Respiratory rate less than 14 breathes per minute or more than18 breathes per minute.
23. Use of any prescribed medication during last two weeks or 5 half-life of that particular drug
whichever is higher before dosing and unwilling to follow throughout the study.
24. Use of any OTC medication during last two weeks or 5 half-life of that particular drug
whichever is higher before dosing and unwilling to follow throughout the study.
25. Major illness during 90 days before screening.
26. Participation in a drug research study within past 90 days.
27. Donation of blood in the past 90 days prior to study check-in.
28. Pregnancy or lactating Women(In case of Female participants). 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. Sleep efficiency, NREM and REM sleep cycle for insomnia condition, heart and breathing rate and pulse oxygen levels by polysomnography.
2. Quality of life shall be assessed by using Epworth sleeping scale.
3. Sleep quality shall be assessed by using Pittsburgh Sleep Quality Index (PSQI).
4. Sleep diary
5. Bioavailability 
At Baseline, Day 1 and Day 14. 
 
Secondary Outcome  
Outcome  TimePoints 
Safety of Tizanidine Sublingual Tablets 1 mg  Baseline & at check-in, 0.00, 1.00, 3.00 & 7.00 hours on Day 1 & day 2, day 15. 
 
Target Sample Size   Total Sample Size="18"
Sample Size from India="18" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   21/04/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="0"
Days="16" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   This study is a single-center, interventional, prospective, single-arm study to evaluate the efficacy, safety, and bioavailability of Tizanidine Sublingual Tablets 1 mg in sleep disorder patients of investigator-initiated trial. The primary objective is to evaluate the sleep efficiency, sleep time and bioavailability of Tizanidine Sublingual Tablets 1 mg in sleep disorder patients. The secondary objective is to monitor the safety and tolerability of the test product in non-smoking and non-alcoholic sleep disorder patients. The primary outcome measures are Sleep efficiency, NREM and REM sleep cycle for Insomnia condition and with Tizanidine treatment, Heart and breathing rate changes, Pulse oxygen levels by Polysomnography on Day 0 and Day 14. Quality of life shall be assessed by using Epworth sleeping scale (ESS), Sleep quality shall be assessed by using Pittsburgh Sleep Quality Index (PSQI) on Day 0 and Day 14. Bioavailability shall also assessed by collecting samples on Day 1 and Day 2. Assessment of safety will be done by laboratory evaluations and vitals and well-being questionnaire. The total number of subjects shall be 18. The treatment duration will be 14 days and the total duration of the study shall be 16 days. 
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