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CTRI Number  CTRI/2023/11/059563 [Registered on: 06/11/2023] Trial Registered Prospectively
Last Modified On: 06/05/2024
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   VTX958 for the Treatment of Moderately to Severely Active Crohns Disease 
Scientific Title of Study   A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Efficacy and Safety of VTX958 in Participants with Moderately to Severely Active Crohn’s Disease 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
CT/23/000028  DCGI 
2022-003365-38  EudraCT 
VTX958-202, version 2.0, 29 Nov 2022  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Radhika Bobba  
Designation  Regional Director, India and Far East 
Affiliation  PSI CRO pharma India Pvt Ltd 
Address  PSI CRO Pharma India Pvt Ltd, 414 Shree complex, 73, St Johns Road, Bangalore, India- 560042

Bangalore
KARNATAKA
560042
India 
Phone  9844058849  
Fax    
Email  Radhika.Bobba@psi-cro.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Radhika Bobba  
Designation  Regional Director, India and Far East 
Affiliation  PSI CRO pharma India Pvt Ltd 
Address  PSI CRO Pharma India Pvt Ltd, 414 Shree complex, 73, St Johns Road, Bangalore, India- 560042


KARNATAKA
560042
India 
Phone  9844058849  
Fax    
Email  Radhika.Bobba@psi-cro.com  
 
Details of Contact Person
Public Query
 
Name  Dr Radhika Bobba  
Designation  Regional Director, India and Far East 
Affiliation  PSI CRO pharma India Pvt Ltd 
Address  PSI CRO Pharma India Pvt Ltd, 414 Shree complex, 73, St Johns Road, Bangalore, India- 560042


KARNATAKA
560042
India 
Phone  9844058849  
Fax    
Email  Radhika.Bobba@psi-cro.com  
 
Source of Monetary or Material Support  
Ventyx Biosciences, Inc. 662 Encinitas Blvd, Suite 250 Encinitas, California 92024 United States 
 
Primary Sponsor  
Name  PSI CRO Pharma India Pvt Ltd 
Address  414 Shree complex, 73, St Johns Road, Bangalore, India- 560042  
Type of Sponsor  Contract research organization 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     Australia
Belgium
Brazil
Bulgaria
Canada
Czech Republic
France
Georgia
Germany
Hungary
India
Israel
Italy
Lithuania
Poland
Serbia
Slovakia
Spain
United States of America  
Sites of Study  
No of Sites = 4  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Ajit Sood  Dayanand Medical College and Hospital  Department of Gastroenterology, Tagore Nagar, Civil Lines,Ludhiana-141001, Punjab, India
Ludhiana
PUNJAB 
9815400718

ajitsood10@gmail.com 
Dr Nitin Shankar Behl  Fortis Hospital  Chandigarh Road, near Radha Soami Satsang Beas,Mundian Khurd, Ludhiana-141015,Punjab, India
Ludhiana
PUNJAB 
8427000080

drnitinbehl@gmail.com 
Dr Ajay Kumar Patwa  King George Medical University  2nd floor Department of Medicine, King George Medical University Chowk, Lucknow-226003, Uttar Pradesh, India
Lucknow
UTTAR PRADESH 
9455519306

drajaymd12345@gmail.com 
Dr Kabrawala Mayank Vasantlal  Surat Institute of Digestive Sciences (SIDS)  Vijay Nagar Gate No-3,Besides NirmanBhavan, Opposite Gandhi College,Surat-395002, Gujarat, India
Surat
GUJARAT 
02612800000

mayankkabrawala@hotmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 4  
Name of Committee  Approval Status 
Drug Trial Ethics Committee Dayanand Medical College and Hospital  Submittted/Under Review 
Institutional Ethics Committee Fortis Hospital  Submittted/Under Review 
Institutional Ethics Committee King Georges Medical University  Submittted/Under Review 
Surat Institute of digestive sciences Ethics Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K509||Crohns disease, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Placebo  Not applicable  
Intervention  VTX958  Doses 225mg, 300mg BID Orally - Study drug should be taken by participants with approximately 240 mL (one cup) of water twice a day in the morning and evening (12 hours apart). The study drug can be taken with or without food. All doses on clinical days should be administered in the clinic, unless otherwise indicated. The maximum duration of treatment will be 36 months, including the Induction, Maintenance, and OLE Periods.  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  1. Men or women, 18 to 75 years of age, inclusive, at the time of consent
2. Capable of giving signed informed consent
3. Documented diagnosis of CD ≥ 3 months prior to Day 1. The diagnosis of CD must be confirmed by clinical, endoscopic, and histologic evidence.
4. Moderately to severely active CD 
 
ExclusionCriteria 
Details  1. Current diagnosis of ulcerative colitis, indeterminate colitis, microscopic colitis, ischemic colitis, or infectious colitis
2. Presence of a stoma or ileoanal pouch
3. Presence of currently known complications of CD such as symptomatic bowel stricture(s) and >2 missing segments of the following 5 segments: terminal ileum, right colon, transverse colon, left and sigmoid colon, and rectum, fulminant colitis, toxic megacolon or any other manifestation that may require surgery or hospitalization
4. Known diagnosis of short gut or bowel syndrome
5. Previous exposure to VTX958 or any other TYK2 inhibitor (eg, deucravacitinib) in any study 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Centralized 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
1. Change in mean Crohns disease Activity Index (CDAI) score from baseline to week 12
2. The proportion of participants achieving endoscopic response at Week 12 
During screening to week 12 
 
Secondary Outcome  
Outcome  TimePoints 
Change from baseline in mean simple endoscopic score in Crohns disease SES-CD at Week 12
- Change from baseline in mean simple endoscopic score in Crohns disease SED-CD at 12 weeks. The SES-CD is an endoscopic grading system is used to assess CD disease activity. The SES-CD assesses 4 endoscopic variables: the size of ulcers, ulcerated surface, affected surface, & presence of narrowing. Each variable score ranging from 0 to 3. The total SES-CD score is calculated using the sum of all parameter scores in 5 segments: terminal ileum, right colon, transverse colon, left colon, and rectum. 
During screening to week 12 
Proportion of participants achieving clinical remission at Week 12
- Clinical remission is defined as a CDAI score 150. CDAI is a weighted index comprising eight Crohns Disease (CD)-related clinical & laboratory variables, to assess CD disease activity. Three of the variables, stool frequency, abdominal pain, and general well-being, are patient-reported measures recorded daily. The total CDAI score is calculated using the sum of each variable times the multiplier. The total score range of the CDAI is from 0 to 600. 
During screening to week 12 
Proportion of participants achieving patient-reported outcome 2 (PRO2) remission at Week 12
- The proportion of participants achieving PRO2 remission at week 12. PRO2 remission is defined is an unweighted CDAI component of daily AP score ≤ 1 & unweighted CDAI component of daily average stool frequency (SF) score ≤ 3 
During screening to week 12 
Proportion of participants achieving clinical response at Week 12
- Proportion of participants achieving clinical response at Week 12. A clinical response is defined as ≥ 100 points reduction from baseline in CDAI score or CDAI score 150. CDAI is a weighted index comprising eight Crohns Disease (CD)-related clinical & laboratory variables, to assess CD disease activity. Three of the variables, stool frequency, abdominal pain, & general well-being, are patient-reported measures recorded daily. The total CDAI score is calculated using the sum of each variable times the multiplier. The total score range of the CDAI is from 0 to 600. 
During screening to week 12 
Proportion of participants achieving both endoscopic response (outcome- measure # 2) & clinical remission (outcome measure # 4) at Week 12
- Proportion of participants achieving both endoscopic response (as described in outcome measure 2) and clinical remission (as described in outcome measure 4) at Week 12. 
During screening to week 12 
 
Target Sample Size   Total Sample Size="132"
Sample Size from India="5" 
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   Phase 2 
Date of First Enrollment (India)   11/12/2023 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  10/07/2023 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="4"
Months="4"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Other (Terminated) 
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 is a multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of VTX958 (placebo, 225 mg BID, and 300 mg BID) in participants with moderately to severely active CD. Approximately 132 eligible patients will be randomized, and randomization will be stratified by prior use of biologics for the treatment of CD (yes/no). 
 The target patient population will include: 
 â€¢ Patients who have had an inadequate response, loss of response, or intolerance to conventional therapy and are naïve to biologic agents (conventional treatment failed) 
• Patients who have had an inadequate response, loss of response, or intolerance to a biologic agent (biologic failed). Patients in this category may have received prior conventional therapy. It is expected that approximately 70% of participants in the study may have had an inadequate response to biologics. The number of patients with prior exposure to biologic therapy targeting IL-12/IL-23 (eg, ustekinumab) to be randomized into this study will be capped at 20% of the total number of participants.
 
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