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CTRI Number  CTRI/2024/07/070802 [Registered on: 18/07/2024] Trial Registered Prospectively
Last Modified On: 26/09/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Drug 
Study Design  Single Arm Study 
Public Title of Study   First in Human Multicenter Open Name Dose-increase,Consolidation method to Study Safety drug-level in Blood & drug metabolism Clinical Activity of Oral JBI-778 in Lung Cancer Patients with, without Brain Metastasis IDH Mutated WHO Grade 3,4 Recurrent Glioma, Salivary glands tumor 
Scientific Title of Study   A Phase 1, Multicenter, Open-Label, Dose-Escalation/Consolidation Study to Investigate the Safety, Pharmacokinetics, Pharmacodynamics and Clinical Activity of Orally Administered JBI-778 in EGFR Mutated Lung Cancer Patients with or without Brain Metastasis, Isocitrate Dehydrogenase (IDH) Mutated WHO Grade 3/4 Recurrent Glioma and Adenoid Cystic Carcinoma (ACC) 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
JBI-778-101 ,Final Version 1.0; Dated 20 Nov 2023  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Kumar Prabhash 
Designation  Professor and Head Of Department 
Affiliation  Tata Memorial Centre 
Address  Tata Memorial Centre Room number 1108, Homi Bhabha Block, Tata Memorial Hospital, Dr. Ernest Borges Road, Parel, Mumbai – 400012

Mumbai
MAHARASHTRA
400012
India 
Phone  9167760576  
Fax    
Email  kprabhash1@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Sridharan Rajagopal 
Designation  Vice President Site Head, JTIL 
Affiliation  Jubilant Therapeutics India Limited 
Address  96 Industrial Suburb Bangalore 560022 Karnataka India

Bangalore
KARNATAKA
560022
India 
Phone  9591400922  
Fax    
Email  Sridharan.Rajagopal@jubilanttx.com  
 
Details of Contact Person
Public Query
 
Name  Shawnavaz Vazeer 
Designation  Associate Director Project Management 
Affiliation  Jubilant Therapeutics India Limited 
Address  96 Industrial Suburb Bangalore 560022 Karnataka India

Bangalore
KARNATAKA
560022
India 
Phone  9930441048  
Fax    
Email  Shawnavaz.Vazeer@jubilanttx.com  
 
Source of Monetary or Material Support  
Jubilant Therapeutics India Limited 96 Industrial Suburb,2nd Stage Yeswanthpur,Bangalore,560022,Karnataka, India  
 
Primary Sponsor  
Name  Jubilant Therapeutics India Limited 
Address  1A, Sector 16A, Noida - 201 301, Uttar Pradesh, India 
Type of Sponsor  Other [Biotech] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study
Modification(s)  
No of Sites = 8  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Prabhat Mallik  All India Institute of Medical Sciences(AIIMS)   Sri Aurobindo Marg, Ansari Nagar, Ansari Nagar East, New Delhi, Delhi 110029
New Delhi
DELHI 
9968325318

drprabhatsm@gmail.com 
Dr Priya Tiwari   Artemis Hospital  Sector 51 Gurugram Haryana - 122001
Gurgaon
HARYANA 
8377828241

priya.tiwari@artemishospitals.com 
Dr Kandappan Velavan  Erode Cancer Centre Private Limited  1-393, velavan nagar, Perundurai road, thindal post Erode Tamil Nadu -638012
Erode
TAMIL NADU 
9842334222

drvelavank@gmail.com 
Dr Raj Nagarkar  HCG Manavata Cancer Centre  Behind Shivang auto, Mumbai nakka Nashik Maharashtra - 422002
Nashik
MAHARASHTRA 
9823061929

drraj@manavatacancercentre.com 
Dr Priyal Dhameliya  Kiran Super Multi-Speciality Hospital.  Vasta Devdi Road, Near Sumul Dairy Katargam, Surat 395004 GUJARAT
Surat
GUJARAT 
9428638448

drpriyalrsavaliya@gmail.com 
Dr Anil Kumar MR  Oncoville Cancer Hospital and Research Center  No. 4, 80ft road, 7 block, nagarbhavi 2 stage Bangalore Karnataka - 560072
Bangalore
KARNATAKA 
9739808502

dranil.onco@gmail.com 
Dr Vijay Patil  SunAct Cancer Institute Pvt Ltd.  4th floor, Tieten Medicity Hospital, Sunact Cancer Insti-tute Pvt. Ltd, Ghodbunder Rd, Kasarvadavali, Thane West, Thane, Maharashtra 400615
Thane
MAHARASHTRA 
9136129135

vijaypgi@gmail.com 
Dr Kumar Prabhash  Tata Memorial Center  11 floor, Homi Bhabha block, tata memorial hospital, Dr Ernest Borges road, Parel Mumbai Maharashtra - 400012
Mumbai
MAHARASHTRA 
9167760576

kprabhash1@gmail.com 
 
Details of Ethics Committee
Modification(s)  
No of Ethics Committees= 8  
Name of Committee  Approval Status 
Artemis Health Sciences Institutional Ethics Committee  Approved 
Institutional Ethics Committee All India Institute Of Medical Sciences  Approved 
Institutional Ethics Committee of Oncoville Cancer Hospital and Research Centre Oncoville Cancer Hospital and Research Centre  Approved 
Institutional Ethics Committee, Erode Cancer Centre  Approved 
Kiran Hospital Ethics Committee   Approved 
Manavata Clinical Research Institute Ethics Committee  Approved 
TMH, Institutional Ethics Committee-I  Approved 
Vedant Hospital Institutional Ethical Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C399||Malignant neoplasm of lower respiratory tract, part unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  JBI-778 Oral Capsule 40 mg daily dose in 21-day continuous cycles Once daily dosing in repeated 21-day cycles. JBI-778 capsule is taken orally with water approximately same time either 1 hour before a meal or 2 hours after a meal   PRMT5 inhibitors The starting dose of the study drug is 40 mg/day. JBI-778 will be administered orally for 21-days cycles. JBI-778 is taken orally with water under fasted conditions (approx. same time either 1 hour before a meal or 2 hours after a meal). Patients will be provided a bottle containing a sufficient number of capsules of JBI-778 for each Cycle as appropriate. The finished drug product is JBI778 in capsules with unit-dose strengths of 20, 100, or 250 mg. Based on the dose that patient is assigned, the capsules from respective bottle will be taken by patient. The site personnel will instruct patient on number of capsules to be taken from bottles As one of the most promising anticancer targets in the PRMT family, PRMT5 has attracted increasing attention, and many efforts have been put into developing its inhibitors. PRMT5 is a significant epigenetic modifier of histone and non-histone proteins and its dysregulation is associated with clinical features of various cancers. Targeting PRMT5 represents an excellent way to combat cancers in an efficient and selective way. There would be development of an increasing number of drugs targeting PRMT5, and the curative effect would improve, providing more means and strategies for the treatment of PRMT5-related tumors in the future. PRMT5 has been suggested as a therapeutic target in a variety of diseases including infectious disease, heart disease, and cancer. Many PRMT5 inhibitors have been discovered in the past years and have entered clinical trials for the treatment of solid tumor and mantle cell lymphoma (MCL). However, no drug targeting PRMT5 is available yet in the market. Attempts have been made by other Pharma organizations to test the PRMT5 inhibitors into the clinical setting (molecules like GSK3326595, JNJ-64619178, and PF-06939999) targeting multiple hematopoietic and solid tumor indications. (10) JBI-778 is one of the innovative molecules developed by Jubilant Therapeutics Inc., as a PRMT5 inhibitor with potentially high brain exposure that allows to target validated mechanism in cancers with brain metastasis, as many current treatments do not have adequate brain exposure. Based on the encouraging results from preclinical studies conducted by Sponsor, the development program for this molecule has been focused on developing JBI-778 as a target for the patients with advanced malignancy treatment in the proposed study.  
Comparator Agent  Not Applicable  Not Applicable 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  99.00 Year(s)
Gender  Both 
Details  Males or females aged ≥ 18 years at the time of informed consent.
Screening laboratory values:
Absolute neutrophil count (ANC) ≥1,500 cells/mm3.
Platelet count ≥100,000 cells/mm3.
Total bilirubin ≤1.5× ULN (upper limit of normal). Patients with Gilbert’s
syndrome may be enrolled with up to 3.0×ULN.
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5×
ULN (unless liver metastases are present then up to ≤5×ULN is allowed).
Creatinine clearance (CrCL) ≥ 40 mL/min based on the Cockcroft-Gault
glomerular filtration rate estimation or other equally relevant calculations. (Refer
in Appendix VIII)
Prothrombin Time (PT) or Activated Partial Thromboplastin Time (aPTT) ≤1.5×
ULN if the patient is not on anticoagulants (If the patient is on anticoagulants, the
patient must be on a stable dose for at least 2-weeks prior to screening).
 
 
ExclusionCriteria 
Details  Treatment with systemic anticancer therapy or an investigational agent within 2-weeks or
5 half-lives, whichever is shorter, prior to the start of study drug treatment.
Major surgery ≤ 21 days prior to starting study drug or has not recovered from adverse
effects of such procedure.
Surgery (e.g., stomach bypass) or medical condition that might significantly affect the
absorption of medicines (as judged by the investigator).
Radiotherapy within 4 week for brain metastases and 2-weeks for the rest of body part
prior to the start of study drug treatment. Patients must have recovered from all
radiotherapy-related toxicities prior to the start of study treatment.
Severe or unstable medical condition, such as congestive heart failure (New York Heart
Association [NYHA] Class III or IV), ischemic heart disease, uncontrolled hypertension,
uncontrolled diabetes mellitus, psychiatric condition, as well as an uncontrolled cardiac
arrhythmia requiring medication (≥ Grade 2, according to NCI CTCAE V5), myocardial
infarction within 6 months prior to starting study treatment, or any other significant or
unstable concurrent cardiac illness. Note: stable chronic atrial fibrillation is allowed.

 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Primary Endpoint
Incidence of dose-limiting toxicity (DLT)events during the DLT monitoring period.[Timeframe: Baseline through Day 21 of Cycle1].
 
[Timeframe: at 6 months and up to
approximately 2 years] 
 
Secondary Outcome  
Outcome  TimePoints 
• Incidence of adverse events (AE)
characterized overall and by type, frequency,seriousness, relationship to study treatment,timing, and severity graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0.
• Changes in clinical laboratory parameters, vital signs, electrocardiogram (ECG) parameters, eye examination including slit lamp examination and physical examination. 
[Timeframe: up to approximately 2 years] 
PK profile as assessed by single-dose and
steady-state such as Cmax, tmax, AUC0-t,
AUCτ, AUC0-∞, and t½ etc.
• To assess exposure/QTc relationship  
[Timeframe: up to approximately 2 years] 
• Change from baseline in symmetrical dimethylarginine (SDMA) as a PD measure.
 
[Timeframe: up to approximately 2 years] 
IDH Mutated WHO Grade 3/4 Recurrent
Glioma
• Response rate by response assessment in
neuro-oncology (RANO)
• Progression free survival (median and
landmark) by RANO Overall survival
• Neurological assessment in neuro-oncology
(NANO)  
[Timeframe: up to approximately 2 years] 
Metastatic or advanced, incurable disease
arising from any primary site
Progression free survival by RECIST 1.1

• Investigator-assessed overall response rate
(ORR) and duration of response (DOR) as
defined by response evaluation criteria
(RECIST) Version 1.1.

• Overall survival
 
[Timeframe: at 6 months and up to
approximately 2 years] 
Brain Metastases and extracerebral disease
• Response rate by response assessment in
neuro-oncology brain metastases (RANO).

• Progression Free Survival for cerebral and
extracerebral disease by RANO and RECIST
1.1 respectively.

• Investigator-assessed ORR and DOR as
defined by response evaluation criteria in
solid tumors (RECIST) Version 1.1 for
extracerebral disease.

• Overall survival

• Neurologic assessment in neuro-oncology
(NANO)
 
[Timeframe: up to approximately 2 years]
 
EGFR Mutated Lung Cancer without
Brain Metastasis
• Progression free survival by RECIST 1.1

• Investigator-assessed ORR and DOR as
defined by response evaluation criteria
(RECIST) Version 1.1.

• Overall survival

 
[Timeframe: at 6 months and up to
approximately 2 years] 
 
Target Sample Size   Total Sample Size="42"
Sample Size from India="42" 
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 1 
Date of First Enrollment (India)   26/08/2024 
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="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Open to Recruitment 
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 phase 1, multicenter, first-in-human, open-label, dose-escalation/consolidation study to investigate the safety, pharmacokinetics, pharmacodynamics, and clinical activity of orally administered JBI-778 in EGFR mutated lung cancer patients with or without brain metastasis, IDH mutated WHO grade 3 /4 recurrent glioma and ACC with evidence of recurrent, metastatic or advanced, incurable disease arising from any primary site. A total of 42 patients will be recruited in the study. The initial dose escalation up to cohort 3 (estimate to be 160mg) or until the pharmacologically active dose is reached, whichever comes first as determined by the safety committee will be performed only in EGFR mutant NSCLC patients with or without stable cerebral metastases and ACC patients. Once this dose level is reached IDH mutant WHO grade 3 /4 glioma patients will be added. Once the RP2D is determined following dose escalation, additional patients, up to 12, will be treated at that dose to obtain further safety data and preliminary efficacy. Approximately 4 to 6 sites is anticipated for the dose-escalation/consolidation, additional sites will be evaluated as needed. Study will be initiated only after receipt of regulatory and ethics committee (EC) approval. After signing the informed consent form, the patients will undergo screening assessments to confirm eligibility. Eligible patients will be considered first for initial dose escalation and once the RP2D is determined following dose escalation, additional patients, up to 12, will be treated at that dose to obtain further safety data and preliminary efficacy. The RP2D will be establish after a detailed analysis of the totality of dose escalation data, including PK, safety, efficacy, CNS penetration based on CSF sample for study drug presence, analysis of PD markers in peripheral blood and both pre-treatment and on treatment tumor biopsies.
The duration of participation for each patient will be as follows: • Screening: - Up to 21 days (-21 to 1 days) • Treatment period: Treatment cycle of 21-day each. Treatment may continue for up to 2 years from the start of treatment, provided that the patient experiences clinical benefit in the opinion of the Investigator and shows no signs or symptoms of unequivocal progression of the disease, unacceptable toxicity, or other reasons for study discontinuation. • End of treatment (EOT)/ Early termination (ET) visit • Safety Follow-up: 30 days after last dose • Survival: Every 3 months 
 
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