The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT03899792




Registration number
NCT03899792
Ethics application status
Date submitted
6/02/2019
Date registered
2/04/2019
Date last updated
7/03/2024

Titles & IDs
Public title
A Study of Oral LOXO-292 (Selpercatinib) in Pediatric Participants With Advanced Solid or Primary Central Nervous System (CNS) Tumors
Scientific title
A Phase 1/2 Study of the Oral RET Inhibitor LOXO 292 in Pediatric Patients With Advanced RET-Altered Solid or Primary Central Nervous System Tumors
Secondary ID [1] 0 0
J2G-OX-JZJJ
Secondary ID [2] 0 0
17493
Universal Trial Number (UTN)
Trial acronym
LIBRETTO-121
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Medullary Thyroid Cancer 0 0
Infantile Myofibromatosis 0 0
Infantile Fibrosarcoma 0 0
Papillary Thyroid Cancer 0 0
Soft Tissue Sarcoma 0 0
Condition category
Condition code
Cancer 0 0 0 0
Sarcoma (also see 'Bone') - soft tissue
Cancer 0 0 0 0
Bone
Cancer 0 0 0 0
Thyroid
Musculoskeletal 0 0 0 0
Other muscular and skeletal disorders
Metabolic and Endocrine 0 0 0 0
Other endocrine disorders

Intervention/exposure
Study type
Interventional(has expanded access)
Description of intervention(s) / exposure
Treatment: Drugs - LOXO-292

Experimental: LOXO-292 - Phase 1- Dose Escalation and determination of MTD; multiple dose levels of LOXO-292 to be evaluated; Phase 2 - The MTD/recommended dose from Phase 1


Treatment: Drugs: LOXO-292
Oral LOXO-292

Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
To Determine the Safety of Oral LOXO-292 in Pediatric Participants with Advanced Solid Tumors: Dose Limiting Toxicities (DLTs)
Timepoint [1] 0 0
During the first 28-day cycle of LOXO-292 treatment
Primary outcome [2] 0 0
To Determine the Safety of Oral LOXO-292 in Pediatric Participants with Primary CNS Tumors: DLTs
Timepoint [2] 0 0
During the first 28-day cycle of LOXO-292 treatment
Primary outcome [3] 0 0
Overall Response Rate (ORR) Based on Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 per Independent Review Committee (IRC)
Timepoint [3] 0 0
Baseline to Progressive Disease or Death due to any cause (Estimated up to 12 months)
Primary outcome [4] 0 0
ORR Based on Response Assessment in Neuro-Oncology (RANO) per IRC
Timepoint [4] 0 0
Baseline to Progressive Disease or Death due to any cause (Estimated up to 12 months)
Secondary outcome [1] 0 0
Plasma Concentrations of LOXO-292
Timepoint [1] 0 0
Days 1 and 8 of Cycle 1, Day 1 of Cycle 3 and Day 8 after Intra-participant Dose Escalation (each cycle is 28 days)
Secondary outcome [2] 0 0
Area Under the Concentration-Time Curve from 0 to 24 hours (AUC0-24) of LOXO-292
Timepoint [2] 0 0
Days 1 and 8 of Cycle 1, Day 1 of Cycle 3 and Day 8 after Intra-participant Dose Escalation (each cycle is 28 days)
Secondary outcome [3] 0 0
Maximum Concentration (Cmax) of LOXO-292
Timepoint [3] 0 0
Days 1 and 8 of Cycle 1, Day 1 of Cycle 3 and Day 8 after Intra-participant Dose Escalation (each cycle is 28 days)
Secondary outcome [4] 0 0
Time to Maximum Concentration (Tmax) of LOXO-292
Timepoint [4] 0 0
Days 1 and 8 of Cycle 1, Day 1 of Cycle 3 and Day 8 after Intra-participant Dose Escalation (each cycle is 28 days)
Secondary outcome [5] 0 0
Recommended LOXO-292 Dose for Phase 2 (MTD)
Timepoint [5] 0 0
Cycle 1 (28 days)
Secondary outcome [6] 0 0
To Assess the Preliminary Anti-Tumor Activity of LOXO-292 in Pediatric Participants with Tumors Harboring an Activating RET Alteration as Determined by ORR Based on RECIST v1.1
Timepoint [6] 0 0
Baseline to Progressive Disease or Death due to any cause (Estimated up to 12 months)
Secondary outcome [7] 0 0
Changes from Baseline in Pain Measures as Measured by Wong Baker Faces scales. Wong-Baker Faces Pain Scale includes pictures of facial expressions with correlating scores of 0 being 'no hurt' and 10 being 'hurts worst'.
Timepoint [7] 0 0
Up to 24 months
Secondary outcome [8] 0 0
Changes from Baseline in Health Related Quality of Life Measures as Measured by Pediatric Quality of Life (PedsQoL) Inventory Core. PedsQoL includes a list of problems with scores of 0 being 'never a problem' and 4 being 'almost always a problem'.
Timepoint [8] 0 0
Up to 24 months
Secondary outcome [9] 0 0
Objective Response Rate as Assessed by RECIST v1.1, as Assessed by Investigator
Timepoint [9] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [10] 0 0
Objective Response Rate as Assessed by RANO, as Assessed by Investigator
Timepoint [10] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [11] 0 0
Duration of Response (DOR) as Assessed by Investigator
Timepoint [11] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [12] 0 0
Duration of Response (DOR) as Assessed by the IRC
Timepoint [12] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [13] 0 0
Progression Free Survival (PFS) as Assessed by Investigator
Timepoint [13] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [14] 0 0
PFS as Assessed by IRC
Timepoint [14] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [15] 0 0
Overall survival (OS)
Timepoint [15] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, and 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [16] 0 0
Clinical Benefit Rate (by Investigator)
Timepoint [16] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [17] 0 0
Clinical Benefit Rate (by IRC)
Timepoint [17] 0 0
Approximately every 8 weeks for one year, then every 12 weeks, 7 days after the last dose (for up to 2 years) in participants who have not progressed.
Secondary outcome [18] 0 0
Frequency of Adverse Events (AEs)
Timepoint [18] 0 0
From the time of informed consent, for approximately 24 months (or earlier if the participants discontinues from the study), and through Safety Follow-up (28 days after the last dose)
Secondary outcome [19] 0 0
To Evaluate the Concordance of Prior Molecular that Detected a RET Alteration within the Participant's Tumor with Diagnostic Tests Being Evaluated by Sponsor
Timepoint [19] 0 0
6 months
Secondary outcome [20] 0 0
Phase 2: Post-Operative Stage on Participants Treated with LOXO-292
Timepoint [20] 0 0
Up to 3 years
Secondary outcome [21] 0 0
Phase 2: Surgical Margin Status in Participants Treated with LOXO-292
Timepoint [21] 0 0
Up to 3 years
Secondary outcome [22] 0 0
Descriptive Analysis of Pretreatment Surgical Plan
Timepoint [22] 0 0
Up to 3 years
Secondary outcome [23] 0 0
Descriptive Analysis of Post-Treatment Plans
Timepoint [23] 0 0
Up to 3 years

Eligibility
Key inclusion criteria
- Advanced or metastatic solid or primary CNS tumor which has failed standard of care
therapies

- Evidence of an activating RET gene alteration in the tumor and/or blood

- Measurable or non-measurable disease

- Karnofsky (participants 16 years and older) or Lansky (participants younger than 16)
performance score of at least 50

- Participant with primary CNS tumors or cerebral metastases must be neurologically
stable for 7 days prior and must not have required increasing doses of steroids within
the last 7 days

- Adequate hematologic, hepatic and renal function.

- Ability to receive study drug therapy orally or via gastric access

- Willingness of men and women of reproductive potential to observe conventional and
effective birth control
Minimum age
6 Months
Maximum age
21 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
- Major surgery within two weeks prior to planned start of LOXO-292

- Clinically significant, uncontrolled cardiac, cardiovascular disease or history of
myocardial infarction within 6 months prior to planned start of LOXO-292

- Active uncontrolled systemic bacterial, viral, fungal or parasitic infection

- Clinically significant active malabsorption syndrome

- Pregnancy or lactation

- Uncontrolled symptomatic hyperthyroidism or hypothyroidism (i.e. the participant
required a modification to current thyroid medication in the 7 days before start of
LOXO-292)

- Uncontrolled symptomatic hypercalcemia or hypocalcemia

- Known hypersensitivity to any of the components of the investigational agent, LOXO-292
or Ora-Sweet® SF and OraPlus®, for participants who will receive LOXO-292 suspension

- Prior treatment with a selective RET inhibitor(s) (including investigational selective
RET inhibitor[s])

Study design
Purpose of the study
Treatment
Allocation to intervention
N/A
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Phase 1/Phase 2
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
NSW,VIC
Recruitment hospital [1] 0 0
The Children's Hospital at Westmead - Westmead
Recruitment hospital [2] 0 0
Royal Children's Hospital - Parkville
Recruitment postcode(s) [1] 0 0
2145 - Westmead
Recruitment postcode(s) [2] 0 0
3052 - Parkville
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
California
Country [2] 0 0
United States of America
State/province [2] 0 0
Colorado
Country [3] 0 0
United States of America
State/province [3] 0 0
Florida
Country [4] 0 0
United States of America
State/province [4] 0 0
Massachusetts
Country [5] 0 0
United States of America
State/province [5] 0 0
Minnesota
Country [6] 0 0
United States of America
State/province [6] 0 0
New York
Country [7] 0 0
United States of America
State/province [7] 0 0
Ohio
Country [8] 0 0
United States of America
State/province [8] 0 0
Pennsylvania
Country [9] 0 0
United States of America
State/province [9] 0 0
Tennessee
Country [10] 0 0
United States of America
State/province [10] 0 0
Texas
Country [11] 0 0
United States of America
State/province [11] 0 0
Washington
Country [12] 0 0
Canada
State/province [12] 0 0
Ontario
Country [13] 0 0
Denmark
State/province [13] 0 0
Copenhagen
Country [14] 0 0
France
State/province [14] 0 0
Villejuif Cedex
Country [15] 0 0
Germany
State/province [15] 0 0
Baden-Württemberg
Country [16] 0 0
Italy
State/province [16] 0 0
Lombardia
Country [17] 0 0
Japan
State/province [17] 0 0
Hokkaido
Country [18] 0 0
Japan
State/province [18] 0 0
Tokyo
Country [19] 0 0
Japan
State/province [19] 0 0
Hiroshima
Country [20] 0 0
Japan
State/province [20] 0 0
Kyoto
Country [21] 0 0
Korea, Republic of
State/province [21] 0 0
Seoul, Korea
Country [22] 0 0
Spain
State/province [22] 0 0
Barcelona [Barcelona]
Country [23] 0 0
United Kingdom
State/province [23] 0 0
Greater London

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
Loxo Oncology, Inc.
Address
Country
Other collaborator category [1] 0 0
Commercial sector/Industry
Name [1] 0 0
Eli Lilly and Company
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
This is an open-label, multi-center Phase 1/2 study of oral LOXO-292 in pediatric
participants with an activating rearranged during transfection (RET) alteration and an
advanced solid or primary CNS tumor.
Trial website
https://clinicaltrials.gov/ct2/show/NCT03899792
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST)
Address 0 0
Eli Lilly and Company
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
There may be multiple sites in this clinical trial. 1-877-CTLILLY (1-877-285-4559) or
Address 0 0
Country 0 0
Phone 0 0
1-317-615-4559
Fax 0 0
Email 0 0
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/ct2/show/NCT03899792