The ANZCTR website will be unavailable from 1pm until 3pm (AEDT) on Wednesday the 30th of October for website maintenance. Please be sure to log out of the system in order to avoid any loss of data.

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/study/NCT04540965




Registration number
NCT04540965
Ethics application status
Date submitted
19/08/2020
Date registered
7/09/2020
Date last updated
9/03/2021

Titles & IDs
Public title
Impact of a Histamine H2 Receptor Antagonist (H2RA) on the Pharmacokinetics (PK) of Telaglenastat in Healthy Subjects
Scientific title
Double-Blind, Randomized, 2-Way Crossover Evaluation of the Impact of a Histamine-H2 Receptor Antagonist (H2RA) on the Pharmacokinetics of Telaglenastat Administered to Healthy Adult Subjects
Secondary ID [1] 0 0
CX-839-015
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Drug Interaction 0 0
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Telaglenastat
Treatment: Drugs - Famotidine
Treatment: Drugs - Placebo for famotidine

Experimental: Telaglenastat and Famotidine - Famotidine

Placebo comparator: Telaglenastat and Placebo for Famotidine - Placebo for famotidine


Treatment: Drugs: Telaglenastat
Glutaminase inhibitor

Treatment: Drugs: Famotidine
Histamine-H2 Receptor Antagonist

Treatment: Drugs: Placebo for famotidine
Placebo for Histamine-H2 Receptor Antagonist

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

Outcomes
Primary outcome [1] 0 0
Peak Plasma Concentration (Cmax)
Timepoint [1] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat
Primary outcome [2] 0 0
Time to peak plasma concentration (Tmax)
Timepoint [2] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat
Primary outcome [3] 0 0
Area under the concentration-time curve from time = 0 to the last determination (AUClast)
Timepoint [3] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat with and without famotidine.
Primary outcome [4] 0 0
Area under the concentration-time curve from time = 0 to infinity (AUC0-inf)
Timepoint [4] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat with and without famotidine.
Primary outcome [5] 0 0
Half-life
Timepoint [5] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat with and without famotidine.
Primary outcome [6] 0 0
Elimination rate
Timepoint [6] 0 0
Blood samples taken on Day 3 and Day 9 at 0.5, 1, 2, 3, 4, 5, 6, 8, 12, 18, 24 hours post administration of the telaglenastat with and without famotidine.
Secondary outcome [1] 0 0
Incidence of Treatment-Emergent Adverse Events
Timepoint [1] 0 0
Safety will be assessed throughout the study, starting from Day 3, prior to receiving the first dose of telaglenastat through to Day 11 when the subjects are released from the clinical site.
Secondary outcome [2] 0 0
Incidence of changes in body temperature
Timepoint [2] 0 0
Body temperature will be assessed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [3] 0 0
Incidence of changes in respiratory rate.
Timepoint [3] 0 0
Respiratory rate will be assessed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [4] 0 0
Incidence of changes in blood pressure
Timepoint [4] 0 0
Blood pressure will be assessed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [5] 0 0
Incidence of changes in heart rate.
Timepoint [5] 0 0
Heart rate will be assessed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [6] 0 0
Electrocardiograms (ECGs)
Timepoint [6] 0 0
ECGs will be performed prior to and 4 hours after telaglenastat dosing on Days 3 and 10 and 24 hours after telaglenastat dosing on Days 4 and 11.
Secondary outcome [7] 0 0
Hemoglobin assessments
Timepoint [7] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [8] 0 0
Hematocrit assessments
Timepoint [8] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [9] 0 0
Leukocyte count assessments
Timepoint [9] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [10] 0 0
Red blood cell count assessments
Timepoint [10] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [11] 0 0
Platelet count assessments
Timepoint [11] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [12] 0 0
Serum urea
Timepoint [12] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [13] 0 0
Serum bilirubin
Timepoint [13] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [14] 0 0
Serum alkaline phosphatase
Timepoint [14] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [15] 0 0
Serum Aspartate aminotransferase assessments
Timepoint [15] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [16] 0 0
Serum aspartate aminotransferase
Timepoint [16] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [17] 0 0
Serum albumin
Timepoint [17] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [18] 0 0
Serum sodium
Timepoint [18] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [19] 0 0
Serum potassium
Timepoint [19] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [20] 0 0
Serum chloride
Timepoint [20] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [21] 0 0
Serum glucose
Timepoint [21] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [22] 0 0
Serum creatinine
Timepoint [22] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [23] 0 0
Urine pH
Timepoint [23] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [24] 0 0
Urine Specific gravity
Timepoint [24] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [25] 0 0
Urine Protein
Timepoint [25] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [26] 0 0
Urine Glucose
Timepoint [26] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [27] 0 0
Urine Ketones
Timepoint [27] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [28] 0 0
Urine Bilirubin
Timepoint [28] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [29] 0 0
Urine Blood
Timepoint [29] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [30] 0 0
Urine Nitrite
Timepoint [30] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [31] 0 0
Urine Urobilinogen
Timepoint [31] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.
Secondary outcome [32] 0 0
Urine Leukocyte esterase.
Timepoint [32] 0 0
Assessments will be performed prior to dosing with telaglenastat on Days 2 and 9 and 24 hours after dosing on Days 4 and 11.

Eligibility
Key inclusion criteria
1. Healthy adult male or female, 18-55 years of age, inclusive, at screening.
2. Has not used nicotine-containing products (more than 5 cigarettes/equivalent per week) for at least 3 months prior the first dose and has negative urine cotinine tests at screening, Day 1 and Day 7.
3. Body mass index (BMI) between 18.0 and 32.0 kg/m2, inclusively, at screening.
4. Medically healthy with no clinically significant medical history, physical examination, laboratory profiles, vital signs, or ECGs, as deemed by the Principal Investigator (PI).
5. For a female of childbearing potential: either be sexually inactive (abstinent - ie, not sexually active with a male partner) for 14 days prior to the first dose and through 14 days following the last dose of any study drug(s) or be using one of the following acceptable birth control methods:

1. Non-hormone releasing intrauterine device in place for at least 3 months prior to the first dose of any study drug with a physical barrier method (eg, condom, diaphragm) from the time of screening through the last dose of any study drug. A progesterone (progestin)-only contraceptive is allowable.
2. A physical barrier method (eg, condom, diaphragm) for at least 14 days prior to the first dose of any study drug and until the last dose of any study drug.
6. In addition, female subjects of childbearing potential will be advised to remain sexually inactive or to keep the same birth control method until the last dose of any study drug.
7. Females of non-childbearing potential as defined below do not require contraception.

Females of non-childbearing potential:
1. must have undergone one of the following sterilization procedures at least 6 months prior to the first dose of any study drug:

1. hysteroscopic sterilization;
2. bilateral salpingectomy;

<!-- -->

1. Women with a tubal ligation less than one year prior to study start must agree to use a barrier method of birth control 3. non-surgical transcervical sterilization (eg, Essure®); 4. hysterectomy; 5. bilateral oophorectomy OR
2. be postmenopausal with amenorrhea for at least 1 year prior to the first telaglenastat dose with follicle-stimulating hormone (FSH) serum levels > 30 IU/mL.
8. A non-vasectomized male subject must agree to use a physical barrier (eg, condom or diaphragm) or abstain from sexual intercourse with female partners during the study until the last dose of any study drug. (No restrictions are required for a vasectomized male provided his vasectomy has been performed 4 months or more prior to study start. A male who has been vasectomized less than 4 months prior to study start must follow the same restrictions as a non-vasectomized male).

a) Female participants with a vasectomized male partner, or male participants with a female partner of non-childbearing potential do not require contraception.
9. If male, must agree not to donate sperm from dosing until the last dose of any study drug.
10. Alanine and aspartate aminotransferase and bilirubin levels = the upper limit of normal or deemed not clinically significant by the Investigator.
11. Understands the study procedures in the informed consent form (ICF) and be willing and able to comply with the protocol.
Minimum age
18 Years
Maximum age
55 Years
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
1. Subject is mentally or legally incapacitated or has significant emotional problems at the time of the screening visit or is expected to manifest significant emotional problems during the conduct of the study.
2. History or presence of clinically significant medical or psychiatric condition or disease in the opinion of the PI.
3. History of any illness that, in the opinion of the PI, might confound the results of the study or poses an additional risk to the subject by their participation in the study.
4. History or presence of alcoholism or drug abuse within the past 2 years prior to screening.
5. History or presence of hypersensitivity or idiosyncratic reaction to the study drugs or inactive ingredient(s).
6. History or presence of:

1. liver disease, pancreatic insufficiency or intestinal malabsorption;
2. neuropathy or muscle disorders;
3. seizures;
4. asthma; childhood asthma that has resolved and has not required medical treatment for at least 5 years prior to study start is permitted;
5. fluid retention;
6. cardiovascular disease, cardiac arrhythmias, hypertension, cardiovascular thrombotic events, myocardial infarction, or stroke;
7. ulcer disease or gastrointestinal bleeding;
8. renal papillary necrosis and other renal injury;
9. exfoliative dermatitis, Stevens-Johnson syndrome, and toxic epidermal necrolysis.
7. Female subjects who are pregnant or lactating.
8. Positive urine drug or alcohol results at screening or check-in.
9. Positive urine cotinine at screening or check-in.
10. Positive results at screening for HIV types 1 and 2, HBsAg, or hepatitus C virus.
11. Seated blood pressure (taken after 5 minutes in a sitting position) is less than 90/40 mmHg or greater than 140/90 mmHg at screening and not as part of ECG.
12. Seated heart rate (taken after 5 minutes in a sitting position) is lower than 40 bpm or higher than 100 bpm at screening and not as part of ECG.
13. QTcF interval is > 460 msec (males) or > 480 msec (females) or deemed clinically abnormal by the PI at screening.
14. Estimated creatinine clearance < 90 mL/min calculated by the method of Cockcroft and Gault at screening.
15. Unable to refrain from or anticipates the use of:

1. Proton pump inhibitors (PPIs), histamine H2 receptor antagonists (H2RAs), buffering agents (eg, Tums) or any other medication that may have an effect on gastric acid secretion beginning 14 days prior to the first dose of any study drug and throughout the study.
2. Any non-prescription medications, herbal remedies, or vitamin supplements beginning 14 days prior to the first dose of any study drug and throughout the study.
3. Any prescription medications (including hormone replacement therapy and lithium) beginning 14 days prior to the first dose of any study drug and throughout the study.
16. Donation of blood or significant blood loss within 56 days prior to the first dose of any study drug.
17. Plasma donation within 14 days prior to the first dose of any study drug.
18. Presence of any medical history or condition that may limit gastric drug absorption (eg, prior gastric surgery, gastric banding, Whipple procedure)
19. Participation in another clinical trial within 28 days prior to the first dose of any study drug. The 28-day window will be derived from the date of the last blood collection or dosing, whichever is later, in the previous study to Day 1 of Period 1 of the current study.

Study design
Purpose of the study
Other
Allocation to intervention
Randomised controlled trial
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
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Crossover
Other design features
Phase
Phase 1
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
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)
QLD
Recruitment hospital [1] 0 0
Nucleus Network Brisbane Clinic (formerly Q-Pharm) - Brisbane
Recruitment postcode(s) [1] 0 0
Herston QLD 4006 - Brisbane

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Calithera Biosciences, Inc
Address
Country
Other collaborator category [1] 0 0
Commercial sector/industry
Name [1] 0 0
Novotech (Australia) Pty Limited
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Paul Griffin, Dr.
Address 0 0
Nucleus Network
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.