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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT05636514
Registration number
NCT05636514
Ethics application status
Date submitted
1/11/2022
Date registered
5/12/2022
Date last updated
19/12/2023
Titles & IDs
Public title
Combined Evaluation of Epigenetic and Sensitising Therapy in AML and MDS
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Scientific title
A Phase I Study of Oral Decitabine and Cedazuridine (ASTX727) In Combination With Defactinib (VS-6063) as Therapy of Myelodysplastic Syndromes and Low-blast Acute Myeloid Leukaemia
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Secondary ID [1]
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22-M-002
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Universal Trial Number (UTN)
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Trial acronym
CELESTIAL-MDS
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Myelodysplastic Syndromes
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Chronic Myelomonocytic Leukemia
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Acute Myeloid Leukemia
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Condition category
Condition code
Cancer
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Leukaemia - Acute leukaemia
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Cancer
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Leukaemia - Chronic leukaemia
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Cancer
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Children's - Leukaemia & Lymphoma
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Blood
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Haematological diseases
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Blood
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Other blood disorders
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Other
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Research that is not of generic health relevance and not applicable to specific health categories listed above
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Decitabine/Cedazuridine 35 Mg-100 Mg ORAL TABLET
Treatment: Drugs - Defactinib
Experimental: Decitabine/cedazuridine + defactinib - Decitabine/cedazuridine taken days 1-5 of each 28 day treatment cycle, cycle 1 to 6
Defactinib taken on days 1-5 of each 28 treatment day cycle from cycle 2 to cycle 6.
Treatment: Drugs: Decitabine/Cedazuridine 35 Mg-100 Mg ORAL TABLET
Fixed dose treatment cycles 1 to 6. Cycle 1 is monotherapy, cycles 2 to 6 combination therapy with defactinib.
Treatment: Drugs: Defactinib
Defactinib treatment will commence with at the starting dose (dose level 1) from cycle 2 to 6.
Dose escalation/de-escalation will proceed based on the MTD determination.
Dose Level 1: 200mg Defactinib twice daily (starting dose level)
Dose Level 2: 400mg defactinib twice daily
Dose Level -1: 200mg Defactinib daily
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Maximum tolerated dose
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Assessment method [1]
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Maximum dose at which no more than 1 of 6 participants experience a dose limiting toxicity (DLT)
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Timepoint [1]
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Once 3 participants have completed 2 cycles, assessed at approximately 2 months (each cycle is 28 days)
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Secondary outcome [1]
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Number of Grade 3 or 4 adverse events
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Assessment method [1]
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Number of participants experiencing Grade 3 or 4 adverse events or serious adverse events (SAEs) during cycles 1-6, along with description of events
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Timepoint [1]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [2]
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Proportion of Grade 3 or 4 adverse events
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Assessment method [2]
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Proportion of participants experiencing Grade 3 or 4 adverse events or serious adverse events (SAEs) during cycles 1-6, along with description of events
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Timepoint [2]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [3]
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Number of participants completing planned therapy
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Assessment method [3]
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Number of participants completing the planned six cycles of therapy, along with description of cycle delays
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Timepoint [3]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [4]
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Proportion of participants completing planned therapy
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Assessment method [4]
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Proportion of participants completing the planned six cycles of therapy, along with description of cycle delays
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Timepoint [4]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [5]
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Disease response rate
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Assessment method [5]
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Objective disease response rate determined using International Working Group criteria
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Timepoint [5]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [6]
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Decitabine (DAC) incorporation in DNA as AUC
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Assessment method [6]
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Decitabine (DAC) incorporation in DNA of peripheral blood mononuclear cells as measured by mass spectrometry (AZA-MS) and computed as the area under the curve (AUC) per treatment cycle
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Timepoint [6]
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End of cycle 6 (24weeks, each cycle is 28 days)
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Secondary outcome [7]
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Global DNA methylation
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Assessment method [7]
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Mean methylcytosine/cytosine ratio in DNA of peripheral blood mononuclear cells within a treatment cycle as measured by mass spectrometry (AZA-MS)
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Timepoint [7]
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End of cycle 6 (24weeks, each cycle is 28 days)
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Secondary outcome [8]
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Percentage of Bone Marrow haematopoietic progenitors (HPCs) progressing through the cell cycle
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Assessment method [8]
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Percentage of Bone Marrow haematopoietic progenitors (HPCs) progressing through the cell cycle as determined by flow cytometry
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Timepoint [8]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Secondary outcome [9]
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Percentage of cluster of differentiation 34 (CD34)+ cluster of differentiation 45 (CD45) dimLin- Haematopoietic progenitor cells (HPCs)/ Mononuclear cells (MNCs) per microlitre (uL) of peripheral blood as measured by flow cytometry
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Assessment method [9]
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Percentage of CD34+CD45dimLin- HPCs /MNCs/uL of peripheral blood as measured by flow cytometry
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Timepoint [9]
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End of cycle 6 (24 weeks, each cycle is 28 days)
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Eligibility
Key inclusion criteria
Participants must meet all of the following criteria at the time of screening:
1. Age = 18 years
2. Documented diagnosis of:
1. Myelodysplastic syndrome (MDS) classified as intermediate-2 or high risk
according to the International Prognostic Scoring System (IPSS), or
2. Acute Myeloid Leukaemia (AML) with 20-30% marrow blasts and multilineage
dysplasia, according to WHO classification, or
3. Chronic myelomonocytic leukemia (CMML) with 10-29% marrow blasts without
myeloproliferative disorder according to World Health Organisation (WHO)
classification. This confirmation will be from either the Bone marrow aspirate
(BMA) performed at screening or a standard of care BMA if performed up to 6 weeks
before cycle 1 day 1.
3. Performance status by Eastern Cooperative Oncology Group (ECOG) Criteria of 0 or 1
4. Unsuitable for allogeneic stem cell transplantation
5. For participants who were born female who are of childbearing potential (FCBP) the
following criteria apply:
1. Agreement to use at least two highly effective (per Clinical Trial Facilitation
Group) contraceptive methods throughout the study, and for 6 months following the
last dose of study drug:
- Oral/intravaginal/transdermal combined (estrogen and progestogen containing)
hormonal contraception associated with inhibition of ovulation
- Oral/injectable/implantable progestogen-only hormonal contraception
associated with inhibition of ovulation
- Intrauterine device (IUD)
- Intrauterine hormone-releasing system (IUS)
- Bilateral tubal occlusion
- Vasectomised partner
- Sexual abstinence and
2. Confirmation of a negative serum pregnancy test at screening.
6. Male participants with a partner who was born female and is of childbearing potential
must agree to use at least two highly effective (per Clinical Trial Facilitation
Group) contraceptive methods throughout the course of the study and for 6 months
following the last dose of study drug, and refrain from donating sperm during the same
period
7. Provision of signed written informed consent document prior to any study related
assessments or procedures being carried out.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Participants who meet any of the following criteria at the time of screening/enrolment (up
to 28 days prior to Cycle 1 Day 1) will be ineligible for entry into the study:
1. Acute myeloid leukemia (AML) with = 30% blasts in bone marrow according to WHO
classification.
2. Prior allogeneic or autologous stem cell transplant.
3. Prior receipt of >1 cycle of a hypomethylating agent.
4. Clinical evidence of central nervous system (CNS) or pulmonary leukostasis,
disseminated intravascular coagulation, or CNS leukemia.
5. Use of any of the following within 28 days prior to cycle 1 day 1:
1. thrombopoiesis-stimulating agents ([TSAs]; eg, Romiplostim, Eltrombopag,
Interleukin-11)
2. ESAs (Erythropoiesis stimulating agent) and other RBC (Red blood cell)
hematopoietic growth factors (eg, interleukin-3)
3. Any other investigational medicinal product from another clinical trial.
6. Exposure to any medication, supplement, traditional/herbal medicine, or food with
potential for drug-drug interactions with defactinib during the course of the study.
This includes:
1. strong CYP3A4 inhibitors or inducers
2. strong CYP2C9 inhibitors or inducers
3. P-glycoprotein (P-gp) inhibitors or inducers
7. Treatment with warfarin. Patients on warfarin can be converted to low molecular-weight
heparin or direct oral anticoagulants (DOACs). Participants unwilling or unable to
convert to an alternative are not eligible.
8. Use of hydrea for more than 7 days prior to cycle 1 day 1. Use within that time period
is permissible.
9. Concurrent use of corticosteroids unless the participant is on a dose of =10mg
prednisolone or equivalent for medical conditions other than MDS.
10. Active inflammatory bowel disease, or any other gastrointestinal disorder or defect
that would interfere with the ingestion, absorption, distribution, metabolism or
excretion of the investigational products and/or predispose the participant to an
increased risk of gastrointestinal toxicity.
11. Prior history of malignancies, other than MDS unless the participant has been free of
the disease for = 12 months. However, participants with the following
history/concurrent conditions are allowed:
1. Basal or squamous cell carcinoma of the skin
2. Carcinoma in situ of the cervix
3. Carcinoma in situ of the breast
4. Incidental histologic finding of prostate cancer (T1a or T1b using the tumor,
nodes, metastasis [TNM] clinical staging system)
12. Significant active cardiac disease within the previous 6 months, including:
1. New York Heart Association (NYHA) class III or IV congestive heart failure;
2. Unstable angina or angina requiring surgical or medical intervention; and/or
3. Myocardial infarction
13. Baseline Qt interval greater than 440 milliseconds (males) or 450 milliseconds
(females)
14. Active systemic infection:
1. Infection with ongoing signs/symptoms related to the infection without
improvement despite appropriate anti- infectives
2. Active Hepatitis B (HBV) infection (defined as HBsAg positive, or HBcAb positive
and measurable HBV DNA; participants who are HBcAb positive must have HBV DNA
assayed during screening)
3. Participants with Human Immunodeficiency Virus (HIV) or Hepatitis C (HCV)
infection will be considered individually by the coordinating principal
investigator:
- Those with HIV will generally be eligible if receiving antiretroviral
therapy, HIV viral load (VL) is suppressed <50 copies/mL , and CD4=350
cells/mm3.
- Those with HCV will generally be eligible if there is no evidence of
clinical hepatic dysfunction or other systemic manifestations of HCV disease
and the hepatic parameters below are met. Consideration should be given to
curative HCV therapy prior to enrollment in consultation with HCV clinician,
if possible.
15. Any of the following laboratory abnormalities:
1. Serum AST/SGOT (Aspartate transaminase / Serum glutamic oxaloacetic transaminase)
or ALT/SGPT (Alanine aminotransaminase / Serum glutamic pyruvate transaminase) >
2.5 x ULN (upper limit of normal)
2. Serum total bilirubin > 1.5 x ULN. Patients with Gilbert syndrome may enroll if
total bilirubin < 51 umol/L upon discussion with the coordinating investigator
3. Evidence of autoimmune hemolytic anemia manifested as a corrected reticulocyte
count of > 2% with either a positive direct anti-globulin test (DAT) or over 50%
of indirect bilirubin
4. Creatinine clearance <50 ml/minute as calculated by the CockcroftGault formula or
serum creatinine of = 1.5 x ULN.
5. Absolute WBC (white blood cell count) = 20 x 109/L f ) Participants with isolated
individual lab abnormalities considered to be disease related will be considered
individually in consultation with the Coordinating Principal Investigator.
16. Known or suspected hypersensitivity to study drugs or their constituents.
17. Pregnant or breast-feeding.
18. Any condition not already outlined above which, in the opinion of the clinical
investigator, would place the participant at risk if they participated or would
jeopardise adherence or follow up or confound the ability to interpret study data.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
N/A
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
14/12/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
5/12/2025
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Actual
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Sample size
Target
12
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Prince of Wales Hospital - Sydney
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Recruitment hospital [2]
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Royal Prince Alfred Hospital - Sydney
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Recruitment hospital [3]
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Concord Repatriation and General Hospital - Sydney
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Recruitment hospital [4]
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Nepean Hospital - Sydney
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Recruitment hospital [5]
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Westmead Hospital - Westmead
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Recruitment postcode(s) [1]
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2031 - Sydney
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Recruitment postcode(s) [2]
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2050 - Sydney
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Recruitment postcode(s) [3]
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2139 - Sydney
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Recruitment postcode(s) [4]
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2747 - Sydney
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Recruitment postcode(s) [5]
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2145 - Westmead
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Funding & Sponsors
Primary sponsor type
Other
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Name
Clinical Hub for Interventional Research (CHOIR)
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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The University of New South Wales
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Address [1]
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Country [1]
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Other collaborator category [2]
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Other
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Name [2]
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Australian National University
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
The goal of this project is to see if two new potential treatments (defactinib and the
combination tablet of decitabine/cedazuridine) can safely be combined to improve outcomes in
people with high-risk myelodysplastic syndrome (MDS), certain forms of Acute Myeloid
Leukaemia (AML), and Chronic Myelomonocytic Leukaemia (CMML). Decitabine/cedazuridine is
approved for use by the Australian Therapeutics Goods Administration (TGA) as treatment for
MDS. Defactinib is an experimental treatment. This means it is not an approved treatment for
MDS in Australia. So far it has been given to over 625 patients in studies across the world.
All study participants will receive active treatment, there is no placebo. Participants will
take the decitabine/cedazuridine treatment once a day for 5 days in a row (day 1 to day 5) on
its own for the first month (cycle). From month 2 participants will take the
decitabine/cedazuridine treatment and will also take the defactinib treatment, both for 5
days in a row on days 1 to day 5 each month (cycle). Defactinib is taken twice a day.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT05636514
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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John Pimanda, Professor
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Address
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University of New South Wales
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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John Pimanda, Professor
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Address
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Country
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Phone
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1234567
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT05636514
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