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An Efficacy and Safety Study Of Pracinostat In Combination With Azacitidine In Adults With Acute Myeloid Leukemia

A Phase III, Double-Blind, Placebo-Controlled, Multicenter, Randomized Study Of Pracinostat In Combination With Azacitidine In Patients ≥18 Years With Newly Diagnosed Acute Myeloid Leukemia Unfit For Standard Induction Chemotherapy

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03151408
Enrollment
406
Registered
2017-05-12
Start date
2017-06-23
Completion date
2020-08-20
Last updated
2022-03-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Myeloid Leukemia

Keywords

AML

Brief summary

This is a Phase III, multicenter, double-blind, randomized study of pracinostat vs. placebo with azacitidine (AZA) as background therapy in patients ≥ 18 years of age with newly diagnosed acute myeloid leukemia (AML), excluding acute promyelocytic leukemia and cytogenetic low-risk AML, who are unfit to receive intensive remission induction chemotherapy due to age ≥ 75 years or comorbidities. Patients will be randomized in a 1:1 ratio to one of two groups: Group A (experimental group) to receive pracinostat plus AZA and Group B (control group) to receive placebo plus AZA. Randomization will be stratified by cytogenetic risk category (intermediate vs. unfavorable-risk, according to SWOG Cytogenetic Risk Category Definitions) and ECOG performance status (0-1 vs. 2). Treatments will be administered based on 28-day cycles, with pracinostat/placebo administered orally once every other day, 3 times a week for 3 weeks, followed by one week of no treatment and AZA administered for 7 days of each cycle. Study treatment should continue until there is documented disease progression, relapse from complete remission (CR), or non-manageable toxicity. A minimum of 6 cycles may be required to achieve a complete remission. Once permanently discontinued from study treatment, patients will enter the Long-term Follow-up phase of the study and will be followed for assessment of disease progression, if applicable, and survival every 3 months (±1 month) until death. The end of this study is defined when 390 events (deaths) have occurred and the study is unblinded for final overall survival analysis. Patients who are receiving study treatment at the end of the study may have the opportunity to continue to receive the study drugs to which they were randomized to (Post- Study Observation Period), until the Sponsor informs the Investigators of the appropriate course of action based on the study results. The Post-Study Observation Period is defined as the period starting from the end of the study for a maximum of 12 months.

Interventions

60 mg capsule

DRUGPlacebos

capsule

DRUGAzacitidine

SC or IV injection

Sponsors

Clinipace Worldwide
CollaboratorINDUSTRY
Helsinn Healthcare SA
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Male or female patient ≥ 18 years of age with newly diagnosed, histologically or cytologically confirmed, AML including de novo, secondary to antecedent hematologic disorders, or treatment-related disease with intermediate or unfavorable-risk cytogenetics 2. Unable to receive intensive chemotherapy regimens at enrollment, based on one of the following: I. Age ≥ 75 years, or II. Age \< 75 years with at least 1 of the following co-morbidities: 1. An ECOG performance status of 2 2. Clinically significant cardiovascular disease defined as: i. Left ventricular ejection fraction (LVEF) ≤ 50%, measured within 3 months prior to Day 1 confirmed by ECHO/MUGA ii. Congestive heart failure requiring medical therapy iii. Chronic stable angina requiring medical therapy iv. Prior cerebrovascular accident with sequelae c. Clinically significant pulmonary disease defined as: i. Forced expiratory volume in 1 second (FEV1) ≤ 65% of expected ii. Lung diffusing capacity for carbon monoxide (DLCO) ≤ 65% of expected Confirmed by pulmonary tests. d. Diabetes mellitus with symptomatic end-organ damage (e.g., retinopathy, nephropathy, neuropathy, vasculopathy) e. Autoimmune inflammatory conditions (e.g., rheumatoid arthritis, systemic lupus erythematous, inflammatory bowel disease, or similar) requiring chronic disease modifying therapy (e.g., etanercept, adalimumab, infliximab, rituximab, methotrexate, or similar) f. Class III obesity defined as a Body Mass Index (BMI) \> 40 kg/m2 g. Renal impairment defined as serum creatinine \> 1.3 mg/dL (\> 115 µmol/L) or creatinine clearance \<70 ml/min h. Clinically significant cognitive impairment defined as requiring medical therapy and/or assistance with activities of daily living 3. 20% blasts in bone marrow 4. Peripheral white blood cell (WBC) count 30,000/µL For cyto-reduction, hydroxyurea is allowed during screening and up to Cycle 1, Days 1-14, to reduce WBC count to \< 30,000 µL prior to Day 1. After Cycle 1, Day 14, hydroxyurea is prohibited. 5. ECOG performance status ≤ 2 6. Adequate organ function as evidenced by the following laboratory findings: 1. Total bilirubin ≤ 2 × upper limit of normal (ULN) or \< 3 x ULN for patients with Gilbert-Meulengracht Syndrome 2. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × ULN 7. Serum creatinine ≤ 1.5 × ULN according to institutional standards or creatinine clearance ≥ 50 mL/min 8. QT-interval corrected according to Fridericia's formula (QTcF) ≤ 450 ms on electrocardiogram (ECG) at Screening 9. Male patient who is surgically sterile, or male patient who is willing to agree to remain completely abstinent (refrain from heterosexual intercourse) or who use barrier contraceptive measures and agree to refrain from donating sperm during the entire study treatment period and for 3 months after the last administration of study drug 10. Female patient who is of childbearing potential willing to use adequate contraceptive measures while participating on study, OR willing to completely abstain from heterosexual intercourse during the entire study treatment period 11. Female patient who is of childbearing potential must have a negative serum pregnancy test result within 3 weeks prior to starting study drugs. 12. Willing to provide voluntary written informed consent before performance of any study related procedure not part of normal medical care 13. Willing and able to understand the nature of this study and to comply with the study and follow-up procedures.

Exclusion criteria

1. Able to receive intensive induction chemotherapy 2. AML-associated inv(16)/t(16;16)/del(16q), t(15;17) (i.e. promyelocytic leukemia) with/without secondary aberrations; t(8;21) lacking del (9q) or complex karyotypes 3. Presence of an active malignant disease within the last 12 months, with the exception of adequately treated cervical cancer in-situ, non-melanoma skin cancer and superficial bladder tumors (Ta \[non-invasive tumor\], Tis \[carcinoma in situ\] and T1 \[tumor invades lamina propria\]). Other malignancies may be considered after consultation with the Medical Monitor 4. Life-threatening illnesses other than AML, uncontrolled medical conditions or organ system dysfunction that, in the Investigator's opinion, could compromise the patient's safety or put the study outcomes at risk 5. Uncontrolled arrhythmias; any Class 3-4 cardiac diseases as defined by the New York Heart Association (NYHA) functional classification 6. Evidence of AML central nervous system (CNS) involvement 7. Previous chemotherapy for AML except for the following, which are allowed: 1. Hydroxyurea for cytoreduction 2. One course of hypomethylating agent therapy (i.e.; up to 7 doses of azacitidine or 3-5 days of decitabine) within 30 days prior to enrollment (Day 1) 8. Use of experimental drugs ≤ 30 days prior to screening 9. Received prior HDAC inhibitor therapy 10. Received prior treatment with a hypomethylating agent, except as allowed in Exclusion Criterion 7.b 11. Known hypersensitivity to any components of pracinostat, azacitidine, or mannitol 12. History of human immunodeficiency virus (HIV) or an active and uncontrolled infection with hepatitis C virus (HCV) or hepatitis B virus (HBV) 13. Gastrointestinal (GI) tract disease that causes an inability to take oral medication, malabsorption syndrome, or a requirement for IV alimentation; prior surgical procedures affecting absorption; or uncontrolled inflammatory GI disease (e.g., Crohn's disease, ulcerative colitis) 14. Any disease(s), psychiatric condition, metabolic dysfunction, or findings from a physical examination or clinical laboratory test result that would cause reasonable suspicion of a disease or condition, that contraindicates the use of pracinostat and/or AZA, that may increase the risk associated with study participation, that may affect the interpretation of the results, or that would make the patient inappropriate for this study 15. Breast-feeding woman 16. current smokers(use of patches, chewing gums and vaping nicotine conaining fluids is permitted). Patients who stopped smoking at least 8 day prior to first pracinostat dosing can be enrolled, provided they refrain from smoking during the whole study 17. prohibited concomitant medications 18. uncontrolled infections 19. receive more than 1 prior cycle of HMA or bone marrow transplant for any prior hematological disorder antecedent to AML

Design outcomes

Primary

MeasureTime frameDescription
Overall Survival826 daysOS measures the time from randomization to death due to any cause.

Secondary

MeasureTime frameDescription
Morphologic Complete Remission (CR) Rate744 daysThe CR rate is the proportion of patients who achieve a morphologic CR according to the response criteria * \<5% blasts in a bone marrow aspirate sample with spicules * There should be no blasts with Auer rods * No EMD * Absolute Neutrophil Count (ANC) ≥1,000/μL * Platelet count of ≥100,000/μL * Patient must be independent of transfusions (for at least 1week before each assessment)
Complete Remission Without Minimal Residual Disease (CRmrd) Rate826 daysproportion of patients who achieve a CR without minimal residual disease by multicolor flow cytometry according to the following criteria * Morphologic CR * Minimal Residual Disease (MRD) by MFC negative
Cytogenetic Complete Remission (CRc) Rate826 daysThe CRc rate is the proportion of patients who achieve a reversion to a normal karyotype at CR within the study period. This endpoint applies only to patients with abnormal cytogenetic at enrollment according to the following criterion Morphologic CR plus reversion to a normal karyotype (defined as no clonal abnormalities detected in a minimum of 20 mitotic cells)
Transfusion Independence (TI)826 daysTransfusion independence rate is defined as the proportion of patients who show eight weeks or over without red blood cell (RBC-TI) and/or platelet (PLT-TI) transfusion during study period

Other

MeasureTime frameDescription
Duration of Morphologic CR744 daysDuration of morphologic CR is defined as the time from the date of achievement of CR until the date of relapse (progression).
Composite Complete Remission (cCR) Rate744 daysComposite complete remission (cCR) rate is the proportion of patients who achieve either a disease response of CR, CRi or MLFS (i.e., cCR = CR + CRi + MLFS) within the study period, according to the response criteria
Morphologic CR Within 6 Cycles Ratewithin 6 cyclesMorphologic CR within 6 cycles rate is defined as the proportion of patients who achieved CR in the absence of interceding therapies within 6 treatment cycles (i.e., during treatment phase up to Day 1 of Cycle 7 included). Analysis was performed in the ITT set.
Time to CR616 daysTime to CR is defined as the time from the date of randomization until the date of CR in the absence of interceding therapies. The analysis set was the ITT set.
Duration of Composite Complete Remission744 daysDuration of cCR response is the time from first cCR until documented relapse (the definition of relapse from CR will be applied) or death. Duration of cCR is only defined for patients who achieve a cCR
Change in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)from baseline up to 660 daysQLQ-C30 is made of multi-item scales and single-item measures (functional and symptom scales, a global health status/QoL scale and single items). Item range is the difference between possible max and min response to individual items of the scale; most items take values from 1 to 4 (range=3). Global health status takes values from 1 to 7 (range = 6). For statistical analysis purpose, single-item and scale values were all standardized (according to linear transformation described in Scoring Manual) to obtain scores ranging 0-100. An high scale score represents an higher response level. Thus an high score for a functional scale represents an high/healthy level of functioning, an high score for the global health status/QoL represents a high QoL, an high score for a symptom scale/item represents an high level of symptomatology/problems.
Relapse Free Survival744 daysthe time from the date of achievement of CR or CRi until the date of relapse or death from any cause
Progressive Free Survival Rate (PFS)800 daysPFS is defined as the time from the date of randomization until the date of relapse (progression), or death from any cause, whichever occurs first.

Countries

Argentina, Australia, Austria, Brazil, Czechia, France, Germany, Hungary, Italy, Poland, Romania, South Korea, Spain, Taiwan, United Kingdom, United States

Participant flow

Recruitment details

Approx. 130 sites worldwide (planned), 116 sites where patients were randomized. Date of 1st patient screened: 12 Jul 2017 and Date of last patient completed: 08 Aug 2020 A total of 725 patients were screened. Of these, 319 were considered screening failures, so a total of 406 patients were randomized

Pre-assignment details

Based on request of the IDMC, the interim analysis was actually done on 30Jun2020 when 232/390 events occurred in the study, The study was stopped for futility.

Participants by arm

ArmCount
Pracinostat Plus AZA
60 mg capsule orally, once a day, 3 times a week for 3 weeks, followed by 1 week of rest of each 28-day cycle. As a background therapy azacitidine (AZA) will be administered at a dose of 75 mg/m2 by SC or IV injection daily for 7 days of each 28-day cycle. Pracinostat: 60 mg capsule Azacitidine: SC or IV injection
203
Placebo Plus AZA
1 capsule orally, once a day, 3 times a week for 3 weeks, followed by 1 week of rest of each 28-day cycle. As a background therapy azacitidine (AZA) will be administered at a dose of 75 mg/m2 by SC or IV injection daily for 7 days of each 28-day cycle. Placebos: capsule Azacitidine: SC or IV injection
203
Total406

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event2423
Overall StudyDeath4626
Overall Studynon-compliance by patient10
Overall Studyother reasons5652
Overall StudyPhysician Decision1319
Overall StudyProgressive disease4561
Overall Studyrandomized and not treated22
Overall StudyWithdrawal by Subject1620

Baseline characteristics

CharacteristicPracinostat Plus AZAPlacebo Plus AZATotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
196 Participants198 Participants394 Participants
Age, Categorical
Between 18 and 65 years
7 Participants5 Participants12 Participants
Age, Continuous75.4 years
STANDARD_DEVIATION 5.48
75.1 years
STANDARD_DEVIATION 5.91
75.3 years
STANDARD_DEVIATION 5.69
Cytogenetic Risk Category (central Lab results)
Intermediate
109 Participants107 Participants216 Participants
Cytogenetic Risk Category (central Lab results)
Missing
43 Participants36 Participants79 Participants
Cytogenetic Risk Category (central Lab results)
Unfavorable
51 Participants60 Participants111 Participants
Cytogenetic Risk Category (local or central Lab results used for randomization)
Intermediate
136 Participants135 Participants271 Participants
Cytogenetic Risk Category (local or central Lab results used for randomization)
unfavorable
67 Participants68 Participants135 Participants
ECOG PS (at cycle 1 Day 1)
Grade 0-1
114 Participants110 Participants224 Participants
ECOG PS (at cycle 1 Day 1)
Grade 2
85 Participants88 Participants173 Participants
ECOG PS (at cycle 1 Day 1)
Grade 3
0 Participants1 Participants1 Participants
ECOG PS (at cycle 1 Day 1)
Missing
4 Participants4 Participants8 Participants
ECOG PS (used for randomization)
Grade 0-1
113 Participants114 Participants227 Participants
ECOG PS (used for randomization)
Grade 2
90 Participants89 Participants179 Participants
Height165.1 cm
STANDARD_DEVIATION 10.23
165.7 cm
STANDARD_DEVIATION 8.96
165.4 cm
STANDARD_DEVIATION 9.61
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Asian
27 Participants26 Participants53 Participants
Race (NIH/OMB)
Black or African American
2 Participants4 Participants6 Participants
Race (NIH/OMB)
More than one race
3 Participants3 Participants6 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants1 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
22 Participants28 Participants50 Participants
Race (NIH/OMB)
White
149 Participants140 Participants289 Participants
Region of Enrollment
Argentina
3 Participants2 Participants5 Participants
Region of Enrollment
Australia
34 Participants29 Participants63 Participants
Region of Enrollment
Austria
4 Participants6 Participants10 Participants
Region of Enrollment
Brazil
10 Participants15 Participants25 Participants
Region of Enrollment
Czechia
10 Participants8 Participants18 Participants
Region of Enrollment
France
8 Participants10 Participants18 Participants
Region of Enrollment
Germany
5 Participants6 Participants11 Participants
Region of Enrollment
Hungary
12 Participants14 Participants26 Participants
Region of Enrollment
Italy
19 Participants11 Participants30 Participants
Region of Enrollment
Poland
21 Participants13 Participants34 Participants
Region of Enrollment
Romania
10 Participants7 Participants17 Participants
Region of Enrollment
South Korea
8 Participants7 Participants15 Participants
Region of Enrollment
Spain
24 Participants28 Participants52 Participants
Region of Enrollment
Taiwan
17 Participants18 Participants35 Participants
Region of Enrollment
United Kingdom
6 Participants11 Participants17 Participants
Region of Enrollment
United States
12 Participants18 Participants30 Participants
Renal impairment
Mildly decreased: 60-89 mL/mg/1.73 m2
118 Participants102 Participants220 Participants
Renal impairment
Mildly to moderately decreased: 45-59 mL/mg/1.73 m2
39 Participants41 Participants80 Participants
Renal impairment
Missing
3 Participants3 Participants6 Participants
Renal impairment
Moderately to severely decreased: 30-44 mL/mg/1.73 m2
18 Participants28 Participants46 Participants
Renal impairment
Normal or high: ≥ 90 mL/mg/1.73 m2
24 Participants28 Participants52 Participants
Renal impairment
Severely decreased: 15-29 mL/mg/1.73 m2
1 Participants1 Participants2 Participants
Sex: Female, Male
Female
87 Participants87 Participants174 Participants
Sex: Female, Male
Male
116 Participants116 Participants232 Participants
Smoking Habits
Current smoker
0 Participants3 Participants3 Participants
Smoking Habits
Ex-smoker
73 Participants79 Participants152 Participants
Smoking Habits
Non-smoker
130 Participants121 Participants251 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
121 / 203128 / 203
other
Total, other adverse events
197 / 201193 / 201
serious
Total, serious adverse events
153 / 201151 / 201

Outcome results

Primary

Overall Survival

OS measures the time from randomization to death due to any cause.

Time frame: 826 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZAOverall Survival303 days
Placebo Plus AZAOverall Survival303 days
p-value: 0.8275Log Rank
Secondary

Complete Remission Without Minimal Residual Disease (CRmrd) Rate

proportion of patients who achieve a CR without minimal residual disease by multicolor flow cytometry according to the following criteria * Morphologic CR * Minimal Residual Disease (MRD) by MFC negative

Time frame: 826 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pracinostat Plus AZAComplete Remission Without Minimal Residual Disease (CRmrd) Rate12 Participants
Placebo Plus AZAComplete Remission Without Minimal Residual Disease (CRmrd) Rate20 Participants
p-value: 0.143Cochran-Mantel-Haenszel
Secondary

Cytogenetic Complete Remission (CRc) Rate

The CRc rate is the proportion of patients who achieve a reversion to a normal karyotype at CR within the study period. This endpoint applies only to patients with abnormal cytogenetic at enrollment according to the following criterion Morphologic CR plus reversion to a normal karyotype (defined as no clonal abnormalities detected in a minimum of 20 mitotic cells)

Time frame: 826 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pracinostat Plus AZACytogenetic Complete Remission (CRc) Rate7 Participants
Placebo Plus AZACytogenetic Complete Remission (CRc) Rate8 Participants
p-value: 0.9977Cochran-Mantel-Haenszel
Secondary

Morphologic Complete Remission (CR) Rate

The CR rate is the proportion of patients who achieve a morphologic CR according to the response criteria * \<5% blasts in a bone marrow aspirate sample with spicules * There should be no blasts with Auer rods * No EMD * Absolute Neutrophil Count (ANC) ≥1,000/μL * Platelet count of ≥100,000/μL * Patient must be independent of transfusions (for at least 1week before each assessment)

Time frame: 744 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pracinostat Plus AZAMorphologic Complete Remission (CR) Rate24 Participants
Placebo Plus AZAMorphologic Complete Remission (CR) Rate35 Participants
p-value: 0.1244Cochran-Mantel-Haenszel
Secondary

Transfusion Independence (TI)

Transfusion independence rate is defined as the proportion of patients who show eight weeks or over without red blood cell (RBC-TI) and/or platelet (PLT-TI) transfusion during study period

Time frame: 826 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pracinostat Plus AZATransfusion Independence (TI)81 Participants
Placebo Plus AZATransfusion Independence (TI)81 Participants
p-value: 0.9959Cochran-Mantel-Haenszel
Other Pre-specified

Change in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)

QLQ-C30 is made of multi-item scales and single-item measures (functional and symptom scales, a global health status/QoL scale and single items). Item range is the difference between possible max and min response to individual items of the scale; most items take values from 1 to 4 (range=3). Global health status takes values from 1 to 7 (range = 6). For statistical analysis purpose, single-item and scale values were all standardized (according to linear transformation described in Scoring Manual) to obtain scores ranging 0-100. An high scale score represents an higher response level. Thus an high score for a functional scale represents an high/healthy level of functioning, an high score for the global health status/QoL represents a high QoL, an high score for a symptom scale/item represents an high level of symptomatology/problems.

Time frame: from baseline up to 660 days

ArmMeasureGroupValue (MEAN)Dispersion
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Global Health Status-7.040 score on a scaleStandard Deviation 31.4458
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Functional Scale - Physical Functioning-8.937 score on a scaleStandard Deviation 32.1163
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Functional Scale - Role Functioning-6.034 score on a scaleStandard Deviation 46.3793
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Fatigue2.107 score on a scaleStandard Deviation 34.2928
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Nausea and Vomiting5.460 score on a scaleStandard Deviation 28.1649
Pracinostat Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Appetite Loss9.771 score on a scaleStandard Deviation 42.8107
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Nausea and Vomiting5.263 score on a scaleStandard Deviation 23.287
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Global Health Status-2.303 score on a scaleStandard Deviation 28.6611
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Fatigue4.240 score on a scaleStandard Deviation 29.703
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Functional Scale - Physical Functioning-7.018 score on a scaleStandard Deviation 25.8512
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Symptom Scale - Appetite Loss3.509 score on a scaleStandard Deviation 40.215
Placebo Plus AZAChange in Quality of Life From Baseline (EORTC QLQ-C30 - European Organisation for Research and Treatment of Cancer Quality-of-life Questionnaire Core 30)Functional Scale - Role Functioning-2.000 score on a scaleStandard Deviation 40.2659
Other Pre-specified

Composite Complete Remission (cCR) Rate

Composite complete remission (cCR) rate is the proportion of patients who achieve either a disease response of CR, CRi or MLFS (i.e., cCR = CR + CRi + MLFS) within the study period, according to the response criteria

Time frame: 744 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Pracinostat Plus AZAComposite Complete Remission (cCR) Rate73 Participants
Placebo Plus AZAComposite Complete Remission (cCR) Rate64 Participants
p-value: 0.3502Cochran-Mantel-Haenszel
Other Pre-specified

Duration of Composite Complete Remission

Duration of cCR response is the time from first cCR until documented relapse (the definition of relapse from CR will be applied) or death. Duration of cCR is only defined for patients who achieve a cCR

Time frame: 744 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZADuration of Composite Complete Remission576 days
Placebo Plus AZADuration of Composite Complete Remission319 days
p-value: 0.0502Log Rank
Other Pre-specified

Duration of Morphologic CR

Duration of morphologic CR is defined as the time from the date of achievement of CR until the date of relapse (progression).

Time frame: 744 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZADuration of Morphologic CRNA days
Placebo Plus AZADuration of Morphologic CR319 days
p-value: 0.0592Log Rank
Other Pre-specified

Morphologic CR Within 6 Cycles Rate

Morphologic CR within 6 cycles rate is defined as the proportion of patients who achieved CR in the absence of interceding therapies within 6 treatment cycles (i.e., during treatment phase up to Day 1 of Cycle 7 included). Analysis was performed in the ITT set.

Time frame: within 6 cycles

ArmMeasureValue (NUMBER)
Pracinostat Plus AZAMorphologic CR Within 6 Cycles Rate14 number of patients
Placebo Plus AZAMorphologic CR Within 6 Cycles Rate16 number of patients
p-value: 0.7099Cochran-Mantel-Haenszel
Other Pre-specified

Progressive Free Survival Rate (PFS)

PFS is defined as the time from the date of randomization until the date of relapse (progression), or death from any cause, whichever occurs first.

Time frame: 800 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZAProgressive Free Survival Rate (PFS)217 days
Placebo Plus AZAProgressive Free Survival Rate (PFS)220 days
p-value: 0.7063Log Rank
Other Pre-specified

Relapse Free Survival

the time from the date of achievement of CR or CRi until the date of relapse or death from any cause

Time frame: 744 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZARelapse Free Survival291 days
Placebo Plus AZARelapse Free Survival190 days
p-value: 0.4656Log Rank
Other Pre-specified

Time to CR

Time to CR is defined as the time from the date of randomization until the date of CR in the absence of interceding therapies. The analysis set was the ITT set.

Time frame: 616 days

ArmMeasureValue (MEDIAN)
Pracinostat Plus AZATime to CRNA days
Placebo Plus AZATime to CR361 days
p-value: 0.3835Log Rank

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026