Trial Outcomes & Findings for APR-246 in Combination With Azacitidine for TP53 Mutated AML (Acute Myeloid Leukemia) or MDS (Myelodysplastic Syndromes) Following Allogeneic Stem Cell Transplant (NCT NCT03931291)

NCT ID: NCT03931291

Last Updated: 2025-03-17

Results Overview

Relapse-free survival (RFS) at 12 months or longer if data permits. RFS was defined as the time from HCT to relapse after HCT or death, whichever occurred first.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

33 participants

Primary outcome timeframe

Through study completion, an average of 1 year

Results posted on

2025-03-17

Participant Flow

Participant milestones

Participant milestones
Measure
Experimental Arm: APR-246 + Azacitidine
APR-246 and azacitidine maintenance therapy will continue for a maximum of 12 cycles APR-246: APR-246 will be administered on Days 1-4, with azacitidine on Days 1-5, of every 28 day cycle. Patients may receive a maximum of 12 cycles.
Overall Study
STARTED
33
Overall Study
COMPLETED
33
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

APR-246 in Combination With Azacitidine for TP53 Mutated AML (Acute Myeloid Leukemia) or MDS (Myelodysplastic Syndromes) Following Allogeneic Stem Cell Transplant

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Experimental Arm: APR-246 + Azacitidine
n=33 Participants
APR-246 and azacitidine maintenance therapy will continue for a maximum of 12 cycles APR-246: APR-246 will be administered on Days 1-4, with azacitidine on Days 1-5, of every 28 day cycle. Patients may receive a maximum of 12 cycles.
Age, Customized
65 years
n=5 Participants
Sex: Female, Male
Female
12 Participants
n=5 Participants
Sex: Female, Male
Male
21 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
Race (NIH/OMB)
White
30 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
Region of Enrollment
United States
33 participants
n=5 Participants

PRIMARY outcome

Timeframe: Through study completion, an average of 1 year

Population: Allogenic Transplant Patients with TP53 AML or MDS

Relapse-free survival (RFS) at 12 months or longer if data permits. RFS was defined as the time from HCT to relapse after HCT or death, whichever occurred first.

Outcome measures

Outcome measures
Measure
Experimental Arm: APR-246 + Azacitidine
n=33 Participants
APR-246 and azacitidine maintenance therapy will continue for a maximum of 12 cycles APR-246: APR-246 will be administered on Days 1-4, with azacitidine on Days 1-5, of every 28 day cycle. Patients may receive a maximum of 12 cycles.
To Assess Relapse-free Survival (RFS) in Patients With TP53 Mutated AML or MDS After Undergoing Allogeneic Hematopoietic Stem Cell Transplant (HSCT).
12.5 months
Interval 9.6 to 14.5

Adverse Events

Experimental Arm: APR-246 + Azacitidine

Serious events: 13 serious events
Other events: 33 other events
Deaths: 13 deaths

Serious adverse events

Serious adverse events
Measure
Experimental Arm: APR-246 + Azacitidine
n=33 participants at risk
APR-246 and azacitidine maintenance therapy will continue for a maximum of 12 cycles APR-246: APR-246 will be administered on Days 1-4, with azacitidine on Days 1-5, of every 28 day cycle. Patients may receive a maximum of 12 cycles.
General disorders
Pyrexia
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Disease progression
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
General Oedema
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Malise
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Pain
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Injury, poisoning and procedural complications
Hip Fracture
9.1%
3/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Injury, poisoning and procedural complications
Seroma
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Injury, poisoning and procedural complications
Spinal Fracture
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Blood and lymphatic system disorders
Febrile Neutropenia
6.1%
2/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Infections and infestations
Device related infection
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Infections and infestations
Urinary tract infection
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Infections and infestations
Viremia
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood Bilirubin Increased
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood Creatinine Increased
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Respiratory, thoracic and mediastinal disorders
Dysponea
6.1%
2/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Cardiac disorders
Pericardial effusion
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Abdominal pain Lower
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Psychiatric disorders
Confusional state
3.0%
1/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.

Other adverse events

Other adverse events
Measure
Experimental Arm: APR-246 + Azacitidine
n=33 participants at risk
APR-246 and azacitidine maintenance therapy will continue for a maximum of 12 cycles APR-246: APR-246 will be administered on Days 1-4, with azacitidine on Days 1-5, of every 28 day cycle. Patients may receive a maximum of 12 cycles.
Gastrointestinal disorders
Nausea
60.6%
20/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Platelet Count Decreased
48.5%
16/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Vomitting
45.5%
15/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Blood and lymphatic system disorders
Anemia
39.4%
13/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Nervous system disorders
Dizziness
39.4%
13/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
White blood cell count decreased
39.4%
13/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Fatigue
36.4%
12/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Diarrhea
33.3%
11/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Nervous system disorders
Tremor
33.3%
11/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Neutrophil Count decreased
27.3%
9/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Respiratory, thoracic and mediastinal disorders
cough
24.2%
8/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Skin and subcutaneous tissue disorders
pruritus
24.2%
8/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Pyrexia
24.2%
8/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Abdominal Pain
21.2%
7/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Consitpation
21.2%
7/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Decreased Appetite
21.2%
7/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Nervous system disorders
Headache
21.2%
7/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Metabolism and nutrition disorders
Hypocalcemia
21.2%
7/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Gastrointestinal disorders
Dry Mouth
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Nervous system disorders
Dyskinesia
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Metabolism and nutrition disorders
Hyperglycemia
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Metabolism and nutrition disorders
Hyperkalemia
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Vascular disorders
Hypertension
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Metabolism and nutrition disorders
Hypoalbuminemia
18.2%
6/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood cholesterol Increased
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood Creatinine Increased
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Eye disorders
Dry Eye
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Skin and subcutaneous tissue disorders
Dry Skin
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Respiratory, thoracic and mediastinal disorders
Dyspnea
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Renal and urinary disorders
Dysuria
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Metabolism and nutrition disorders
Hypokalemia
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Psychiatric disorders
Insomnia
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
General disorders
Edema Peripheral
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Skin and subcutaneous tissue disorders
Rash
15.2%
5/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Musculoskeletal and connective tissue disorders
Arthralgia
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Nervous system disorders
Ataxia
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood Alkaline Phosphate Increased
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Blood Lactate Dehydrogenase Increased
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Skin and subcutaneous tissue disorders
Dermatitis acneiform
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Musculoskeletal and connective tissue disorders
Muscular weakness
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Skin and subcutaneous tissue disorders
Rash maculo-papular
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Investigations
Serum ferritin increased
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.
Blood and lymphatic system disorders
Thrombocytopenia
12.1%
4/33 • 13 months
The AE reporting period starts from the day of signing the post-transplant informed consent form. AEs will be collected for 30 days after the last dose of study drug.

Additional Information

Senior Medical Advisor

Aprea Therapeutics

Phone: 215-948-4119

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60