Status and phase
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Treatments
Study type
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About
ASpiRE will investigate the effect of the drug SX-682 in combination with Apalutamide in men suffering from metastatic castration-resistant prostate cancer (mCRPC).
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Written informed consent and be capable of cooperating with treatment.
Age ≥ 18 years.
Histologically or biochemically confirmed adenocarcinoma of the prostate and with tumour tissue accessible for research analysis for this trial. Patients who have no histological diagnosis must be willing to undergo a biopsy to prove prostate adenocarcinoma.
Patients recruited to phase 1 dose escalation cohorts must have biopsiable disease and consent to mandatory pre- and post-treatment biopsies (baseline and on Cycle 2 Day 1).
Metastatic castration-resistant prostate cancer.
All patients must have documented resistance to 1 prior next generation antiandrogen therapy (NAAT) defined as:
For phase 1 and phase 2 Cohorts:
Patients who have progressed after either enzalutamide, Apalutamide or darolutamide (having received a minimum of 12-weeks of enzalutamide, Apalutamide or darolutamide) will enter phase 1 or phase 2 cohorts directly. Patients that have previously received abiraterone but not an AR antagonist should receive a lead-in with Apalutamide on trial and receive the combination on progression through the lead-in.
Documented prostate cancer progression as assessed by the investigator with RECIST v1.1 and PCWG3 criteria (Section 3.5) with at least two of the following criteria:
PSA ≥ 10ng/ml.
Received prior castration by orchiectomy and/or ongoing luteinizing hormone releasing hormone agonist treatment.
Ongoing androgen deprivation with serum testosterone < 50 ng/dL (< 1.7 nM).
Eastern Cooperative Oncology Group (ECOG) Performance Status of ≤2.
Documented willingness to use an effective means of contraception while participating in the study and for 6 months post last treatment dose.
Able to swallow the study drug.
All efforts should be made to discontinue steroid usage but up-to 5mg BD prednisolone (or equivalent) will be allowed.
Haematological and biochemical indices within the ranges shown below. These measurements must be performed within one week (Day -7 to Day 1) before the patient goes on trial.
Haemoglobin (Hb) ≥ 9.0 g/dL Absolute neutrophil count ≥ 1.5 x 109/L Platelet count ≥ 100 x 109/L WBC ≥ 3.0 x 109/L Calculated creatinine clearance ≥ 50 mL/min (uncorrected value) Serum bilirubin ≤ 1.5 x upper limit of normal (ULN) unless documented Gilbert's disease., in which case ≤ 3 x ULN is permissible Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 x (ULN) unless raised due to known metastatic liver disease in which case ≤ 5 x ULN is permissible
Exclusion criteria
Surgery, chemotherapy, or other anti-cancer therapy within 4 weeks prior to trial entry/randomisation into the study (with the exception of abiraterone, enzalutamide, Apalutamide or darolutamide). Any other therapy for prostate cancer, other than gonadotropin releasing hormone analogue therapy, such as progesterone, medroxyprogesterone, progestins or 5-alpha reductase inhibitors, must be discontinued at least 2 weeks before the first dose of the study drug.
Participation in another interventional clinical trial of an IMP within 4 weeks prior to trial entry. Participation in trials of licensed medications is allowed provided the medication is not a prohibited concomitant medication.
Prior limited field radiotherapy within 2 weeks and wide field radiotherapy within 4 weeks prior to trial entry.
Clinical and/or biochemical evidence of hyperaldosteronism or hypopituitarism.
History of seizures or other predisposing factors including, but not limited to, underlying brain injury, stroke, primary brain tumours, brain metastases and leptomeningeal disease, or alcoholism.
Malabsorption syndrome or other condition that would interfere with enteral absorption.
Any of the following cardiac criteria:
Clinically significant history of liver disease (Child-Pugh B or C, viral or other hepatitis, current alcohol abuse or cirrhosis).
Any other finding giving reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or that may affect interpretation of the results or renders the patients at high risk from treatment complications, e.g., patients with a hypersensitivity to the active substance or any of the excipients.
Malignancy other than prostate cancer within 5 years of trial entry except for adequately treated basal cell carcinoma.
Unresolved significant toxicity from prior therapy (except alopecia and grade 1 peripheral neuropathy).
Inability to comply with study and follow-up procedures.
Predominantly small cell or neuroendocrine differentiated (> 20% of cells) prostate cancer.
Immunocompromised patients.
Active or uncontrolled autoimmune disease requiring corticosteroid therapy.
History of thromboembolic disease within 12 months of commencement of trial.
At high-risk because of non-malignant systemic disease including active infection and any serious concurrent illness.
Any known intolerance to Apalutamide, SX-682, or to any constituents.
Symptoms of COVID-19 and/or documented COVID-19 infection.
Is taking any of the following prohibited medications:
History of previous non-infectious pneumonitis requiring steroid treatment, or active non-infectious pneumonitis.
History of previous severe drug induced severe cutaneous reaction including but not limited to Steven-Johnson's syndrome/toxic epidermal necrolysis, drug reaction with eosinophilia and systemic symptoms (DRESS).
Primary purpose
Allocation
Interventional model
Masking
78 participants in 2 patient groups
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Central trial contact
Aasia Hussain, PhD; Bindumalini Rao Baikady, PhD
Data sourced from clinicaltrials.gov
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