E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Advanced or recurrent solid tumors, recurrent or progressive glioblastoma, or high-grade glioma |
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E.1.1.1 | Medical condition in easily understood language |
Advanced or recurrent solid tumors or brain cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10065147 |
E.1.2 | Term | Malignant solid tumor |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10018336 |
E.1.2 | Term | Glioblastoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Phase 2a dose expansion portion (Simon’s two-stage design):
To determine the efficacy of daily oral BAL101553 in patients with recurrent GBM whose tumor tissue is positive for end-binding protein 1 (EB1) based on immunohistochemistry (IHC) based on the objective response rate as per RANO criteria. A tissue-screening program adhering to local standards in selected countries will be established to support the identification of potential patients. |
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E.2.2 | Secondary objectives of the trial |
Phase 2a dose expansion portion (Simon’s two-stage design):
- To evaluate the efficacy of BAL101553 based on overall survival (OS), progression-free
survival (PFS) and the proportion of patients with PFS at 6 months after start of study drug treatment (PFS6).
- To evaluate the safety and tolerability of daily oral BAL101553.
- To evaluate BAL101553 and BAL27862 pharmacokinetics (PK). |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Age 18 years or older.
2. Patients who have in the Phase 2a dose expansion portion (Simon’s two-stage design):
Recurrent, histologically confirmed, GBM with tumor tissue positive for EB1 by IHC as determined by central laboratory testing; eligible are patients with de novo GBM after prior radical chemoradiotherapy or secondary GBM after prior chemotherapy or radiotherapy; patients must be neurologically stable, without progression of neurologic symptoms, within 15 days prior to starting study drug.
3. Phase 2 a dose expansion portion (Simon’s two-stage design): Patients with recurrent glioblastoma must be evaluable per RANO, defined by contrast-enhancing MRI, within 15 days prior to starting study drug.
4. Life expectancy ≥ 12 weeks.
5. Acceptable organ and marrow function documented within 15 days prior to starting study drug, defined as follows:
- Absolute neutrophil count ≥ 1.5 × 109/L.
- Platelets ≥ 100 × 109/L.
- Hemoglobin ≥ 9 g/dL.
- Total bilirubin ≤ 1.5 × institutional upper limit of normal (ULN),
unless the patient has known Gilbert’s syndrome.
- Aspartate amino transferase (AST) and alanine amino transferase (ALT) ≤ 2.5 × institutional ULN or ≤ 5 × ULN in presence of liver
metastasis.
- Serum creatinine ≤ 1.5 × institutional ULN, or creatinine clearance ≥ 60 mL/min by Cockcroft-Gault formula.
- Serum sodium ≥ the institutional lower limit of normal (LLN).
6. Patients with advanced solid tumors must have an Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1 and patients with recurrent or progressive glioblastoma must have an Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2.
7. Female patients who are not pregnant or breast-feeding and meet one of the following conditions:
- Postmenopausal
- Post-hysterectomy and/or post-bilateral salpingectomy or
ovariectomy.
- Congenital or acquired condition that prevents childbearing.
- Women of childbearing potential must have a negative serum human chorionic gonadotropin (hCG) pregnancy test result and must use highly effective contraceptive methods for the duration of the study and for an additional 90 days after the last dose of study drug. Highly effective contraceptive methods include: male or female sterilization (bilateral tubal occlusion or vasectomy), intrauterine device (IUD), intrauterine hormone-releasing system (IUS), combined (estrogen and progestogen containing) hormonal
contraception associated with inhibition of ovulation (oral, intravaginal, transdermal), progestogen-only hormonal contraception associated with inhibition of ovulation (oral, injectable, implantable), total heterosexual abstinence.
8. Male patients must agree not to donate sperm from the first dose of study drug until 90 days after the end of treatment. Male patients, without a vasectomy or other conditions resulting in azoospermia and with a partner of childbearing potential, must agree to use condoms during the study and for at least 90 days after the end of treatment.
9. Signed, written informed consent.
10. Patients must be able and willing to comply with the required food intake restrictions. |
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E.4 | Principal exclusion criteria |
Patients meeting any of the following exclusion criteria at screening must not be enrolled in the study:
1. Patients with advanced or recurrent solid tumors who have received chemotherapy, radiotherapy, immunotherapy, or investigational agents within 4 weeks (2 weeks for single fraction of palliative radiotherapy, 6 weeks for nitrosoureas or mitomycin C) prior to starting study drug, or who have not recovered to ≤ Common Terminology Criteria for Adverse Events version 4.03 grade ≤ 1 from all side effects of prior therapies except for residual toxicities, such as alopecia, which do not pose an ongoing medical risk.
• Patients with prostate cancer must have discontinued anti-androgens (e.g., bicalutamide, nilutamide) for at least 6 weeks prior to starting study drug; chemical castration with luteinizing hormone-releasing hormone analogues can be continued.
Patients with recurrent or progressive GBM or high-grade glioma who have: received radiotherapy within 6 weeks, unless there is a new area of enhancement consistent with recurrent tumor outside the radiation field, or there is histological confirmation of unequivocal tumor progression; received administration of prior anti-tumor chemotherapy within 4 weeks, or within 6 weeks for nitrosoureas; undergone surgical resection within 4 weeks (Phase2a: 2 weeks) or a stereotactic biopsy/core biopsy within 1 week prior to starting study drug.
2. Patients who have had prior exposure to BAL101553.
3. Inability to swallow oral medication.
4. Increase in steroid dose in GBM or high-grade glioma patients within 5 days prior to first study-drug administration.
5. Patients with gastrointestinal disease or those who have had a procedure that is expected to interfere with the oral absorption or tolerance of BAL101553 (e.g., functionally relevant gastrointestinal obstruction, or frequent vomiting).
6. Symptomatic brain metastases or leptomeningeal disease, indicative of active disease, in patients with advanced or recurrent solid tumors.
7. Peripheral neuropathy ≥ CTCAE grade 2.
8. Known human immunodeficiency virus (HIV) infection.
9. Known acute or chronic hepatitis B or hepatitis C infection.
10. Systolic blood pressure ≥ 140 mmHg or diastolic blood pressure (DBP) ≥ 90 mmHg at the screening visit. Patients with an initial clinic BP ≥ 140/90 mmHg may be included if SBP < 140 mmHg and DBP < 90 mmHg is confirmed in two subsequent BP measurements on the same day, or if subsequent daytime average from ABPM is SBP < 130 mmHg and DBP < 85 mmHg.
11. Blood pressure combination treatment with more than two antihypertensive medications.
12. Any history of cerebral hemorrhage, cerebral aneurysm, or ischemic stroke; or a history of transient ischemic attack within 24 months prior to screening in patients with advanced or recurrent solid tumors.
Acute intratumoral hemorrhage in patients with recurrent or progressive GBM or high-grade glioma, considered by the study Investigator to be clinically significant.
• Patients with MRI or CT demonstrating old hemorrhage or subacute bleed after a neurosurgical procedure (biopsy or resection) will be eligible for treatment.
13. Significant cardiac disease or abnormality, including any one of the following:
• Left ventricular ejection fraction < 50% at screening (assessed by echocardiography).
• QTcF > 470 ms on screening electrocardiogram (ECG) or a clinically relevant ECG abnormality.
• Congenital long QT syndrome.
• History of sustained ventricular tachycardia, ventricular fibrillation or torsades de pointes.
• Presence of atrial fibrillation with tachyarrhythmia (ventricular response rate > 100 bpm).
• Bradycardia (heart rate < 50 bpm).
• Complete left bundle branch block.
• Bifascicular block (complete right bundle branch block and anterior or posterior left hemiblock).
• Myocardial infarction, acute coronary syndrome (including unstable angina), coronary revascularization procedures, or coronary arterial bypass grafting within 6 months prior to starting study drug.
• Cardiac troponin (either troponin T or troponin I) above institutional ULN.
• Congestive heart failure of New York Heart Association class III or IV.
14. Uncontrolled intercurrent illness that would unduly increase the risk of toxicity or limit compliance with study requirements in the opinion of the Investigator; including but not limited to: ongoing or active symptomatic infection, uncontrolled diabetes mellitus, unstable or uncompensated cardiac, hepatic, renal, respiratory, or psychiatric illness.
15. Current anticoagulation with warfarin potassium or other coumarin derivates. Heparin/low-molecular weight heparin (at prophlylaxis or treatment doses), aspirin or other oral platelet inhibitors are permitted.
16. Women who are pregnant or breast-feeding. Men or women of reproductive potential who are not willing to apply effective birth control during the study and for at least 30 days after the last dose of study drug in both sexes. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Phase 2a dose expansion portion (Simon’s two-stage design):
To determine the efficacy of daily oral BAL101553 in patients with recurrent GBM whose tumor tissue is positive for end-binding protein 1 (EB1) based on immunohistochemistry (IHC) based on the objective response rate as per RANO criteria. A tissue-screening program adhering to local standards in selected countries will be established to support the identification of potential patients. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
The MTD is determined by DLT assessment. A DLT can occur on any dosing day or at any time thereafter. Objective response is assessed during the whole clinical trial. |
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E.5.2 | Secondary end point(s) |
Overall safety endpoints:
Type and frequency of AE, SAEs, laboratory, echocardiogram and ECG abnormalities; abnormalities in vital signs, physical examination results, chest X-ray/CT; frequency and causes of study withdrawals and dose modifications.
Efficacy endpoints:
- Best objective response according to RECIST 1.1 in patients with solid tumors, based on the change from baseline in tumor measurements as measured in patients with measurable disease, and according to RANO criteria in patients with progressive or recurrent GBM or high-grade glioma (Phase 1 only).
- Change from baseline in tumor markers (CA-125, PSA) in patients whose disease is characterized by these tumor markers utilizing Rustin criteria for ovarian cancer or PSA Working Group 2 criteria for prostate cancer.
- Progression-free survival and OS.
Pharmacokinetic assessments (BAL101553 and BAL27862):
- Cmax, Tmax, AUC0-t, AUC0-τ, AUC0-last, AUC0-∞, t½, systemic clearance and volume of distribution.
- Total 24 h urinary excretion of BAL101553 and BAL27862.
Exploratory endpoints:
- Change from baseline in biomarkers (including but not limited to numbers of CTCs, CECs, CEPs). |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Safety, tolerability, and anti-tumor activity is assessed during the whole
clinical trial. Progression-free survival is assessed for 6 months and OS is assessed at 3-month intervals until death.
Phase 2a dose expansion portion (Simon's two-stage design):
Pharmacokinetics is assessed at pre-specified time points over 4 weeks
in Phase 2a. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
Phase 1 dose escalation portion with Phase 2a dose expansion portion |
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E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Information not present in EudraCT |
E.8.2.2 | Placebo | Information not present in EudraCT |
E.8.2.3 | Other | Information not present in EudraCT |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 4 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Switzerland |
United Kingdom |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
Completion of the last study-related contact with any patient. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 8 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |