E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Male and female subjects with HCC of any etiology who have progressed on or were intolerant to sorafenib or other anti-VEGF therapy in the advanced setting |
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E.1.1.1 | Medical condition in easily understood language |
Male and female subjects with Advanced Hepatocellular Carcinoma |
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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 | 19.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10073071 |
E.1.2 | Term | Hepatocellular carcinoma |
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 | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate the efficacy of enzalutamide in subjects with advanced hepatocellular carcinoma (HCC) as measured by overall survival (OS). |
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E.2.2 | Secondary objectives of the trial |
To evaluate: - the safety of enzalutamide in subjects with advanced HCC. - the pharmacokinetics (PK) of enzalutamide and the active metabolite N-desmethyl enzalutamide in subjects with advanced HCC. - the Time to Progression (TTP) and Progression Free Survival (PFS) of enzalutamide as compared to placebo in subjects with advanced HCC. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Waivers to the inclusion and exclusion criteria will NOT be allowed. 1. Subject has consented and signed an Institutional Review Board (IRB)/Independent Ethics Committee (IEC) approved written Informed Consent and privacy language as per national regulations (e.g., Health Insurance Portability and Accountability Act [HIPAA] for U.S. sites) prior to any study-related procedures (including withdrawal of prohibited medication, if applicable). 2. Subject is ≥ 18 years of age or is considered an adult according to local regulation at the time of signing informed consent. 3. Subject has histological diagnosis of advanced HCC of any etiology. Clinical diagnosis by the European Association for the Study of the Liver (EASL) criteria is acceptable. For subjects without cirrhosis, histological confirmation is required (archive samples are acceptable). 4. Subject has BCLC stage B or C. 5. Subject’s lesions are not amenable to local therapies which may be beneficial, such as transarterial chemoembolization (TACE), radiofrequency ablation, radiotherapy etc., and the subject is not a candidate for any curative treatments such as resection or liver transplant. 6. Subject has hepatic function status of Child Pugh Class A at Screening. 7. Subject received prior systemic treatment for HCC with sorafenib or other anti-VEGF therapy and had confirmed disease progression or had discontinued treatment due to a drug-related toxicity. Subject may have received 1 line of systemic therapy before or after sorafenib/anti-VEGF treatment. 8. Subject has adequately recovered from toxicities due to prior HCC therapy to ≤ grade 1. 9. Subject has an ECOG performance status ≤ 1 at Screening and on Day 1. 10. Subject has available formalin-fixed, paraffin-embedded tumor specimen with adequate viable tumor cells in a tissue block unstained serial slides accompanied by an associated pathology report prior to enrollment. Archival or fresh biopsy tissue is acceptable. 11. Subject has an estimated life expectancy of at least 3 months on Day 1, in the opinion of the investigator 12. Female subject is either: ● Not of childbearing potential: -postmenopausal (defined as no spontaneous menses for at least 12 consecutive months prior to Screening with follicle-stimulating hormone [FSH] > 40 IU/L for women < 55 years of age at Screening), or -documented to be surgically sterile or status posthysterectomy (at least 1 month prior to Screening). ● Or, if of childbearing potential: - must have a negative urine pregnancy test at Screening and on Day 1 before the first dose of study drug is administered, and - must use 2 acceptable methods of birth control* if sexually active from Screening through 3 months after the last dose of study drug. 13. Sexually Active Male subject and his female partner who is of childbearing potential must use 2 acceptable methods of birth control from Screening through 3 months after the last dose of study drug. *Two acceptable methods of birth control are as follows: ● Condom (barrier method of contraception); AND ● One of the following is required: - Placement of an intrauterine device (IUD) or intrauterine system (IUS) by the female subject or female partner of a male subject; - Additional barrier method: contraceptive sponge or occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/suppository by the female subject or female partner of a male subject. - For male subject or male partner of female subject, vasectomy or other procedure resulting in infertility (e.g., bilateral orchiectomy) performed at least 6 months before Screening. -Tubal ligation in the female partner of a male subject performed at least 6 months before Screening. - Established and ongoing use of oral, injected, or implanted hormonal contraceptive by female partner of a male subject. 14. Female subject must not be breastfeeding at Screening or during the study period and for 3 months after final study drug administration. 15. Subject must agree not to donate sperm or ova from first dose of study drug through 3 months after the last dose of study drug. 16. Throughout the study, male subject must use a condom if having sex with a pregnant woman. 17. Subject must be able to swallow study drug and comply with study requirements. 18. Subject agrees not to participate in another interventional study while on treatment. |
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E.4 | Principal exclusion criteria |
1. Subject has a severe concurrent disease, infection or comorbidity that, in the judgment of the investigator, would make the subject inappropriate for enrollment. 2. Subject has fibrolamellar variant of HCC. 3. Subject has status of Child-Pugh Class B or C at Screening. 4. Subject has a history of organ allograft including liver transplant. 5. Subject has uncontrolled symptomatic ascites. 6. Subject has known or suspected brain metastasis or active leptomeningeal disease. 7. Subject has a history of a non-HCC malignancy with the following exceptions: -The subject with a previous history of a noninvasive carcinoma is eligible if in the opinion of the investigator he/she has had successful curative treatment any time prior to Screening and requires no further therapy for the malignancy. -For all other malignancies, the subject is eligible if he/she has undergone potentially curative therapy and has been considered disease free for at least 3 years prior to Screening. 8. Subject has inadequate marrow, hepatic, and/or renal function at the Screening Visit defined as: -Absolute neutrophil count < 1.5 x109/L (< 1500 cells/mm3) -Platelet count < 50 x109/L (< 50,000 cells/mm3) -Hemoglobin < 8.5 g/dL (< 5.3 mmol/L) -International normalized ratio > 1.7 -Albumin < 2.8 g/dL (< 28 g/L) -Total bilirubin (TBL) > 2 x ULN -AST or ALT > 5 x ULN -Creatinine > 1.5 x ULN Note: Transfusions/infusions to meet eligibility criteria are not allowed but if in the opinion of the Principle Investigator, it is beneficial, the patient may be re-screened after receiving one of these procedures. 9. Subject has a history of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma, encephalopathy within 3 months of Day 1). 10. Subject has a history of bleeding esophageal varices within 3 months before the Day 1 visit. 11. Subject has a history of loss of consciousness or transient ischemic attack within 12 months before the Day 1 visit. 12. Subject has clinically significant cardiovascular disease including: -Myocardial infarction within 6 months before the Day 1 visit. -Uncontrolled angina within 6 months before the Day 1 visit. -Congestive heart failure New York Heart Association (NYHA) Class III or IV or history of congestive heart failure NYHA Class III or IV in the past, unless a Screening echocardiogram or multi-gated acquisition scan performed within 3 months before the Day 1 visit reveals a left ventricular ejection fraction that is ≥ 45%. - History of clinically significant ventricular arrhythmias (e.g., ventricular tachycardia, ventricular fibrillation, Torsade de Pointes). -History of Mobitz II second degree or third degree heart block without a permanent pacemaker in place. - Hypotension as indicated by systolic blood pressure < 86 mmHg on 2 consecutive measurements at the Screening visit. -Bradycardia (in the presence of known cardiovascular disease) as indicated by a heart rate of < 50 beats per minute on the Screening electrocardiogram (ECG) recording. -Uncontrolled hypertension as indicated by systolic blood pressure > 170 mmHg or diastolic blood pressure > 105 mmHg on 2 consecutive measurements at the Screening visit. 13. Subject has a gastrointestinal disorder affecting absorption. 14. Subject had previous local therapy (e.g., surgery, radiation therapy, hepatic arterial therapy, chemoembolization, radiofrequency ablation, percutaneous ethanol injection or cryoablation) within 14 days prior to Day 1, has not recovered from toxicities from prior local therapy or may require major surgical procedure during the course of the study. 15. Subject has received chemotherapy, immunotherapy or any other systemic anticancer therapy (including sorafenib) or any other investigational drug within 14 days prior to the Day 1 visit. 16. Subject has received an agent that either blocks androgen synthesis or targets the AR (e.g., abiraterone acetate, bicalutamide, enzalutamide, ARN-509 or other investigational AR signaling inhibitors). The Exception of spironolactone is allowed after Medical Monitor consultation. 17. Subject has used any of the following within 28 days before the Day 1visit: -5-α reductase inhibitors - Systemic androgens and estrogens (vaginal estrogen creams are allowed) -Herbal therapies, with an antitumor effect. 18. Subject has a known history of positive test for Human Immunodeficiency Virus. 19. Subject has shown a hypersensitivity reaction to the active pharmaceutical ingredient or any of the enzalutamide capsule components, including caprylocaproyl polyoxylglycerides (Labrasol), butylated hydroxyanisole and butylated hydroxytoluene. 20. Subject has addictive/substance abuse problems. 21. Subject has any other condition or reason that, in the opinion of the investigator, interferes with the ability of the subject to participate in the trial, places the subject at undue risk or complicates the interpretation of safety data. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy variable is overall survival (OS). |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
OS is defined as the time from the date of randomization until date of death from any cause |
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E.5.2 | Secondary end point(s) |
Safety Endpoints: The safety of enzalutamide will be assessed on an ongoing basis by evaluation of AEs/serious adverse events, clinical safety laboratory tests, vital signs, and other safety measures. Pharmacokinetic Endpoints: Predose plasma concentrations of enzalutamide and N-desmethyl enzalutamide will be analyzed. Efficacy Endpoints: ● Time to Progression (TTP), ● Progression Free Survival (PFS) |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Efficacy Endpoints: ● PFS, defined as the time from the date of randomization until the date of documented radiographic disease progression according to Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 or death from any cause on study, whichever occurs first as assessed by the investigator. |
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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 | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | Yes |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
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 | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 20 |
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 |
Canada |
France |
Hong Kong |
Italy |
Korea, Republic of |
Puerto Rico |
Spain |
Taiwan |
United Kingdom |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
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
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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 | 4 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 4 |
E.8.9.2 | In all countries concerned by the trial days | 0 |