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A Dose-Finding Study of OTX105/MK-8628, a Small Molecule Inhibitor of the Bromodomain and Extra-Terminal (BET) Proteins, in Adults With Selected Advanced Solid Tumors (MK-8628-003)

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Oncoethix GmbH
ClinicalTrials.gov Identifier:
NCT02259114
First received: October 3, 2014
Last updated: March 24, 2017
Last verified: March 2017
  Purpose

Open-label, phase I, non-randomized, multicentric study of single-agent OTX105/MK-8628 administered according to two distinct regimens to participants with selected advanced tumors.

The study will be performed in two parts.

Dose Escalation Part:

This step is designed to determine the maximum tolerated dose (MTD) in each of the two regimens, which will be evaluated in parallel. Participants will receive oral OTX105/MK-8628 according to:

Continuous Dosing Regimen: continuous, once daily for 21 consecutive days (21-day cycles).

OR Days 1-7 Dosing Regimen: once daily on Days 1 to 7, repeated every 3 weeks (21-day cycles; 1 week ON/2 weeks OFF).

Participants will be sequentially assigned to Continuous Dosing Regimen or Days 1-7 Dosing Regimen according to the next available place and receive OTX105/MK-8628 at escalating doses levels (DL). Cohorts of 3 participants will be treated, and an additional 3 participants will be treated at the first indication of dose-limiting toxicity (DLT). MTD assessment will be based on the tolerability observed during the first 21 days of treatment.

Expansion Part:

The efficacy of OTX105/MK-8628 in each of the five indications (i.e., Bromodomain-Nuclear Protein in Testis [BRD-NUT] midline carcinoma, triple negative breast cancer [TNBC], non-small cell lung cancer [NSCLC] harboring a rearrangement Anaplastic Lymphoma Kinase [ALK] gene/fusion protein or Kirsten Ras [KRAS] mutation, castrate-resistant prostate cancer, and pancreatic ductal carcinoma) will be assessed in terms of response (Response Evaluation Criteria in Solid Tumors v1.1 [RECIST v1.1] or Prostate Cancer Clinical Trials Working Group 2 [PCWG2]) using a selected regimen.


Condition Intervention Phase
NUT Midline Carcinoma Triple Negative Breast Cancer Non-small Cell Lung Cancer With Rearranged ALK Gene/Fusion Protein or KRAS Mutation Castrate-resistant Prostate Cancer (CRPC) Pancreatic Ductal Adenocarcinoma Drug: OTX015/MK-8628 Phase 1

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: No masking
Primary Purpose: Treatment
Official Title: A Phase IB Trial With OTX015/MK-8628, a Small Molecule Inhibitor of the Bromodomain and Extra-Terminal (BET) Proteins, in Patients With Selected Advanced Solid Tumors

Resource links provided by NLM:


Further study details as provided by Oncoethix GmbH:

Primary Outcome Measures:
  • Number of Dose Limiting Toxicities (DLTs) During Cycle 1 [ Time Frame: Up to Cycle 1 Day 21 (Up to 21 days) ]

Enrollment: 47
Actual Study Start Date: October 23, 2014
Study Completion Date: March 3, 2017
Primary Completion Date: March 3, 2017 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Continuous Dosing Regimen
Participants receive OTX105/MK-8628 capsules once daily in a fasted state in the morning on Days 1-21 of each 21-day cycle. Starting dose for dose escalation is 80 mg.
Drug: OTX015/MK-8628
OTX105/MK-8628 10, 20 and/or 40 mg capsules
Experimental: Days 1-7 Dosing Regimen
Participants receive OTX105/MK-8628 capsules once daily in a fasted state in the morning on Days 1-7 of each 21-day cycle. Starting dose for dose escalation is 100 mg.
Drug: OTX015/MK-8628
OTX105/MK-8628 10, 20 and/or 40 mg capsules

  Eligibility

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Signed informed consent obtained prior to initiation of any study-specific procedures and treatment;
  2. Histologically or cytologically confirmed diagnosis of one of the following advanced or metastatic solid tumors for which standard therapy either does not exist or has proven ineffective, intolerable or inacceptable for the patient:

    • NUT midline carcinoma (ectopic expression of NUT protein as determined by immunohistochemistry (IHC) and/or detection of BRD-NUT gene translocation as determined by fluorescence In situ hybridization [FISH]);
    • Triple negative breast cancer defined according to American Society of Clinical Oncology (ASCO) recommendations (Hammond et al., 2010; Wolff et al., 2007);
    • Non-small cell lung cancer harboring a rearranged ALK gene/fusion protein (FISH or IHC) or KRAS mutation (as defined by any molecular analysis);
    • Castrate-resistant prostate cancer (CRPC);
    • Pancreatic ductal adenocarcinoma;
  3. At least one measurable lesion as per RECIST version 1.1., except for CRPC participants who may be enrolled with objective evidence of disease as per PCWG2 criteria;
  4. Age ≥18 years at the time of informed consent;
  5. Life expectancy ≥3 months;
  6. Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) ≤1;
  7. Adequate bone marrow reserve, renal and liver function:

    • Absolute neutrophil count ≥1.5 x10^9/L,
    • Platelet count ≥150 x10^9/L,
    • Hemoglobin ≥9 g/dL,
    • Creatinine clearance ≥30 mL/min calculated according to the Cockroft and Gault formula or Modification of Diet in Renal Disease (MDRD) formula for participants aged >65 years,
    • Alanine aminotransferase (ALT), aspartate aminotransferase (AST) ≤3 x upper limit of normal (ULN) and total bilirubin ≤1.25 x ULN (in case of liver involvement, ALT/AST ≤5 x ULN and total bilirubin ≤2 x ULN will be allowed),
    • Serum albumin ≥2.8 g/dL,
    • International Normalized Ratio (INR) ≤1.5 x ULN or INR <3 for participants treated with antivitamin K;
  8. An interval of ≥3 weeks since chemotherapy (≥6 weeks for nitrosoureas or mitomycin C), immunotherapy, hormone therapy or any other anticancer therapy or surgical intervention resection, or ≥3 half-lives for monoclonal antibodies, or ≥5 half-lives for other non-cytotoxic agents (whichever is longer);
  9. CRPC participants must maintain ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analogue, antagonist or orchiectomy providing serum testosterone is <50 ng/dL (<1.7 nmol/L);
  10. Participants receiving bisphosphonate or denosumab therapy must be on stable doses for at least 4 weeks before initiating study treatment.

Exclusion Criteria:

  1. Inability to swallow oral medications or presence of a gastrointestinal disorder (e.g. malabsorption) deemed to jeopardize intestinal absorption of OTX015/MK-8628;
  2. Persistent grade >1 clinically significant toxicities related to prior antineoplastic therapies (except for alopecia); stable sensory neuropathy ≤ grade 2 National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v.4.0 is accepted.
  3. Known primary central nervous system (CNS) malignancy or CNS involvement;
  4. History of prior or concomitant malignancies (other than excised non-melanoma skin cancer or cured in situ cervical carcinoma) within 3 years of study entry;
  5. Other serious illness or medical conditions, such as active infection, unresolved bowel obstruction, or psychiatric disorders;
  6. Known human immunodeficiency virus (HIV) positivity;
  7. Participation in another clinical trial or treatment with any investigational drug within 30 days prior to study entry;
  8. Other concomitant anticancer treatment;
  9. Concomitant therapy with strong CYP3A4 interfering drugs;
  10. Current use of anticoagulants (e.g. warfarin, heparin) at therapeutic levels within 7 days prior to the first dose of OTX015/MK-8628. Low-dose (prophylactic) low molecular weight heparin (LMWH) is permitted;
  11. Pregnant or breast-feeding participants, and men and women with childbearing potential not using effective contraception while on study drug.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT02259114

Sponsors and Collaborators
Oncoethix GmbH
Investigators
Study Director: Medical Director Merck Sharp & Dohme Corp.
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Oncoethix GmbH
ClinicalTrials.gov Identifier: NCT02259114     History of Changes
Other Study ID Numbers: 8628-003
OTX015_108 ( Other Identifier: OncoEthix )
2014-002680-15 ( EudraCT Number )
MK-8628-003 ( Other Identifier: Merck Protocol Number )
Study First Received: October 3, 2014
Last Updated: March 24, 2017

Additional relevant MeSH terms:
Carcinoma, Non-Small-Cell Lung
Adenocarcinoma
Triple Negative Breast Neoplasms
Prostatic Neoplasms
Carcinoma, Bronchogenic
Bronchial Neoplasms
Lung Neoplasms
Respiratory Tract Neoplasms
Thoracic Neoplasms
Neoplasms by Site
Neoplasms
Lung Diseases
Respiratory Tract Diseases
Carcinoma
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Breast Neoplasms
Breast Diseases
Skin Diseases
Genital Neoplasms, Male
Urogenital Neoplasms
Genital Diseases, Male
Prostatic Diseases

ClinicalTrials.gov processed this record on July 28, 2017