- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01989546
Pilot Trial of BMN 673, an Oral PARP Inhibitor, in Patients With Advanced Solid Tumors and Deleterious BRCA Mutations
Background:
- The poly (ADP-ribose) polymerase (PARP) family of enzymes is critical for maintaining genomic stability by regulating a variety of deoxyribonucleic acid (DNA) damage repair mechanisms.
- Talazoparib (BMN 673) is a PARP inhibitor with greater in vitro activity than any other PARP inhibitor currently in development. BMN 673 has been shown to cause single-agent synthetic lethality in breast cancer 1 and breast cancer 2 (BRCA1/2)- and phosphatase and tensin homolog (PTEN)-deficient cell lines and has potent antitumor activity in animal models of tumors harboring mutations in DNA repair pathways.
- BMN 673 is showing promising single-agent activity in patients with advanced ovarian and breast cancer harboring deleterious BRCA mutations.
- This pilot study will evaluate the pharmacodynamic effects of BMN 673 on DNA damage and apoptosis markers in tumor biopsy tissue.
Primary Objective:
-Determine the pharmacodynamic effect of BMN 673 in tumor biopsies from patients with advanced ovarian, breast, or other solid tumor and deleterious BRCA mutations.
Secondary Objectives:
- Determine the response rate (Complete Response (CR) + Partial Response (PR) of treatment with BMN 673 in patients with advanced ovarian or primary peritoneal carcinoma and deleterious BRCA mutations.
- Determine the response rate (CR + PR) of treatment with BMN 673 in patients with advanced breast carcinoma and deleterious BRCA mutations.
- Determine the response rate (CR + PR) of treatment with BMN 673 in patients with advanced solid tumor (other than breast or ovarian) and deleterious BRCA mutations.
Eligibility:
- Adult patients with documented deleterious BRCA 1 or 2 mutations with histologically confirmed ovarian, primary peritoneal, breast, prostate, pancreas, gastric or other solid tumor whose disease has progressed following at least one standard therapy or who have no acceptable standard treatment options.
- No major surgery, radiation, or chemotherapy within 4 weeks prior to study enrollment, and recovered from toxicities of prior therapies to at least eligibility levels.
- Age greater than or equal to 18 years of age; Eastern Cooperative Oncology Group (ECOG) performance status less than equal to 2
- Adequate organ function.
- Willingness to undergo tumor biopsies.
Study Design:
- BMN 673 will be administered orally each day in 28-day cycles.
Dosing will be at the established recommended Phase II dose of 1000 mcg/day each day for
28 days.
- We plan to accrue a total of 12 evaluable patients per cohort for a total of 36 patients. To allow for some patients who will not be evaluable, the accrual ceiling is 42 patients.
- Tumor biopsies will be mandatory at baseline (pre-dose), and then approximately 3-6 hours post BMN 673 on day 8. An optional tumor biopsy may also be collected at time of disease progression.
SCHEMA
- BMN 673 is administered orally each day in 28-day cycles
- Tumor biopsies will be performed at baseline (pre-treatment) and 3-6 hrs post dose on cycle 1 day 8. An optional tumor biopsy may also be collected at time of disease progression. Tumor biopsies will be evaluated for protease activated receptor (PAR) levels, DNA damage response markers such as >=H2A.X Variant Histone (H2AX), cleaved caspase 3, excision repair cross-complementing group 1 (ERCC1), pNbs1, XPF, RAD51, and pT1989ATR, and, as indicators of ataxia telangiectasia and Rad3-related protein (ATR)/ataxia telangiectasia mutated (ATM) activation, Checkpoint kinase 1 (chk1) and Checkpoint kinase 2 (chk2)
- Blood samples for circulating tumor cells (CTC) analyses will be collected at baseline (pre-treatment), on cycle 1 day 1(3-6 hours post dose), on cycle 1 day 8 (3-6 hours post dose), and on cycle 2 day 1 (3-6 hours post dose)
- Blood samples for pharmacokinetic (PK) analysis will be collected on cycle 1 day 1 pre-dose and 0.5, 1, 2, 3, 4, 6,8, and 24 hours post-dose, on cycle 1 day 8 (3-6 hours post dose), and on cycle 2 day 1 pre-dose and 3-6 hours post dose.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Background:
- The poly (ADP-ribose) polymerase (PARP) family of enzymes is critical for maintaining genomic stability by regulating a variety of deoxyribonucleic acid (DNA) damage repair mechanisms.
- Talazoparib (BMN 673) is a PARP inhibitor with greater in vitro activity than any other PARP inhibitor currently in development. Talazoparib (BMN 673) has been shown to cause single-agent synthetic lethality in breast cancer 1 and breast cancer 2 (BRCA1/2)- and phosphatase and tensin homolog (PTEN)-deficient cell lines, and has potent antitumor activity in animal models of tumors harboring mutations in DNA repair pathways.
- Talazoparib (BMN 673) is showing promising single-agent activity in patients with advanced ovarian and breast cancer harboring deleterious BRCA mutations.
- This pilot study will evaluate the pharmacodynamic effects of talazoparib (BMN 673) on DNA damage and apoptosis markers in tumor biopsy tissue.
Primary Objective:
-Determine the pharmacodynamic effect of talazoparib (BMN 673) in tumor biopsies from patients with advanced ovarian, breast, or other solid tumor and deleterious BRCA mutations.
Secondary Objectives:
-Determine the response rate (Complete Response (CR) + Partial Response (PR) of treatment with talazoparib (BMN 673) in patients with deleterious BRCA mutations.
Eligibility:
- Adult patients with documented deleterious BRCA 1 or 2 mutations with histologically confirmed ovarian, primary peritoneal, breast, prostate, pancreas, gastric or other solid tumor whose disease has progressed following at least one standard therapy or who have no acceptable standard treatment options.
- No major surgery, radiation, or chemotherapy within 4 weeks prior to study enrollment, and recovered from toxicities of prior therapies to at least eligibility levels.
- Age greater than or equal to 18 years of age; Eastern Cooperative Oncology Group (ECOG) performance status less than equal to 2
- Adequate organ function.
- Willingness to undergo tumor biopsies.
Study Design:
- Talazoparib (BMN 673) will be administered orally each day in 28-day cycles.
- Dosing will be at the established recommended Phase II dose of 1000 microgram/day each day for 28 days.
- To meet the primary, pharmacodynamic endpoint of the trial, we plan to accrue a total of 12 patients with matched, evaluable baseline and day 8 biopsies. To allow for some patients whose biopsies will not be evaluable (i.e., will contain <5% tumor content), the accrual ceiling is 24 patients. The number of patients evaluable for objective response, while relevant to the secondary objective of the trial, will not be considered in determining completion of accrual.
- Tumor biopsies will be mandatory at baseline (pre-dose), and then approximately 3-6 hours post talazoparib (BMN 673) on day 8. One optional tumor biopsy may also be collected either on day 1 (+/- 2 days) of the cycle following any restaging at which a 10-19% increase in tumor volume is observed (according to Response Evaluation Criteria in Solid Tumors (RECIST) criteria) if the patient has been on study for at least 4 cycles, or at time of disease progression.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
-
-
Maryland
-
Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center, 9000 Rockville Pike
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
- INCLUSION CRITERIA:
Adult patients with documented deleterious breast cancer 1 and breast cancer 2 (BRCA 1 or 2) mutations with histologically confirmed ovarian, primary peritoneal, breast, prostate, pancreas, gastric or other solid tumor whose disease has progressed following at least one standard therapy or who have no acceptable standard treatment options.
Patients with ovarian cancer should have one prior platinum-based
chemotherapeutic regimen for management of primary disease containing carboplatin, cisplatin, or another organoplatinum compound. This initial treatment may have included intraperitoneal therapy, consolidation, biologic/targeted (noncytotoxic) agents or extended therapy administered after surgical or non-surgical
assessment. Ovarian cancer patients with both platinum-sensitive and platinum resistant disease are eligible. Patients with platinum-refractory disease are NOT eligible.
Patients with metastatic disease must have received at least one line of standard of care (SOC) treatment for metastatic disease prior to enrollment
- Age greater than or equal to 18 years of age.
- Eastern Cooperative Oncology Group (ECOG) performance status less than or equal to 2
- Life expectancy of greater than 3 months.
Patients must have normal organ and marrow function as defined below:
- leukocytes greater than or equal to 3,000/mcL
- absolute neutrophil count greater than or equal to 1,500/mcL
- platelets greater than or equal to 100,000/mcL
- total bilirubin less than or equal to 1.5 times institutional upper limit of normal
- Aspartate aminotransferase (AST) Serum glutamic-oxaloacetic transaminase (SGOT)/alanine aminotransferase (ALT) Serum glutamic pyruvic transaminase (SGPT) less than or equal to 3 times institutional upper limit of normal
- creatinine less than or equal to 1.5 times institutional upper limit of normal
OR
--creatinine clearance greater than or equal to 60 mL/min for patients with creatinine levels above institutional normal.
The effects of BMN 673 on the developing human fetus are unknown. For this reason and because PARP inhibitors are known to be teratogenic, women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 30 days after completing study treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and for 3 months after completion of BMN 673 administration.
- Patients must be able to swallow whole tablets or capsules. Nasogastric or G-tube administration is not allowed. Any gastrointestinal disease which would impair ability to swallow, retain, or absorb drug is not allowed.
- Ability to understand and the willingness to sign a written informed consent document.
- Patients with human epidermal growth factor receptor 2 (HER2)-positive advanced breast cancer or ovarian cancer should have received at least two lines of systemic therapy in the advanced setting.
- Patients with prostate cancer can continue to receive treatment with Gonadotropin-releasing hormone (GnRH) agonists while on study, as long as there is evidence of disease progression on therapy.
EXCLUSION CRITERIA:
- Patients who have had chemotherapy or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier. Patients who have had prior treatment with any PARP inhibitors are ineligible.
- Patients who are receiving any other investigational agents.
- Patients with known active brain metastases or carcinomatous meningitis are excluded from this clinical trial. Patients whose brain metastatic disease status has remained stable for greater than or equal to 4 weeks following treatment of brain metastases are eligible to participate at the discretion of the principal investigator.
- Eligibility of subjects receiving any medications or substances with the potential to affect the activity or pharmacokinetics of BMN 673 will be determined following review by the principal investigator.
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
- Pregnant women are excluded from this study because the effects of the study drugs on the developing fetus are unknown.
- human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with BMN 673. In addition, these patients are at increased risk of lethal infections when treated with marrow suppressive therapy. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.
- Patients who require use of coumarin-derivative anticoagulants such as warfarin are excluded. Low molecular weight heparin is permitted for prophylactic or therapeutic use. Low-dose warfarin (less than or equal to 1 mg/day) is permitted.
- Women who are currently lactating
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: 1/Talazoparib (BMN 673)
Single agent
|
Poly (ADP-ribose) polymerase (PARP) inhibitor; has been shown to cause single-agent synthetic lethality in breast cancer 1 and breast cancer 2 (BRCA1/2)- and phosphatase and tensin homolog (PTEN)-deficient cell lines, and has potent antitumor activity in animal models of tumors harboring mutations in deoxyribonucleic acid (DNA) repair pathways.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percent of Participants Who Achieve a Sustained Progressive Disease (PD) Response, Defined to be at Least 4% Nuclear Area Positive (NAP) γH2AX at the Day 8 Biopsy
Time Frame: Cycle 1, day 8
|
Evaluation of drug effect on deoxyribonuclecic acid (DNA) damage response will be performed using immunofluorescence assays to measure the DNA damage repair marker γH2A (the phosphorylated form of histone family member X, H2AX) in the nucleus of tumor cells obtained via core biopsy.
|
Cycle 1, day 8
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Response Rate (Complete Response (CR) + Partial Response (PR) of Treatment With Talazoparib (BMN 673) in Participants With Deleterious Breast Cancer (BRCA) Mutations
Time Frame: Restaging scans will be carried out every 2 cycles (8 weeks) until the end of treatment (average, 7 months)
|
Response will be evaluated by the Response Evaluation Criteria in Solid Tumors (RECIST)1.
1 guidelines; restaging scans will be carried out every 2 cycles.
Complete Response (CR) is disappearance of all target lesions.
Any pathological lymph nodes (whether target or nontarget) must have reduction in short axis to <10 mm.
Partial Response (PR) is at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
And progression is at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study).
The appearance of one or more new lesions is also considered progressions.
|
Restaging scans will be carried out every 2 cycles (8 weeks) until the end of treatment (average, 7 months)
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Serious and Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0)
Time Frame: Date treatment consent signed to date off study, approximately 28 months and 24 days.
|
Here is the number of participants with serious and non-serious adverse events assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0).
A non-serious adverse event is any untoward medical occurrence.
A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned.
|
Date treatment consent signed to date off study, approximately 28 months and 24 days.
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Litton JK, Rugo HS, Ettl J, Hurvitz SA, Goncalves A, Lee KH, Fehrenbacher L, Yerushalmi R, Mina LA, Martin M, Roche H, Im YH, Quek RGW, Markova D, Tudor IC, Hannah AL, Eiermann W, Blum JL. Talazoparib in Patients with Advanced Breast Cancer and a Germline BRCA Mutation. N Engl J Med. 2018 Aug 23;379(8):753-763. doi: 10.1056/NEJMoa1802905. Epub 2018 Aug 15.
- de Bono J, Ramanathan RK, Mina L, Chugh R, Glaspy J, Rafii S, Kaye S, Sachdev J, Heymach J, Smith DC, Henshaw JW, Herriott A, Patterson M, Curtin NJ, Byers LA, Wainberg ZA. Phase I, Dose-Escalation, Two-Part Trial of the PARP Inhibitor Talazoparib in Patients with Advanced Germline BRCA1/2 Mutations and Selected Sporadic Cancers. Cancer Discov. 2017 Jun;7(6):620-629. doi: 10.1158/2159-8290.CD-16-1250. Epub 2017 Feb 27.
- Wilsker DF, Barrett AM, Dull AB, Lawrence SM, Hollingshead MG, Chen A, Kummar S, Parchment RE, Doroshow JH, Kinders RJ. Evaluation of Pharmacodynamic Responses to Cancer Therapeutic Agents Using DNA Damage Markers. Clin Cancer Res. 2019 May 15;25(10):3084-3095. doi: 10.1158/1078-0432.CCR-18-2523. Epub 2019 Feb 21.
Helpful Links
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 140015
- 14-C-0015
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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