Skip to content

A Study Evaluating Safety and Efficacy of Niraparib in Patients With Previously Treated Metastatic Esophageal/Gastroesophageal Junction/Proximal Gastric Adenocarcinoma

A Phase II Study Evaluating Safety and Efficacy of Niraparib in Patients With Previously Treated Homologous Recombination (HR) Defective or Loss of Heterozygosity (LOH) High Metastatic Esophageal/Gastroesophageal Junction/Proximal Gastric Adenocarcinoma

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03840967
Enrollment
14
Registered
2019-02-15
Start date
2019-07-09
Completion date
2023-02-22
Last updated
2024-06-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Adenocarcinoma, Esophageal Cancer, Gastric Cancer

Brief summary

Patients can be prescreened for the study at the time of diagnosis of locally advanced or metastatic disease by determining presence of LOH high status and/or deleterious alterations in HR pathway genes in the most recent available tumor tissue sample or in blood if they are found to have germline mutations. Patients with either somatic or germline mutations will be allowed. At the time of disease progression, patients with high LOH or deleterious alterations in HR pathway genes and satisfying all other inclusion criteria will be enrolled on the study. Patients will be treated with niraparib (flat dose) orally every day for 28 days until disease progression, unacceptable side effects, withdrawal of consent, or death. CT of the chest/abdomen/pelvis will be performed every 2 months and response will be assessed by RECIST 1.1.

Interventions

DRUGNiraparib

Niraparib will be administered as a flat-fixed daily dose depending on weight and platelet count. Subjects will take orally on a daily basis for 28 days. Each cycle = 28 days

Sponsors

GlaxoSmithKline
CollaboratorINDUSTRY
Indiana University School of Medicine
CollaboratorOTHER
Shadia Jalal, MD
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Written informed consent and HIPAA authorization for release of personal health information. NOTE: HIPAA authorization may be included in the informed consent or obtained separately. 2. Age ≥ 18 years at the time of consent. 3. ECOG Performance Status of 0-1 within 14 days prior to registration. 4. Locally advanced esophageal adenocarcinoma or proximal gastric adenocarcinoma or metastatic adenocarcinoma originating from esophagus, GE junction, or proximal stomach who progress/recur beyond 2 months of receiving a platinum- containing regimen NOTE: Patients can be pre-screened for study at any time including after surgical resection for locally advanced esophageal cancer, at presentation with metastatic disease and potentially during chemotherapy and radiation prior to surgery. 5. A subject with symptomatic brain metastasis may be considered if they have completed their treatment for brain metastasis at least 4 weeks prior to study registration, have been off of corticosteroids for ≥ 2 weeks, and are asymptomatic. Patients with asymptomatic brain mets that are untreated will be allowed. 6. Must not have received more than 1 prior line of chemotherapy in the metastatic setting (could have received immunotherapy, VEGF directed therapy, and/or trastuzumab which does not count as chemotherapy). 7. One of the following genetic results is required for eligibility: * High LOH in tissue OR * HR mutation in tissue OR * Germline mutation (blood) NOTE: Mutations, deletions or loss by fusions are the acceptable alterations in HR genes as long as they are deleterious. Patients are eligible if they have a mutation in pre-specified HR genes BRCA1/2, PALB2, ATM, BARD1, BRIP1, CDK12, CHEK2, FANCA, RAD51, RAD51B, RAD51C, RAD51D, RAD54L, NBN, ARID1A and GEN1. Deleterious mutations in HR genes are defined as those that have been previously characterized to be loss-of-function/pathogenic/or likely pathogenic as specified per the following databases: Clinvar, OncoKB, or BRCAExchange. Mutations or small insertions or deletions that results in truncation, frameshift, stop codon loss, or stop codon gain will also be considered deleterious irrespective of their presence in the aforementioned databases unless previously characterized to be benign. Copy number losses or disruption by fusion will also be considered deleterious irrespective of their presence in the aforementioned databases. Gene amplifications or variants of unknown significance will not be eligible for inclusion. NOTE: Genetic testing results from a CLIA certified lab that confirm one of the following: high LOH in tissue, HR mutation in tissue or germline mutation in blood are required and can be used to meet eligibility. Even if subject has met eligibility with one of the criteria above, results from the other analysis is required if available. If prior genetic results are not available, subject must have archival tissue or fresh tissue (by new biopsy) for testing. Both primary tumor tissue and metastatic site sample biopsies are allowed. Blood will also be required for germline mutation analyses. Central confirmation of all results will be performed but are not mandated for eligibility. If a subject has met eligibility with prior genetic results but does not have sufficient archival tissue for central confirmation, a biopsy is not required. 8. Presence of measurable disease by RECIST v1.1, defined as: * Tumor lesions that must be accurately measured in at least one dimension (longest diameter in the plane of measurement is to be recorded) with a minimum size of: * 10 mm by CT scan (CT scan slice thickness no greater than 5 mm) * 10 mm caliper measurement by clinical exam (lesions which cannot be accurately measured with calipers should be recorded as non-measurable) * 20 mm by chest X-ray * Malignant lymph nodes: To be considered pathologically enlarged and measurable, a lymph node must be ≥ 15 mm in short axis when assessed by CT scan (CT scan slice thickness recommended to be no greater than 5 mm). At baseline and in follow-up, only the short axis will be measured and followed. 9. Prior cancer treatment must be completed at least 14 days prior to registration and the subject must have recovered from all reversible acute toxic effects of the regimen (other than alopecia) to ≤ Grade 1 or baseline. 10. Demonstrate adequate organ function as defined in the table below; all screening labs to be obtained within 14 days prior to registration. * Absolute Neutrophil Count (ANC) ≥ 1.5 K/mm3 * Hemoglobin (Hgb) ≥ 9 g/dL * Platelet Count (Plt) ≥ 100 K/ mm3 * Creatinine ≤ 1.5 X upper limit of normal (ULN) * Bilirubin ≤ 1.5× ULN ((≤2.0 in patients with known Gilberts syndrome)) * Aspartate aminotransferase (AST) ≤ 2.5× ULN\* * Alanine aminotransferase (ALT) ≤ 2.5 × ULN\* 11. Females of childbearing potential must have a negative pregnancy test within 7 days prior to study treatment. Urine or serum βhCG if clinically appropriate. If a urine test is done and it is positive or cannot be confirmed as negative, a serum pregnancy test will be required. NOTE: Females are considered of child bearing potential unless they are surgically sterile (have undergone a hysterectomy, bilateral tubal ligation, or bilateral oophorectomy) or they are naturally postmenopausal for at least 12 consecutive months. 12. Females of childbearing potential must be willing to abstain from heterosexual intercourse or use adequate contraception as described in the protocol. Males must be willing to abstain from heterosexual intercourse or use adequate contraception as described in the protocol. 13. Participants must agree to not breastfeed during the study or for 30 days after the last dose of study treatment. 14. As determined by the enrolling physician or protocol designee, ability of the subject to understand and comply with study procedures for the entire length of the study. 15. Participant must agree to not donate blood during the study or for 90 days after the last dose of study treatment.

Exclusion criteria

1. Prior therapy with a PARP inhibitor 2. Disease progression during first 2 months of standard dose platinum-based chemotherapy (platinum refractory). This excludes low dose platinum based therapy that is given in a chemotherapy-radiation regimen for locally advanced esophageal cancer. 3. Participant must not be simultaneously enrolled in any other interventional clinical trial. 4. Participant must not have had major surgery ≤ 3 weeks prior to initiating protocol therapy and participant must have recovered from any surgical effects. 5. Participant must not have received investigational therapy ≤ 4 weeks, or within a time interval less than at least 5 half-lives of the investigational agent, whichever is shorter, prior initiating protocol therapy. 6. Participant has had radiation therapy encompassing \>20% of the bone marrow within 2 weeks; or any radiation therapy within 1 week prior to Day 1 of protocol therapy. 7. Participant must not have a known hypersensitivity to niraparib components or excipients including tartrazine. 8. Participant must not have received a transfusion (platelets or red blood cells) ≤ 4 weeks prior to initiating protocol therapy. 9. Participant must not have received colony stimulating factors (e.g., granulocyte colony-stimulating factor, granulocyte macrophage colony stimulating factor, or recombinant erythropoietin) within 4 weeks prior initiating protocol therapy. 10. Participant has had any known Grade 3 or 4 anemia, neutropenia or thrombocytopenia due to prior chemotherapy that persisted \> 4 weeks and was related to the most recent treatment. 11. Participant must not have any known history of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML). 12. Participant must not have a serious, uncontrolled medical disorder, nonmalignant systemic disease, or active, uncontrolled infection. Examples include, but are not limited to, uncontrolled ventricular arrhythmia, recent (within 90 days) myocardial infarction, uncontrolled major seizure disorder, unstable spinal cord compression, superior vena cava syndrome, or any psychiatric disorder that prohibits obtaining informed consent. 13. No active secondary cancer

Design outcomes

Primary

MeasureTime frameDescription
Objective Response Rate (ORR)Up to maximum of 5 months.Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. ORR is defined as the percentage of patients who reached CR or PR by RECIST 1.1.

Secondary

MeasureTime frameDescription
Adverse EventsAE had been recorded from time of signed informed consent until 30 days after discontinuation of study drug(s) or until a new anti-cancer treatment starts, whichever occurs first, up to a maximum of 6 months.Number of participants with treatment related adverse events are reported by CTCAEv5 term and grade.
Progression Free Survival (PFS)Up to a maximum of 5 months.Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. PFS is defined as time from treatment start until disease progression met by RECIST 1.1 or death from any cause.
Disease Control RateUp to maximum of 5 months.Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. Disease control rate (DCR) is defined as the percentage of evaluable patients with stable disease (SD) for 8 weeks, or partial response (PR), or complete response (CR) according to RECIST 1.1.

Countries

United States

Participant flow

Participants by arm

ArmCount
Niraparib
Niraparib: Niraparib will be administered as a flat-fixed daily dose depending on weight and platelet count. Subjects will take orally on a daily basis for 28 days. Each cycle = 28 days
14
Total14

Baseline characteristics

CharacteristicNiraparib
Age, Continuous59 years
ECOG Performance Status
ECOG = 0
3 Participants
ECOG Performance Status
ECOG = 1
11 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
14 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
1 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
13 Participants
Region of Enrollment
United States
14 participants
Sex: Female, Male
Female
1 Participants
Sex: Female, Male
Male
13 Participants
Smoking Status
Current
2 Participants
Smoking Status
Former
7 Participants
Smoking Status
Never
5 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
12 / 14
other
Total, other adverse events
13 / 14
serious
Total, serious adverse events
3 / 14

Outcome results

Primary

Objective Response Rate (ORR)

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. ORR is defined as the percentage of patients who reached CR or PR by RECIST 1.1.

Time frame: Up to maximum of 5 months.

Population: Out of 14 patients, three patients were not evaluable for best response.

ArmMeasureValue (NUMBER)
NiraparibObjective Response Rate (ORR)0 Percentage of participants
Secondary

Adverse Events

Number of participants with treatment related adverse events are reported by CTCAEv5 term and grade.

Time frame: AE had been recorded from time of signed informed consent until 30 days after discontinuation of study drug(s) or until a new anti-cancer treatment starts, whichever occurs first, up to a maximum of 6 months.

ArmMeasureGroupValue (NUMBER)
NiraparibAdverse EventsLymphocyte count decreased2 Participants
NiraparibAdverse EventsNeutrophil count decreased2 Participants
NiraparibAdverse EventsVomiting2 Participants
NiraparibAdverse EventsArthralgia1 Participants
NiraparibAdverse EventsAspartate aminotransferase increased1 Participants
NiraparibAdverse EventsCough1 Participants
NiraparibAdverse EventsSinus tachycardia1 Participants
NiraparibAdverse EventsAnemia7 Participants
NiraparibAdverse EventsFatigue7 Participants
NiraparibAdverse EventsPlatelet count decreased7 Participants
NiraparibAdverse EventsNausea6 Participants
NiraparibAdverse EventsHeadache5 Participants
NiraparibAdverse EventsWhite blood cell decreased5 Participants
NiraparibAdverse EventsAnorexia3 Participants
NiraparibAdverse EventsConstipation3 Participants
NiraparibAdverse EventsWeight loss3 Participants
NiraparibAdverse EventsAbdominal pain2 Participants
NiraparibAdverse EventsDiarrhea2 Participants
NiraparibAdverse EventsDizziness2 Participants
NiraparibAdverse EventsDyspepsia2 Participants
NiraparibAdverse EventsHypocalcemia2 Participants
NiraparibAdverse EventsDry mouth1 Participants
NiraparibAdverse EventsDry skin1 Participants
NiraparibAdverse EventsDysgeusia1 Participants
NiraparibAdverse EventsDyspnea1 Participants
NiraparibAdverse EventsHypercalcemia1 Participants
NiraparibAdverse EventsHyponatremia1 Participants
Secondary

Disease Control Rate

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. Disease control rate (DCR) is defined as the percentage of evaluable patients with stable disease (SD) for 8 weeks, or partial response (PR), or complete response (CR) according to RECIST 1.1.

Time frame: Up to maximum of 5 months.

Population: Out of 14 patients, three patients were not evaluable for DCR.

ArmMeasureValue (NUMBER)
NiraparibDisease Control Rate18.2 Percentage of participants
Secondary

Progression Free Survival (PFS)

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Progressive Disease (PD) \>= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD), not meet criteria for CR/PR/PD. PFS is defined as time from treatment start until disease progression met by RECIST 1.1 or death from any cause.

Time frame: Up to a maximum of 5 months.

Population: Out of 14 patients, three patients were not evaluable for PFS.

ArmMeasureValue (MEDIAN)
NiraparibProgression Free Survival (PFS)1.8 Months

Source: ClinicalTrials.gov · Data processed: Jul 5, 2026