- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04065269
ATr Inhibitor in Combination With Olaparib in Gynaecological Cancers With ARId1A Loss or no Loss (ATARI)
ATARI: ATr Inhibitor in Combination With Olaparib in Gynaecological Cancers With ARId1A Loss
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
ATARI is a multi-centre, open-label, multiple two-stage parallel cohorts phase II clinical trial for patients with relapsed gynaecological cancers, with ARID1A-deficient ('loss') and "no loss."
The trial tests the ATR inhibitor drug AZD6738 and a PARP inhibitor drug olaparib to assess the response in groups of patients selected based on their cancer cell subtype and the presence of an abnormality in ARID1A.
The treatment groups are: 1A - Women with clear cell subtype with (ovarian/uterus) ARID1A loss treated with AZD6738. 1B - Women with clear cell subtype with (ovarian/uterus) ARID1A loss treated with AZD6738 + olaparib. 2 - Women with clear cell subtype (ovarian/uterus) with no ARID1A loss treated with AZD6738 and olaparib. 3 - Women with other rare gynaecological cancers (carcinosarcoma, cervical, endometrioid type) irrespective of ARID1A loss treated with AZD6738 and olaparib.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Christy Toms
- Phone Number: +44 208 722 4266
- Email: ATARI-icrctsu@icr.ac.uk
Study Contact Backup
- Name: Katie Wilkinson
- Phone Number: +44 208 722 4754
- Email: ATARI-icrctsu@icr.ac.uk
Study Locations
-
-
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London, United Kingdom, SW3 6JJ
- Recruiting
- The Royal Marsden NHS Foundation Trust
-
Contact:
- Michelle Everard
- Phone Number: 020 8661 3980
- Email: Michelle.everard@rmh.nhs.uk
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Histologically confirmed progressive or recurrent gynaecological carcinomas of the following histological subtypes:
- Ovarian and endometrial clear cell (>50% clear cell carcinoma with no serous differentiation)
- Endometrioid
- Cervical - adenocarcinomas and squamous
- Carcinosarcomas Note: patients who have an original diagnosis based on cytology only will not be eligible for entry into the study unless a biopsy confirming above histology is performed
- Histological tissue specimen (tissue block or 8-10 unstained slides) must be available (specimen can be the sample at diagnosis or taken at relapse). Otherwise, a biopsy must be carried out to obtain sufficient tissue for histological assessment
- Evidence of radiological disease progression since last systemic anti-cancer therapy and prior to trial entry
- Patients who have progressed after ≥1 prior platinum containing regimen. Platinum-based therapy does not need to be the last treatment prior to study entry. For patients who have disease progression within 6 months of last dose of a platinum-containing regime, no more than two further lines of systemic therapy are permitted prior to trial entry
- Measurable disease by RECIST criteria v1.1, which can be accurately assessed at baseline by CT (or MRI where CT is contradicted or unclear). Patients with CA125 progression in the absence of measurable disease will NOT be eligible
- ECOG performance status 0 or 1 with no deterioration over the previous 2 weeks
- Life expectancy > 16 weeks
Adequate hepatic, bone marrow, coagulation and renal function as defined by the following values within 14 days prior to starting treatment:
- Haemoglobin ≥10.0 g/dL with no blood transfusion in the past 14 days
- Absolute neutrophil count (ANC) ≥ 1.5 x 109/L
- Platelet count ≥ 100 x 109/L with no platelet transfusion in the past 28 days
- Creatinine clearance ≥51 mL/min (estimated using Cockcroft-Gault equation or measured GFR clearance test as appropriate); • Total bilirubin ≤1.5 x ULN (where bilirubin rise > 1.5 x ULN due to Gilbert's syndrome a conjugated bilirubin ≤1.5 x ULN is required)
- Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≤2.5 x ULN if no demonstrable liver metastases or ≤5 times ULN if patient has documented liver metastases
- No significant medical illness which in the opinion of the Investigator would preclude entry to ATARI
Women of child-bearing potential who are confirmed NOT to be pregnant. This should be evidenced by a negative urine or serum pregnancy test within 72 hours prior to start of trial treatment. Patients will be considered to be not of child-bearing potential if they are:
- Post-menopausal - defined as aged more than 50 years and amenorrhoeic for at least 12 months following cessation of all exogenous hormonal treatments, OR women under 50 years old who have been amenorrhoeic for at least 12 months following cessation of all exogenous hormonal treatments and have serum follicle-stimulating hormone (FSH), luteinizing hormone (LH) and plasma oestradiol levels in the post-menopausal range for the institution
- Able to provide documentation of irreversible surgical sterilisation by hysterectomy, bilateral oophorectomy or bilateral salpingectomy but not tubal ligation
- Radiation or chemotherapy-induced oophorectomy or menopause with > 1 year since last menses
- Patients with prior synchronous tumours or history of prior malignancy are eligible provided that there is biopsy evidence that the disease measurable on CT and/or MRI is of the histological subtypes stated in 1
- Willingness to commit to scheduled visits, treatments plans, laboratory tests and study procedures
- Able to swallow, absorb, retain oral medication
- Able to provide written, informed consent
Exclusion Criteria:
- Prior treatment with ATR or PARP inhibitors, including AZD6738 and olaparib
Patients receiving, or having received:
- cytotoxic treatment for their malignancy within 21 days prior to Cycle 1 Day 1
- exposure to a small molecule IP within 30 days or 5 half-lives (whichever is longer) prior to Cycle 1 Day 1. The minimum washout for immunotherapy is 42 days
- treatment with bevacizumab within 30 days prior to Cycle 1 Day 1
- palliative radiotherapy within 21 days prior to Cycle 1 Day 1
- Treatment with any other investigational medicinal product within the 4 weeks prior to trial entry
- Receiving, or having received, concomitant medications, herbal supplements and/or foods that are strong or moderate inhibitors or inducers of CYP3A4, sensitive CYP3A4 substrates or CYP3A4 substrates with a narrow therapeutic index that significantly modulate CYP3A4 or P-gp activity (washout period 5 half-lives or three weeks for St. John's Wort). Note these include common azole antifungals, macrolide antibiotics and other medications (Refer to Section 11 and Appendix A5 for further details)
- Pregnant or lactating women.
- Women of childbearing age and potential who are not willing to use one highly effective form of contraception and a condom as detailed in Section 5.5
- Any other malignancy which has been active or treated within the past three years, with the exception of cervical intra-epithelial neoplasia and non-melanoma skin cancer
- Clinical/radiological evidence of bowel obstruction (e.g. hospitalisation) or symptoms of sub-acute bowel obstruction within 6 weeks prior to trial entry
- Any clinically significant haematuria (as deemed by the investigator)
- With the exception of alopecia, any unresolved toxicities from prior therapy should be no greater than CTCAE Grade 2 at trial entry
Clinically significant cardiac disease currently or within the last 6 months including:
a. Pre-existing arrhythmia: i. Mean resting QTc >470 msec obtained from 3 electrocardiograms (ECGs) performed 2-5 minutes apart at study screening (within 14 days prior to Cycle 1 Day 1) using the Fredericia formula ii. Clinically important abnormalities in rhythm, conduction or morphology of resting ECG (including complete left bundle-branch block, third degree heart block) b. Any factor increasing the risk of QTc prolongation or arrhythmia, including: i. Hypokalaemia ii. Congenital long QT syndrome iii. Immediate family history of long QT syndrome or unexplained sudden death below the age of 40 years c. Unstable angina pectoris d. Acute myocardial infarction e. Unstable cardiac arrhythmias f. Cardiac failure i. Known reduced LVEF <55% ii. New York Heart Association (NYHA) class II, III or IV cardiac failure
- Clinically relevant orthostatic hypotension
- Patients who have a diagnosis of ataxia telangiectasia
- Major surgery within 4 weeks prior to entry to the study (excluding placement of vascular access) or minor surgery (excluding tumour biopsies) within 2 weeks of entry into the study (excluding placement of vascular access)
- Previous allogenic bone marrow transplant or double umbilical cord blood transplantation (dUCBT)
- Patients with spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days
- Known leptomeningeal involvement or brain metastases, unless asymptomatic, treated (with no evidence of progression since completion of CNS-directed therapy), presence of disease outside the CNS and stable off steroids for at least 4 weeks prior to registration
- Known hypersensitivity to investigational drugs or excipients
- Receiving, or having received during the four weeks prior to registration, corticosteroids at a dose >10mg prednisolone/day or equivalent for any reason
- Any haemopoietic growth factors (e.g., G-CSF, GM-CSF) and blood transfusions within 14 days prior to trial entry. Use of erytropoeitin is not permitted for 4 weeks prior to Cycle 1 Day 1 and for the duration of the study
- As judged by the Investigator, any evidence of severe or uncontrolled systemic diseases e.g., severe hepatic impairment, extensive interstitial lung disease on high resolution CT scan (bilateral, diffuse, parenchymal lung disease), uncontrolled chronic renal diseases (glomerulonephritis, nephritic syndrome, Fanconi Syndrome or Renal tubular acidosis), current unstable or uncompensated respiratory or cardiac conditions, active bleeding diatheses or active infection including hepatitis B, hepatitis C, and immunocompromised patients e.g. patients who are known to be serologically positive for human immunodeficiency virus (HIV). Screening for chronic conditions is not required
- Judgment by the Investigator that the patient is unsuitable to participate in the study and/or the patient is unlikely to comply with study procedures, restrictions and requirements
- Refractory nausea and vomiting, chronic gastrointestinal diseases or previous significant bowel resection, with clinically significant sequelae that would preclude adequate absorption of study drug
- Patients with uncontrolled seizures
- Active infection requiring systemic antibiotics, antifungal or antiviral drugs
- Patients with myelodysplastic syndromes (MDS)/acute myeloid leukaemia (AML), or with features suggestive of MDS/AML
- Concurrent severe and/or uncontrolled medical condition (e.g., severe COPD, severe Parkinson's disease, active inflammatory bowel disease) or psychiatric condition (e.g. psychiatric disorder prohibiting obtaining informed consent)
- Any contraindication to the combination of AZD6738 and olaparib as per local prescribing information
- Patients unable to swallow orally administered medication
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 1A: AZD6738
Women with relapsed ovarian (fallopian tube / primary peritoneal) and endometrial (uterus) clear cell carcinomas with loss of ARID1A expression treated with single agent AZD6738.
|
ATR inhibitor
|
Experimental: 1B: AZD6738 + olaparib
In second stage of trial, opening of this cohort depends on response rate in cohort 1A during first stage of trial. Women with relapsed ovarian (fallopian tube / primary peritoneal) and endometrial (uterus) clear cell carcinomas with loss of ARID1A expression treated with AZD6738 in combination with olaparib. |
ATR inhibitor
PARP inhibitor
|
Experimental: 2: AZD6738 + olaparib
Women with relapsed ovarian (fallopian tube / primary peritoneal) and endometrial (uterus) clear cell carcinomas with NO loss of ARID1A expression treated with AZD6738 in combination with olaparib.
|
ATR inhibitor
PARP inhibitor
|
Experimental: 3: AZD6738 + olaparib
Women with other rare relapsed gynaecological cancers (endometrioid ovarian carcinoma, endometrioid endometrial carcinoma, cervical adenocarcinoma, cervical squamous, ovarian carcinosarcoma and endometrial carcinosarcoma) irrespective of ARID1A status, treated with AZD6738 in combination with olaparib.
|
ATR inhibitor
PARP inhibitor
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Confirmed overall objective response rate (complete or partial response) as defined by RECIST version 1.1.
Time Frame: From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
|
A patient will be said to have had an overall objective response if they have a complete/partial response as assessed radiologically according to RECIST 1.1 at any point during trial treatment.
A second scan to confirm response will be taken ≥ 4 weeks after the first scan showing an objective response.
|
From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Disease control rate
Time Frame: From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
|
The proportion of patients experiencing complete or partial response, or stable disease lasting at least 16 weeks from start of treatment as assessed radiologically by RECIST version 1.1.
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From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
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Duration of disease control
Time Frame: From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
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Length of maintained response, measured according to RECIST v1.1
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From start of treatment until treatment discontinuation - minimum follow-up of 16 weeks (if not progressed earlier), up to max study period (estimated 36 months).
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Progression Free Survival (PFS)
Time Frame: From start of treatment until progression or death, whatever occurs first - estimated 6-9 months, up to max study period (36 months).
|
Measured according to RECIST v1.1 or death.
Time to last tumour assessment will be used if patient has not progressed or died, and PFS time for the patient will be considered censored.
PFS will be used to calculate the proportion of patients alive and free of progression at 6 months.
|
From start of treatment until progression or death, whatever occurs first - estimated 6-9 months, up to max study period (36 months).
|
Time to Progression (TTP)
Time Frame: From start of treatment until disease progression - estimated 6-9 months, up to max study period (36 months)
|
Measured according to RECIST v 1.1 or clinical progression of disease.
Time to last tumour assessment will be used if patient has not progressed, and the patient will be considered censored.
If the patient has died without prior progression, the patient will be censored at the date of death.
Death will not count as a TTP event.
|
From start of treatment until disease progression - estimated 6-9 months, up to max study period (36 months)
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Proportion of patients experiencing drug interruption, reduction or discontinuation due to drug related adverse events
Time Frame: Assessed throughout the treatment period, up to and including the 30-day follow-up period - estimated 7 months, up to max study period (36 months).
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Adverse events thought to be related to drug will be graded according to NCI-CTCAE version 5.0, and coded using MedDRA (current version).
Any dose reductions and delays in administration of drug due to toxicity will also be collected.
|
Assessed throughout the treatment period, up to and including the 30-day follow-up period - estimated 7 months, up to max study period (36 months).
|
Overall Survival (OS)
Time Frame: From start of treatment until death - estimated 9 months, up to max study period (36 months).
|
Defined by the time from start of treatment until death
|
From start of treatment until death - estimated 9 months, up to max study period (36 months).
|
Collaborators and Investigators
Investigators
- Principal Investigator: Susana Banerjee, Royal Marsden NHS Foundation Trust
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- ICR-CTSU/2018/10066
- 2018-003779-36 (EudraCT Number)
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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