Testing the Combination of Olaparib and Durvalumab, Cediranib and Durvalumab, Olaparib and Capivasertib, and Cediranib Alone in Recurrent or Refractory Endometrial Cancer Following the Earlier Phase of the Study That Tested Olaparib and Cediranib in Comparison to Cediranib Alone, and Olaparib Alone
This phase II trial studies the effects of the combination of olaparib and durvalumab,
cediranib and durvalumab, olaparib and capivasertib, and cediranib alone in treating patients
with endometrial cancer that has come back (recurrent) or does not respond to treatment
(refractory). Olaparib, cediranib, and capivasertib may stop the growth of tumor cells by
blocking some of the enzymes needed for cell growth. Durvalumab is a monoclonal antibody that
may interfere with the ability of tumor cells to grow and spread. Testing the combinations
may lower the chance of endometrial cancer growing or spreading compared to usual care.
Description
PRIMARY OBJECTIVES:
I. To compare the efficacy of single-agent olaparib and the combination of olaparib and
cediranib (and potentially other combination arms that may be added by subsequent amendment)
versus single agent cediranib as measured by progression free survival (PFS), in patients
with recurrent, persistent or metastatic endometrial cancer.
II. To compare the efficacy of the combination of olaparib and AZD5363 (capivasertib), and
the combination of olaparib and durvalumab (MEDI4736), and the combination of cediranib and
durvalumab (MEDI4736) versus single agent cediranib as measured by progression free survival
(PFS), in patients with recurrent, persistent or metastatic endometrial cancer.
SECONDARY OBJECTIVES:
I. To compare the efficacy of single-agent olaparib and the combination of olaparib and
cediranib (and potentially other combination arms that may be added by subsequent amendment)
versus single-agent cediranib as measured by overall survival (OS) in patients with
recurrent, persistent or metastatic endometrial cancer.
II. To compare the efficacy of the combination of olaparib and AZD5363 (capivasertib), and
the combination of olaparib and durvalumab (MEDI4736), and the combination of cediranib and
durvalumab (MEDI4736) versus single agent cediranib as measured by overall survival (OS), in
patients with recurrent, persistent or metastatic endometrial cancer.
III. To compare the efficacy of single-agent olaparib and the combination of olaparib and
cediranib (and potentially other combination arms may be added by subsequent amendment versus
single-agent cediranib as measured by response rate in patients with recurrent, persistent or
metastatic endometrial cancer.
IV. To compare the efficacy of the combination of olaparib and AZD5363 (capivasertib), and
the combination of olaparib and durvalumab (MEDI4736), and the combination of cediranib and
durvalumab (MEDI4736) versus single agent cediranib as measured by response rate in patients
with recurrent, persistent or metastatic endometrial cancer.
V. To assess the safety and tolerability of single-agent cediranib, single-agent olaparib,
and the combination of olaparib and cediranib (and potentially other combination arms may be
added by subsequent amendment).
VI. To assess the safety and tolerability of the combination of olaparib and AZD5363
(capivasertib), and the combination of olaparib and durvalumab (MEDI4736), and the
combination of cediranib and durvalumab (MEDI4736).
VII. To assess if mutations in deoxyribonucleic acid (DNA) homologous repair genes (assayed
prior to all treatment and prior to the study treatment) are predictive of response to
olaparib alone or in combination with cediranib. (Integrated Biomarker) VIII. To assess if
markers of angiogenesis in serial plasma samples are associated with response to cediranib
alone or in combination with olaparib. (Integrated Biomarker)
EXPLORTORY OBJECTIVE:
I. To compare the efficacy of the combination of olaparib and cediranib versus single agent
olaparib as measured by PFS, response rate and OS, if and only if the combination is superior
to the single-agent cediranib arm.
OUTLINE: Patients are randomized to 1 of 6 arms.
ARM I: Patients receive cediranib maleate orally (PO) once daily (QD). Cycles repeat every 28
days in the absence of disease progression or unaccepted toxicity.
ARM II (ENROLLMENT COMPLETE): Patients receive olaparib PO twice daily (BID). Cycles repeat
every 28 days in the absence of disease progression or unaccepted toxicity.
ARM III (ENROLLMENT COMPLETE): Patients receive olaparib PO BID and cediranib maleate PO QD.
Cycles repeat every 28 days in the absence of disease progression or unaccepted toxicity.
ARM IV: Patients receive olaparib PO BID on days 1-28 and capivasertib PO BID on days 1-4
each week. Cycles repeat every 28 days in the absence of disease progression or unaccepted
toxicity.
ARM V: Patients receive olaparib PO BID on days 1-28 and durvalumab intravenously (IV) on day
Cycles repeat every 28 days in the absence of disease progression or unaccepted toxicity.
ARM VI: Patients receive cediranib maleate PO BID on days 1-28 and durvalumab IV on day 1.
Cycles repeat every 28 days in the absence of disease progression or unaccepted toxicity.
After completion of study treatment, patients are followed up every 3 months for 2 years and
then every 6 months for 3 years.
Details
Condition
Endometrial Undifferentiated Carcinoma, Endometrioid Adenocarcinoma, Recurrent Endometrial Serous Adenocarcinoma, Recurrent Uterine Corpus Cancer, Stage IV Uterine Corpus Cancer AJCC v7, Stage IVA Uterine Corpus Cancer AJCC v7, Stage IVB Uterine Corpus Cancer AJCC v7
If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.
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