A Phase 2 interventional study of Biospecimen Collection and Computed Tomography in Pancreatic Acinar Cell Carcinoma, Pancreatic Adenosquamous Carcinoma and Pancreatic Squamous Cell Carcinoma, sponsored by National Cancer Institute (NCI). Recruiting at 456 sites in 3 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-11-05.
Sponsored by National Cancer Institute (NCI) · Phase 2, Interventional, and Treatment
This phase II trial investigates how well the addition of olaparib following completion of surgery and chemotherapy works in treating patients with pancreatic cancer that has been surgically removed (resected) and has a pathogenic mutation in BRCA1, BRCA2, or PALB2. Olaparib is an inhibitor of PARP, an enzyme that helps repair deoxyribonucleic acid (DNA) when it becomes damaged. Blocking PARP may help keep tumor cells from repairing their damaged DNA, causing them to die. PARP inhibitors are a type of targeted therapy.
PRIMARY OBJECTIVE:
I. To determine the relapse-free survival (RFS) benefit from the addition of a maintenance olaparib following completion of chemotherapy in patients with resected pancreatic carcinoma and a pathogenic germline or somatic mutation in BRCA1, BRCA2 or PALB2.
SECONDARY OBJECTIVES:
I. To evaluate RFS in patients with olaparib after perioperative chemotherapy compared to those treated with perioperative therapy alone among patients who received prior platinum-based perioperative chemotherapy.
II. To evaluate overall survival (OS) in patients treated with olaparib after adjuvant chemotherapy compared to those treated with adjuvant treatment alone.
III. To analyze the efficacy of olaparib after chemotherapy in patients with a pathogenic germline BRCA or PALB2 mutation compared to those with a somatic mutation.
IV. To analyze survival differences between patients who received neoadjuvant or perioperative chemotherapy compared to those who received adjuvant therapy alone.
V. To analyze RFS and OS differences in those who received =\< 3 months of perioperative platinum chemotherapy compared to those who received > 3 months of perioperative platinum chemotherapy.
VI. To analyze RFS and OS differences in those who received any platinum-based perioperative chemotherapy compared to no-platinum based perioperative chemotherapy.
EXPLORATORY OBJECTIVES:
I. To analyze RFS and OS differences in patients who had R1 versus (vs) R0 resections, lymph node positivity at resection, and/or elevated or rising CA 19-9 or CEA at time of study enrollment in the post-operative setting.
II. To analyze RFS and OS differences with those who had resectable disease at diagnosis compared to those who did not.
III. To analyze RFS and OS differences in those with gBRCA1 mutations compared to those with gBRCA2 mutations and gPALB2 mutations.
OUTLINE: Patients are randomized to 1 of 2 arms.
ARM I: Patients receive olaparib orally (PO) twice daily (BID) on days 1-28 of each cycle. Cycles repeat every 28 days for 12 cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo computed tomography (CT) scans or CT/magnetic resonance imaging (MRI) and collection of blood throughout the study.
ARM II: Patients receive placebo PO BID on days 1-28 of each cycle. Cycles repeat every 28 days for 12 cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo CT scans or CT/MRI and collection of blood throughout the study.
After completion of study treatment, patients are followed up at 30 days, every 4 months for year 1, then every 6 months for years 2-10 after randomization.
7 studies on the registry are indexed under Carcinoma, Acinar Cell; 2 are open to participants now.
Browse Carcinoma, Acinar Cell studies →National Cancer Institute (NCI) is the lead sponsor of 3,556 studies on the registry; 336 are open to participants now.
Of its 411 completed or terminated interventional studies of FDA-regulated products, 373 (91%) have results posted.
Counted across the registry records on this site, refreshed daily.
Inclusion Criteria:
Patient must have a diagnosis of pancreatic cancer and have successfully undergone a curative intent surgical resection and must have no evidence of recurrent disease as determined by the investigator
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.
Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.
Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.
Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.
It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.
Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.
How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.
Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.
Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.
After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.
A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
CYP3A is a group of enzymes, mainly CYP3A4, in the liver and gut that break down many medicines. Some medicines, supplements and foods (grapefruit, St John’s wort) slow them down or speed them up, which changes how much of a study drug stays in the body.
Studies list them so they can be avoided or switched; bring a list of everything you take, including supplements.
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
ECOG performance status
A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.
Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Adjuvant and neoadjuvant
Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Metastases
Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Childbearing potential
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Postmenopausal
Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraception
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Absolute neutrophil count (ANC)
The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.
It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Platelets
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hemoglobin (Hb)
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Bilirubin
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ULN (upper limit of normal)
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ALT and AST (liver enzymes)
Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.
Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Creatinine clearance (CrCl)
How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
HIV
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hepatitis B tests
Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.
Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hepatitis C tests
Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.
After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ECG (electrocardiogram)
A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
QT and QTc
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
CYP3A (CYP3A4) inhibitors and inducers
CYP3A is a group of enzymes, mainly CYP3A4, in the liver and gut that break down many medicines. Some medicines, supplements and foods (grapefruit, St John’s wort) slow them down or speed them up, which changes how much of a study drug stays in the body.
Studies list them so they can be avoided or switched; bring a list of everything you take, including supplements.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Cancer (malignancy)
Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.
Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Patients receive olaparib PO BID on days 1-28 of each cycle. Cycles repeat every 28 days for 12 cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo CT scans or CT/MRI and collection of blood throughout the study.
Procedure: Biospecimen Collection · Procedure: Computed Tomography · Procedure: Magnetic Resonance Imaging · Drug: Olaparib
Patients receive placebo PO BID on days 1-28 of each cycle. Cycles repeat every 28 days for 12 cycles in the absence of disease progression or unacceptable toxicity. Patients also undergo CT scans or CT/MRI and collection of blood throughout the study.
Procedure: Biospecimen Collection · Procedure: Computed Tomography · Procedure: Magnetic Resonance Imaging · Drug: Placebo Administration
Undergo collection of blood
Also known as: Biological Sample Collection, Biospecimen Collected, Sample Collection, Specimen Collection
Undergo CT or CT/MRI
Also known as: CAT, CAT Scan, Computed Axial Tomography, Computerized Axial Tomography, Computerized axial tomography (procedure), Computerized Tomography, Computerized Tomography (CT) scan, CT, CT Scan, Diagnostic CAT Scan, Diagnostic CAT Scan Service Type, tomography
Undergo CT/MRI
Also known as: Magnetic Resonance, Magnetic Resonance Imaging (MRI), Magnetic resonance imaging (procedure), Magnetic Resonance Imaging Scan, Medical Imaging, Magnetic Resonance / Nuclear Magnetic Resonance, MR, MR Imaging, MRI, MRI Scan, MRIs, NMR Imaging, NMRI, Nuclear Magnetic Resonance Imaging, sMRI, Structural MRI
Given PO
Also known as: AZD 2281, AZD-2281, AZD2281, KU 0059436, KU-0059436, KU0059436, Lynparza, Olanib, Olaparix, PARP Inhibitor AZD2281
Given PO
Improvement in relapse-free survival (RFS)
Will demonstrate an improvement in the RFS from 22 months to 44 months (hazard ratio 0.5) in patients treated with olaparib after perioperative (neoadjuvant, adjuvant or a combination) chemotherapy compared to those treated with perioperative therapy alone.
Time frame: From randomization to first documentation of disease recurrence (primary tumor relapse) or death, assessed from 22 months to 44 months
RFS
Will evaluate RFS in patients with olaparib after perioperative chemotherapy compared to those treated with perioperative therapy alone among patients who received prior platinum-based perioperative chemotherapy. Analysis will be largely exploratory. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization to first documentation of disease recurrence (primary tumor relapse) or death, assessed up to 5 years
Overall survival (OS)
Analysis will be largely exploratory. Power for overall survival in particular will be limited. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization until 10 years after registration or until death, whichever comes first
Efficacy of olaparib after chemotherapy in patients with a pathogenic germline BRCA or PALB2 mutation
Will analyze the efficacy of olaparib after chemotherapy in patients with a pathogenic germline BRCA or PALB2 mutation compared to those with a somatic mutation.
Time frame: Up to 10 years
Differences in survival
Will analyze survival differences between patients who received neoadjuvant or perioperative chemotherapy compared to those who received adjuvant therapy alone.
Time frame: Up to 10 years
RFS in those who received =< 3 months of perioperative platinum chemotherapy compared to > 3 months of perioperative platinum chemotherapy
Analysis will be largely exploratory. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization to first documentation of disease recurrence (primary tumor relapse) or death, assessed up to 5 years
OS in those who received =< 3 months of perioperative platinum chemotherapy versus > 3 months of perioperative platinum chemotherapy
Analysis will be largely exploratory. Power for overall survival in particular will be limited. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization until 10 years after registration or until death, whichever comes first
RFS in those who received any platinum-based perioperative chemotherapy versus no platinum-based perioperative chemotherapy
Analysis will be largely exploratory. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization to first documentation of disease recurrence (primary tumor relapse) or death, assessed up to 5 years
OS in those who received any platinum-based perioperative chemotherapy versus no platinum-based perioperative chemotherapy
Analysis will be largely exploratory. Power for overall survival in particular will be limited. Within each arm any proportion endpoint (toxicity, mutation rate, etc.) will be estimable with a 95% confidence interval. Arm A would have a confidence interval that is 20 percentage points wide, and Arm B would have a confidence interval that is 29 percentage points wide.
Time frame: From randomization until 10 years after registration or until death, whichever comes first
RFS and OS differences in patients who had R1 vs R0 resections
Time frame: Up to 10 years
RFS and OS differences in patients who had lymph node positivity at resection
Time frame: Up to 10 years
RFS and OS differences in patients who had elevated or rising CA 19-9 or CEA
A cutoff of 35 will be used to determine elevated versus normal CA 19-9 (i.e., greater than 35 will be considered elevated), and the cutoff for CEA will be based on the treating institution's definition of the upper limit of normal. Univariate differences by marker status will be analyzed and Cox proportional hazards models will be fit, adjusting for other clinical and demographic factors that may be confounders.
Time frame: Up to 10 years
RFS and OS differences with those who had resectable disease at diagnosis
Will be compared to those who did not.
Time frame: Up to 10 years
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Plan to share: Yes — NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.
Data sharing details ↗ · grants.nih.gov
From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
No contact was published for this record. The registry link below has the sponsor’s details.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
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Studies of the drug tested here: Olaparib
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