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BRCA or PALB2-mutant pancreatic ductal adenocarcinoma: the decisions you may face

5 treatment settings, 4 with more than one named option. Each section lays out the options the standard of care names, what each is for, the trials behind them with their recorded results, the side effects and cautions on record, and questions to ask. Built from the cancer page's standard-of-care rows; nothing here is advice for your case.

2 options

Germline testing for BRCA1, BRCA2, PALB2 and other cancer genes for every patient with pancreatic cancer, with cascade testing of relatives and surveillance for unaffected carriers in a research setting.

The options, in plain words

A test of the DNA you were born with, to find inherited risk genes such as BRCA or Lynch syndrome.

  • Actionable for patient and relatives
  • Cheap

Yearly MRI or endoscopic ultrasound for people with inherited risk, which catches pancreatic cancers while they are still operable.

  • Stage shift to resectable disease in carriers
  • Defines the population for blood-test validation
The evidence behind it

No trial record is attached to this row yet. The trials tab lists what is recruiting and the landmark trials for this cancer.

The main trade-offs on record
  • VUS burden
  • Uptake and counselling capacity
  • Only ~10% of pancreatic cancers arise in identifiable high-risk groups
  • Cyst overtreatment risk
  • Cost and adherence
Questions to ask about this decision
  1. Between Germline (hereditary) testing and High-risk pancreatic surveillance (CAPS / PRECEDE), which do you recommend for me, and what about my case would make you choose differently?
    Why: Guidelines list several reasonable options; the choice turns on details of your tumour, your health and your priorities.
  2. What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?
    Why: The aim shapes how much side effect and disruption is worth accepting.
  3. What happens if I delay, or decline this step for now? Is the decision reversible?
    Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
  4. Does your recommendation follow the current guideline (NCCN Guidelines: Pancreatic Adenocarcinoma), and if it departs from it, why?
    Why: Departures from guidelines are sometimes right for an individual; they should be explained.
  5. For my situation (testing), which of the standard options do you recommend and why?
    Why: Guideline options include: Germline testing for BRCA1, BRCA2, PALB2 and other cancer genes for every patient with pancreatic cancer, with cascade testing of relatives and surveillance for unaffected carriers in a research setting.

Add these to your appointment list, or take the full question set for this cancer.

Advanced, first line

Metastatic, first line

Platinum-containing chemotherapy: modified FOLFIRINOX, NALIRIFOX or gemcitabine plus cisplatin, chosen by fitness.

The options, in plain words

FOLFIRINOX is a four-drug chemotherapy combination that, in 2011, became the first treatment to meaningfully extend life in metastatic pancreatic cancer; it is now the standard before and after surgery.

NALIRIFOX is a version of FOLFIRINOX using a liposome-wrapped irinotecan, approved in 2024 as a first-line option for metastatic pancreatic cancer.

Gemcitabine plus cisplatin has been the chemotherapy backbone for bile duct cancer since 2010 and is now given with immunotherapy.

Cisplatin is the original platinum chemotherapy, discovered by accident in 1965; it cures testicular cancer and makes radiation work better in cervical and head and neck cancer.

The evidence behind it

No trial record is attached to this row yet. The trials tab lists what is recruiting and the landmark trials for this cancer.

The main trade-offs on record
  • Dose reduce or avoid for CrCl below 60 (carboplatin is the alternative).
Questions to ask about this decision
  1. Between FOLFIRINOX / mFOLFIRINOX, NALIRIFOX (liposomal irinotecan + oxaliplatin + 5-FU/LV), Gemcitabine + cisplatin and the other options, which do you recommend for me, and what about my case would make you choose differently?
    Why: Guidelines list several reasonable options; the choice turns on details of your tumour, your health and your priorities.
  2. What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?
    Why: The aim shapes how much side effect and disruption is worth accepting.
  3. What happens if I delay, or decline this step for now? Is the decision reversible?
    Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
  4. Does your recommendation follow the current guideline (NCCN Guidelines: Pancreatic Adenocarcinoma), and if it departs from it, why?
    Why: Departures from guidelines are sometimes right for an individual; they should be explained.
  5. For my situation (metastatic, first line), which of the standard options do you recommend and why?
    Why: Guideline options include: Platinum-containing chemotherapy: modified FOLFIRINOX, NALIRIFOX or gemcitabine plus cisplatin, chosen by fitness.
  6. Am I a candidate for FOLFIRINOX / mFOLFIRINOX, NALIRIFOX (liposomal irinotecan + oxaliplatin + 5-FU/LV), Gemcitabine + cisplatin or related drugs, and what side effects should I expect?
    Why: Knowing the expected toxicities helps you plan work, family, and supportive care.

Add these to your appointment list, or take the full question set for this cancer.

Olaparib after at least sixteen weeks of first-line platinum without progression in germline BRCA carriers (POLO); rucaparib for PALB2 and somatic alterations on phase 2 evidence; continued chemotherapy as the alternative.

The options, in plain words

Olaparib was the first PARP inhibitor, and turned an inherited BRCA mutation from a risk factor into a drug target, including after surgery in breast cancer.

A PARP inhibitor for BRCA-mutated ovarian and prostate cancer whose original maker went bankrupt; still available, with a narrowed label.

Pills that block a DNA repair backup, killing cancer cells that already lost their main repair system (BRCA).

  • Oral, targeted to a germline-definable population
  • Overall survival benefit in adjuvant setting
The evidence behind it
  • Germline BRCA-mutated metastatic PDAC not progressed on ≥16 weeks of platinum: olaparib maintenance vs placebo

    PFS HR 0.53; OS HR 0.83 (not significant).

    Progression-free survival (months): Olaparib maintenance 7.4 (n=92) vs Placebo 3.8 (n=62) · HR 0.53 · source
The main trade-offs on record
Side effectAny gradeGrade 3+
Anaemia · OlympiA adjuvant, n=91124%9%
Neutropenia · OlympiA adjuvant, n=91116%5%
Leukopenia · OlympiA adjuvant, n=91117%3%
Fatigue · OlympiA adjuvant, n=91142%1.8%
  • Avoid grapefruit and Seville oranges.
  • 200 mg twice daily for CrCl 31-50.

Rates from the label or pivotal trial as recorded on the product page; each grade 3+ figure links to its source.

  • Myelosuppression, MDS risk
  • Reversion resistance
Questions to ask about this decision
  1. Between Olaparib, Rucaparib and PARP inhibitors, which do you recommend for me, and what about my case would make you choose differently?
    Why: Guidelines list several reasonable options; the choice turns on details of your tumour, your health and your priorities.
  2. What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?
    Why: The aim shapes how much side effect and disruption is worth accepting.
  3. How closely do I match the people in POLO, and does that change what the results mean for me?
    Why: Trial populations are selected; age, fitness, prior treatment and biomarkers all affect how far results carry.
  4. Which side effects of Olaparib are most likely for me, which are reversible, and which would make us stop?
    Why: The recorded rates below come from labels and trials; your own risk depends on dose, other medicines and your health.
  5. What happens if I delay, or decline this step for now? Is the decision reversible?
    Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
  6. Does your recommendation follow the current guideline (NCCN Guidelines: Pancreatic Adenocarcinoma), and if it departs from it, why?
    Why: Departures from guidelines are sometimes right for an individual; they should be explained.
  7. For my situation (maintenance), which of the standard options do you recommend and why?
    Why: Guideline options include: Olaparib after at least sixteen weeks of first-line platinum without progression in germline BRCA carriers (POLO); rucaparib for PALB2 and somatic alterations on phase 2 evidence; continued chemotherapy as the alternative.
  8. Am I a candidate for Olaparib, Rucaparib, and what side effects should I expect?
    Why: Knowing the expected toxicities helps you plan work, family, and supportive care.
  9. How do the results of POLO apply to someone like me?
    Why: Trial populations differ from individual patients; ask how closely you match.

Add these to your appointment list, or take the full question set for this cancer.

Locally advanced

Resectable or borderline

One path named

Platinum-based neoadjuvant or adjuvant chemotherapy (modified FOLFIRINOX) rather than gemcitabine alone; adjuvant PARP inhibition only in trials.

The path, in plain words

FOLFIRINOX is a four-drug chemotherapy combination that, in 2011, became the first treatment to meaningfully extend life in metastatic pancreatic cancer; it is now the standard before and after surgery.

The evidence behind it
  • Adjuvant therapy after resection of PDAC: mFOLFIRINOX vs gemcitabine

    OS 54.4 vs 35.0 months, HR 0.64.

    Disease-free survival (months): Adjuvant mFOLFIRINOX 21.6 (n=247) vs Adjuvant gemcitabine 12.8 (n=246) · HR 0.58 · source
  • Resectable and borderline-resectable PDAC: neoadjuvant chemoradiation (PREOPANC-1) or neoadjuvant FOLFIRINOX (PREOPANC-2) vs upfront surgery
    Show survival figures (1)

    Averages across everyone diagnosed, often years ago. Your stage, subtype, age, fitness and the treatment you receive matter more than the average, and the numbers are improving quickly.

    • PREOPANC-1 5-year OS 20.5% vs 6.5%; PREOPANC-2 no OS benefit.
    Overall survival (long-term) (%): Neoadjuvant chemoradiotherapy, 5-year OS 20.5 (n=119) vs Upfront surgery, 5-year OS 6.5 (n=127) · HR 0.73 · source
The main trade-offs on record

No side-effect rates or interaction flags are recorded for these options yet. The side-effect lookup and interaction checker cover the products that have them.

Questions to ask about this decision
  1. Is FOLFIRINOX / mFOLFIRINOX the only reasonable path for me, or is there a trial, a different sequence or a wait-and-see option?
    Why: A single standard does not mean a single choice; timing and trials are decisions too.
  2. What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?
    Why: The aim shapes how much side effect and disruption is worth accepting.
  3. How closely do I match the people in PRODIGE 24 / CCTG PA6 and PREOPANC-1 / PREOPANC-2, and does that change what the results mean for me?
    Why: Trial populations are selected; age, fitness, prior treatment and biomarkers all affect how far results carry.
  4. What happens if I delay, or decline this step for now? Is the decision reversible?
    Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
  5. Does your recommendation follow the current guideline (NCCN Guidelines: Pancreatic Adenocarcinoma), and if it departs from it, why?
    Why: Departures from guidelines are sometimes right for an individual; they should be explained.
  6. For my situation (resectable or borderline), which of the standard options do you recommend and why?
    Why: Guideline options include: Platinum-based neoadjuvant or adjuvant chemotherapy (modified FOLFIRINOX) rather than gemcitabine alone; adjuvant PARP inhibition only in trials.
  7. Am I a candidate for FOLFIRINOX / mFOLFIRINOX, and what side effects should I expect?
    Why: Knowing the expected toxicities helps you plan work, family, and supportive care.
  8. How do the results of PRODIGE 24 / CCTG PA6 and PREOPANC-1 / PREOPANC-2 apply to someone like me?
    Why: Trial populations differ from individual patients; ask how closely you match.

Add these to your appointment list, or take the full question set for this cancer.

Second line

After progression on a PARP inhibitor

Non-platinum chemotherapy (gemcitabine plus nab-paclitaxel) or daraxonrasib after first-line chemotherapy; trials of PARP inhibitor combinations.

The options, in plain words

Gemcitabine plus nab-paclitaxel is the gentler of the two standard chemotherapy backbones for pancreatic cancer, and the base on which most new drugs are being tested.

The first drug that blocks all active RAS variants, approved by the FDA in August 2026 for metastatic pancreatic cancer, where KRAS drives 90% of tumours.

Also referenced:BRCA reversion mutations
The evidence behind it

No trial record is attached to this row yet. The trials tab lists what is recruiting and the landmark trials for this cancer.

The main trade-offs on record

No side-effect rates or interaction flags are recorded for these options yet. The side-effect lookup and interaction checker cover the products that have them.

Questions to ask about this decision
  1. Between Gemcitabine + nab-paclitaxel and Daraxonrasib, which do you recommend for me, and what about my case would make you choose differently?
    Why: Guidelines list several reasonable options; the choice turns on details of your tumour, your health and your priorities.
  2. What is each option trying to achieve: cure, long control, or relief of symptoms, and over what time?
    Why: The aim shapes how much side effect and disruption is worth accepting.
  3. What happens if I delay, or decline this step for now? Is the decision reversible?
    Why: Some decisions can wait for a second opinion or a trial slot; others cannot. Knowing which is part of the choice.
  4. Does your recommendation follow the current guideline (NCCN Guidelines: Pancreatic Adenocarcinoma), and if it departs from it, why?
    Why: Departures from guidelines are sometimes right for an individual; they should be explained.
  5. For my situation (after progression on a parp inhibitor), which of the standard options do you recommend and why?
    Why: Guideline options include: Non-platinum chemotherapy (gemcitabine plus nab-paclitaxel) or daraxonrasib after first-line chemotherapy; trials of PARP inhibitor combinations.
  6. Am I a candidate for Gemcitabine + nab-paclitaxel, Daraxonrasib, and what side effects should I expect?
    Why: Knowing the expected toxicities helps you plan work, family, and supportive care.

Add these to your appointment list, or take the full question set for this cancer.

How to read this page. Options and results come from OnCo records with their sources; the settings are the standard-of-care rows on the cancer page, and the lines of therapy are on the sequencing grid. Where a setting names one path, the choice is usually about timing, trials and where to be treated: see expert centres. OnCo is orientation, not medical advice.