One of the surprising things I learned over the summer was how many people misunderstand how advanced ovarian cancer is treated as a disease… it isn’t really one disease to start with, but is actually a series of subsets depending on the molecular underpinnings and also how women with the condition react to therapy.
Imagine then, when we see a series of press releases and abstracts emerge on PARP inhibitors followed by a rather indecent and sudden rush to judgment by Wall St and investors on the ‘Winner takes All’ out of the lot?
Except that real life doesn’t work that way in clinical practice.
A head/desk moment to be sure, and a frustrating one for those who understand what this is actually all about. To address this siituation, we had the pleasure of communicating with KOLs remotely or sitting down with several thought leaders in gynecologic cancer in Copenhagen to debate various aspects relating to current treatment paradigms, new clinical trial data with PARPs, and what they are most excited about going forward.
Today’s post highlights our latest thought leader interview with an experienced GYN oncologist and their perspectives on the rucaparib and niraparib data presented earlier this month at ESMO.
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There was a time when it seemed that all the good news emerging in cancer research was on breast cancer, that is clearly no longer true as other tumour types have seen some leaps and bounds with different modalities, including areas previously thought to be a graveyard for big Pharma, such as metastatic melanoma, for example.
New Dawn at the Houses of Parliament
That said, after the excellent developments in hormone-sensitive disease and the identification of the HER2 oncogene, we now have CDK4/6 as a validated target in metastatic breast cancer.
Pfizer’s palbociclib (Ibrance) lead the way, with two approvals in previously untreated and relapsed ER+ HER2- advanced breast cancer. Two other companies in this field are Novartis with ribociclib and Lilly with abemaciclib. Data is being presented on all three therapies at ESMO this year.
In addition, there are some other abstracts of note that are well worth discussing.
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In our ECCO Preview series last year (note: ESMO and ECCO have alternated the EU major cancer conference in the Fall for years), we highlighted several promising novel agents in development including the following:
- StemCentRx’s anti-DLL3 inhibitor: rovalpituzumab tesirine (ROVA-T)
- Ignyta’s Pan Trk, ROS1 and ALK inhibitor: entrectinib
- Pfizer’s anti-NOTCH3 inhibitor: PF–06650808
- Pfizer’s PTK7 ADC in TNBC: PF–06647020
What happened to them all? Were they good selections or not?
Well, AbbVie acquired StemCentRx in a $10.2B deal, Ignyta are busy advertising their new clinical trial enrollment for entrectinib as a non-chemotherapy and non-placebo controlled study on social media, suggesting that compound’s clinical development is still very much alive, while both the Pfizer compounds are also still active, as far as I know.
None have yet been consigned to dog drug heaven, which is quite something considering the failure rate in oncology drug pipelines!
Indeed, last year the Pfizer PTK7 ADC data was focused on triple negative breast cancer, where there is a solid rationale. This time around, the same research group explore the latest activity in advanced solid tumours, including ovarian cancer, as mentioned in the earlier Preview (See: 9 key abstracts in Ovarian Cancer).
So it’s time to sit down and chew the fat on one of my favourite topics at conferences – Development Therapeutics.
Here we consider which other compounds – other than the Pfizer ADC – that are worthy of highlighting and watching out for this year?
There are certainly some curious and quite different (i.e. novel) approaches to look at.
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