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Expert Interview

Slingshot members are talking to an expert! The topic is:

A discussion of Larsucosterol (DUR-928) in Alcoholic Hepatitis and the AHFIRM trial

Ticker(s): DRRX

Who's the expert?

Institution: Massachusetts General Hospital 

  • Director of Hepatology and Liver Center & Vice Chief of Gastroenterology at Massachusetts General Hospital.
  • Treats 75 patients with PSC and 400 patients with NASH.
  • Research interest in liver disease pathogenesis in persons with HIV, viral hepatitis, and defining biomarkers and gene signatures for persons at high risk for liver disease progression and liver cancer.

Interview Questions
Q1.

Can you give me an introduction to your clinical practice and research interests?

Added By: wilson_admin
Q2.

Great. I just want to kick this off by understanding a bit more about AH. There was a 2018 article publishedby Dr. Emily Hughes about survival from alcholic hepatitis. They looked at 77 studies published between 1971 and 2016 and concluded that overall mortality from AH was 26% at 28 days, 29% at 90 days, and 44% at 180 days after hospital admission. These numbers are pretty stunning to me and I had no idea they were so high. Is thatpretty aligned with what you see in your practice?

Added By: wilson_admin
Q3.

I want to understand what the typical admission looks like. Like, how much of it is after a severe binging episode vs long term alcohol use. And what would you say drives patients to be admitted, is it acute jaundice or something else?

Added By: wilson_admin
Q4.

What % of patients who are admitted would you classify as severe vs moderate/mild (mdf >32)

Added By: wilson_admin
Q5.

Since Covid, have you found the admissions to increase, or is it about the same

Added By: wilson_admin
Q6.

After a patient is admitted, how do you make the diagnosis? Usually through biopsy?

Added By: wilson_admin
Q7.

I want to get an idea of how patients are treated, in particular, how many end up on corticosteroids or liver transplants, ECAD, plasmapheresis

Added By: wilson_admin
Q8.

Moving onto larsucosterol, for the inclusion criteria, they are enrolling patients with MDF scores >32 and MELD scores between 21 and 30, which to my understanding is pretty severe. What 90 day mortality would you expect in that general population based on that criteria?

Added By: wilson_admin
Q9.

Do you believe there are patient characteristics which yield better outcomes? Like age, overall health, sex, ethnicity, smokers, etc?

Added By: wilson_admin
Q10.

In the phase 2a trial they showed 100% survival for an open label, with a n of 19, with 12 of those being severe. All of them survived, with 8 of those 12 severe patients being discharged in 4 days or less after a single dose. Lille score was 0.19. So obviously this data is inherently limited by its open label nature and small n, but what are your thoughts about these results? Can you think of any other reasons all the patients may have recovered?

Added By: wilson_admin
Q11.

What do you make of the epigenetic mechanism? Do you find it concerning that this mechanism hasn't been published on in well-known medical journals, to my knowledge?

Added By: wilson_admin
Q12.


Assuming the drug did work, is there a % survival at 90 days you would like to see before you use it, or would you just try to put a patient on it as long as it is stat sig over placebo given lack of options?

Added By: wilson_admin
Q13.


Would you consider using it in all comers, off-label, or would you keep it to severe AH patients?

Added By: wilson_admin
Q14.

Something I found interesting was that bilirubin > 8 mg/dL had a median reduction over 28 days by nearly 50%. Is this something that happens naturally in terms of normal recovery?

Added By: wilson_admin
Q15.

Overall, how optimistic are you that this drug actually has activity in this indication, given the small n?

Added By: wilson_admin

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