Bob Duggan, Summit CEO (via Summit Investments)

The FDA ob­jects to biotech bil­lion­aire Bob Dug­gan’s PhI­II plans — and he’s not budg­ing

Summit Therapeutics, the Cambridge, MA-based biotech run by billionaire investor Bob Duggan, has found itself in the FDA’s crosshairs.

Last month, Summit announced its intent to combine two Phase III studies for its experimental C. difficile treatment, ridinilazole, into one trial in a process that involved changing the primary endpoint. But regulators do not agree with the new endpoint, the biotech revealed in an SEC filing Tuesday, raising questions about ridinilazole’s ongoing development.

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Image courtesy of The Janssen Pharmaceutical Companies of Johnson & Johnson.

Pro­tect­ing the glob­al phar­ma­ceu­ti­cal in­no­va­tion ecosys­tem – what’s at stake?

We are living in a new era of healthcare that is rapidly advancing progress impacting patient outcomes and experiences. We’ve seen a remarkable pace of transformational innovation, applied research, and advanced clinical development over the last decade.

Despite this tremendous progress, there is much more work to be done, and patients are counting on us – now more than ever – to continue that momentum. At the heart of our industry is a focus on developing and delivering medicines for some of the world’s most challenging diseases, including those that have few or no effective treatments today.

Roger Perl­mut­ter lines up deals, fresh fund­ing at Eikon; Sec­ond RSV vac­cine ap­proved; Sev­er­al biotechs flash­ing red; and more

Welcome back to Endpoints Weekly, your review of the week’s top biopharma headlines. Want this in your inbox every Saturday morning? Current Endpoints readers can visit their reader profile to add Endpoints Weekly. New to Endpoints? Sign up here.

As you come back to our website this weekend for ASCO news, don’t forget to check out our updated event lineup at BIO, which will cover everything from the current state of VC investing in biotech to top pharma R&D chiefs discussing how to make pipeline decisions.

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Peter van de Sande, Synaffix CEO

Lon­za shells out $107M cash to snap up Synaf­fix and its ADC plat­form

After lining up a string of partnerships over the years, Dutch antibody-drug conjugate specialist Synaffix has found a new home: Lonza, the contract development and manufacturing giant.

Lonza is paying about $107 million (€100 million) in cash to acquire Synaffix, with up to $64 million (€60 million) in “additional performance-based consideration” on the table. Synaffix’s ADC tech platform will now become part of Lonza’s offering for biopharma clients, lending its bioconjugate technologies to not just ADCs but also targeted gene therapy, immune cell engagers and other applications.

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Full TIG­IT da­ta from Gilead, Ar­cus show low­er PFS rates than De­cem­ber read­out: #AS­CO23

CHICAGO — Gilead and Arcus unveiled a fuller snapshot of a Phase II study testing their experimental cancer immunotherapy combo that showed lower progression-free survival rates than its previous update, results that are likely to spark further debate over the closely-watched clinical trial.

Last December, the anti-TIGIT/anti-PD-L1 combo, positioned as a first-line treatment for non-small cell lung cancer, recorded data that drew mixed reactions. The latest analysis, presented Saturday afternoon at ASCO, included only a handful more patients than the previous update, but PFS rates fell — in one cohort by nearly three months.

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Bris­tol My­er­s' Op­di­vo keeps can­cer at bay in more lym­phoma pa­tients than Seagen's Ad­cetris in PhI­II: #AS­CO23

CHICAGO — In a study pitting Seagen’s Adcetris against Bristol Myers Squibb’s Opdivo in newly diagnosed patients with advanced classic Hodgkin lymphoma, a greater proportion of those who received Opdivo saw no cancer growth at one year compared to those who got Adcetris.

In addition, patients in the Opdivo arm of the Phase III trial reported reduced toxicities, according to lead investigator Alex Herrera, a hematologist-oncologist at City of Hope’s cancer cancer in Duarte, CA. Notably, the trial included more than 200 children across both arms. Generally, more than half of children with advanced Hodgkin lymphoma receive radiation therapy, but in this trial, dubbed SWOG S1826, only a handful of patients in the two arms received radiotherapy, sparing many children from long-term side effects of radiation.

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Servi­er’s vo­rasi­denib stalls pro­gres­sion of brain can­cer by 61% in piv­otal PhI­II IN­DI­GO study: #AS­CO23

An experimental pill from Servier Pharmaceuticals showed potentially practice-changing results in a narrow group of brain cancer patients, cutting the risk of their cancers progressing by 61%, according to a late-stage clinical trial.

The drug, vorasidenib, is a precision medicine that only works in certain people whose cancer carries mutations in one of two genes called IDH1/2. Doctors hope that the therapy will delay the need for chemotherapy or radiation, which are often used to combat relapses in patients who’ve previously undergone surgery to remove brain tumors.

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As­traZeneca tri­al shows mod­est ben­e­fit in ovar­i­an can­cer, but doc­tors say it's hard to ap­ply find­ings: #AS­CO23

CHICAGO — Adding AstraZeneca’s Imfinzi and Lynparza to the treatment regimen for patients with advanced ovarian cancer and no BRCA mutation extended progression-free survival (PFS) by five months, according to interim data released at the ASCO annual meeting Saturday morning.

However, the design of the Phase III study obscures how much Imfinzi is contributing to the PFS extension, doctors said, making it difficult to apply the findings to clinical practice.

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Keytru­da be­fore and af­ter lung can­cer surgery cuts re­lapse risk by 42%, but doesn’t im­prove sur­vival: #AS­CO23

CHICAGO — Merck has found partial success with its latest effort to more aggressively treat earlier stages of lung cancer.

On Saturday the pharma giant announced results from a large trial in which patients received Merck’s immunotherapy Keytruda plus chemotherapy before surgeons removed their tumors, followed by another course of Keytruda afterward.

The Phase III study, called KEYNOTE-671, enrolled 800 people with the early stages of the most common kind of lung cancer: non-small cell lung cancer, or NSCLC. Everyone got chemo before surgery, and half also got Keytruda before and after. At two years, 62.4% of those who got Keytruda kept their cancer at bay, compared to 40.6% who got a placebo.

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Albert Bourla, Pfizer CEO (Michel Euler/AP Images, Pool)

FDA ap­proves Pfiz­er’s RSV shot for old­er adults, tee­ing up a com­pet­i­tive $17B vac­cine mar­ket

The FDA approved Pfizer’s RSV vaccine called Abrysvo for older adults on Wednesday, placing another Big Pharma onto the commercial stage ahead of the next RSV season.

Pfizer’s approval comes weeks after GSK won approval for its rival shot, Arexvy. Those two vaccines are both approved for use in adults 60 years and older and will be reviewed by a CDC panel in June before they’re expected to commercially launch this fall. Wall Street analysts see RSV as the next multibillion-dollar vaccine market, with Jefferies analysts recently forecasting the RSV market will grow to $17 billion over the next decade.

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