Daniel O'Day, Gilead CEO (Kevin Dietsch/UPI/Bloomberg via Getty Images)

Play-by-play of Gilead­'s $21B Im­munomedics buy­out de­tails a fren­zied push — and mints a new biotech bil­lion­aire

Immunomedics had not really been looking for a buyout when the year began. Excited by its BLA for Trodelvy, submitted to the FDA in late 2019, executive chairman Behzad Aghazadeh started off looking for potential licensing deals and zeroed in on four potential partners, including Gilead, following January’s JP Morgan Healthcare Conference in San Francisco. Such talks advanced throughout the year, with discussions advancing to the second round in mid-August.

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Charles Baum, Mirati CEO

UP­DAT­ED: Mi­rati plots a march to the FDA for its KRAS G12C drug, breath­ing down Am­gen’s neck with bet­ter da­ta

Mirati Therapeutics $MRTX took another closely-watched step toward a now clearly defined goal to file for an approval for its KRAS G12C cancer drug adagrasib (MRTX849), scoring a higher response rate than the last readout from the class-leading rival at Amgen but still leaving open a raft of important questions about its future.

Following a snapshot of the first handful of responses, where the drug scored a tumor response in 3 of 5 patients with non-small cell lung cancer, the response rate has now slid to 45% among a pooled group of 51 early-stage and Phase II patients, 43% — 6 of 14 — when looking solely at the Phase I/Ib. Those 14 patients had a median treatment duration of 8.2 months, with half still on therapy and 5 of 6 responders still in response.

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In his­toric Covid-19 ad­comm, vac­cine ex­perts de­bate a sea of ques­tions — but of­fer no clear an­swers

The most widely anticipated and perhaps most widely watched meeting in the FDA’s 113-year history ended late Thursday night with a score of questions and very few answers.

For nearly 9 hours, 18 different outside experts listened to public health agencies and foundations present how the United States’ Covid-19 vaccine program developed through October, and they debated where it should go from there: Were companies testing the right metrics in their massive trials? How long should they track patients before declaring a vaccine safe or effective? Should a vaccine, once authorized, be given to the volunteers in the placebo arm of a trial?

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Michel Vounatsos, Biogen CEO (via YouTube)

Bio­gen spot­lights a pair of painful pipeline set­backs as ad­u­canum­ab show­down looms at the FDA

Biogen has flagged a pair of setbacks in the pipeline, spotlighting the final failure for a one-time top MS prospect while scrapping a gene therapy for SMA after the IND was put on hold due to toxicity.

Both failures will raise the stakes even higher on aducanumab, the Alzheimer’s drug that Biogen is betting the ranch on, determined to pursue an FDA OK despite significant skepticism they can make it with mixed results and a reliance on post hoc data mining. And the failures are being reported as Biogen was forced to cut its profit forecast for 2020 as a generic rival started to erode their big franchise drug.

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Ul­tragenyx in­jects $40M to grab Solid's mi­crody­s­trophin trans­gene — while side­step­ping the AAV9 vec­tor that stirred up safe­ty fears

Since before Ilan Ganot started Solid Bio to develop a gene therapy for kids like his son, who has Duchenne muscular dystrophy, Ultragenyx CEO Emil Kakkis has been watching and advising the former investment banker as he navigated the deep waters of drug development.

Just as Solid is getting back up on its feet after a yearlong clinical hold, Kakkis has decided to jump in for a formal alliance.

With a $40 million upfront, Ultragenyx is grabbing 14.45% of Solid’s shares $SLDB and the rights to its microdystrophin construct for use in combination with AAV8 vectors. Solid’s lead program, which utilizes AAV9, remains unaffected. The company also retains rights to other applications of its transgene.

Stephen Hahn, FDA commissioner (AP Images)

As FDA sets the stage for the first Covid-19 vac­cine EUAs, some big play­ers are ask­ing for a tweak of the guide­lines

Setting the stage for an extraordinary one-day meeting of the Vaccines and Related Biological Products Advisory Committee this Thursday, the FDA has cleared 2 experts of financial conflicts to help beef up the committee. And regulators went on to specify the safety, efficacy and CMC input they’re looking for on EUAs, before they move on to the full BLA approval process.

All of this has already been spelled out to the developers. But the devil is in the details, and it’s clear from the first round of posted responses that some of the top players — including J&J and Pfizer — would like some adjustments and added feedback. And on Thursday, the experts can offer their own thoughts on shaping the first OKs.

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Retrophin beefs up the rare dis­ease drug pipeline with a $517M buy­out deal

A little more than a year after Retrophin conceded the complete failure of a drug co-invented by company founder Martin Shkreli, the biotech is beefing up its rare disease pipeline through a $517 million buyout deal — fronted with $90 million in cash.

After the bell sounded Thursday, Retrophin $RTRX put out word that it’s acquiring the low-profile biotech Orphan Technologies. The buyout gives them an enzyme replacement therapy called OT-58 for the treatment of classical homocystinuria, a rare disease that is triggered by insufficient levels of an enzyme called cystathionine beta synthase.

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Pfiz­er scoops up an an­tibi­ot­ic in rare M&A deal, bag­ging a vir­tu­al start­up op­er­at­ing on a shoe­string bud­get

Pfizer is stepping up with a rare antibiotics buyout deal today, grabbing Palo Alto, CA-based Arixa Pharmaceuticals in a bid to add a new oral version of avibactam, a beta lactamase inhibitor — or BLI — approved back in 2015 as part of the IV treatment Avycaz.

The Arixa acquisition follows some encouraging Phase I responses demonstrating that 60% to 80% of the oral drug is absorbed into the bloodstream. Only 7% of the IV version is absorbed orally, far below the 30% threshold Arixa has pointed to as a therapeutic threshold. The buyout gives Pfizer’s hospital group a line on a new oral combo with antibiotics like ceftibuten to go after drug-resistant cases of urinary tract infections and other ailments.

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Jean-Pierre Sommadossi, Atea president and CEO (file photo)

Roche wades deep­er in­to Covid-19 fight, ink­ing an­tivi­ral pact with $350M cash fol­low­ing Re­gen­eron deal

Roche is making its first bet on an antiviral against Covid-19 in style, shelling out $350 million in cash to grab ex-US rights.

The drug comes from Atea Pharmaceuticals, the 7-year-old biotech created by Pharmasset co-founder Jean-Pierre Sommadossi, which essentially rebranded itself as a Covid-19 fighter in May when it closed a whopping $215 million venture round. Over a dozen investors bought in, including marquee names like Bain Capital and RA Capital.

David Hung (file photo)

Mas­ter deal­mak­er David Hung re­tools a SPAC sedan in­to a fi­nanc­ing mus­cle ve­hi­cle that leaves his can­cer start­up with $850M and a place on Wall Street

It’s only right that one of the industry’s top dealmakers just completed one of the biggest SPAC-related deals in the pipeline.

David Hung, of Medivation fame, has completed a back flip into the market, merging with EcoR1 Capital’s SPAC Panacea and landing neatly on Wall Street with an $NUVB stock ticker after filling out the blank check in his name. In addition to the $144 million held in the SPAC — provided none of the investors opt out — Hung is getting ahold of $500 million more being chipped in by a slate of institutional investors who feel that Hung could have the keys to another Medivation-style success.

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