HotSpot gets hotter with $100M raise to push toward clinic

Jonathan Montagu (L) and Gerry Harriman, HotSpot co-founders

HotSpot Ther­a­peu­tics, the al­lostery-fo­cused biotech that works on what it calls ‘nat­ur­al hotspots’ — hence the name — is get­ting a bit hot­ter in its val­u­a­tion from in­vestors. And to that end they’ve raised $100 mil­lion.

The four-year-old AI com­pu­ta­tion­al biotech start­ed by two for­mer Nim­bus ex­ecs an­nounced this morn­ing that it closed its Se­ries C round right at the line of a 9-fig­ure in­vest­ment, cour­tesy of some big in­vestors.

Piv­otal bioVen­ture Part­ners took the lead on the round — with ‘sig­nif­i­cant par­tic­i­pa­tion’ by LSP and B Cap­i­tal Group. A slew of new in­vestors hopped on the band­wag­on, such as Monashee In­vest­ment Man­age­ment and Rev­e­la­tion Part­ners, along with some old in­vestors like At­las Ven­ture, SR One Cap­i­tal Man­age­ment and Sofinno­va Part­ners.

This new round more than dou­bles what HotSpot has pre­vi­ous­ly raised, bring­ing it to a to­tal of $190 mil­lion. The last time HotSpot raised funds was in May 2020, when the biotech an­nounced a $65 mil­lion Se­ries B.

The biotech fol­lows in Nim­bus’ foot­steps of de­vel­op­ing ther­a­pies for so-called al­losteric tar­gets us­ing a com­pu­ta­tion­al plat­form — look­ing at pro­tein pock­ets be­yond ac­tive sites to find ways to drug pro­teins that were pre­vi­ous­ly deemed un­drug­gable or hard to drug.

And as with many rounds, there’s al­so board ap­point­ments. Ash Khan­na, a ven­ture part­ner with Piv­otal bioVen­ture Part­ners, and Fouad Az­zam of LSP will join HotSpot’s board of di­rec­tors.

For HotSpot’s co-founders, CEO Jonathan Mon­tagu and CSO Ger­ry Har­ri­man, this al­lows HotSpot to piv­ot more in­to clin­i­cal de­vel­op­ment.

And with the Se­ries C, an IPO is usu­al­ly not far be­hind. As Mon­tagu put it, this raise puts HotSpot ‘in the dri­ver’s seat,’ he told End­points News — and while it’s too ear­ly to con­sid­er a move in­to the pub­lic eq­ui­ty mar­ket, he says it al­lows HotSpot the flex­i­bil­i­ty as to when it goes pub­lic.

With the cash run­way un­til 2024, the new round al­lows the biotech to move pro­grams in­to the IND-en­abling phase, Mon­tagu said. Their plan is to file an IND on their lead pro­gram some­time next year — a CBL-B tar­get fo­cus­ing on the E3 lig­ase — af­ter HotSpot nom­i­nates a de­vel­op­ment can­di­date for that tar­get. Even­tu­al­ly, HotSpot’s goal is to start dos­ing pa­tients in a clin­i­cal set­ting by the end of 2022.

The com­pa­ny hopes the IND will be the first of many. Out­side of the com­pa­ny’s 3 pub­licly-known tar­gets, there’s a few more that re­main undis­closed that, in Mon­tagu’s mind, gives HotSpot lever­age in ef­fi­cient R&D.

‘We’re go­ing to scale the com­pa­ny so that we can have a steady state of 2-3 lead op­ti­miza­tion pro­grams at any one time, which will trans­late in­to a steady ca­dence of mol­e­cules en­ter­ing the clin­ic,’ Mon­tagu said in an in­ter­view.

Out­side of the pipeline, the com­pa­ny is al­so look­ing to in­crease the num­ber of em­ploy­ees — which is cur­rent­ly split be­tween Boston and New Jer­sey. HotSpot is cur­rent­ly ex­pand­ing its team over­seas in Berlin, Ger­many, Mon­tagu con­firmed.

‘What we would like to do is to re­al­ly build out a num­ber of ar­eas in our re­search or­ga­ni­za­tion that can not on­ly sup­port a grow­ing pipeline, but al­so make deep in­vest­ments in­to our plat­form. So we will see growth in ar­eas such as bi­ol­o­gy, chem­istry, and then our AI ef­forts in our plat­form,’ Har­ri­man told End­points in an in­ter­view.

Har­ri­man al­so said they would hire out­side com­pa­nies for man­u­fac­tur­ing when it reach­es that point.

While oncology researchers have long pursued the potential of cellular immunotherapies for the treatment of cancer, it was unclear whether these therapies would ever reach patients due to the complexity of manufacturing and costs of development. Fortunately, the recent successful development and regulatory approval of chimeric antigen receptor-engineered T (CAR-T) cells have demonstrated the significant benefit of these therapies to patients.

Tillman Gerngross (Adagio)

Tillman Gerngross, the rarely shy Dartmouth professor, biotech entrepreneur and antibody expert, has been warning for over a year that the virus behind Covid-19 would likely continue to mutate, potentially in ways that avoid immunity from infection and the best defenses scientists developed. He spun out a company, Adagio, to build a universal antibody, one that could snuff out any potential mutation.

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Most drug development professionals are familiar with the nerve-racking wait for the read-out of a large trial. If it’s negative, is the investigational therapy ineffective? Or could the failure result from an unforeseen flaw in the design or execution of the protocol, rather than a lack of efficacy? The team could spend weeks analyzing data, but a definitive answer may be elusive due to insufficient power for such analyses in the already completed trial. These problems are only made worse if the trial had lower enrollment, or higher dropout than expected due to an unanticipated event like COVID-19. And if a trial is negative, the next one is likely to be larger and more costly — if it happens at all.

Ursula von der Leyen, President of the European Commission

As Americans were waking up for their Black Friday rituals, they were greeted with the news that a new mutation of the Covid-19 virus has appeared and been sequenced — after it caught an international flight to Hong Kong. And two of the leading Covid-19 vaccine developers promised delivery of a new vaccine ‘within 100 days’ if necessary while a third spelled out its 3-prong strategy hours later.

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Shankar Musunuri, Ocugen CEO

Back in July, Ocugen and Bharat Biotech unveiled some Phase III data suggesting their Covid-19 vaccine, Covaxin, was 77.8% effective at preventing overall disease in India. They’re now looking to launch an immuno-bridging study to see if those numbers hold up in the US — but on Friday, the FDA said not so fast.

Regulators have placed a clinical hold on the partners’ IND, Ocugen shared on Friday. Ocugen’s stock $OCGN sank 9% on the news Friday, but was up almost 7% in pre-market trading on Monday.

The emergence of the Omicron variant over the holiday has reignited the focus on vaccine equity, and in its efforts to bring more shots to Africa, one South African biotech is reportedly close to reproducing Moderna’s mRNA shot.

Afrigen Biologics and Vaccines is speeding toward its pivotal trials, the Washington Post reported Sunday, though it’s doing so without Moderna’s recipe. The biotech reportedly has finished sequencing the Moderna vaccine and plans to soon compare its own recreation to Moderna’s jab.

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The FDA has slapped a clinical hold on the early-stage program for one of Kura Oncology’s cancer drugs following a patient’s death in a clinical trial.

The biotech $KURA reported early Wednesday that the Phase Ib study of KO-539 for acute myeloid leukemia would be halted, suspending enrollment, while researchers and the FDA probed the death. Patients already on the drug can continue taking it.

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