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ivandujaut

Projects

Cases on health in the United States and insurance in Argentina. Each one takes a problem a company has in front of it and carries it through to a decision: how much money is at stake, what the first step is, and what is not worth building.

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Case study

The Alzheimer's drug that came out a year after its rival already costs more to the Medicare the government runs

Kisunla treats fewer patients than Leqembi, but each one costs a third more. And the company that is behind has a move to make.

· 4 min read

I analyzed

Healthcare · United States

Case study

Five companies already decided Xarelto's future in Medicare, and nobody has seen it

That is $2.29 billion a year. The 2027 formularies were filed by June 1 and have not been published.

· 9 min read

Case study

Xarelto paid doctors twice what Eliquis did, and sells a quarter as much

Then, in October 2024, it stopped visiting them: 6,082 meals in September, 184 in October, and 53 in all of 2025.

· 10 min read

Case study

The largest health insurer in the United States denied one in three medical bills

It is UnitedHealthcare, in 2022, and the number came from 224,202 of its 51.7 million members.

· 8 min read

Case study

Is the doctor who gets paid the most for Ozempic the one who prescribes it most?

Of the 51,099 who got paid for Ozempic in 2024 and prescribe it, 342 got speaking fees. They prescribe differently, except endocrinologists

· 11 min read

Case study

The loyalty of Ozempic's influencers costs USD 25,000 a year

Novo and Lilly pay hundreds of professionals to talk about their GLP-1s. I followed each one, year by year, in the file that logs them.

· 6 min read

Case study

Who pays your doctor to prescribe you Ozempic

Novo and Lilly disclosed USD 180.2 million in payments to healthcare professionals from 2021 to 2025. Inside are two opposite strategies

· 10 min read

Insurance · Argentina

Case study

Home insurance stalled, and the problem is how it's sold

Home insurance stayed flat while the market grew 6.57%. I asked three insurers for a quote, and none showed a price without my data first.

· 7 min read

Case study

Issuing a policy is not selling it

A lapsed policy already spent the acquisition and left no premium. The regulator measures motor cancellations: 12.76% of stock per quarter

· 10 min read

Case study

The regulator publishes the numbers behind Primo's success story

It chose as its showcase the one line where the state audits every player. The strategist move is missing: turn that number into product.

· 8 min read

Case study

Nubank is late to Argentine insurance. It can still win.

Mercado Pago and Ualá already play. The wedge is phone insurance without punishment, and Nubank already built it in Brazil

· 8 min read

Case study

The premium that never arrives

Not all arrears are equal: the ones the process itself manufactures are the cheapest to recover and the most expensive to ignore

· 10 min read

I built

ProductShipped

Insurance Advisor Bot

Insurers' bots handle policies, but they don't sell. I built the one that owns the stage nobody advises in the chat

· TypeScript · Hono +5

ProductShipped

Parcialito

What if grading an exam didn't cost you your afternoon? I built the simulator that solves it, for my own students

· Next.js · TypeScript +4