Melissa Barber

Melissa Barber

@mbarber.bsky.social

Health economics, law, global health, and access to medicines. Economist @ MSF-USA but views my own. https://melissajbarber.github.io.

2.6K followers430 following347 posts

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As folks transition over from the other place, I've put together a list of folks tweeting on access to medicines #a2m and pharmaceutical policy. It’s a work in progress, esp as ppl continue to trickle in—please feel free to message me if you know someone who shd be added. go.bsky.app/RUEiXCa

Melissa Barber reposted

1/The National Audit Office is to investigate the cost of the government’s drug pricing deal with Trump, after six committee chairs demanded answers. The BMJ reports it could mean 229,000 excess deaths over a decade, with £45bn diverted from NHS services. www.bmj.com/content/395/...

bmj.comUS-UK drug pricing deal: National Audit Office is to investigate costsPotential cost implications of the drug pricing deal between the US and the UK will be investigated by the UK’s public spending watchdog, the organisation’s leader says. The UK signed a drug trade de...

In Rio for #AIDS2026. Gilead has put up more promo banners than it has allowed people in Brazil to access lenacapavir. It's a grim echo of past AIDS conferences: we celebrate scientific breakthroughs inside a conference center while people outside still can't access the medicines being discussed.

MSF is here continuing to call for Two shots, $40, Everywhere. If you want to learn more about the sorry state of access to long-acting PrEP, please attend our session “Where's my lenacapavir? How to break monopolies and end the HIV epidemic” on Thursday, 12:00-13:00 in room 202.

The peculiar situation of Gilead not selling HIV drugs to MSF has been hard to explain: "Wait, the drug company doesn't want cash money, what am I missing?" is the constant q I get from journalists. Thanks to #tbfighters who are finding ways to explain in sharp (& very funny) ways what's happening.

Celeste Moss@celestevmoss.bsky.social

YEZTUGO (lenacapavir) is a new injectable form of long-acting PrEP that only requires 2 doses per year to prevent HIV infection, and 3 million people are expected to get access to the drug by 2028 via The Global Fund. Sounds great, right? (1/5)

Melissa Barber reposted

YEZTUGO (lenacapavir) is a new injectable form of long-acting PrEP that only requires 2 doses per year to prevent HIV infection, and 3 million people are expected to get access to the drug by 2028 via The Global Fund. Sounds great, right? (1/5)

We dig into market segmentation beyond patents, a worrying trend toward draconian supply chain controls, post-trial access, and why the credible threat of being able to manufacture or purchase non-originator supply is ultimately what gives countries leverage to negotiate prices and licensing terms.

And your semi-regular update: this podcast is being released 113 days after MSF went public with Gilead's refusal to sell lenacapavir to us, at any price. We have clinics ready to use this drug today but can't, because Gilead has said no and currently has complete control over global supply.

I'm not saying revoking strict patentability criteria is bad for your odds of winning the World Cup, and mandating drug price transparency is good for them. But I'm not *not* saying it.

Doctors Without Borders is at NYC Pridefest (4th Ave & 13th St) talking abt our campaign demanding global access to lenacapavir: Two Shots, $40, Everywhere. If you’re at pride, stop by! So far 100 folks have written postcards to Gilead abt why they believe in global access. Let’s get to 1000!

Melissa Barber reposted

Voluntary contributions to the General Fund of WHO in 2025. Gates Foundation - $321,652,415 European Commission - $250,754,314 Gavi, the Vaccine Alliance - $295,771,914 Germany - $140,992,167 United Kingdom - $76,328,886 Canada - $58,089,144 India - $47,325,703 China - $2,960,515 #WHA79 @who.int

Melissa Barber reposted

A major serogroup C meningitis outbreak is unfolding in Chad, amid mass displacement driven by war in Sudan. It deserves far more attention than it is getting. Since Jan more than 1,500 patients have been admitted to isolation units amid meningitis C & measles. www.msf.fr/communiques-...

msf.frTchad : MSF alerte sur une double épidémie de rougeole et de méningite dans l’est du paysAlors que des milliers de personnes fuyant la guerre au Soudan se réfugient dans l’est du Tchad, les équipes de Médecins Sans Frontières (MSF) font face à une double épidémie de rougeole et de méningi...

Melissa Barber reposted

Gilead's battle with Médecins Sans Frontières (MSF) and plans for limited access to #Lenacapavir raise disturbing questions about #ResearchEthics and who a corporation is responsible to. My latest: www.forbes.com/sites/judyst... #ClinicalResearch #AccessToMedicines #Bioethics

forbes.comBreakthrough HIV Drug Is Out Of Reach For Many Who Need It MostLenacapavir, almost 100% effective at preventing HIV, is priced by Gilead at $28,200 and inaccessible to many in low-income countries plagued by the disease.

As a pharma company, you know your position is morally indefensible when even business publications like Forbes are scathing about your refusal to supply HIV drugs to MSF and much of the world, while charging the few you do sell to exorbitant prices. 1/4 www.forbes.com/sites/judyst...

forbes.comBreakthrough HIV Drug Is Out Of Reach For Many Who Need It MostLenacapavir, almost 100% effective at preventing HIV, is priced by Gilead at $28,200 and inaccessible to many in low-income countries plagued by the disease.
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@gregggonsalves.bsky.social: "The policy by Gilead is delay and deflect—it’s disingenuous, manipulative and will cost lives..In the end Gilead sees one audience for what it is doing, its shareholders, & maximizing share prices is more important to them than the lives of people around the world.” 4/4

As a pharma company, you know your position is morally indefensible when even business publications like Forbes are scathing about your refusal to supply HIV drugs to MSF and much of the world, while charging the few you do sell to exorbitant prices. 1/4 www.forbes.com/sites/judyst...

forbes.comBreakthrough HIV Drug Is Out Of Reach For Many Who Need It MostLenacapavir, almost 100% effective at preventing HIV, is priced by Gilead at $28,200 and inaccessible to many in low-income countries plagued by the disease.

Forbes: "If corporations’ sole responsibility is to shareholders, that leads us to the question Ugandan researcher Peter Mugyenyi asked at the 2000 AIDS Conference, “Where are the drugs? The drugs are where the disease is not. And where is the disease? The disease is where the drugs are not.”2/4

Do I know anyone who has recently done a MSc Politics and International Relations at SOAS? Asking for a friend who is looking into the program and has some questions. thank you!

I'll be speaking on goods in transit issues at the Fordham University School of Law IP and Policy Conference this week. Glad to connect with others working on all things pharmaceutical - feel free to reach out.

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"Efforts to deny & distort the scientific evidence of smoking's harms are demonstrated by not only decades of press releases, reports...& scientific symposia & publications, but also by evidence of their concerted efforts to attack & undermine the studies in mainstream scientific publications." 2/5

Melissa Barber reposted

Replying to @asia-ilse.bsky.social

Gilead spends millions on PR to make 2 million doses sound like something other than the pittance it is. 2 million will have virtually no impact, see the green line below >>

Melissa Barber reposted

Replying to @asia-ilse.bsky.social

20 million people need PrEP, and of those many would prefer lenacapavir to oral options. Unless Gilead makes more doses available, access will just remain cruel hype. Already in Eswatini, where HIV prevalence is 25%, clinics are stocked out of lenacapavir because demand is so great >>

Melissa Barber reposted

Melissa Barber reposted

Replying to @mbarber.bsky.social

I've walked thru the economic logic here, but Gilead obviously does not say this out loud. They don't really have a good reason not to sell to MSF, which is why they landed on negotiating supply contracts is "a lot of work" (actual thing they said). 13/ www.doctorswithoutborders.org/latest/preve...

doctorswithoutborders.orgOpen letter to Gilead: Prevention should not be a privilegeMSF calls on Gilead for direct access to lenacapavir, as the current rollout falls far short of the needs.

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.
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Even if Gilead would likely make at least a 100% profit selling to a LIC for $80, it becomes politically incredibly difficult to justify your $28,000 price tag in the US. Here's a clip of the BIO lobby saying just this in a USITC hearing. 12/

I've walked thru the economic logic here, but Gilead obviously does not say this out loud. They don't really have a good reason not to sell to MSF, which is why they landed on negotiating supply contracts is "a lot of work" (actual thing they said). 13/ www.doctorswithoutborders.org/latest/preve...

doctorswithoutborders.orgOpen letter to Gilead: Prevention should not be a privilegeMSF calls on Gilead for direct access to lenacapavir, as the current rollout falls far short of the needs.

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.
View full thread

But you have to think abt a potential sale in terms of their portfolio: a 10,000% markup sounds good, unless your other drugs that are vying for time and space on production lines yield you a 70,000% markup. This is why drug companies outsource manufacturing, engage in licensing deals, etc. 10/

You also have to think about price pressure: HIV is Gilead's core business, and despite the HIV burden not being heaviest in the US, 81% of Gilead's revenue comes from the US alone (bc prices are so high, even if volumes are low.) 11/

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.
View full thread

At this point, I'm taking of my MSF hat and putting on my academic economist hat to step back and try to make sense of this for folks. (Again, to be clear - this is speculation about markets and I do not speak for MSF). Why would a pharma company like Gilead forego a profitable sale? 🤔8/

To understand this, you have to think about opportunity costs. Gilead told us in meetings that they expect prices to fall below the $40/year price generics have offered - this isn't an expensive drug to manufacture. 9/

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.
View full thread

This situation is extra bad because it's not that Gilead isn't interested in markets in the rest of the world - they have filed for patents and signed licenses blocking dozens of countries from accessing future generic supply. 6/

The focus of critiques about pharmaceutical monopolies is generally on PRICE. But this case is a compelling example for problems of SUPPLY: it's not a great world when one company controls global supply of a drug and can just refuse to sell it to people who need it. 7/

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.
View full thread

Here's where things get weird: Gilead is refusing to sell lenacapavir to MSF. In a series of meetings, Gilead communicated that they're just not really interested in selling lenacapavir in most of the world beyond the cap. Depending on estimates, this cap = between 0.5% and 10% of global demand. 4/

I expect at this point you are muttering to yourself, "there must be some rational explanation." We thought so too. Which is why we tried & tried again before going public, in the hope that shame still exists and Gilead can be persuaded to do what pharma companies are supposed to do: sell drugs. 5/

Today, MSF is going public with something we've been fighting behind closed doors for months: Gilead will not sell us their new HIV drug, lenacapavir. The sticking point isn't even price, they just refuse to sell. Open letter linked + explainer 🧵1/ www.doctorswithoutborders.org/latest/gilea...

doctorswithoutborders.orgGilead refuses to sell groundbreaking HIV prevention drug to MSFBlocking humanitarian organizations from accessing a medical breakthrough puts vulnerable people across the world in danger.

Lenacapavir is a twice-yearly, long-acting HIV prevention tool, and represents one of the most promising advances towards ending AIDS. In the rich world, Gilead charges $28k/year for the drug. In the rest of the world, Gilead has capped supply at just 2 million ppl over 3 years. 2/

Here's where MSF comes in. We have a long history of offering HIV treatment and prevention services. We have a long history of buying drugs from Gilead. We were not expecting this to be complicated: they have a drug, we want to buy it, thanks to our donors we have money to pay, etc etc. 3/

“We will only secure our priorities by demonstrating willingness to publicly take support away from Zambia on a massive scale,” a draft of a memo prepared for Secretary of State Marco Rubio by the department’s Africa Bureau staff says. A copy of the memo was obtained by The New York Times.