ST266: a secretome of hundreds of healing proteins First infant dosed in NEC trial - Nov 2024 $51M Series E completed - April 2025 DSMB recommends NEC trial continue, unchanged - March 2026 MIT's Robert Langer sits on the board Born as Stemnion in 2000, reborn as Noveome ST266: a secretome of hundreds of healing proteins First infant dosed in NEC trial - Nov 2024 $51M Series E completed - April 2025 DSMB recommends NEC trial continue, unchanged - March 2026 MIT's Robert Langer sits on the board Born as Stemnion in 2000, reborn as Noveome
Pittsburgh, PA · Clinical-Stage Biopharma

Noveome Biotherapeutics

It doesn't transplant cells. It bottles what they whisper - and is now testing that whisper on the most fragile patients medicine has.

FOUNDED 2000 ~30 EMPLOYEES SERIES E ST266 PLATFORM
Who they are now

In a Pittsburgh lab, a drug that is really hundreds of drugs at once

Somewhere in a NICU, a premature baby weighs less than a bag of sugar. Her gut is failing - tissue dying faster than it can heal, a disease called necrotizing enterocolitis that surgeons can cut but rarely cure. A few hundred miles of supply chain away, in an office park off Alpha Drive, a 30-person company is manufacturing a clear fluid it believes can speak to that gut in its own language.

That fluid is ST266. It is not a single molecule with a single target, which is the entire pharmaceutical industry's preferred way of doing business. It is a secretome - the full collection of proteins and factors that a particular population of amnion-derived cells naturally pumps out. Noveome harvests the conversation, not the speaker.

"ST266 is a first-of-its-kind, multi-targeted secretome containing hundreds of biologically active proteins and other factors crucial to neuroprotection, the modulation of inflammation, cell recovery and healing."Noveome Biotherapeutics

This is a strange bet to make in 2026. Drug development rewards specificity - one target, one mechanism, one tidy story for regulators. Noveome decided the tidy story was the problem.

The problem they saw

Inflammation rarely picks just one fight

Here is the inconvenient biology: the conditions that wreck the most lives - a dying infant gut, a brain after trauma, an eye losing its nerve, skin that won't close - are not caused by one rogue protein. They are cascades. Inflammation, cell death, and failed repair feed each other in a loop.

Aim a single-target drug at a cascade and you are bringing a key to a flood. It may fit a lock perfectly. The water does not care.

"Aim a single-target drug at a cascade and you are bringing a key to a flood. It may fit a lock perfectly. The water does not care."The case for a multi-targeted biologic

Noveome's founders noticed something the body already knew. During development, the amnion - the protective sac around a fetus - is a remarkably anti-inflammatory, pro-healing environment. The cells there secrete a coordinated mix of signals. Evolution, in other words, had already solved the multi-target problem. Nobody had thought to simply collect the answer and put it in a vial.

The founders' bet

From "Stemnion" to Noveome - the rebrand was a confession

The company was founded in 2000 as Stemnion, Inc. The name told you what everyone assumed back then: the future was stem cells, and value lived in the cells themselves. For years that was the working theory.

Then the data nudged in a different direction. The therapeutic punch wasn't coming from transplanting cells - it was coming from what those cells secreted. So the company did the rare and slightly embarrassing thing a biotech can do: it admitted its original premise was incomplete, and renamed itself around the new one. Stemnion became Noveome. The cell stopped being the product. The secretome became it.

"The cell stopped being the product. The secretome became it."On the Stemnion-to-Noveome pivot

Backing that bet now is a board that does not look like a long shot. It includes Robert S. Langer of MIT - among the most cited engineers alive and a serial founder of companies that turned biology into medicine. When Langer lends his name to a secretome, the idea has graduated from interesting to investable.

2000
Founded (as Stemnion)
100s
Proteins in ST266
4
Disease frontiers
$51M
Series E (2025)

Four numbers, one thesis: a quarter-century-old company still acting like its best chapter is the next one.

The product

One biologic, taught to travel

ST266 has three jobs it does at once: calm inflammation, protect nerve cells, and help damaged tissue recover. What makes it unusually flexible is that Noveome can deliver it several ways depending on the wound - topically onto skin, intranasally toward the brain, or parenterally into the bloodstream. Same drug, different door.

LEAD PROGRAM

ST266 for NEC

A Phase 1-2 trial in premature infants with necrotizing enterocolitis - the program everything else now orbits. First baby treated November 2024.

PIPELINE

Ophthalmology

Ocular indications where the eye's nerves and tissue need both protection and an anti-inflammatory nudge.

PIPELINE

Neurology

Neuroprotective applications explored across neurodegeneration and traumatic brain injury - delivered intranasally toward the brain.

PIPELINE

Dermatology

Wound healing and skin repair, applied topically where damaged tissue struggles to close.

A platform that refuses to specialize is either undisciplined or onto something. Noveome is spending a clinical trial to find out which.

Milestones

How a vial of signals reached a NICU

2000

Founded as Stemnion, Inc.

A Pittsburgh startup built on the promise of amnion-derived cells.

2020 · May

$4M Pennsylvania grant

The Commonwealth backs the research with non-dilutive funding.

2023 · Aug

First close of Series E

$40 million toward the round, earmarked for the NEC program.

2023 · Dec

FDA says proceed

Notification to begin the Phase 1-2 NEC clinical trial.

2024 · Nov

First baby treated

An infant completes 10 days of ST266; the infusion is well tolerated, no adverse reactions.

2025 · Apr

$51M Series E completed

The round closes, funding the clinical push in NEC.

2026 · Mar

DSMB: keep going

Independent safety board reviews Cohort 1, finds no safety concerns, recommends the trial continue unchanged.

The proof

What the money and the data actually say

Conviction is cheap in biotech. Capital and clean safety reviews are not. Noveome has both - a $51 million Series E from investors including MAK Capital, Lancet Capital, and Miraki Innovation, plus a Data Safety Monitoring Board that looked at the first cohort of treated infants and told the company to keep going.

Where the dollars came from

SELECTED DISCLOSED FUNDING · USD
Series E (2025)
$51M
Series E 1st close
$40M
PA state grant
Bars scaled to the $51M Series E. First close is the initial tranche of that same round; the $4M Pennsylvania grant is non-dilutive. Figures from public announcements.
"An independent safety board reviewed the babies' data and recommended the trial continue without modifications. In a NICU, 'unchanged' is a quiet kind of triumph."On the March 2026 DSMB review

The NEC trial is designed to enroll roughly 36 infants - about two-thirds receiving ST266 on top of standard care, the rest receiving standard care alone. It is small, deliberate, and aimed at one of neonatology's hardest problems. That is exactly the kind of trial where a multi-target biologic gets to prove it is more than a clever idea.

The mission

Mobilizing the wisdom to heal

Noveome's framing is unusually humble for a drug company. It doesn't claim to invent healing. It claims to mobilize a wisdom the body already carries - the coordinated repair signals present at the very start of a life - and point them at conditions where that repair has broken down.

There's a civic streak, too. The team is openly invested in turning Pittsburgh into a serious biotech hub, working alongside the region's hospitals and research institutions. A company treating the smallest patients in the city, trying to grow the city around it.

"Passionate about helping the Pittsburgh region grow into the world's next great nexus for biotechnology."Noveome Biotherapeutics
Why it matters tomorrow

If the whisper works, it scales

The reason a NEC trial matters far beyond NEC is the platform underneath it. If a secretome can safely calm a cascade in the most fragile patients imaginable, the same logic extends to the eye, the brain, and the skin - anywhere inflammation, cell death, and failed repair run together. One manufacturing process, many indications. That is the dream Noveome is underwriting one cohort at a time.

It is also why skepticism is fair. Multi-target biologics are hard to characterize, hard to regulate, and hard to explain in a single sentence to a regulator who likes single sentences. Noveome has bet a quarter-century and $51 million that the biology is worth the difficulty.

"One manufacturing process, many indications. That is the dream Noveome is underwriting one cohort at a time."The platform thesis

Back in that NICU, the baby who weighs less than a bag of sugar is still the whole point. For years, the standard of care for her failing gut was to wait, support, and operate - and hope. Noveome is trying to add one option to that list: a vial of signals, drawn from the beginning of life, delivered drop by careful drop, while an independent board watches and so far keeps saying the same quiet word. Continue.

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Profile compiled from public sources including noveome.com, company press releases, Nature, Crunchbase, and PitchBook. Funding and trial figures are as publicly disclosed and may be approximate. Leadership and founder history reflect different periods of the company's life.