Noopept: The Peptide-Like Molecule Modeled on Piracetam

Piracetam is a classic brain drug. It is a small molecule, not a peptide. Scientists in Moscow had a bold idea: could they rebuild its shape from amino acids?

They could. The result was noopept. In animal memory tests, it worked at doses about 1,000 times smaller than piracetam's. And in rats, it turns into something the rat brain already makes.

What it is

Noopept was made at a drug research lab in Moscow. The team built it to copy the shape of piracetam. Its name blends two words, nootropic and peptide. A nootropic is something studied for memory and learning.

Amino acids are the building blocks of proteins. Think of them as beads. A peptide is a short string of beads, like a small bracelet. New here? See what a peptide is.

Noopept is built from two beads. They are called proline and glycine. Each end also carries a small chemical add-on, like a charm. That makes noopept peptide-like: two beads with extra parts.

Early papers call it GVS-111. Its official drug name is omberacetam.

What it does in the body

In rats, the body breaks noopept down mainly into a tiny ring. The ring is made of the same two beads.

Here is the twist. The rat brain makes this same ring on its own. Researchers think noopept works partly through the ring and partly by itself.

Much of the research looks at two growth signals, BDNF and NGF. These proteins help nerve cells survive and grow. Think of them as plant food for brain cells.

Lab tests point to another job, too. Noopept seems to fight oxidative stress, a kind of rusting inside cells.

What scientists have found

In cells:

Scientists grew human brain cells in a dish. Then they added a harsh chemical that causes that rusting. Without help, more than 60% of the cells broke down.

With noopept, more of the cells survived. It also slowed the rusting. In the same test, it did better than piracetam and vitamin E.

In animals:

Most noopept research has been done in rats and mice. In these animals, it eased memory loss caused in several ways in the lab. In rats, it helped every step of memory: learning, storing and recalling.

In a 2008 rat study, one dose turned up the genes for BDNF and NGF in the hippocampus. That is a key memory area deep in the brain. An Italian scientist named it in 1587 for its seahorse-like shape.

After 28 days of treatment, the effect in the hippocampus was even stronger. In the brain's outer layer, one dose lowered these genes instead. After 28 days, BDNF there rose a little.

In people:

Most human studies come from Russia. Earlier ones compared it with piracetam in people with mild memory and thinking problems.

A 2022 study looked at 150 adults over 50. They had memory and thinking problems, but not dementia. These were linked to disease of the brain's blood vessels. They were split by chance into three groups of 50.

All kept their usual care. On top of that, one group got noopept for 45 days. The other two groups got other brain drugs.

On a memory and thinking test, the noopept group's average score rose from 19.8 to 23.3. The other groups improved too, but less. In the first days, three people on noopept had headaches. Five had a small rise in blood pressure. None had to stop.

There was no placebo group, a dummy look-alike. The drug's maker sponsored the paper.