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Fenetyllin (fenetylline)

unknown active ✓ Verified May 2026

Fenetyllin (generic name: fenetylline) is a fenetylline drug. It is currently in unknown development.

Fenetylline is thought to work by increasing the levels of certain neurotransmitters in the brain.

Fenetylline is a small molecule codrug that acts as a mutual prodrug of amphetamine and theophylline. It has been marketed under various brand names, including Captagon, Biocapton, and Fitton, primarily for use as a psychostimulant.

At a glance

Generic namefenetylline
Drug classfenetylline
Therapeutic areaNeuroscience
Phaseunknown
Annual revenue172

Mechanism of action

Imagine your brain is a city with different neighborhoods, each with its own unique function. Neurotransmitters are like messengers that help different neighborhoods communicate with each other. Fenetylline may help increase the number of these messengers, allowing different neighborhoods to work together more effectively.

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
SEC EDGARRevenue + earnings

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Frequently asked questions about Fenetyllin

What is Fenetyllin?

Fenetyllin (fenetylline) is a fenetylline drug.

How does Fenetyllin work?

Fenetylline is thought to work by increasing the levels of certain neurotransmitters in the brain.

What is the generic name of Fenetyllin?

fenetylline is the generic (nonproprietary) name of Fenetyllin.

What drug class is Fenetyllin in?

Fenetyllin belongs to the fenetylline class. See all fenetylline drugs at /class/fenetylline.

What development phase is Fenetyllin in?

Fenetyllin is in unknown.

What is Fenetyllin's annual revenue?

Fenetyllin generated approximately $0.0B in annual revenue.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing