Encoded Therapeutics

Encoded Therapeutics

Precision gene therapies for pediatric CNS.

Overview

Encoded Therapeutics develops precision gene therapies for pediatric central nervous system disorders, including Dravet syndrome. Its therapies use a unique targeting and regulation platform to deliver genetic payloads to specific brain cell types based on genetic profiles, increasing gene specificity, cell selectivity, and potency. The company aims to distinguish itself by focusing on cell-type–specific brain targeting and safety in pediatric patients to reduce off-target effects and toxicity compared with earlier gene therapies. Its goal is to bring clinically effective treatments to patients and work with healthcare providers to commercialize these therapies.

About Encoded Therapeutics

Simplify's Rating
Why Encoded Therapeutics is rated
C+
Rated B on Competitive Edge
Rated B on Growth Potential
Rated D+ on Differentiation

Industries

Biotechnology

Healthcare

Company Size

51-200

Company Stage

Series D

Total Funding

$239.1M

Headquarters

San Francisco, California

Founded

2014

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What believers are saying

  • May 6, 2026, Encoded dosed the first patient in pivotal ENDEAVOR Part 2.
  • January 12, 2026, FDA granted Breakthrough Therapy designation to ETX101.
  • December 5, 2025, interim data showed no treatment-related serious adverse events across 19 patients.

What critics are saying

  • February 2025 layoffs cut 29% of staff, revealing cash pressure and ETX101 dependence.
  • ENDEAVOR Part 2 enrolls 30 children; one safety signal halts pivotal development.
  • ETX101 failure kills Encoded; ETX201 stays preclinical, leaving no clinical fallback.

What makes Encoded Therapeutics unique

  • ETX101 targets SCN1A in inhibitory interneurons, unlike broad AAV gene replacement.
  • FDA aligned on ETX101 pivotal design March 25, 2026; BLA path defined.
  • Encoded's vector engineering platform extends to Angelman and epilepsy programs.

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Funding

Total Funding

$239.1M

Above

Industry Average

Funded Over

3 Rounds

Notable Investors:
Series D funding is typically for companies that are already well-established but need more funding to continue their growth. This round is often used to stabilize the company or prepare for an IPO.
Series D Funding Comparison
Above Average

Industry standards

$77M
$70M
Twilio
$80M
Handshake
$100M
Affirm
$135M
Encoded Therapeutics

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Parental Leave

Life Insurance

Disability Insurance

Paid Vacation

Paid Sick Leave

Paid Holidays

Professional Development Budget

Wellness Program

Health Savings Account/Flexible Spending Account

Stock Options

Growth & Insights and Company News

Headcount

6 month growth

-9%

1 year growth

-9%

2 year growth

-8%
Business Wire
May 7th, 2024
Encoded Therapeutics Presents Preclinical Data Across Its Gene Therapy Portfolio At The 27Th Annual Meeting Of The American Society Of Gene & Cell Therapy (Asgct)

SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Encoded Therapeutics Inc., a biotechnology company developing genetic medicines for severe central nervous system (CNS) disorders, today highlights oral and poster presentations on the Company’s preclinical gene therapy programs and vector engineering platform at the 27th ASGCT Annual Meeting being held May 7 – 11, 2024 in Baltimore, MD.“ We are thrilled to share multiple advancements across our portfolio of precision genetic medicines, showcasing substantial progress across various fronts. These data underscore our platform’s potential to deliver precision therapies for a range of CNS diseases,” said Stephanie Tagliatela, Chief Scientific Officer at Encoded. “ Alongside clinical advancement of our lead program, ETX101 for SCN1A+ Dravet syndrome, we are poised to nominate multiple programs to development in 2025, marking yet another significant milestone.”Oral PresentationTitle: GABA Selective AAV-mediated Gene Therapy Provides Durable Seizure Protection in Multiple Refractory Epilepsy Models (Abstract #19)Session: AAV Vectors - Preclinical and Proof-of-Concept: Therapy FocusDate & Time: Tuesday, May 7, 1:45–2:00 p.m. ETLocation: Ballroom 2Epilepsy affects approximately 1% of the population, with nearly one third of cases failing to respond to first- and second-line treatments. Encoded’s vector engineering platform has enabled the development of GABA-selective AAV-mediated gene therapies designed to potentiate GABAergic neurotransmission and modulate the circuit dysfunction underlying refractory epilepsies. Our lead candidate reduced seizure incidence and severity in two biologically distinct seizure assays with no adverse impact on body weight, motor function or locomotion

Business Wire
Feb 26th, 2024
Encoded Therapeutics Announces Uk Cta Approval For Dravet Syndrome Gene Therapy Candidate Etx101

SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Encoded Therapeutics Inc., a biotechnology company focused on developing genetic medicines for severe central nervous system (CNS) disorders, today announced the approval of its Clinical Trial Authorisation (CTA) application by the United Kingdom (UK) Medicines and Healthcare products Regulatory Agency (MHRA) for the EXPEDITION Study of ETX101 as a potential treatment for children with SCN1A+ Dravet syndrome. Dravet syndrome is the most common developmental and epileptic encephalopathy and is characterized by a spectrum of clinical symptoms, including treatment-resistant seizures and neurodevelopmental stagnation. The UK CTA for EXPEDITION is part of a global regulatory strategy established by Encoded for clinical development of ETX101, which also includes regulatory clearance for an investigational new drug (IND) application in the United States and approval under the Clinical Trial Approval (CTA) scheme in Australia. “This CTA marks the third regulatory approval for ETX101 as we advance our global clinical development program, POLARIS, to bring this potential one-time AAV gene regulation therapy to people affected by SCN1A+ Dravet syndrome around the world,” said Sal Rico, M.D., Ph.D., Chief Medical Officer of Encoded. “We believe ETX101 has the potential to deliver transformative benefit in multiple disease domains and have designed our clinical program to efficiently assess its impact on affected infants and young children. We are committed to working closely with our highly experienced investigators to expeditiously enroll affected children in an effort to advance therapeutic options for people living with Dravet syndrome.”

Business Wire
Feb 6th, 2024
Encoded Therapeutics Announces Us Ind Clearance And Australian Cta Approval For Dravet Syndrome Gene Therapy Candidate Etx101

SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Encoded Therapeutics Inc., a biotechnology company focused on developing genetic medicines for severe central nervous system (CNS) disorders, today outlined the global development strategy for its lead gene therapy candidate, ETX101, for the treatment of SCN1A+ Dravet syndrome. Individuals with Dravet syndrome, the most common developmental and epileptic encephalopathy, experience a spectrum of clinical symptoms, including treatment-resistant seizures and neurodevelopmental stagnation. Dravet syndrome is primarily caused by loss-of-function variants in the SCN1A gene, accounting for over 85% of cases. ETX101 is an AAV9-mediated candidate gene regulation therapy designed to selectively upregulate expression of the SCN1A gene in GABAergic inhibitory interneurons and potentially address the underlying cause of the disease. ETX101 Global Clinical Development. Encoded has received clearance for its Investigational New Drug (IND) application from the US Food and Drug Administration and approval under the Clinical Trial Approval (CTA) scheme from the Australia Therapeutic Goods Administration to initiate clinical trials of its gene therapy candidate, ETX101

Capitol Broadcasting Co., Inc.
Jan 9th, 2023
Nc’S Life Science Sector Lands $2.1B In Expansions Plus 2,700 Job Commitments In ’22

RESEARCH TIANGLE PARK – Life sciences and related companies from around the world announced new or expanded facilities in 2022 that will bring more than $2.1 billion in investment and over 2,700 new jobs to North Carolina. The investments, along with new or expanded facilities in other sectors, gave North Carolina its best year to date for the number of new jobs created across all industries. Over 28,300 new jobs were announced during the year, according to Gov. Roy Cooper’s office. The record year earned North Carolina several national accolades, including:

Encoded Therapeutics
Jul 20th, 2021
Encoded Therapeutics, Inc. launched DRAVET ENGAGE initiative on Jul 20th 20'.

A little over a year ago, Encoded launched its DRAVET ENGAGE initiative to capture the Dravet syndrome patient community’s experiences and perspectives and to solicit feedback on clinical study protocols and designs, as well as on educational materials.

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