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Adverum Biotechnologies

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uuid0002wff

Namestring
Adverum Biotechnologies
Legal namestring
Adverum Biotechnologies, Inc.
Websiteurl
adverum.com
Company typeenum
Public
Founded yearint
2006
Descriptiontext

Adverum Biotechnologies was a clinical-stage gene therapy company headquartered in Redwood City, California, founded in 2006 and acquired by Eli Lilly and Company in December 2025. The company developed ixoberogene soroparvovec (Ixo-vec), an investigational gene therapy for wet age-related macular degeneration (wet AMD) that uses Adverum's proprietary AAV.7m8 adeno-associated virus vector capsid to deliver a codon-optimized aflibercept coding sequence to retinal cells via a single intravitreal injection, transforming those cells into biofactories that continuously produce anti-VEGF protein. The AAV.7m8 capsid includes a 10-amino acid peptide loop engineered to cross the inner limiting membrane and transduce retinal cells with approximately 5-fold greater efficiency than natural AAV2, with manufacturing conducted via the Baculovirus Expression Vector System (BEVS).

Ixo-vec was designed to address a primary unmet need in wet AMD: the burden of lifelong anti-VEGF injections every 4–8 weeks, which leads to missed appointments and progressive vision loss in up to 42% of patients within 2–3 years. In Phase 2 trials (OPTIC and LUNA), Ixo-vec demonstrated 81–94% reductions in annualized anti-VEGF injection burden sustained through 4 years, stable aflibercept protein levels out to 5 years, and 93% patient preference over prior anti-VEGF therapy at the pivotal dose. The company advanced Ixo-vec into ARTEMIS, the first-ever registrational intravitreal gene therapy Phase 3 trial, in March 2025.

Commercially, Adverum was pre-revenue with no approved products. Its go-to-market motion was being built around enterprise field sales targeting the approximately 2,000–3,000 US retina specialists who treat wet AMD, supported by FDA Fast Track and RMAT designations, EMA PRIME designation, and UK MHRA Innovation Passport. Following Eli Lilly's December 2025 acquisition, the business operates as a wholly-owned subsidiary of Lilly with future commercial distribution expected to leverage Lilly's global pharmaceutical infrastructure.

Short descriptiontext

Adverum Biotechnologies was a clinical-stage gene therapy company developing Ixo-vec, a one-time intravitreal AAV.7m8 gene therapy for wet AMD that delivers sustained aflibercept expression, acquired by Eli Lilly in December 2025.

Operating statusenum
Acquired
Ownership categoryenum
Headcount rangeband
101–250
akta.pro rankint
HeadquartersMenlo Park, United States
HQ citystring
Menlo Park
HQ countrystring
United States
HQ regionstring
North America
Markets served

Serves global market

Offices1 record

Each record includes

City, Country, Type, Description, Source

Keyword5 values
ocular gene therapy, wet AMD treatment, adeno-associated virus, intravitreal delivery, anti-VEGF therapy
Industry2 codes
1Ophthalmology Gene Therapies
CodeHLAAACAGPrimaryYes
2Gene Therapy Delivery Devices & Administration Systems (catheters, intrathecal, ocular delivery)
CodeHLAAACALPrimaryNo
NAICS code2 codes
  • Biological Product (except Diagnostic) Manufacturing325414
  • Research and Development in Biotechnology (except Nanobiotechnology)541714
SIC code2 codes
  • Biological Products, (No Disgnostic Substances)2836
  • Pharmaceutical Preparations2834
Product category
Ocular Gene Therapy
Social media profiles1 record
GTM motion1 record

Each record includes

Type, Description, Source

Revenue model2 records
1Ixo-vec Commercialization (Future)
TypeOne Time License
Description

Pre-revenue clinical-stage company. Once Ixo-vec receives regulatory approval, revenue will be generated through product sales of the one-time intravitreal gene therapy for wet AMD. Market projections suggest gene therapies for wet AMD could exceed the current ~$10 billion global anti-VEGF market, with pricing scenarios ranging from $60,000 to $350,000 per patient.

adverum.com
2Eli Lilly Acquisition
TypeLicensing Royalties
Description

Company was acquired by Eli Lilly in December 2025 for approximately $74-262 million (including contingent value rights up to $12.47 per share). The acquisition provides Eli Lilly with Ixo-vec and Adverum's gene therapy platform for ocular diseases.

foleyhoag.com
Marketing channels5 records

Each record includes

Title, Type, Stage, Description, Source

Distribution channels2 records

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components3 values
Technology or R&D, Personnel, Operations
GTM typeB2B
B2B
Offering typeHardware or Manufacturing
Hardware or Manufacturing
Core offering1 text field

Adverum Biotechnologies develops a single clinical-stage gene therapy product candidate, Ixo-vec (ixoberogene soroparvovec, ADVM-022), for wet age-related macular degeneration. Ixo-vec uses the proprietary AAV.7m8 vector platform to deliver a one-time intravitreal injection that transforms retinal cells into biofactories producing continuous therapeutic doses of aflibercept, an established anti-VEGF protein, aiming to replace the current standard-of-care regimen of frequent (every 4-8 weeks) eye injections with a single long-acting treatment.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 7 values shown
  • 81-94% reduction in annualized anti-VEGF injection burden in Phase 2 trials through 4 years
+6 more records
Product overview1 text field

Adverum Biotechnologies is a clinical-stage company developing a single gene therapy product, Ixo-vec (ixoberogene soroparvovec), for wet age-related macular degeneration. The product utilizes the company's proprietary AAV.7m8 vector platform to deliver a one-time intravitreal injection that transforms retinal cells into biofactories producing continuous aflibercept, potentially replacing the current standard of care requiring frequent eye injections.

Product and service1 record
1Ixo-vec (ixoberogene soroparvovec, ADVM-022)
CategoryOcular gene therapy / biopharmaceutical product candidate
Description

A clinical-stage gene therapy candidate for wet age-related macular degeneration (wet AMD) that uses a proprietary AAV.7m8 vector capsid carrying an aflibercept coding sequence to enable retinal cells to continuously produce anti-VEGF protein from a single intravitreal injection, intended to replace frequent chronic anti-VEGF injections.

Scale indicator6 records

Each record includes

Type, Value, Description, Source

Partnership1 partner
Strategic tierFlagshipTypeStrategic or Co-development PartnerAnnounced on2025-10-24
Description

Eli Lilly acquired Adverum Biotechnologies in October 2025 for up to $12.47 per share ($3.56 cash + CVRs up to $8.91). The acquisition gives Lilly Ixo-vec, a Phase 3 gene therapy for wet AMD, and Adverum's proprietary intravitreal AAV gene therapy platform. Transaction completed December 9, 2025. Lilly also provided a $65 million secured loan facility to support clinical development pending closing.

Recent move6 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight6 records

Each record includes

Type, Description

Peers10 records
TypeDirect peer
Description

Clinical-stage gene therapy company developing RGX-314, an AAV-based gene therapy for wet AMD, using sub-retinal delivery. Direct competitor to Ixo-vec in the ocular AAV gene therapy space with overlapping patient population and target customers (retina specialists).

TypeDirect peer
Description

AAV gene therapy company with proprietary intravitreal vector platforms and ophthalmology pipeline targeting wet AMD and other retinal diseases. Closely comparable to Adverum in capsid engineering approach and intravitreal delivery modality.

TypeBroad incumbent
Description

Roche subsidiary that developed and commercialized Luxturna, the first FDA-approved gene therapy for an inherited retinal disease. Closest precedent for ocular gene therapy commercialization, regulatory navigation, and pricing dynamics relevant to Ixo-vec.

TypeDirect peer
Description

Clinical-stage gene therapy company with active ocular programs including treatments for wet AMD and inherited retinal diseases. Comparable in targeting the retina specialist channel and using AAV-based delivery approaches.

TypeBroad incumbent
Description

Acquired by Novartis in 2021; developed GT005, an AAV-based gene therapy for geographic atrophy. Operates in the same retinal disease gene therapy space and was acquired by a major pharma, paralleling Adverum's exit trajectory.

TypeBroad incumbent
Description

Markets Lucentis (ranibizumab) and Vabysmo (faricimab), established anti-VEGF therapies for wet AMD. Represents the incumbent standard of care against which Ixo-vec's clinical differentiation and pricing premium must compete.

TypeBroad incumbent
Description

Markets Eylea (aflibercept) and high-dose Eylea HD, the dominant anti-VEGF therapies for wet AMD that Ixo-vec directly aims to displace. Owns the comparator arm in the ARTEMIS Phase 3 trial.

TypeBroad incumbent
Description

Commercial-stage gene therapy company with FDA-approved products (e.g., Roctavian for hemophilia A). Provides a benchmark for AAV gene therapy manufacturing scale-up, regulatory navigation, and payer access strategy relevant to Ixo-vec's commercial trajectory.

TypeEmerging player
Description

Commercial-stage gene therapy company with proprietary AAV platform and FDA-approved Vyjuvek. Relevant comparator for AAV gene therapy commercial scaling, durable expression claims, and specialty distribution models.

TypeOthers
Description

CRISPR-based gene editing company that has partnered with Adverum for delivery technologies. Adjacent player in the broader gene therapy ecosystem and a partner rather than direct competitor.

Market position
Strengths4 records

Each record includes

Headline, Details, Source

Weaknesses4 records

Each record includes

Headline, Details, Source

Competitive moat6 records

Each record includes

Type, Details

Key risks5 records

Each record includes

Headline, Details, Source

Key highlights6 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Named customers1 record

Each record includes

Name, Industry, Type, Use case, Source, UUID

Segment3 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile1 record

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
Yes
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature4 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles8 records

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

No data
No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds9 records

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors15 records

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Adverum Biotechnologies

Ocular Gene Therapyadverum.com

Adverum Biotechnologies was a clinical-stage gene therapy company developing Ixo-vec, a one-time intravitreal AAV.7m8 gene therapy for wet AMD that delivers sustained aflibercept expression, acquired by Eli Lilly in December 2025.

What Adverum Biotechnologies does

Adverum Biotechnologies was a clinical-stage gene therapy company headquartered in Redwood City, California, founded in 2006 and acquired by Eli Lilly and Company in December 2025. The company developed ixoberogene soroparvovec (Ixo-vec), an investigational gene therapy for wet age-related macular degeneration (wet AMD) that uses Adverum's proprietary AAV.7m8 adeno-associated virus vector capsid to deliver a codon-optimized aflibercept coding sequence to retinal cells via a single intravitreal injection, transforming those cells into biofactories that continuously produce anti-VEGF protein. The AAV.7m8 capsid includes a 10-amino acid peptide loop engineered to cross the inner limiting membrane and transduce retinal cells with approximately 5-fold greater efficiency than natural AAV2, with manufacturing conducted via the Baculovirus Expression Vector System (BEVS).

Ixo-vec was designed to address a primary unmet need in wet AMD: the burden of lifelong anti-VEGF injections every 4–8 weeks, which leads to missed appointments and progressive vision loss in up to 42% of patients within 2–3 years. In Phase 2 trials (OPTIC and LUNA), Ixo-vec demonstrated 81–94% reductions in annualized anti-VEGF injection burden sustained through 4 years, stable aflibercept protein levels out to 5 years, and 93% patient preference over prior anti-VEGF therapy at the pivotal dose. The company advanced Ixo-vec into ARTEMIS, the first-ever registrational intravitreal gene therapy Phase 3 trial, in March 2025.

Commercially, Adverum was pre-revenue with no approved products. Its go-to-market motion was being built around enterprise field sales targeting the approximately 2,000–3,000 US retina specialists who treat wet AMD, supported by FDA Fast Track and RMAT designations, EMA PRIME designation, and UK MHRA Innovation Passport. Following Eli Lilly's December 2025 acquisition, the business operates as a wholly-owned subsidiary of Lilly with future commercial distribution expected to leverage Lilly's global pharmaceutical infrastructure.

Adverum Biotechnologies firmographics

Firmographics
Name
Adverum Biotechnologies
Legal name
Adverum Biotechnologies, Inc.
Website
https://adverum.com
Company type
Public
Founded year
2006
Operating status
Acquired
Headcount range
101–250 employees
Short description
Adverum Biotechnologies was a clinical-stage gene therapy company developing Ixo-vec, a one-time intravitreal AAV.7m8 gene therapy for wet AMD that delivers sustained aflibercept expression, acquired by Eli Lilly in December 2025.
Ownership category
akta.pro rank

Adverum Biotechnologies industry classification

Industry
Product category
Ocular Gene Therapy
NAICS
Biological Product (except Diagnostic) Manufacturing (325414), Research and Development in Biotechnology (except Nanobiotechnology) (541714)
SIC
Biological Products, (No Disgnostic Substances) (2836), Pharmaceutical Preparations (2834)
akta.pro primary industry
Ophthalmology Gene Therapies (HLAAACAG)
akta.pro secondary industry
Gene Therapy Delivery Devices & Administration Systems (catheters, intrathecal, ocular delivery) (HLAAACAL)

Keywords

  • Ocular gene therapy
  • Wet AMD treatment
  • Adeno-associated virus
  • Intravitreal delivery
  • Anti-VEGF therapy

Where Adverum Biotechnologies is headquartered

Location

Headquarters

HQ city
Menlo Park
HQ country
United States
HQ region
North America

Offices1 record

Markets served

Adverum Biotechnologies business model

Business model
GTM type
B2B
Offering type
Hardware or Manufacturing
Cost components
Technology or R&D, Personnel, Operations

Revenue model

  1. Ixo-vec Commercialization (Future): Pre-revenue clinical-stage company. Once Ixo-vec receives regulatory approval, revenue will be generated through product sales of the one-time intravitreal gene therapy for wet AMD. Market projections suggest gene therapies for wet AMD could exceed the current ~$10 billion global anti-VEGF market, with pricing scenarios ranging from $60,000 to $350,000 per patient.
  2. Eli Lilly Acquisition: Company was acquired by Eli Lilly in December 2025 for approximately $74-262 million (including contingent value rights up to $12.47 per share). The acquisition provides Eli Lilly with Ixo-vec and Adverum's gene therapy platform for ocular diseases.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Adverum Biotechnologies product offering

Product offering

Core offering

Adverum Biotechnologies develops a single clinical-stage gene therapy product candidate, Ixo-vec (ixoberogene soroparvovec, ADVM-022), for wet age-related macular degeneration. Ixo-vec uses the proprietary AAV.7m8 vector platform to deliver a one-time intravitreal injection that transforms retinal cells into biofactories producing continuous therapeutic doses of aflibercept, an established anti-VEGF protein, aiming to replace the current standard-of-care regimen of frequent (every 4-8 weeks) eye injections with a single long-acting treatment.

Product overview

Adverum Biotechnologies is a clinical-stage company developing a single gene therapy product, Ixo-vec (ixoberogene soroparvovec), for wet age-related macular degeneration. The product utilizes the company's proprietary AAV.7m8 vector platform to deliver a one-time intravitreal injection that transforms retinal cells into biofactories producing continuous aflibercept, potentially replacing the current standard of care requiring frequent eye injections.

Differentiator

Problem solved

Functional benefit

Products and services

  • Ixo-vec (ixoberogene soroparvovec, ADVM-022) A clinical-stage gene therapy candidate for wet age-related macular degeneration (wet AMD) that uses a proprietary AAV.7m8 vector capsid carrying an aflibercept coding sequence to enable retinal cells to continuously produce anti-VEGF protein from a single intravitreal injection, intended to replace frequent chronic anti-VEGF injections.

Quantifiable outcome

  • 81-94% reduction in annualized anti-VEGF injection burden in Phase 2 trials through 4 years
  • +6 more outcomes

Companies that use Adverum Biotechnologies

Customer profile

Named customers1 record

Segments3 records

Ideal customer profiles1 record

Adverum Biotechnologies technology and API

Technology

Technology focussed Yes

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature4 records

Adverum Biotechnologies partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

  • Eli Lilly and CompanyflagshipStrategic or Co-development Partner · 24 October 2025Eli Lilly acquired Adverum Biotechnologies in October 2025 for up to $12.47 per share ($3.56 cash + CVRs up to $8.91). The acquisition gives Lilly Ixo-vec, a Phase 3 gene therapy for wet AMD, and Adverum's proprietary intravitreal AAV gene therapy platform. Transaction completed December 9, 2025. Lilly also provided a $65 million secured loan facility to support clinical development pending closing.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Adverum Biotechnologies competitors and assessment

Company assessment

Direct peers

  • Regenxbio: Clinical-stage gene therapy company developing RGX-314, an AAV-based gene therapy for wet AMD, using sub-retinal delivery. Direct competitor to Ixo-vec in the ocular AAV gene therapy space with overlapping patient population and target customers (retina specialists).
  • 4D Molecular Therapeutics: AAV gene therapy company with proprietary intravitreal vector platforms and ophthalmology pipeline targeting wet AMD and other retinal diseases. Closely comparable to Adverum in capsid engineering approach and intravitreal delivery modality.
  • MeiraGTx: Clinical-stage gene therapy company with active ocular programs including treatments for wet AMD and inherited retinal diseases. Comparable in targeting the retina specialist channel and using AAV-based delivery approaches.

Broad incumbents

  • Spark Therapeutics (Roche): Roche subsidiary that developed and commercialized Luxturna, the first FDA-approved gene therapy for an inherited retinal disease. Closest precedent for ocular gene therapy commercialization, regulatory navigation, and pricing dynamics relevant to Ixo-vec.
  • Gyroscope Therapeutics (Novartis): Acquired by Novartis in 2021; developed GT005, an AAV-based gene therapy for geographic atrophy. Operates in the same retinal disease gene therapy space and was acquired by a major pharma, paralleling Adverum's exit trajectory.
  • Genentech (Roche): Markets Lucentis (ranibizumab) and Vabysmo (faricimab), established anti-VEGF therapies for wet AMD. Represents the incumbent standard of care against which Ixo-vec's clinical differentiation and pricing premium must compete.
  • Regeneron Pharmaceuticals: Markets Eylea (aflibercept) and high-dose Eylea HD, the dominant anti-VEGF therapies for wet AMD that Ixo-vec directly aims to displace. Owns the comparator arm in the ARTEMIS Phase 3 trial.
  • BioMarin Pharmaceutical: Commercial-stage gene therapy company with FDA-approved products (e.g., Roctavian for hemophilia A). Provides a benchmark for AAV gene therapy manufacturing scale-up, regulatory navigation, and payer access strategy relevant to Ixo-vec's commercial trajectory.

Emerging players

  • Krystal Biotech: Commercial-stage gene therapy company with proprietary AAV platform and FDA-approved Vyjuvek. Relevant comparator for AAV gene therapy commercial scaling, durable expression claims, and specialty distribution models.

Others

  • Editas Medicine: CRISPR-based gene editing company that has partnered with Adverum for delivery technologies. Adjacent player in the broader gene therapy ecosystem and a partner rather than direct competitor.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

Adverum Biotechnologies social profiles

Digital presence

Adverum Biotechnologies financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Adverum Biotechnologies leadership team

Management profile

Number of profiles

Profiles8 records

Adverum Biotechnologies funding detail

Funding detail

Funding overview

Funding rounds9 records

Investors15 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Adverum Biotechnologies M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Adverum Biotechnologies

What does Adverum Biotechnologies do?

Adverum Biotechnologies develops a single clinical-stage gene therapy product candidate, Ixo-vec (ixoberogene soroparvovec, ADVM-022), for wet age-related macular degeneration. Ixo-vec uses the proprietary AAV.7m8 vector platform to deliver a one-time intravitreal injection that transforms retinal cells into biofactories producing continuous therapeutic doses of aflibercept, an established anti-VEGF protein, aiming to replace the current standard-of-care regimen of frequent (every 4-8 weeks) eye injections with a single long-acting treatment.

Is Adverum Biotechnologies a public or private company?

Adverum Biotechnologies is a public company. It is classified as corporate owned and is currently acquired.

When was Adverum Biotechnologies founded?

Adverum Biotechnologies was founded in 2006. It employs 101 to 250 people.

Where is Adverum Biotechnologies based?

Adverum Biotechnologies is headquartered in Menlo Park, United States, in the North America region.

How does Adverum Biotechnologies make money?

Two revenue lines are on record. Ixo-vec Commercialization (Future) is the primary driver. The others are eli Lilly Acquisition.

Who are Adverum Biotechnologies's main competitors?

Direct peers on record are Regenxbio, 4D Molecular Therapeutics and MeiraGTx. Broad incumbents are Spark Therapeutics (Roche), Gyroscope Therapeutics (Novartis), Genentech (Roche), Regeneron Pharmaceuticals and BioMarin Pharmaceutical. Krystal Biotech is listed as an emerging player. Editas Medicine is listed as an others.

Does Adverum Biotechnologies have an API?

No public API is recorded for Adverum Biotechnologies.

What industry is Adverum Biotechnologies in?

Adverum Biotechnologies's product category is Ocular Gene Therapy. Its primary akta.pro industry code is HLAAACAG, Ophthalmology Gene Therapies, with a secondary code of HLAAACAL, Gene Therapy Delivery Devices & Administration Systems (catheters, intrathecal, ocular delivery). Its NAICS code is 325414 and its SIC code is 2836.

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Live signals
Ophthalmology TimesEli Lilly to acquire Adverum BiotechnologiesEli Lilly and Company has agreed to acquire Adverum Biotechnologies in a deal valued at up to $12.47 per share, combining cash and contingent value rights. The acquisition includes Adverum’s lead candidate Ixo-vec, a gene therapy for wet age-related macular degeneration currently in Phase 3 trials. The transaction was unanimously approved by both boards and is expected to close in the fourth quarter of 2025.PR NewswireWet AMD Market Set for Robust Growth Through 2036, Driven by Advancements in Anti-VEGF Therapies | DelveInsightDelveInsight published its Wet AMD Market Insights report projecting market growth from 2022 to 2036 in the 7 major markets, driven by advancements in anti-VEGF therapies and gene therapies, with the United States holding the largest market share and approximately 72 million total AMD cases in the 7MM in 2025. Key pipeline developments include Adverum Biotechnologies advancing Ixo-vec into Phase III trials with FDA Fast Track designation, Regenxbio/AbbVie completing Phase II pivotal trials for RGX-314, and Outlook Therapeutics disclosing FDA rejection of its bevacizumab (LYTENAVA) biologics license application for wet-AMD. Emerging therapies such as gene and stem cell treatments offer potential one-time alternatives to repeated anti-VEGF injections, though concerns around long-term effectiveness and high costs remain.PR NewswireWet AMD Market Set for Robust Growth Through 2036, Driven by Advancements in Anti-VEGF Therapies | DelveInsightThe wet AMD treatment market is projected to grow through 2036, with the US leading in 2025. The market is driven by an aging population and emerging gene therapies like Ixo-vec and RGX-314. These therapies aim to reduce injection burden and transform long-term management.Ophthalmology TimesThe gene therapy shiftThree investigational gene therapy candidates for neovascular age-related macular degeneration (nAMD) have advanced to phase 3 clinical trials: 4D-150 (4D Molecular Therapeutics), ADVM-022 (Adverum Biotechnologies), and ABBV-RGX-314 (REGENXBIO/AbbVie). These therapies use viral vectors to transduce retinal cells to continuously produce anti-VEGF proteins, potentially eliminating the need for frequent intravitreal injections. Clinical data from phase 1/2 trials spanning up to 4 years show acceptable tolerability and sustained treatment effects, with phase 3 programs currently enrolling patients at hundreds of sites globally.InsideprecisionmedicineRiding the Gene Therapy Rollercoaster Into 2026The gene therapy sector faced significant headwinds in 2025, with the XBI biotech index hitting a pre-COVID low of $66 in April, approximately $9.5 billion in NIH research funding cuts, roughly 20,000 redundancies at the FDA, CDC, and NIH, and multiple patient deaths linked to AAV-based therapies causing major companies including Pfizer, Biogen, Roche, and Vertex to discontinue or dramatically reduce their gene therapy pipelines. Despite these challenges, the sector showed signs of recovery toward year-end with substantial funding rounds including Kriya Therapeutics' $320 million Series D, pharma licensing activity such as Eli Lilly's acquisitions of Adverum and MeiraGTx gene therapy assets, and the launch of new companies including Aradigm, a financing platform for cell and gene therapies. Industry experts and investors remain cautiously optimistic heading into 2026 as new vectors, gene editing technologies, and next-generation therapies advance through clinical development.Investing.comSoparkar Peter, Adverum Biotechnologies COO, buys $211k in shares By Investing.comAdverum Biotechnologies Chief Operating Officer Peter Soparkar purchased 50,000 shares of company stock on December 5, 2025, at a weighted-average price of $4.22 per share, totaling $211,000, according to a Form 4 filing with the SEC. The insider purchase comes as Eli Lilly proceeds with its acquisition of Adverum, offering $3.56 per share plus a contingent value right worth up to $8.91, with a tender offer deadline set for December 8, 2025. Analyst reactions to the acquisition have been mixed, with H.C. Wainwright and Chardan downgrading to Neutral while Mizuho maintained an Outperform rating.Investing.comAdverum biotechnologies CEO Fischer buys shares worth $553916 By Investing.comAdverum Biotechnologies CEO Laurent Fischer purchased 128,699 shares of the company for approximately $553,916 in early December 2025, following a pattern of open-market purchases under transaction code "P." The company is the subject of an ongoing acquisition offer valued at approximately $75 million, which includes a $3.56 cash payment per share plus a contingent value right of up to $8.91 tied to milestone achievements. Analyst firms have issued varied ratings in response to the acquisition, with H.C. Wainwright and Chardan downgrading to Neutral, Mizuho maintaining Outperform, and RBC Capital adjusting its price target.TradingViewAdverum Biotechnologies Executives Increase Stake in CompanyAdverum Biotechnologies CEO Laurent Fischer purchased 128,699 common shares for $553,916 and COO Peter Soparkar purchased 50,000 shares for $211,000 in separate transactions on December 5 and December 8, 2025. Following the purchases, Fischer's direct ownership increased to 201,513 shares and Soparkar's to 80,189 shares. The insider purchases, made at weighted-average prices between $4.22 and $4.31 per share, represent a vote of confidence in the company by its top executives.PR NewswireLilly and Adverum announce expiration and completion of Adverum tender offer and acquisitionEli Lilly and Company announced the expiration and completion of its tender offer to acquire Adverum Biotechnologies, with approximately 64% of Adverum shares validly tendered as of the December 8, 2025 expiration time. The acquisition is expected to be consummated on December 9, 2025, under the merger agreement dated October 24, 2025, with Lilly paying $3.56 per share plus non-tradable contingent value rights representing up to $8.91 per share in additional potential payments. Lilly stated the acquisition presents an opportunity to expand gene therapy's potential to address age-related conditions including vision loss, with Adverum's gene therapy candidate ixoberogene soroparvovec targeting wet age-related macular degeneration.VenturecapitalEli Lilly Completes Acquisition of Adverum BiotechnologiesEli Lilly has completed its acquisition of Adverum Biotechnologies following a tender offer to purchase all outstanding shares of common stock. The deal included $3.56 per share in cash and one non-tradable contingent value right (CVR) per share, with the transaction expected to advance gene therapy research for age-related conditions, particularly vision loss. The acquisition represents a strategic move to leverage expertise from both companies in genetic medicines.