Long Term Follow-up Study of AAVAnc80-hOTOF Gene Therapy

2024-512584-31-00 Protocol AK-OTOF-LTFU Phase II and Phase III (Integrated) Ongoing, recruiting

Start 11 Nov 2024 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites · Protocol AK-OTOF-LTFU

Overview

Sponsor-declared trial summary

Phase Phase II and Phase III (Integrated)
Status Ongoing, recruiting
Participants planned 14
Countries 1
Sites 1

Otoferlin gene-mediated hearing loss

To evaluate the long term safety of AAVAnc80-hOTOF, including late-occurring adverse events.

Key facts

Sponsor
Akouos Inc.
Participant type
Pediatric, Patients
Age range
0-17 years, 18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
Trial duration
11 Nov 2024 → ongoing
Decision date (initial)
2024-07-24
Transition trial
No
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
Yes
Funding sources
Akouos Inc.

External identifiers

EU CT number
2024-512584-31-00
ClinicalTrials.gov
NCT06696456

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Efficacy

To evaluate the long term safety of AAVAnc80-hOTOF, including late-occurring adverse events.

Secondary objectives 1

  1. To evaluate the long term efficacy of AAVAnc80-hOTOF

Conditions and MedDRA coding

Otoferlin gene-mediated hearing loss

Study design 1 period

#TitleAllocationBlindingRoles blindedArms
1 Long Term Follow-Up
This is an observational, post-intervention long term follow-up study to evaluate the long term safety and efficacy of AAVAnc80-hOTOF gene therapy in individuals with OTOF-mediated hearing loss who received a single intracochlear administration of AAVAnc80-hOTOF in the AK-OTOF-101 Clinical Trial.
Not Applicable None

Regulatory references

Plan to share IPD
No
EU CT numberTitleSponsor
2023-505128-76-00 A Phase 1/2 Trial of AAVAnc80-hOTOF Gene Therapy in Individuals with Sensorineural Hearing Loss due to Biallelic Otoferlin Gene (OTOF) Mutations Akouos Inc.

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 2

  1. Individuals with OTOF-mediated hearing loss who received an intracochlear administration of AAVAnc80- hOTOF in the AK-OTOF-101 clinical trial (either Part A or Part B).
  2. Legally authorized representative and/or participant willingness to comply with all study requirements, as evidenced by successful completion of the informed consent process or permission and participant assent process (where appropriate).

Exclusion criteria 1

  1. Any condition that would not allow the potential participant to complete follow-up examinations during the course of the study and/or, in the opinion of the Investigator, makes the potential participant unsuitable for the study. Potential participants will not be excluded based on their sex, gender, race, or ethnicity.

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 7

  1. Safety: Incidence and frequency of AEs
  2. Safety: Concomitant Medications
  3. Safety: Clinical labs: chemistries, hematology (CBC with differential), urinalysis
  4. Safety: Physical examination and vital signs
  5. Safety: Otoscopic examination
  6. Safety: Vestibular screening
  7. Safety: Tympanometry

Secondary endpoints 4

  1. Efficacy: Diagnostic ABR testing threshold
  2. Efficacy: Age-appropriate behavioral audiometry
  3. Efficacy: Standard word or speech recognition testing
  4. Efficacy: Standard auditory questionnaires

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

AAVAnc80-hOTOF

PRD10381505 · Product

Active substance
AAVANC80-5HOTOF
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRACOCHLEAR
Max daily dose
810000000000 Other
Max total dose
810000000000 Other
Max treatment duration
1 Day(s)
Authorisation status
Not Authorised
MA holder
AKOUOS, INC.
Paediatric formulation
No
Orphan designation
Yes
Orphan designation number
EU/3/21/2477

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Akouos Inc.

Sponsor organisation
Akouos Inc.
Address
645 Summer Street Suite 200
City
Boston
Postcode
02210-2135
Country
United States

Scientific contact point

Organisation
Akouos Inc.
Contact name
Akouos Clinical Trials

Public contact point

Organisation
Akouos Inc.
Contact name
Akouos Clinical Trials

Third parties 2

OrganisationCity, countryDuties
Medpace Inc.
ORG-100026760
Cincinnati, United States On site monitoring, Code 10, Code 12, Code 13, Other, Code 2, Code 5, Data management, E-data capture, Code 8, Code 9
Boyd Consultants Limited
ORG-100013894
Dublin 11, Ireland Code 12

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Spain Ongoing, recruiting 2 1
Rest of world
United Kingdom, Taiwan, United States, Canada
12

Investigational sites

Spain

1 site · Ongoing, recruiting
Sant Joan De Deu Barcelona Hospital
Pediatric Otorhinolaryngology, Passeig De Sant Joan De Deu 2, 08950, Esplugues De Llobregat

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Spain 2024-11-11 2024-11-11

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 12 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol_2024-512584-31-00_AK-OTOF-LTFU_redacted_for publication 1
Recruitment arrangements (for publication) K1_Recruitment arrangements_ES_Akouos 1
Subject information and informed consent form (for publication) L1_SIS and ICF_Assent 12-17 years old_Akouos_redacted_for publication 1.0
Subject information and informed consent form (for publication) L1_SIS and ICF_Parent ICF_Akouos_redacted_AR 1
Subject information and informed consent form (for publication) L1_SIS and ICF_Parent_Akouos_redacted_for publication 1.0
Subject information and informed consent form (for publication) L1_SIS and ICF_Travel vendor ICF_Akouos_redacted_AR 1
Subject information and informed consent form (for publication) L1_SIS and ICF_travel vendor_Akouos_redacted_for publication 1.0
Subject information and informed consent form (for publication) L2_CaregiverRetentionBrochure-V1_29Aug2024_ES 1
Subject information and informed consent form (for publication) L2_Other subject information material_FAQ_Bank Transfer_Akouos_for publication 10.0
Subject information and informed consent form (for publication) L2_Other subject information material_PECard_Akouos_for publication 1
Synopsis of the protocol (for publication) D1_Protocol Synopsis_ENG_2024-512584-31-00_AK-OTOF-LTFU_redacted_for publication 1
Synopsis of the protocol (for publication) D1_Protocol Synopsis_ES_2024-512584-31-00_AK-OTOF-LTFU_redacted_for publication 1

Application history

6 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-04-16 Spain Acceptable
2024-06-05
2024-07-24
2 NON SUBSTANTIAL MODIFICATION NSM-1 2024-10-04 Spain Acceptable
2024-06-05
2024-10-04
3 NON SUBSTANTIAL MODIFICATION NSM-2 2024-12-18 Spain Acceptable
2024-06-05
2024-12-18
4 SUBSTANTIAL MODIFICATION SM-1 2025-02-07 Spain Acceptable 2025-03-14
5 NON SUBSTANTIAL MODIFICATION NSM-3 2025-08-05 Spain Acceptable 2025-08-05
6 SUBSTANTIAL MODIFICATION SM-2 2026-01-09 Spain Acceptable
2026-03-13
2026-03-17