Clinical trial • Phase II • Ophthalmology

BI 1815368 for Diabetic macular edema

Phase II trial of BI 1815368 for Diabetic macular edema.

Overview

Trial Therapeutic Area
Ophthalmology
Trial Disease
Diabetic macular edema
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
11-06-2025
First CTIS Authorization Date
30-09-2025

Trial design

Randomised, bi 1815368 placebo (placebo comparator). dose and schedule not specified in the part i data available.-controlled Phase II trial in Czechia, Germany, Hungary and others.

Randomised
Yes
Comparator
BI 1815368 Placebo (placebo comparator). Dose and schedule not specified in the Part I data available.
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
107
Trial Duration For Participant
336

Eligibility

Recruits 107 No vulnerable population selected (isVulnerablePopulationSelected:false). Participants must be adults (≥18 years). Subject information and informed consent forms (L1/L2 documents) are provided for participating countries (multiple local language versions listed)..

Vulnerable Population
No vulnerable population selected (isVulnerablePopulationSelected:false). Participants must be adults (≥18 years). Subject information and informed consent forms (L1/L2 documents) are provided for participating countries (multiple local language versions listed).

Inclusion criteria

  • {"criterion_text":"- ≥18 years of age"}
  • {"criterion_text":"- Diagnosis of diabetes mellitus (DM) (type 1 or type 2), HbA1c <12% treated with stable medication for at least 30 days prior to Day 1; no already-set plans for major changes in DM medication (e.g. start of new medication) at the time of screening and baseline"}
  • {"criterion_text":"- CI-DME confirmed on SD-OCT with CST ≥320 µm for male and ≥305 µm for female participants in the study eye at screening"}
  • {"criterion_text":"- BCVA visual acuity ETDRS letter score in the study eye between 24 and 78 (Snellen equivalent range 20/320 to 20/32) at screening"}
  • {"criterion_text":"- Further inclusion criteria apply"}

Exclusion criteria

  • {"criterion_text":"- Macular edema considered to be due to other causes than CI-DME in the study eye"}
  • {"criterion_text":"- Proliferative diabetic retinopathy or iris neovascularisation (including the anterior chamber angle) in the study eye"}
  • {"criterion_text":"- Any IVT anti-vascular endothelial growth factor (VEGF) treatment within 4 months before Day 1 (other than Vabysmo® or Eylea® HD), and within 6 months before Day 1 for Vabysmo® or Eylea® HD, and/or more than 4 prior IVT injections with anti-VEGF treatment in total in the study eye"}
  • {"criterion_text":"- Any history of panretinal photocoagulation treatment, macular laser photocoagulation, vitreoretinal surgery, IVT or periocular corticosteroid treatment (within 12 months before Day 1), history of Iluvien® or Ozurdex® implants before Day 1, or topical steroid or NSAID treatment (within 30 days before Day 1)"}
  • {"criterion_text":"- Active ocular inflammation of any history of intraocular inflammation within 1 year"}
  • {"criterion_text":"- Aphakia or total absence of the posterior capsule; YAG laser capsulotomy in the study eye is permitted if more than 2 months prior to Day 1"}
  • {"criterion_text":"- Further exclusion criteria apply"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Occurrence (yes/no) of a gain of ≥10 ETDRS letters compared with baseline in the study eye at Week 48","definition_or_measurement_approach":"Measured as occurrence (yes/no) of gain ≥10 ETDRS letters from baseline in the study eye at Week 48 using ETDRS visual acuity testing."}

Secondary endpoints

  • {"endpoint_text":"- Occurrence (yes/no) of gain of ≥15 ETDRS letters compared with baseline in the study eye at Week 48","definition_or_measurement_approach":"Measured as occurrence (yes/no) of gain ≥15 ETDRS letters from baseline in the study eye at Week 48 using ETDRS visual acuity testing."}
  • {"endpoint_text":"- Occurrence (yes/no) of drug-related AEs over the treatment period through EoS","definition_or_measurement_approach":"Occurrence of adverse events assessed as drug-related between baseline and end of study (EoS) as reported and adjudicated per study safety reporting procedures."}
  • {"endpoint_text":"- Absolute change from baseline of CST as measured by SD-OCT in the study eye at Week 48","definition_or_measurement_approach":"Change from baseline in central subfield foveal thickness (CST) measured by spectral domain optical coherence tomography (SD-OCT) in the study eye at Week 48."}

Recruitment

Registry Or Advocacy Recruitment
Yes
Digital Remote Recruitment
Yes
Planned Sample Size
107
Recruitment Window Months
23
Consent Approach
Informed consent is obtained using provided subject information sheets and informed consent forms (L1/L2 documents). Local-language ICFs and supporting materials are available for participating countries (documented versions for Czech, German, Hungarian, Polish, Slovak). Participants are adults (≥18) and provide their own consent; no assent is indicated.

Methods

  • Doctor-to-patient letters (K2_Recruitment material_Doctor to Patient Letter) – channel: direct communication via treating physicians; target audience: patients with diabetic macular edema; country-specific materials available (e.g., DEU, CZE, POL versions).
  • Patient pre-enrollment cards and Patient ID Cards (K2_Pre-enrollment card / L2_Patient ID Card) – channel: physical/print materials given in clinics; target audience: potential participants at study sites; country-specific versions present.
  • Patient brochures, posters and flyers (K2_Recruitment material_Patient Brochure / Patient Poster / Patient Flyer) – channel: clinic/display and print distribution; target audience: patients and clinic visitors; country-specific versions available.
  • Patient portal content (K2_Recruitment material_Patient Portal Content) – channel: online patient portal content; target audience: patients using clinic portals or trial portals; country-specific adaptations present.
  • Patient advocacy group engagement (K2_Recruitment material_Patient Advocacy Group Letter) – channel: outreach via patient advocacy organisations; target audience: patient groups and advocates; country-specific versions exist.
  • Community engagement slides (K2_ Recruitment material_D and I Community Engagement Slides / D_I Community Engagement Slides) – channel: presentations/engagement events; target audience: patient communities and stakeholders; country-specific slides available (e.g., DE, POL, CZE).

Geography

Total Number Of Sites
35
Total Number Of Participants
193

Czechia

Earliest CTIS Part Ii Submission Date
16-09-2025
Latest Decision Or Authorization Date
01-10-2025
Processing Time Days
15
Number Of Sites
7
Number Of Participants
39

Sites

Site Name
Fakultni Nemocnice Ostrava
Department Name
Ocni klinika
Principal Investigator Name
Jan Nemcansky
Principal Investigator Email
jan.nemcansky@fno.cz
Contact Person Name
Jan Nemcansky
Contact Person Email
jan.nemcansky@fno.cz
Site Name
Fakultni Nemocnice Kralovske Vinohrady
Department Name
Ocni klinika
Principal Investigator Name
Miroslav Veith
Principal Investigator Email
mveith@email.cz
Contact Person Name
Miroslav Veith
Contact Person Email
mveith@email.cz
Site Name
Axon Clinical s.r.o.
Department Name
Ocni klinika
Principal Investigator Name
Jan Ernest
Principal Investigator Email
jan.ernest@axon-clinical.com
Contact Person Name
Jan Ernest
Contact Person Email
jan.ernest@axon-clinical.com
Site Name
Fakultni Thomayerova nemocnice
Department Name
Ocni klinika
Principal Investigator Name
Katerina Myslik Manethova
Principal Investigator Email
katerina.manethova@ftn.cz
Contact Person Name
Katerina Myslik Manethova
Contact Person Email
katerina.manethova@ftn.cz
Site Name
Fakultni Nemocnice Hradec Kralove
Department Name
Ocni klinika
Principal Investigator Name
Jan Beranek
Principal Investigator Email
jan.beranek1@fnhk.cz
Contact Person Name
Jan Beranek
Contact Person Email
jan.beranek1@fnhk.cz
Site Name
Oftex s.r.o.
Department Name
Ocni klinika
Principal Investigator Name
Vladimir Korda
Principal Investigator Email
korda@oftex.cz
Contact Person Name
Vladimir Korda
Contact Person Email
korda@oftex.cz
Site Name
Vseobecna Fakultni Nemocnice V Praze
Department Name
Ocni klinika
Principal Investigator Name
Bohdan Kousal
Principal Investigator Email
bohdan.kousal@vfn.cz
Contact Person Name
Bohdan Kousal
Contact Person Email
bohdan.kousal@vfn.cz

Germany

Earliest CTIS Part Ii Submission Date
15-08-2025
Latest Decision Or Authorization Date
01-10-2025
Processing Time Days
47
Number Of Sites
5
Number Of Participants
20

Sites

Site Name
Universitaetsklinikum Carl Gustav Carus Dresden an der Technischen Universitaet Dresden AöR
Department Name
Augenheilkunde
Principal Investigator Name
Ramin Khoramnia
Principal Investigator Email
ramin.khoramnia@ukdd.de
Contact Person Name
Ramin Khoramnia
Contact Person Email
ramin.khoramnia@ukdd.de
Site Name
Universitaet Leipzig
Department Name
Augenklinik
Principal Investigator Name
Focke Ziemssen
Principal Investigator Email
Focke.ziemssen@medizin.uni-leipzig.de
Contact Person Name
Focke Ziemssen
Site Name
Augenzentrum Am St Franziskus-Hospital Muenster
Department Name
Augenzentrum
Principal Investigator Name
Georg Spital
Principal Investigator Email
Georg.spital@augen-franziskus.de
Contact Person Name
Georg Spital
Site Name
Universitaetsklinikum Duesseldorf AöR
Department Name
Augenheilkunde
Principal Investigator Name
Rainer Guthoff
Principal Investigator Email
Rainer.guthoff@med.uni-duesseldorf.de
Contact Person Name
Rainer Guthoff
Site Name
Heidelberg University (Mannheim site)
Department Name
Augenklinik
Principal Investigator Name
Robert Finger
Principal Investigator Email
robertpatrick.finger@umm.de
Contact Person Name
Robert Finger
Contact Person Email
robertpatrick.finger@umm.de

Hungary

Earliest CTIS Part Ii Submission Date
11-08-2025
Latest Decision Or Authorization Date
03-10-2025
Processing Time Days
53
Number Of Sites
9
Number Of Participants
30

Sites

Site Name
Budapesti Bajcsy-Zsilinszky Korhaz Es Rendelointezet
Department Name
Szemészeti Osztály
Principal Investigator Name
Ágnes Kerényi
Principal Investigator Email
agneskerenyi@gmail.com
Contact Person Name
Ágnes Kerényi
Contact Person Email
agneskerenyi@gmail.com
Site Name
Budapest Retina Associates Kft.
Department Name
-
Principal Investigator Name
András Seres
Principal Investigator Email
seres@budapestretina.hu
Contact Person Name
András Seres
Contact Person Email
seres@budapestretina.hu
Site Name
University Of Pecs
Department Name
Szemeszeti Klinika
Principal Investigator Name
Adrienne Csuták
Principal Investigator Email
csutak.adrienne@pte.hu
Contact Person Name
Adrienne Csuták
Contact Person Email
csutak.adrienne@pte.hu
Site Name
University Of Debrecen
Department Name
Szemklinika
Principal Investigator Name
Attila Vajas
Principal Investigator Email
vajasa@gmail.com
Contact Person Name
Attila Vajas
Contact Person Email
vajasa@gmail.com
Site Name
Ganglion Orvosi Központ
Department Name
-
Principal Investigator Name
Balázs László Varsányi
Principal Investigator Email
varsanyi.balazs@ganglion.hu
Contact Person Name
Balázs László Varsányi
Contact Person Email
varsanyi.balazs@ganglion.hu
Site Name
University Of Szeged
Department Name
Szemészeti Klinika
Principal Investigator Name
Edit Tóth-Molnár
Principal Investigator Email
tme@tmedit.hu
Contact Person Name
Edit Tóth-Molnár
Contact Person Email
tme@tmedit.hu
Site Name
Vas Varmegyei Markusovszky Egyetemi Oktatokorhaz
Department Name
Szemészeti Osztály
Principal Investigator Name
György Bátor
Principal Investigator Email
bator.gyorgy@gmail.com
Contact Person Name
György Bátor
Contact Person Email
bator.gyorgy@gmail.com
Site Name
Észak-Pesti Centrumkórház-Honvédkórház
Department Name
Szemészeti Osztály
Principal Investigator Name
Gábor Vogt
Principal Investigator Email
gabor.vogt@tosho.hu
Contact Person Name
Gábor Vogt
Contact Person Email
gabor.vogt@tosho.hu
Site Name
Budapesti Jahn Ferenc Del Pesti Korhaz Es Rendelointezet
Department Name
Szemészeti Osztály
Principal Investigator Name
Norbert Czumbel
Principal Investigator Email
czumbel@gmail.com
Contact Person Name
Norbert Czumbel
Contact Person Email
czumbel@gmail.com

Poland

Earliest CTIS Part Ii Submission Date
27-06-2025
Latest Decision Or Authorization Date
06-10-2025
Processing Time Days
101
Number Of Sites
10
Number Of Participants
84

Sites

Site Name
Eb Group Sp. z o.o.
Department Name
Centrum Zdrowia MDM
Principal Investigator Name
Piotr Wnorowski
Principal Investigator Email
piotrwnorowski@gmail.com
Contact Person Name
Piotr Wnorowski
Contact Person Email
piotrwnorowski@gmail.com
Site Name
Szpital Sw. Rozy Sp. z o.o.
Principal Investigator Name
Małgorzata Siewierska
Principal Investigator Email
siewierskamalgorzata@swroza.pl
Contact Person Name
Małgorzata Siewierska
Contact Person Email
siewierskamalgorzata@swroza.pl
Site Name
Centrum Diagnostyki I Mikrochirurgii Oka Lens Sp. z o.o.
Principal Investigator Name
Dominik Zalewski
Principal Investigator Email
domizal@gmail.com
Contact Person Name
Dominik Zalewski
Contact Person Email
domizal@gmail.com
Site Name
Centrum Medyczne Dietla 19 Sp. z o.o.
Principal Investigator Name
Piotr Oleksy
Principal Investigator Email
piotroleksy@yahoo.pl
Contact Person Name
Piotr Oleksy
Contact Person Email
piotroleksy@yahoo.pl
Site Name
Szpital Swietego Lukasza S.A.
Principal Investigator Name
Bogumił Wowra
Principal Investigator Email
bogumilwowra@gmail.com
Contact Person Name
Bogumił Wowra
Contact Person Email
bogumilwowra@gmail.com
Site Name
Poznanskie Centrum Wzroku Sp. z o.o.
Principal Investigator Name
Mikolaj Meller
Principal Investigator Email
mikolaj.meller@centrumwzroku.com
Contact Person Name
Mikolaj Meller
Site Name
Clinical Medical Research Sp. z o.o.
Principal Investigator Name
Piotr Gościniewicz
Contact Person Name
Piotr Gościniewicz
Site Name
Warszawski Szpital Okulistyczny Sp. z o.o.
Principal Investigator Name
Agnieszka Nowosielska
Principal Investigator Email
nowosielska.aga@gmail.com
Contact Person Name
Agnieszka Nowosielska
Contact Person Email
nowosielska.aga@gmail.com
Site Name
Caminomed Sp. z o.o.
Principal Investigator Name
Barbara Zatorska
Principal Investigator Email
caminomed.zatorska@gmail.com
Contact Person Name
Barbara Zatorska
Contact Person Email
caminomed.zatorska@gmail.com
Site Name
Oculomedica Sp. z o.o.
Principal Investigator Name
Bartosz Sikorski
Principal Investigator Email
sikorski@doctors.org.uk
Contact Person Name
Bartosz Sikorski
Contact Person Email
sikorski@doctors.org.uk

Slovakia

Earliest CTIS Part Ii Submission Date
24-09-2025
Latest Decision Or Authorization Date
30-09-2025
Processing Time Days
6
Number Of Sites
4
Number Of Participants
20

Sites

Site Name
Fakultna Nemocnica Trencín
Department Name
Ophthalmological clinic
Principal Investigator Name
Marek Kacerik
Principal Investigator Email
marekkacerik@gmail.com
Contact Person Name
Marek Kacerik
Contact Person Email
marekkacerik@gmail.com
Site Name
Fakultna Nemocnica S Poliklinikou Zilina
Department Name
Ophthalmology
Principal Investigator Name
Blandina Lipkova
Principal Investigator Email
blandina.lipkova@gmail.com
Contact Person Name
Blandina Lipkova
Contact Person Email
blandina.lipkova@gmail.com
Site Name
F D Roosevelt University General Hospital Of Banska Bystrica
Department Name
II. Eye clinic SZU
Principal Investigator Name
Ladislav Janco
Principal Investigator Email
ljanco@nspbb.sk
Contact Person Name
Ladislav Janco
Contact Person Email
ljanco@nspbb.sk
Site Name
Nemocnica S Poliklinikou Trebisov a.s.
Department Name
Ophthalmology
Principal Investigator Name
Maria Hurcikova
Principal Investigator Email
maria.hurcikova@svetzdravia.com
Contact Person Name
Maria Hurcikova

Sponsor

Primary sponsor

Full Name
Boehringer Ingelheim International GmbH
Organisation Type
Pharmaceutical company
Country Of Registered Address
Germany

Contract research organisations

Name
Merit CRO Inc.
Responsibilities
Imaging Services

Third parties

  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"eCOA","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Patient reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Cytel Inc.","duties_or_roles":"Data Monitoring Committee","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Veeva Systems Inc.","duties_or_roles":"","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Optymedge LLC","duties_or_roles":"Training and certification of visual function examiners","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Merit CRO Inc.","duties_or_roles":"Imaging Services","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Perceptive Informatics Inc.","duties_or_roles":"","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
BI 1815368
Active Substance
BI 1815368
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Investigational Product Name
BI 1815368 Placebo
Modality
Other

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