A Clinical Trial to Assess a New Anti-Cancer Treatment (called DSB2455) Given On Its Own in Patients with Advanced Malignancies

2023-508805-26-00 Protocol DSB2455-001 Human pharmacology (Phase I) - First administration to humans Authorised, recruiting

Start 23 Oct 2024 · Status Authorised, recruiting · 4 EU/EEA countries · 19 sites · Protocol DSB2455-001

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Authorised, recruiting
Participants planned 150
Countries 4
Sites 19

patients with active brain metastases, where the primary tumour has confirmed BRCA1/2 and/or HRR alterations

Key facts

Sponsor
Duke Street Bio Limited
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Not possible to specify
Trial duration
23 Oct 2024 → ongoing
Decision date (initial)
2025-06-04
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

patients with active brain metastases, where the primary tumour has confirmed BRCA1/2 and/or HRR alterations

VersionLevelCodeTermSystem organ class
20.0 PT 10006187 Breast cancer 100000004864
20.0 PT 10033128 Ovarian cancer 100000004864
20.0 PT 10060862 Prostate cancer 100000004864
20.0 LLT 10006128 Brain metastases 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Duke Street Bio Limited

Sponsor organisation
Duke Street Bio Limited
Address
2 Duke Street
City
London
Postcode
W1U 3EH
Country
United Kingdom

Scientific contact point

Organisation
Duke Street Bio Limited
Contact name
Dónal Landers

Public contact point

Organisation
Duke Street Bio Limited
Contact name
Dónal Landers

Locations

4 EU/EEA countries · 19 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Authorised, recruiting 8 2
Hungary Ongoing, recruiting 5 1
Poland Authorised, recruitment pending 28 5
Spain Ongoing, recruiting 60 11
Rest of world
United States, India
49

Investigational sites

France

2 sites · Authorised, recruiting
Institut Godinot
Oncologie médicale, 1 Rue Du General Koenig, 51100, Reims
Institut Bergonie
Oncologie médicale, 180 R De Saint Genes, 229 Cours De L Argonne, Bordeaux

Hungary

1 site · Ongoing, recruiting
Orszagos Onkologiai Intezet
Chemotherapy "B", Rath Gyorgy Utca 7-9, Kerulet, Budapest XII

Poland

5 sites · Authorised, recruitment pending
Uniwersytecki Szpital Kliniczny W Poznaniu
Oncology, Ul. Augustyna Szamarzewskiego 84, 60-569, Poznan
Centrum Terapii Wspolczesnej J.M. Jasnorzewska S.K.A.
Oncology, Ul. Przedzalniana 66, 90-338, Lodz
Uniwersyteckie Centrum Kliniczne
Oncology Clinic, Ul. Mariana Smoluchowskiego 17, 80-214, Gdansk
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Early Phase Trial Unit, Ul. Wilhelma Konrada Roentgena 5, 02-781, Warsaw
Instytut Centrum Zdrowia Matki Polki
Oncology Clinic, Ul. Rzgowska 281/289, 93-338, Lodz

Spain

11 sites · Ongoing, recruiting
Clinica Universidad De Navarra
Oncology, Pio XII Etorbidea 36, 31008, Pamplona
Clinica Universidad De Navarra
Oncology, Calle Marquesado De Santa Marta 1, 28027, Madrid
University Hospital Virgen Del Rocio S.L.
Oncology, Avenida De Manuel Siurot S/n, 41013, Sevilla
Hospital Hm Nou Delfos
Oncology START Barcelona – HM Nou Delfos, Avinguda De Vallcarca 151, 08023, Barcelona
Hospital Universitario Reina Sofia
Oncology, Avenida Menendez Pidal S/n, 14004, Cordoba
Hospital Universitario Virgen De La Victoria
Oncology, Campus De Teatinos Sn, Puerto De La Torre, Malaga
Hospital Universitari Vall D Hebron
Oncology, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Fundacion Instituto Valenciano De Oncologia
Oncology, Calle De Gregorio Gea 3 1 A Planta, 46009, Valencia
Hospital Universitario 12 De Octubre
Oncology, Avenida De Cordoba Sn, 28041, Madrid
Hospital Universitario Hm Sanchinarro
Oncology, Calle Ona 10, 28050, Madrid
Fundacion Rioja Salud
Oncology, Calle Piqueras 98, 26006, Logrono

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
France 2025-10-23
Hungary 2026-04-29 2026-05-26
Spain 2024-10-23 2024-11-21

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-06-14 Spain Acceptable with conditions
2024-09-23
2024-09-23
2 SUBSTANTIAL MODIFICATION SM-1 2024-09-25 Spain Acceptable with conditions 2024-10-14
3 SUBSTANTIAL MODIFICATION SM-2 2024-12-20 Spain Acceptable
2025-03-04
2025-03-04
4 NON SUBSTANTIAL MODIFICATION NSM-1 2025-03-04 Spain Acceptable
2025-03-04
2025-03-04
5 SUBSTANTIAL MODIFICATION SM-3 2025-03-10 Spain Acceptable 2025-03-17
6 SUBSEQUENT ADDITION OF MSC APP-6 2025-03-13 2025-06-04
7 SUBSTANTIAL MODIFICATION SM-4 2025-05-08 Spain Acceptable 2025-05-30
8 SUBSTANTIAL MODIFICATION SM-5 2025-06-13 Spain Acceptable 2025-06-20
9 SUBSTANTIAL MODIFICATION SM-6 2025-07-17 Spain Acceptable
2025-08-27
2025-08-28
10 SUBSTANTIAL MODIFICATION SM-7 2025-09-11 Spain Acceptable 2025-09-22
11 SUBSEQUENT ADDITION OF MSC APP-11 2025-11-27 Acceptable with conditions
2024-09-23
2026-02-05
12 SUBSEQUENT ADDITION OF MSC APP-12 2025-11-27 Acceptable with conditions
2024-09-23
2026-03-07
13 SUBSTANTIAL MODIFICATION SM-8 2026-03-11 Spain Acceptable
2026-05-11
2026-05-12