An Early Phase Study to Investigate the Safety and Efficacy of HS135 in Adult Patients With Pulmonary Arterial Hypertension (PAH)

2023-510452-23-00 Protocol HS135-002 Human pharmacology (Phase I) - Other Ended

Start 29 Oct 2024 · End 30 Apr 2025 · Status Ended · 3 EU/EEA countries · 5 sites · Protocol HS135-002

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Ended
Participants planned 36
Countries 3
Sites 5

Pulmonary arterial hypertension

Key facts

Sponsor
35Pharma Inc.
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Cardiovascular Diseases [C14]
Trial duration
29 Oct 2024 → 30 Apr 2025
Decision date (initial)
2024-06-26
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

Pulmonary arterial hypertension

VersionLevelCodeTermSystem organ class
21.1 PT 10064911 Pulmonary arterial hypertension 100000004855

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

35Pharma Inc.

Sponsor organisation
35Pharma Inc.
Address
750 Saint-Laurent Boulevard Suite 101
City
Montreal
Postcode
H2Y 2Z4
Country
Canada

Scientific contact point

Organisation
35Pharma Inc.
Contact name
Chief Medical Officer

Public contact point

Organisation
35Pharma Inc.
Contact name
VP of Clinical Operations

Locations

3 EU/EEA countries · 5 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Ended 10 3
Hungary Ended 4 1
Poland Ended 2 1
Rest of world
United States, Canada
20

Investigational sites

Germany

3 sites · Ended
Medizinische Hochschule Hannover
Pneumologie, Carl-Neuberg-Strasse 1, Gross Buchholz, Hanover
Universitätsmedizin Greifswald
Respiratory Medicine and Infectious Diseases, Ferdinand-Sauerbruchstraße, 17475, Greifswald
Universitaetsklinikum Carl Gustav Carus Dresden an der Technischen Universitaet Dresden AöR
Medizinische Klinik und Poliklinik I Abteilung für Pneumologie, Fetscherstrasse 74, Johannstadt-Nord, Dresden

Hungary

1 site · Ended
Semmelweis University
Internal Medicine and Oncology Clinic Department of Clinical Pharmacology, Koranyi Sandor Utca 2/a, Kerulet, Budapest VIII

Poland

1 site · Ended
Krakowski Szpital Specjalistyczny Im. Sw. Jana Pawla II
Oddział Kliniczny Chorób Serca I Naczyń z Pododdziałem Intensywnego Nadzoru Kardiologicznego, Ul. Pradnicka 80, 31-202, Cracow

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
Germany 2024-10-29 2024-11-26 2025-02-26
Hungary 2024-11-13 2025-02-07 2025-02-26

Oversight and notifications

Regulatory notifications under CTR Articles 38, 52, 53, 54 and 77

Temporary halts 2 · Art. 38 CTR

Temporary halt TH-72443

Halt date
2025-02-26
Member states concerned
Hungary
Publication date
2025-02-26
Reason
Sponsor decision
Explanation
A pericardial effusion Grade 3 (SUSAR) has been reported in a subject receiving the study drug. The Sponsor decided to temporarily halt the study out of an abundance of caution and to further review available data.
Follow-up measures
Dosing of study drug has been halted for all enrolled patients subject to further data review. No new subjects will be enrolled at this time. Patients who have received at least 1 dose of HS135 are encouraged to remain in the study and perform all study procedures, for at least 2 months after their last dose.
Benefit-risk balance changed
No
Treatment stopped
Yes

Temporary halt TH-72445

Halt date
2025-02-26
Member states concerned
Germany
Publication date
2025-02-26
Reason
Sponsor decision
Explanation
A pericardial effusion Grade 3 (SUSAR) has been reported in a subject receiving the study drug. The Sponsor decided to temporarily halt the study out of an abundance of caution and to further review available data.
Follow-up measures
Dosing of study drug has been halted for all enrolled patients subject to further data review. No new subjects will be enrolled at this time. Patients who have received at least 1 dose of HS135 are encouraged to remain in the study and perform all study procedures, for at least 2 months after their last dose.
Benefit-risk balance changed
No
Treatment stopped
Yes

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-02-29 Poland Acceptable
2024-06-24
2024-06-24
2 SUBSTANTIAL MODIFICATION SM-1 2024-08-15 Poland Acceptable
2024-09-24
2024-09-30