Maternal oxygen therapy during pregnancy for unborn babies with underdeveloped structures on the left side of the heart

2024-512679-11-00 Therapeutic confirmatory (Phase III) Ongoing, recruiting

Start 25 Apr 2025 · Status Ongoing, recruiting · 1 EU/EEA countries · 7 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic confirmatory (Phase III)
Status Ongoing, recruiting
Participants planned 64
Countries 1
Sites 7

unborn baby with developmental disorder of the left side of the heart

Evidence of efficacy of materno-fetal hyperoxygenation (MFHO) during the third trimester of pregnancy on growth of underdeveloped fetal left ventricular structures

Key facts

Sponsor
Universitaetsklinikum Erlangen AöR
Participant type
Pediatric, Patients
Age range
In Utero, 18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
Trial duration
25 Apr 2025 → ongoing
Decision date (initial)
2024-03-25
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

External identifiers

EU CT number
2024-512679-11-00
EudraCT number
2022-000608-36

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy, Therapy, Safety

Evidence of efficacy of materno-fetal hyperoxygenation (MFHO) during the third trimester of pregnancy on growth of underdeveloped fetal left ventricular structures

Conditions and MedDRA coding

unborn baby with developmental disorder of the left side of the heart

VersionLevelCodeTermSystem organ class
20.0 PT 10021076 Hypoplastic left heart syndrome 100000004850

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 6

  1. >= 18 years of age (mother)
  2. third trimester of pregnancy (mother)
  3. non-smoker (mother)
  4. A. uterina doppler ultrasound at least one-sided without pathological findings (mother)
  5. cardiac disorder with at least one underdeveloped left ventricular structure detected by echocardiography (fetus)
  6. sufficient fetal cardiac function (fetus)

Exclusion criteria 17

  1. alcohol or drug abuse (mother)
  2. multiple pregnancy (mother)
  3. adipositas permagna (BMI>40) (mother)
  4. diabetes melllitus, insulin-dependent (mother)
  5. obstetrical issues (e.g. Cervix uteri <25mm, premature contractions, preeclampsia, eclampsia, HELLP Syndrome, …) (mother)
  6. fetus impossible to evaluate by echocardiography (mother)
  7. patholog. utero-placental resistance (mother)
  8. cardiac failure (NYHA III/IV or decompensated) (mother)
  9. severe COPD, hypercapnia (mother)
  10. underlying disease or chromosomal abnormality which might influence the effect of MFHO (fetus)
  11. hemodynamic factors with influence on filling/emptying of the left heart which might affect MFHO efficacy (fetus)
  12. fetal cardiac failure (fetus)
  13. Hydrops fetalis (fetus)
  14. severe growth retardation (fetus)
  15. no flow in A. umbilicalis (fetus)
  16. severe extracardiac malformations (fetus)
  17. visit 2: inadequate response to O2 provocation during echocardiography (fetus)

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. median change of the sum of the Z-scores of the initially chosen echocardiographic fetal heart structures under O2 provocation at the time point PW35d0 (+/- 2 days) compared to the initial values on PW32d0 (+/- 2 days) under O2 provocation

Investigational products

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

Test 1

LOX medicAL 100% (V/V) Gas zur medizinischen Anwendung, kälteverflüssigt

PRD334261 · Product

Active substance
Oxygen
Pharmaceutical form
MEDICINAL GAS, CRYOGENIC
Route of administration
INHALATION USE
Max daily dose
4320 l litre(s)
Max total dose
241920 l litre(s)
Max treatment duration
8 Week(s)
Authorisation status
Authorised
ATC code
V03AN01 — -
Marketing authorisation
6283297.00.00
MA holder
AIR LIQUIDE MEDICAL GMBH
MA country
Germany
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Universitaetsklinikum Erlangen AöR

Sponsor organisation
Universitaetsklinikum Erlangen AöR
Address
Maximiliansplatz 2, Innenstadt Innenstadt
City
Erlangen
Postcode
91054
Country
Germany

Scientific contact point

Organisation
Universitaetsklinikum Erlangen AöR
Contact name
Prof. Dr. Holm Schneider

Public contact point

Organisation
Universitaetsklinikum Erlangen AöR
Contact name
Prof. Dr. Holm Schneider

Locations

1 EU/EEA country · 7 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Ongoing, recruiting 64 7
Rest of world 0

Investigational sites

Germany

7 sites · Ongoing, recruiting
Universitaet Leipzig
Abteilung für Geburtsmedizin, Liebigstrasse 20a, Zentrum-Suedost, Leipzig
Barmherzige Brueder gemeinnuetzige Krankenhaus GmbH
Klinik St. Hedwig - Klinik für Frauenheilkunde und Geburtshilfe, Pruefeninger Strasse 86, Westenviertel, Regensburg
Herz Und Diabeteszentrum NRW Bad Oeynhausen Universitaetsklinik Der Ruhr-Universitaet Bochum
Klinik für Kinderkardiologie und angeborene Herzfehler, Georgstrasse 11, Innenstadt, Bad Oeynhausen
Universitaetsklinikum Mannheim GmbH
Deutsches Zentrum für Fetalchirurgie und minimal invasive Therapie (DZFT), Theodor-Kutzer-Ufer 1-3, Wohlgelegen, Mannheim
Klinikum Der Landeshauptstadt Stuttgart gKAöR
Olgasptial / Frauenklinik, Kriegsbergstrasse 62, Mitte, Stuttgart
Universitaetsklinikum Erlangen AöR
Kinder- und Jugendklinik, Loschgestrasse 15, Innenstadt, Erlangen
Universitaetsklinikum Essen AöR
Klinik für Frauenheilkunde und Geburtshilfe, Hufelandstrasse 55, Holsterhausen, Essen

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 2023-05-10 2023-08-18

Oversight and notifications

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

Temporary halts 1 · Art. 38 CTR

Temporary halt TH-70325

Halt date
2025-02-11
Member states concerned
Germany
Publication date
2025-02-11
Reason
Safety related (clinical or pre-clinical results)
Explanation
Für die klinische Prüfung HYPEROX wurde ein schwerwiegendes unerwünschtes Ereignis, für welches ein kausaler Zusammenhang mit der Prüfmedikation nicht ausgeschlossen werden kann (SAR), gemeldet. Im Studienprotokoll (Version 1.4 vom 10. Juli 2024) ist festgelegt, dass ein solches Ereignis eine Unterbrechung der klinischen Prüfung zur Folge haben soll.
Follow-up measures
Alle Rekrutierungsmaßnahmen wurden eingestellt, die Aufnahme weiterer Studienteilnehmer in die klinische Prüfung ist vorerst nicht möglich. Auf Grundlage der DSMB-Empfehlung wird entscheiden, ob und wann die klinische Prüfung fortgesetzt werden kann.
Benefit-risk balance changed
No
Treatment stopped
Yes

Results and documents

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

Documents 8 files

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

TypeTitleVersion
Protocol (for publication) D1_HYPEROX_Protocol_redacted 1.5
Protocol (for publication) D4_HYPEROX_Subject_Card 1.1
Recruitment arrangements (for publication) K1_Recruitment_IC_procedure_HYPEROX 1.0
Recruitment arrangements (for publication) K2_Recruitment_material_HYPEROX 1.0
Subject information and informed consent form (for publication) L1_SIS_ICF_HYPEROX_redacted 1.5
Subject information and informed consent form (for publication) L2_Diary_HYPEROX 1.2
Subject information and informed consent form (for publication) L2_Information_IMP_HYPEROX_redacted 1.1
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_LOX_medicAL NA

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-03-12 Germany Acceptable
2024-03-20
2024-03-25
2 SUBSTANTIAL MODIFICATION SM-1 2024-07-19 Germany Acceptable
2024-08-22
2024-08-26
3 SUBSTANTIAL MODIFICATION SM-2 2025-04-03 Germany Acceptable
2025-04-25
2025-04-28
4 SUBSTANTIAL MODIFICATION SM-3 2025-10-10 Germany Acceptable 2025-11-07
5 SUBSTANTIAL MODIFICATION SM-4 2026-02-10 Germany Acceptable 2026-03-31