The effect of Oxygen sUppleTion on vascular resistance and FLOW: the OUTFLOW study

2024-516279-34-00 Protocol PaNaMa code: 113071 Therapeutic use (Phase IV) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 1 sites · Protocol PaNaMa code: 113071

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Authorised, recruitment pending
Participants planned 24
Countries 1
Sites 1

Pulmonary Hypertension

To objectify the effect of high-concentration (100%) oxygen suppletion on coronary, pulmonary and systemic haemodynamics, and the chronological sequence of these effects

Key facts

Sponsor
Stichting Radboud universitair medisch centrum
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Respiratory Tract Diseases [C08], Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Therapeutics [E02], Diseases [C] - Cardiovascular Diseases [C14], Phenomena and Processes [G] - Circulatory and Respiratory Physiological Phenomena [G09]
Decision date (initial)
2024-10-31
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Therapy

To objectify the effect of high-concentration (100%) oxygen suppletion on coronary, pulmonary and systemic haemodynamics, and the chronological sequence of these effects

Conditions and MedDRA coding

Pulmonary Hypertension

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 4

  1. Subject ≥18 years of age
  2. Subject planned for clinically indicated: 1. CFT demonstrating microvascular dysfunction; or 2. RHC (and LHC) for suspected PH; or 3. RHC (and LHC) as a part of HTx or LVAD screening
  3. No obstructive coronary artery disease (defined as ≤50% visual stenosis and/or negative FFR/iFR/RFR)
  4. Able and willing to provide informed consent

Exclusion criteria 8

  1. Estimated glomerular filtration rate of <30ml/min
  2. Known history of chronic obstructive pulmonary disease GOLD IV
  3. Known moderate and severe valvular disease
  4. Clinically indicated treatment with oxygen
  5. Pacemaker in situ
  6. Active pregnancy
  7. Contrast allergy
  8. Complications during clinically indicated invasive heart catheterization

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. CO (l/min) at 10 minutes after the start of each intervention

Secondary endpoints 4

  1. CO (l/min) at baseline and after 5 minutes of each intervention
  2. Q (ml/min), R (Woods Units), PAWP (mmHg), PVR (mmHg/l/min) and SVR (mmHg/l/min) at baseline and 5 and 10 minutes after each intervention
  3. Epicardial and microvascular vasospasm at 10 minutes after the start of each intervention
  4. Chronological order of changes in CO, Q, R, PAWP, PVR and SVR

Investigational products

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

Test 1

Conoxia® Vloeibaar, 100% v/v, medicinaal gas, cryogeen

PRD404300 · Product

Active substance
Oxygen
Pharmaceutical form
MEDICINAL GAS, CRYOGENIC
Route of administration
ORAL
Max daily dose
14400 l litre(s)
Max total dose
14400 l litre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
V03AN01 — -
Marketing authorisation
RVG 100211
MA holder
LINDE GAS THERAPEUTICS BENELUX BV
MA country
Netherlands
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Stichting Radboud universitair medisch centrum

Sponsor organisation
Stichting Radboud universitair medisch centrum
Address
Geert Grooteplein Zuid 10
City
Nijmegen
Postcode
6525 GA
Country
Netherlands

Scientific contact point

Organisation
Stichting Radboud universitair medisch centrum
Contact name
Roland

Public contact point

Organisation
Stichting Radboud universitair medisch centrum
Contact name
Roland

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Netherlands Authorised, recruitment pending 24 1
Rest of world 0

Investigational sites

Netherlands

1 site · Authorised, recruitment pending
Stichting Radboud universitair medisch centrum
Cardiology, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen

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_ Protocol 2024-516279-34-00_redacted 2.0
Recruitment arrangements (for publication) K1_ Recruitment procedure 1
Subject information and informed consent form (for publication) L1_ SIS and ICF CFT_redacted 3
Subject information and informed consent form (for publication) L1_ SIS and ICF LHC_RHC _redacted 3
Subject information and informed consent form (for publication) L1_ SIS and ICF RHC _redacted 3
Summary of Product Characteristics (SmPC) (for publication) G2_ SmPC Oxygen 1
Synopsis of the protocol (for publication) D1_ Protocol synopsis_EN 2024-516279-34-00 1
Synopsis of the protocol (for publication) D1_ Protocol synopsis_NL 2024-516279-34-00 1

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-07-18 Netherlands Acceptable
2024-10-31
2024-10-31