- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05848713
AntiThrombotic Therapy to Ameliorate Clinical Complications in Community Acquired Pneumonia (ATTACC-CAP)
Study Overview
Detailed Description
The global incidence of hospitalization due to CAP is high and associated with substantive morbidity and mortality. Thrombotic complications - including venous, arterial, and possibly microvascular - occur commonly in hospitalized patients across many etiologies of CAP. Poor outcomes may be mediated by both inflammatory and thrombotic processes leading to respiratory, cardiac, and other end organ dysfunction. There are currently no established therapies that modify the potentially maladaptive immunothrombosis pathway in CAP.
Therapeutic-dose anticoagulation with heparin reduces disease progression and mortality in non-critically ill patients hospitalized with COVID-19 with an acceptable safety profile. COVID-19 shares pathogenic features, including activation of the inflammatory and coagulation cascades, with other pneumonias. Whether therapeutic-dose heparin confers similar clinical benefits in non-COVID-19 CAP is unknown.
Study Type
Enrollment (Estimated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Chantale Pineau
- Phone Number: 2042353223
- Email: attacc.cap@umanitoba.ca
Study Locations
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BA
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Itabuna, BA, Brazil
- Recruiting
- Santa Casa de Misericordia de Itabuna
-
Contact:
- Eduardo Kowalski, MD
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Principal Investigator:
- Eduardo Kowalski, MD
-
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DF
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Brasília, DF, Brazil
- Not yet recruiting
- Hospital Brasilia
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Contact:
- Marina da Silva, MD
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Principal Investigator:
- Marina da Silva, MD
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Brasília, DF, Brazil
- Not yet recruiting
- Hospital Sao Brasilia
-
Contact:
- Mauricio Pompilio, MD
-
Principal Investigator:
- Mauricio Pompilio, MD
-
Brasília, DF, Brazil
- Active, not recruiting
- Instituto de Cardiologia e Transplantes do Distrito Federal
-
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ES
-
Vila Velha, ES, Brazil
- Recruiting
- Hospital Evangélico de Vila Velha
-
Contact:
- Joao Moraes Junior, MD
-
Principal Investigator:
- Joao Moraes Junior, MD
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Vitória, ES, Brazil
- Not yet recruiting
- Hospital Universitario Cassiano Antonio Moraes
-
Contact:
- Felipe Vieira, MD
-
Principal Investigator:
- Felipe Vieira, MD
-
-
GO
-
Goiania, GO, Brazil
- Recruiting
- Instituto Goiano de Oncologia e Hematologia - INGOH
-
Contact:
- Mayler Santos, MD
-
Principal Investigator:
- Mayler Santos, MD
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Goiânia, GO, Brazil
- Not yet recruiting
- Hospital de Messejana Dr. Carlos Alberto Studart Gomes
-
Contact:
- Sandra Nivea dos Reis Saraiva, MD
-
Principal Investigator:
- Sandra Navea do Reis Saraiva, MD
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Goiânia, GO, Brazil
- Not yet recruiting
- Hospital Ruy Azeredo
-
Contact:
- Rafael Bastos, MD
-
Principal Investigator:
- Rafael Bastos, MD
-
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MG
-
Belo Horizonte, MG, Brazil
- Recruiting
- Hospital Felício Rocho
-
Contact:
- Ana Carolina Procopio
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Principal Investigator:
- Ana Carolina Procopio, MD
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Belo Horizonte, MG, Brazil
- Not yet recruiting
- NUPEC-Orizonti
-
Contact:
- Fernando Neuenschwander, MD
-
Principal Investigator:
- Fernando Neuenschwander, MD
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MS
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Campo Grande, MS, Brazil
- Recruiting
- Hospital do Coração - MS
-
Contact:
- Mauricio Pompilio, MD
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Principal Investigator:
- Mauricio Pompilio, MD
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PR
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Curitiba, PR, Brazil
- Recruiting
- Hospital Santa Cruz
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Contact:
- Marcelo Carneiro, MD
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Principal Investigator:
- Marcelo Carneiro, MD
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Curitiba, PR, Brazil
- Recruiting
- PUCPR
-
Contact:
- Jose Ribas Fortes, MD
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Principal Investigator:
- Jose Ribas Forte, MD
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RS
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Lajeado, RS, Brazil
- Not yet recruiting
- Hospital Bruno Born
-
Contact:
- Lucas Mallmann, MD
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Principal Investigator:
- Lucas Mallmann, MD
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Passo Fundo, RS, Brazil
- Recruiting
- Hospital São Vicente de Paulo
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Contact:
- Alexandre Tognon, MD
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Principal Investigator:
- Alexandre Tognon
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Porto Alegre, RS, Brazil
- Not yet recruiting
- Hospital de Clínicas de Porto Alegre
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Contact:
- Paulo Dalcin, MD
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Principal Investigator:
- Paulo Dalcin, MD
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Santa Maria, RS, Brazil
- Not yet recruiting
- Hospital Universitário de Santa Maria
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Contact:
- Ariovaldo Fagudes, MD
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Principal Investigator:
- Ariovaldo Fagudes, MD
-
-
SC
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Criciúma, SC, Brazil
- Recruiting
- Hospital Sao Jose
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Contact:
- Felipe Pizzol, MD
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Principal Investigator:
- Felipe Pizzol, MD
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São José, SC, Brazil
- Recruiting
- Hospital Regional Homero Miranda Gomes
-
Contact:
- Bruno Kroeff Bergesch, MD
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Principal Investigator:
- Bruno Kroeff Bergesch, MD
-
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SP
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Bauru, SP, Brazil
- Not yet recruiting
- Hospital de Reabilitacao de Anomalias Craniofaciais
-
Contact:
- Lucas Soler, MD
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Principal Investigator:
- Lucas Soler, MD
-
Botucatu, SP, Brazil
- Recruiting
- UPECLIN - Unidade de Pesquisa Clínica da Faculdade de Medicina de Botucatu
-
Contact:
- Suzana Erico Tanni, MD
-
Principal Investigator:
- Suzana Erico Tanni, MD
-
Campinas, SP, Brazil
- Recruiting
- IPECC
-
Contact:
- Jose Francisco Kerr Saraiva, MD
-
Principal Investigator:
- Jose Francisco Kerr Saraiva, MD
-
Presidente Prudente, SP, Brazil
- Not yet recruiting
- Hospital Regional de Presidente Prudente
-
Contact:
- Luis Felipe Pires, MD
-
Principal Investigator:
- Luis Felipe Pires, MD
-
Ribeirão Preto, SP, Brazil
- Not yet recruiting
- Hospital Estadual de Serrana
-
Contact:
- Marcos Borges, MD
-
Principal Investigator:
- Marcos Borges, MD
-
São Paulo, SP, Brazil
- Not yet recruiting
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
-
Contact:
- Julio Alencar, MD
-
Principal Investigator:
- Julio Alencar, MD
-
São Paulo, SP, Brazil
- Not yet recruiting
- Santa Casa de Misericordia de Sao Paulo
-
Contact:
- Ricardo Chinarelli, MD
-
Principal Investigator:
- Ricardo Chinarelli, MD
-
-
Sao Paulo
-
Bragança Paulista, Sao Paulo, Brazil
- Recruiting
- Hospital Universitario Sao Francisco na Providencia na Deus
-
Contact:
- Gustavo Mamprin, MD
-
Principal Investigator:
- Gustavo Mamprin, MD
-
Osasco, Sao Paulo, Brazil
- Recruiting
- CiTen - Centro Hospital Municipal Antonio Giglio
-
Contact:
- Enrico Fortunato, MD
-
Principal Investigator:
- Enrico Fortunato, MD
-
-
-
-
Alberta
-
Calgary, Alberta, Canada, T2N 2T9
- Not yet recruiting
- Foothills Medical Centre
-
Contact:
- Deepa Suryanarayan, MD
- Phone Number: 4039448167
- Email: dsuryana@ucalgary.ca
-
Principal Investigator:
- Deepa Suryanarayan, MD
-
-
British Columbia
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Nanaimo, British Columbia, Canada
- Not yet recruiting
- Nanaimo Regional General Hospital
-
Contact:
- Alistair Teale, MD
-
Principal Investigator:
- Alistair Teale, MD
-
Vancouver, British Columbia, Canada, V5Z 1M9
- Not yet recruiting
- Vancouver General Hospital
-
Principal Investigator:
- Ted Steiner, MD
-
Contact:
- Ted Steiner, MD
-
-
Manitoba
-
Winnipeg, Manitoba, Canada
- Recruiting
- St. Boniface General Hospital
-
Contact:
- Vi Dao, MD
-
Principal Investigator:
- Terry Wuerz, MD
-
Principal Investigator:
- Vi Dao, MD
-
Winnipeg, Manitoba, Canada, R3A 1R9
- Recruiting
- Health Sciences Center Winnipeg
-
Contact:
- Brett Houstin, MD
-
Winnipeg, Manitoba, Canada
- Recruiting
- Grace General Hospital
-
Contact:
- Sylvain Lother, MD
- Email: sylvain.lother@umanitoba.ca
-
Principal Investigator:
- Sylvain Lother, MD
-
-
Newfoundland and Labrador
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Saint John's, Newfoundland and Labrador, Canada, A1C 5S7
- Not yet recruiting
- Memorial University
-
Contact:
- Peter Daley, MD
-
Principal Investigator:
- Peter Daley, MD
-
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Ontario
-
Hamilton, Ontario, Canada
- Not yet recruiting
- Hamilton Health Sciences
-
Contact:
- Alison Fox-Robichaud, MD
-
Principal Investigator:
- Alison Fox-Robichaud, MD
-
Hamilton, Ontario, Canada
- Not yet recruiting
- Hamilton Health Sciences - Juravinski
-
Principal Investigator:
- Dominik Mertz, MD
-
Principal Investigator:
- Bram Rochwerg, MD
-
Contact:
- Bram Rochwerg, MD
-
Kingston, Ontario, Canada, K7L 2V7
- Not yet recruiting
- Kingston General Hospital
-
Contact:
- Barbara Antuna-Puente
-
Principal Investigator:
- Santiago Perez-Patrigeon, MD
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Markham, Ontario, Canada, L3P 7P3
- Not yet recruiting
- Markham Stouffville Hospital
-
Principal Investigator:
- Paul Lee, MD
-
Contact:
- Paul Lee, MD
-
Principal Investigator:
- Janet Nguyen, MD
-
Ottawa, Ontario, Canada
- Not yet recruiting
- The Ottawa Hospital
-
Contact:
- Lana Castellucci, MD
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Ottawa, Ontario, Canada
- Not yet recruiting
- Hôpital Montfort
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Contact:
- Marc Carrier, MD
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St. Catherines, Ontario, Canada, L2S 0A9
- Recruiting
- Niagara Health System - St Catharines Site
-
Contact:
- Aidan Findlater, MD
- Email: Aidan.Findlater@niagarahealth.on.ca
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Principal Investigator:
- Aidan Findlater, MD
-
Toronto, Ontario, Canada, M4N 3M5
- Not yet recruiting
- Sunnybrook Health Sciences Centre
-
Contact:
- Jonathan Zipursky, MD
-
Principal Investigator:
- Jonathan Zipursky, MD
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Toronto, Ontario, Canada, M5G2C4
- Not yet recruiting
- University Health Network
-
Principal Investigator:
- Jameel Abdulrehman, MD
-
Contact:
- Jameel Abdulrehman, MD
-
-
Quebec
-
Montréal, Quebec, Canada
- Not yet recruiting
- Jewish General Hospital
-
Contact:
- Susan Khan, MD
-
Contact:
- Vicky Tagalakis, MD
-
Montréal, Quebec, Canada, H4A3J1
- Not yet recruiting
- McGill University Health Centre
-
Contact:
- Emily Gibson McDonald, MD, MSc
-
Montréal, Quebec, Canada
- Not yet recruiting
- Centre Hospitalier de l'Université de Montréal (CHUM)
-
Contact:
- Emmanuelle Duceppe, MD
-
Québec, Quebec, Canada
- Recruiting
- Institut universitaire de cardiologie et de pneumologie de Québec (IUCPQ)
-
Contact:
- Francois Lallouche, MD
-
Québec, Quebec, Canada
- Recruiting
- CHU de Quebec-University Laval
-
Contact:
- Alexis Turgeon, MD, MSc
-
Sherbrooke, Quebec, Canada
- Not yet recruiting
- Centre Hospitalier Universitaire de Sherbrooke
-
Principal Investigator:
- Francois Lamontagne, MD
-
Contact:
- Francois Lamontagne, MD
-
-
-
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Illinois
-
Chicago, Illinois, United States, 60637
- Not yet recruiting
- University of Chicago
-
Contact:
- Jonathan Paul, MD
-
-
Louisiana
-
Jefferson, Louisiana, United States, 70121
- Not yet recruiting
- Ochsner Clinic
-
Contact:
- Mark Effron, MD
-
-
Maine
-
Portland, Maine, United States, 04102
- Not yet recruiting
- Maine Medical Center
-
Contact:
- Daniel Meyer, MD
-
Portland, Maine, United States, 04102
- Not yet recruiting
- Maine Medical Centre
-
Contact:
- Daniel Meyer, MD
-
Principal Investigator:
- Daniel Meyer, MD
-
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Michigan
-
Dearborn, Michigan, United States, 48128
- Recruiting
- Henry Ford University
-
Contact:
- Scott Kaatz, MD
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients ≥18 years of age
Admitted to hospital for a suspected or confirmed diagnosis of CAP defined by:
- Radiographic evidence of new or worsening infiltrate
- One or more of the following signs and/or symptoms of lower respiratory tract infection
i. New or increased cough or sputum production ii. Fever of > 37.8C or temperature < 36C iii. WBC > 11 x 109/L or < 4 x 109/L c. The primary diagnosis is believed to be CAP as per the attending physician
- Requires supplemental oxygen to treat hypoxemia (or requires an increased level of supplemental oxygen if on chronic oxygen therapy)
- Hospital admission anticipated to last ≥72 hours from randomization
Exclusion Criteria:
- Suspected or confirmed active COVID-19 infection
- Hospital admission for >72 hours prior to randomization
- Patients receiving non-invasive or invasive ventilation, vasopressors, or extracorporeal life support (ECLS) within an ICU at the time of enrollment
- Requirement for chronic mechanical ventilation via tracheostomy prior to hospitalization
- Patients for whom the intent is to not use pharmacologic thromboprophylaxis
- Patients with an independent indication for therapeutic-dose anticoagulation
Patients with a contraindication to therapeutic-dose anticoagulation, including:
- Non-traumatic bleeding that requires medical evaluation or hospitalization within 30 days prior to CAP hospital admission
- History of an inherited or acquired bleeding disorder
- Cerebral aneurysm or mass lesions of the central nervous system
- Ischemic stroke within 3 months of hospital admission
- Gastrointestinal bleeding within 3 months of hospital admission
- Platelet count <50 x109/L OR INR >2.0 OR hemoglobin <80 g/L at the time of screening
- Other physician-perceived contraindications to therapeutic anticoagulation
- History of heparin induced thrombocytopenia (HIT) or other heparin allergy
- Current or recent (within 7 days of screening) use of dual anti-platelet inhibitors (For example; Aspirin + one of the following; clopidogrel, ticagrelor, prasugrel)
- Patients in whom imminent death is anticipated
- Anticipated transfer to another hospital that is not a study site within 72 hours of randomization
- Enrollment in other interventional trials related to anticoagulation or antiplatelet therapy during current hospitalization
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Therapeutic-Dose Heparin
Participants randomized to the investigational arm will receive a pragmatic strategy of therapeutic-dose low molecular-weight heparin (LMWH) or unfractionated heparin (UFH) administered daily for up to 14 days or until hospital discharge, whichever occurs first.
Participants should start receiving study drug as soon as possible following randomization.
|
Preference is for LMWH given ease of administration and possibility of a more favorable safety profile, if no contraindication is present. Enoxaparin, dalteparin, or tinzaparin are acceptable LMWHs to be used for patients in the investigational arm and dose should be based on measured or estimated weight of the patient. Alternatively, intravenous UFH may be used and may be preferred in the presence of significant renal compromise. Intravenous UFH is typically dosed according to total body weight and pragmatically adjusted according to local institutional policy to achieve an activated partial thromboplastin time (aPTT) of 1.5-2.5x the reference value, or a corresponding UFH anti-Xa level. If UFH is used, the availability of a local site policy that specifies an aPTT target in this range or a corresponding anti-Xa value is a requirement. |
No Intervention: Usual Care
Participants randomized to the control arm will receive usual care thromboprophylactic dose anticoagulation according to local practice.
To ensure adequate separation between the study groups, the dose of heparin/LMWH used in the usual care arm should not equal more than half of the approved therapeutic dose for that agent according to local VTE treatment protocols.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ordinal endpoint reflecting survival
Time Frame: 30 days
|
Survival to hospital discharge without ICU-level organ support.
Organ support is defined as receipt of high flow nasal oxygen, invasive or non-invasive mechanical ventilation, vasopressor/inotropic therapy, or extracorporeal life support (ECLS) within an ICU.
This outcome reflects disease progression to ICU-level organ failure or the worst possible outcome (death).
It was chosen because of its importance to patients, clinicians, and other stakeholders.
Given the limited number of ICU beds, reducing the burden of critical illness has important health system capacity implications.
|
30 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Bleeding events
Time Frame: 14 days
|
Number of participants with major bleeds as defined by the ISTH definition.
|
14 days
|
HIT events
Time Frame: 14 days
|
Number of participants with laboratory confirmed heparin induced thrombocytopenia (HIT)
|
14 days
|
Thrombotic events
Time Frame: 30 days and 90 days
|
Number of participants with deep vein thrombosis, pulmonary embolism, systemic arterial thromboembolism, myocardial infarction, or ischemic stroke
|
30 days and 90 days
|
Invasive mechanical ventilation
Time Frame: 30 days
|
Ordered categorical endpoint with three possible outcomes based on the worst status of each patient through day 30 following randomization
|
30 days
|
All cause mortality
Time Frame: 30 days, 90 days, and 180 days
|
30 days, 90 days, and 180 days
|
|
Hospital-free days
Time Frame: 30 days, 90 days, and 180 days
|
Days alive outside hospital
|
30 days, 90 days, and 180 days
|
Health related quality of life
Time Frame: 30 days, 90 days, and 180 days
|
Using the EQ-5D-5L instrument
|
30 days, 90 days, and 180 days
|
Health related quality of life
Time Frame: 30 days, 90 days, and 180 days
|
Using the Clinical Frailty Scale instrument
|
30 days, 90 days, and 180 days
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Patrick Lawler, MD, University Health Network and McGill University
- Principal Investigator: Sylvain Lother, MD, University of Manitoba
- Principal Investigator: Alexis Turgeon, MD, L'Universite Laval
- Principal Investigator: Ryan Zarychanski, MD, University of Manitoba
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- ATTACC-CAP
- OZM-129 (Other Identifier: Ozmosis Research Inc.)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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