Symptomatic Trial of Angina Assessment Prior to Revascularization
ORBITA-STAR
1 other identifier
observational
80
1 country
2
Brief Summary
The principal objective of this research is to determine whether symptoms, induced by confirmed experimental ischaemia, can help us predict which patients will respond to PCI.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Jan 2020
Typical duration for all trials
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 16, 2020
CompletedFirst Submitted
Initial submission to the registry
February 13, 2020
CompletedFirst Posted
Study publicly available on registry
February 21, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2023
CompletedSeptember 22, 2023
September 1, 2023
3.3 years
February 13, 2020
September 21, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Placebo controlled similarity score during low pressure balloon occlusion of the coronary artery
Similarity Score (1-10) (Higher Score = Better Outcome)
30 Days
Secondary Outcomes (10)
Change in angina symptom score
30 Days
Change in treadmill exercise time
30 Days
Change in treadmill time to chest pain
30 Days
Angina severity as assessed by Canadian Cardiovascular Society Class
30 Days
Physical limitation, angina stability, quality of life, angina frequency, freedom from angina as assessed with the Seattle Angina Questionnaire.
30 Days
- +5 more secondary outcomes
Interventions
Coronary artery stenting for stable angina
Eligibility Criteria
Patients diagnosed with single-vessel coronary artery disease with symptoms of stable angina
You may qualify if:
- Angina or angina-equivalent symptoms
- Anatomical evidence of a significant single vessel coronary stenosis on diagnostic coronary angiography indicating ≥ 70% stenosis
- Referred for percutaneous coronary intervention for treatment of stable angina
You may not qualify if:
- Age younger than 18
- Age older than 85
- Recent acute coronary syndrome
- Multivessel coronary artery disease
- Previous coronary artery bypass graft surgery
- Significant left main stem coronary disease
- Chronic total occlusion in the target vessel
- Contraindication to percutaneous coronary intervention or drug-eluting stent implantation
- Contraindication to antiplatelet therapy
- Contraindication to adenosine infusion
- Severe valvular disease
- Severe LV systolic impairment
- Severe respiratory disease
- Life expectancy less than 2 years, pregnancy, unable to consent
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Imperial College Londonlead
- Imperial College Healthcare NHS Trustcollaborator
- Mid and South Essex NHS Foundation Trustcollaborator
Study Sites (2)
Essex Cardiothoracic Centre, Basildon and Thurrock University Hospitals NHS Trust
Basildon, Essex, United Kingdom
Imperial College Healthcare NHS Trust
London, W12 0HS, United Kingdom
Related Publications (2)
Rajkumar CA, Foley MJ, Ahmed-Jushuf F, Chotai S, Simader FA, Mohsin M, Salih A, Ganesananthan S, Bual N, Petraco R, Nijjer SS, Sen S, Sehmi J, Ruparelia N, Dungu JN, Kabir A, Tang K, Gamma R, Davies JR, Kotecha T, Cole GD, Howard JP, Keeble TR, Clesham GJ, O'Kane PD, Harrell FE Jr, Francis DP, Shun-Shin MJ, Al-Lamee RK. The Role of the Collateral Circulation in Stable Angina: An Invasive Placebo-Controlled Study. Circulation. 2025 Dec 2;152(22):1541-1551. doi: 10.1161/CIRCULATIONAHA.125.074687. Epub 2025 Oct 27.
PMID: 41144984DERIVEDRajkumar CA, Foley MJ, Ahmed-Jushuf F, Simader FA, Mohsin M, Ganesananthan S, Nowbar AN, Chotai S, Sen S, Petraco R, Nijjer SS, Sehmi J, Ruparelia N, Dungu JN, Kabir A, Tang K, Gamma R, Davies JR, Kotecha T, Cole GD, Howard JP, Keeble TR, Clesham G, O'Kane PD, Harrell FE Jr, Francis DP, Shun-Shin MJ, Al-Lamee RK. N-of-1 Trial of Angina Verification Before Percutaneous Coronary Intervention. J Am Coll Cardiol. 2024 Jul 2;84(1):1-12. doi: 10.1016/j.jacc.2024.04.001. Epub 2024 May 14.
PMID: 38752902DERIVED
Biospecimen
Serum troponin samples
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 13, 2020
First Posted
February 21, 2020
Study Start
January 16, 2020
Primary Completion
May 1, 2023
Study Completion
May 1, 2023
Last Updated
September 22, 2023
Record last verified: 2023-09
Data Sharing
- IPD Sharing
- Will not share