Ottawa Hospital Research Institute
Clinical trials sponsored by Ottawa Hospital Research Institute, explained in plain language.
-
Which blood thinner is safer? new study seeks answers
Disease control CompletedThis small pilot study aimed to see if a larger trial comparing two newer blood thinners (rivaroxaban and apixaban) for treating serious blood clots was possible. It enrolled 72 adults with newly diagnosed clots in their legs or lungs. The main goal was to test the process for a …
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Apr 01, 2026 14:42 UTC
-
Breast reconstruction study tests if cheaper surgical mesh works as well as expensive option
Disease control CompletedThis study directly compared two different surgical mesh materials used to support breast implants during reconstruction surgery after mastectomy. Researchers wanted to see if a less expensive mesh performed as well as a more expensive one in terms of healing, complications, and …
Phase: NA • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 30, 2026 14:30 UTC
-
Study tests if one bone drug dose is as good as many for breast cancer patients
Disease control CompletedThis trial aimed to find the best schedule for giving zoledronate, a drug that strengthens bones and may help prevent cancer from spreading there. It compared giving just one dose versus giving a dose every six months for three years to over 200 patients with early-stage breast c…
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 30, 2026 14:27 UTC
-
Paramedics may skip neck braces for many patients, study finds
Disease control CompletedThis study tested whether paramedics could use a simple checklist (the Canadian C-Spine Rule) to decide which trauma patients with possible neck injuries need to be transported with full spinal immobilization. It involved over 3,600 patients across Ontario and aimed to reduce unn…
Phase: NA • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 25, 2026 14:09 UTC
-
Head-to-Head blood thinner safety showdown: which drug causes less bleeding?
Disease control CompletedThis study directly compared two common blood thinners, apixaban and rivaroxaban, to see which causes fewer serious bleeding problems when treating dangerous blood clots in the legs or lungs. Over 2,700 adults with newly diagnosed clots participated in this real-world trial. Rese…
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 23, 2026 15:28 UTC
-
Can when you eat and what you see calm a manic mind?
Disease control CompletedThis small pilot study explored whether two non-drug therapies could help people hospitalized for manic episodes of bipolar disorder. Researchers tested if restricting eating to a 10-hour daytime window and/or wearing glasses that block blue light could improve manic symptoms and…
Phase: NA • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 23, 2026 15:18 UTC
-
Study tests less frequent Check-Ups for breast cancer survivors
Disease control CompletedThis study compared two different follow-up care plans for people who had finished their main breast cancer treatment. It tested whether a personalized schedule, potentially with fewer clinic visits, was as good as a standard guideline-based schedule. The main goal was to see if …
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Disease control
Last updated Mar 20, 2026 14:47 UTC
-
New tool aims to stop misdiagnosis of dangerous repeat blood clots
Diagnosis CompletedThis study tested a set of questions and a blood test (a 'clinical decision rule') to help doctors more accurately diagnose a new blood clot in patients who have had one before. It involved 744 adult outpatients who were suspected of having a repeat clot. The goal was to see if t…
Sponsor: Ottawa Hospital Research Institute • Aim: Diagnosis
Last updated Mar 23, 2026 15:15 UTC
-
App aims to crack the code on cancer treatment hot flashes
Symptom relief CompletedThis study tested whether a patient portal app called MyChart could be used to help find the best ways to manage hot flashes caused by breast cancer treatments. Researchers enrolled 56 breast cancer patients experiencing hot flashes to see if they could use the app to track their…
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Symptom relief
Last updated Apr 02, 2026 02:42 UTC
-
Morning or night? study tests timing to ease breast cancer pill side effects
Symptom relief CompletedThis study aimed to find the best time of day to take hormone therapy pills for breast cancer to reduce side effects and help patients continue their treatment. Researchers compared taking the medication in the morning versus the evening in 245 patients with early-stage breast ca…
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Symptom relief
Last updated Apr 01, 2026 14:43 UTC
-
Virtual 'Prehab' program aims to get surgery patients home faster
Symptom relief CompletedThis study tested whether an online training program before surgery helps patients recover better. 144 adults scheduled for major operations were randomly assigned to either follow the online program or receive usual care. The program included guided exercise, nutrition advice, a…
Phase: NA • Sponsor: Ottawa Hospital Research Institute • Aim: Symptom relief
Last updated Apr 01, 2026 14:43 UTC
-
Breast cancer Drug's heart risk: finding the best checkup schedule
Knowledge-focused CompletedThis study aimed to find the best schedule for checking heart health in patients receiving trastuzumab, a life-saving breast cancer drug that can sometimes weaken the heart. Researchers compared two different standard monitoring plans in 200 patients with early-stage breast cance…
Phase: PHASE4 • Sponsor: Ottawa Hospital Research Institute • Aim: Knowledge-focused
Last updated Mar 31, 2026 12:10 UTC
-
Can a free online tool replace a $4,000 cancer test?
Knowledge-focused CompletedThis study observed whether giving doctors access to free online prediction tools changed how often they ordered an expensive genetic test (Oncotype DX) for patients with early-stage breast cancer. Researchers tracked 602 patients and surveyed their doctors to understand decision…
Sponsor: Ottawa Hospital Research Institute • Aim: Knowledge-focused
Last updated Mar 10, 2026 12:52 UTC