Red Maple Trials

02/20/2026

After 15 years serving the allergy community, Red Maple Trials has closed operations. We are profoundly grateful to our clients, partners and patients for their support and for the meaningful work we were able to accomplish together.

10/24/2025

A Phase 2, randomized, double-blind, placebo-controlled study to investigate the safety and efficacy in reducing nasal allergen challenge provoked symptoms of treatment with DM-101PX in adults with birch pollen allergic rhinitis or rhinoconjunctivitis.

The overall purpose of the study is to evaluate the safety and tolerability of treatment with DM-101PX and its efficacy in reducing symptoms provoked by Nasal Allergen Challenge (NAC) with birch pollen extract in individuals with moderate to severe birch pollen-induced allergic rhinitis or rhinoconjunctivitis.

Please click on the link below if you are interested in the study:

birch allergy, allergies

09/11/2025

Pre-Screening Study for Participants With Environmental Allergies (including birch) for Future Participation in Research Studies.

The objective of this pre-screening protocol is to pre-screen and confirm eligibility of participants with a documented history of moderate to severe environmental allergic rhinitis/rhinoconjunctivitis due to birch pollen exposure, for participation in clinical studies involving birch allergen-specific immunotherapy at Red Maple Trials.

birch allergy, allergies

09/08/2025

A Pre-Screening Study to Conduct a Future Clinical Study in Participants Allergic to Common Ragweed (Ambrosia artemisiifolia).
This pre-screening study will identify and characterize a patient population with a history of ragweed-induced rhinoconjunctivitis who may benefit from treatment and potentially be included in future interventional studies.
Please click on the link below if you are interested in the study:

A Pre-Screening Study to Conduct a Future Clinical Study in Participants Allergic to Common Ragweed (Ambrosia artemisiifolia)If you are interested in participating in this clinical trial, please fill out the contact form below to speak to one of our Research Coordinators to find out if this study is...

01/31/2025

A Pre-Screening Study to Conduct a Future Clinical Study in Participants Allergic to Common Ragweed (Ambrosia artemisiifolia).

This pre-screening study will identify and characterize a patient population with a history of ragweed-induced rhinoconjunctivitis who may benefit from treatment and potentially be included in future interventional studies.

Please click on the link below if you are interested in the study:

https://www.redmapletrials.com/ragweed

01/31/2025

Evaluating an investigational treatment in reducing ocular allergy signs and symptoms in participants with cat allergy.

https://www.redmapletrials.com/research/currentstudies/alg2416

04/10/2024

Learn about the VALIANT asthma study. This study is now enrolling adult
participants 18 to 75 years of age with severe asthma. Click to see study details

VALIANT Asthma studyIf you are interested in participating in this clinical trial, please fill out the contact form to speak to one of our Research Coordinators to find out if this study is right for you. The VALIANT studyThe VALIANT study is evaluating a study drug given every 12 weeks to adult par...

11/14/2023

A dermatologic study is enrolling participants in Ottawa to discover new treatment to
improve chronic hives.

See if you may qualify for this trial.

https://www.redmapletrials.com/research/currentstudies/calm-csu

06/15/2023

What’s next in the fight against COVID-19? The NextCOVE Study is researching an investigational vaccine that may help protect against multiple variants of COVID-19 for individuals ages 12 to 17 who have received a COVID-19 vaccine and individuals ages 18 and older who have received a COVID-19 vaccine and at least 1 booster dose of a COVID-19 vaccine.

See if you or your child may qualify for this important trial.
Learn more at

The purpose of the NextCOVE Study is to evaluate an investigational bivalent vaccine that may protect people from getting sick if they come into contact with the virus that causes COVID-19 and multiple variants, including the Omicron variant.

12/23/2022

Wishing you a safe and happy holiday season.

12/07/2022

COVID-19 Vaccine Survey StudyIf you are interested in participating in this clinical trial, please fill out and submit the quick questionnaire below.   Researchers are looking for volunteers to complete the VIP Survey each night - for up to one week following their COVID-19 vaccination appointment ...