Trelstar and Duragesic drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Trelstar (triptorelin pamoate) and Duragesic (fentanyl). Common drug interactions include back pain among males.
The phase IV clinical study analyzes what interactions people have when they take Trelstar and Duragesic. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.
What is Trelstar?
Trelstar has active ingredients of triptorelin pamoate. eHealthMe is studying from 1,506 Trelstar users. Check the latest studies of Trelstar.
What is Duragesic?
Duragesic has active ingredients of fentanyl. eHealthMe is studying from 66,597 Duragesic users. Check the latest studies of Duragesic.
13 people who take Trelstar and Duragesic together, and have interactions are studied.

What are the common drug interactions of Trelstar and Duragesic, by gender? *:
female:
n/a
male:
- Back pain
- Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
- Joint injury
- Metastases to bone (cancer spreads to bone)
- Muscular weakness (muscle weakness)
- Oedema peripheral (superficial swelling)
- Pain
- Pain in extremity
- Prostatic specific antigen increased
- Radiculitis lumbosacral (inflammation of nerve root at labosacral vertebrea)
What are the common drug interactions of Trelstar and Duragesic, by age (0-1 to 60+)? *:
0-1:
n/a
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
n/a
40-49:
n/a
50-59:
n/a
60+:
- Back pain
- Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
- Joint injury
- Metastases to bone (cancer spreads to bone)
- Micturition urgency (urgency to pass the urine)
- Muscular weakness (muscle weakness)
- Nocturia (the need to get up in the night to urinate)
- Oedema peripheral (superficial swelling)
- Osteonecrosis of jaw (death of bone of jaw)
- Pain
What are the existing conditions these people have? *
- Sleep Disorder: 10 people, 76.92%
- Metastases To Bone (cancer spreads to bone): 10 people, 76.92%
- Prostate Cancer: 2 people, 15.38%
- Nausea (feeling of having an urge to vomit): 2 people, 15.38%
- Pain: 1 person, 7.69%
- Constipation: 1 person, 7.69%
- Cancer Pain: 1 person, 7.69%
* Approximation only. Some reports may have incomplete information.
Do you take Trelstar and Duragesic?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously
Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
Browse all drug interactions of Trelstar and Duragesic:
a b c d e f g h i j k l m n o p q r s t u v w x y zSub-studies by gender and age:
Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Browse all side effects of Trelstar:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all side effects of Duragesic:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Trelstar and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zBrowse all interactions between Duragesic and drugs from A to Z:
a b c d e f g h i j k l m n o p q r s t u v w x y zHow the study uses the data?
The study uses data from the FDA. It is based on triptorelin pamoate and fentanyl (the active ingredients of Trelstar and Duragesic, respectively), and Trelstar and Duragesic (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.
How to use the study?
DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.
Who is eHealthMe?
With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).
WARNING, DISCLAIMER, USE FOR PUBLICATION
WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.
DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.
If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.
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