Ceylon Leadwort - Imfinzi (Durvalumab) Interaction
Herbal: Ceylon Leadwort
Drug: Durvalumab
Brand names:
Imfinzi

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
Jun 22, 2025
Interaction Details
Durvalumab is classified as belonging to the following category: Immunosuppressants
Plumbagin, a constituent of Ceylon leadwort, has demonstrated immunosuppressant activity in animal research. Theoretically, Ceylon leadwort might interfere with immunosuppressive therapy. Immunosuppressant drugs include azathioprine (Imuran), basiliximab (Simulect), cyclosporine (Neoral, Sandimmune), daclizumab (Zenapax), muromonab-CD3 (OKT3, Orthoclone OKT3), mycophenolate (CellCept), tacrolimus (FK506, Prograf), sirolimus (Rapamune), prednisone (Deltasone, Orasone), corticosteroids (glucocorticoids), and others.
Interaction Rating
Likelihood of Occurrence
PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
References
- Mandavkar, YD, Jalalpure, SS. A comprehensive review on Plumbago zeylanica Linn. African J. Pharmacy and Pharmacology. 2011;5(25):2738-2747.
- Checker R, Sharma D, Sandur SK, Khanam S, Poduval TB. Anti-inflammatory effects of plumbagin are mediated by inhibition of NF-kappaB activation in lymphocytes. Int Immunopharmacol. 2009 Jul;9(7-8):949-58.
- Jia Y, Jing J, Bai Y, Li Z, Liu L, Luo J, Liu M, Chen H. Amelioration of experimental autoimmune encephalomyelitis by plumbagin through down-regulation of JAK-STAT and NF-?B signaling pathways. PLoS One. 2011;6(10):e27006.
- Poosarla A, D N R, Athota RR, Sunkara VG. Modulation of T cell proliferation and cytokine response by Plumbagin, extracted from Plumbago zeylanica in collagen induced arthritis. BMC Complement Altern Med. 2011 Nov 16;11:114.
Durvalumab Overview
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Durvalumab is used alone to treat non-small cell lung cancer (NSCLC) that spread to nearby tissues and cannot be removed by surgery but has not worsened after being treated with other chemotherapy medications and radiation treatments. It is also used in combination with tremelimumab-actl (Imjudo) and platinum-based chemotherapy to treat a certain type of NSCLC that has spread throughout the lungs and to other parts of the body. Durvalumab injection is also used in combination with chemotherapy agents to treat extensive-stage small cell lung cancer (ES-SCLC) in adults whose cancer has spread throughout the lungs and to other parts of the body. It is also used in combination with chemotherapy agents to treat biliary tract cancer (BTC; cancer in the organs and ducts that make and store bile, the liquid made by the liver) in adults whose cancer has spread to nearby tissues or to other parts of the body. Durvalumab is also used in combination with tremelimumab-actl to treat hepatocellular carcinoma (HCC; a type of liver cancer) that cannot be treated with surgery. Durvalumab injection is in a class of medications called monoclonal antibodies. It works by helping your immune system to slow or stop the growth of cancer cells.
Ceylon Leadwort - More Interactions
Ceylon Leadwort interacts with 1064 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
Unknown | No interactions have been reported or no interaction data is currently available. |
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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Drug descriptions are provided by MedlinePlus.