Tripterygium wilfordii (Tripterygium wilfordii): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Tripterygium wilfordii work to reduce inflammation?

Tripterygium wilfordii contains active compounds, primarily triptolide and celastrol, that exert anti-inflammatory effects through multiple pathways. These compounds inhibit nuclear factor-kappa B (NF-κB) signaling, suppress pro-inflammatory cytokines like TNF-alpha and interleukin-6, and reduce T-cell proliferation. Additionally, they inhibit cyclooxygenase-2 (COX-2) expression. This multi-target mechanism makes the herb potentially effective for autoimmune conditions, though evidence remains at Level C, requiring more rigorous human clinical trials to fully establish efficacy.

Can Tripterygium wilfordii be taken with immunosuppressant medications?

No, Tripterygium wilfordii should not be combined with immunosuppressant medications. This herb possesses potent immunosuppressive properties, and combining it with drugs like methotrexate, cyclosporine, or corticosteroids may cause excessive immune suppression, significantly increasing infection risk. Additionally, Tripterygium wilfordii can cause bone marrow suppression and renal toxicity, effects that may compound similar side effects from conventional immunosuppressants. Patients should always consult a qualified healthcare provider before combining this herb with any prescription medications.

What is the recommended dosage of Tripterygium wilfordii for rheumatoid arthritis?

There is no established safe over-the-counter dosage for Tripterygium wilfordii due to its narrow therapeutic window and significant toxicity risks. In clinical settings, extracts standardized to triptolide content are used strictly under medical supervision, typically starting at very low doses with careful titration. Traditional Chinese medicine preparations vary considerably in potency. Self-medication is strongly discouraged given the risk of serious adverse effects. This herb should only be used under guidance of a qualified healthcare practitioner experienced with its toxicity profile.

Is Tripterygium wilfordii safe to take during pregnancy or breastfeeding?

No, Tripterygium wilfordii is absolutely contraindicated during pregnancy and breastfeeding. The herb contains triptolide and related compounds that are highly toxic and can cause fetal harm, miscarriage, and birth defects. Animal studies have demonstrated clear teratogenic effects. These toxic compounds can also pass into breast milk, making breastfeeding unsafe while taking this herb. Women of childbearing age should use reliable contraception during treatment. If pregnancy occurs while taking Tripterygium wilfordii, discontinue immediately and consult a healthcare provider.

What are the serious side effects of Tripterygium wilfordii?

Tripterygium wilfordii carries significant toxicity risks that limit its use. Serious side effects include male infertility through reduced sperm production, which may be irreversible after prolonged use. Bone marrow suppression can lead to decreased blood cell counts, increasing infection and bleeding risks. Gastrointestinal toxicity includes nausea, vomiting, and diarrhea. Cardiac toxicity and renal impairment have also been reported. The therapeutic window is narrow, meaning effective doses approach toxic levels. This herb should only be used under qualified medical supervision with regular monitoring of blood counts, kidney function, and cardiac status.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Tripterygium wilfordii, known as thunder god vine, is a traditional Chinese medicinal herb used primarily for autoimmune and inflammatory diseases [PMID:42264397, PMID:32253838].

Contexte

It is a perennial woody vine of the Celastraceae family predominantly distributed in southern China [PMID:42264397, PMID:36188665].

Usages traditionnels

It has been used in traditional Chinese medicine (TCM) for centuries to treat inflammatory diseases, autoimmune diseases, and kidney disease [PMID:42264397, PMID:30604167, PMID:32253838].

Composés actifs

Major bioactive compounds include triptolide (a diterpene triepoxide) and celastrol (a quinone methide triterpene) [PMID:32323812, PMID:42264397, PMID:35784734]. Other constituents include terpenoids, demethylzeylasteral, sesquiterpene pyridine alkaloids, and various diterpenoids [PMID:42264397, PMID:36244595, PMID:36364101, PMID:10579865].

Mécanisme d'action

The herb acts via immunomodulation and anti-inflammatory pathways. Celastrol inhibits IKK-NF-kappaB signaling, inactivates Cdc37 and p23 proteins, inhibits proteasomes, and activates HSF1 [PMID:20226165]. Triptolide inhibits NF-kappaB, the RANK/RANKL/osteoprotegerin pathway, cyclooxygenase-2, and matrix metalloproteases [PMID:32323812]. Other mechanisms include the modulation of autophagy [PMID:30178091], inhibition of angiogenesis in rheumatoid arthritis [PMID:28599756], and downregulation of interferon response by targeting IRF3 activation [PMID:32565148].

Preuves cliniques

Preuve BRheumatoid Arthritis

Demonstrated efficacy in improving symptoms and controlling disease activity [PMID:33123015, PMID:9144848].

Preuve AGlomerulonephritis

Poly-glycosides improved patient outcomes, total remission rates, and reduced 24-h urine protein and relapse events [PMID:38841368].

Preuve CPsoriasis

Clinical studies showed dramatic decreases in Psoriasis Area and Severity Index (PASI) and relief from itching and dryness [PMID:38144417].

Preuve CMalignancies

Triptolide has shown potential to inhibit tumor cell proliferation, migration, and invasion in lung, pancreatic, and colon cancers [PMID:29970675].

Sécurité et effets indésirables

The herb is associated with multi-organ toxicity, including liver injury (reported in 11.4% of patients) [PMID:40306497, PMID:33296090] and nephrotoxicity affecting renal proximal tubules [PMID:32245589]. Other adverse reactions include gastrointestinal responses [PMID:38144417].

Synthèse des preuves

Evidence ranges from high-level systematic reviews for specific kidney conditions to review-level summaries for RA and cancer; however, clinical use is significantly limited by documented multi-organ toxicity.

Sources PubMed

1.PMID: 32323812 (2020) — Therapeutic targets of thunder god vine (Tripterygium wilfordii hook) in rheumatoid arthritis (Review). · Molecular medicine reports
2.PMID: 42264397 (2026) — Taming the thunder god vine: Antiviral terpenoids from Tripterygium wilfordii. · Fitoterapia
3.PMID: 30178091 (2019) — Triptolide, A Potential Autophagy Modulator. · Chinese journal of integrative medicine
4.PMID: 20226165 (2010) — Celastrol: Molecular targets of Thunder God Vine. · Biochemical and biophysical research communications
5.PMID: 33296090 (2021) — Tripterygium wilfordii: An inspiring resource for rheumatoid arthritis treatment. · Medicinal research reviews

Tripterygium wilfordii

Sources et citations

Calculer une dose sûre de Tripterygium wilfordii