Nothapodytes nimmoniana (Nothapodytes nimmoniana): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Nothapodytes nimmoniana work as an anticancer agent?

Nothapodytes nimmoniana contains camptothecin, which inhibits topoisomerase I, an enzyme essential for DNA replication in cancer cells. By blocking this enzyme, camptothecin prevents DNA strand relaxation during replication, causing DNA damage and triggering apoptosis (programmed cell death) in rapidly dividing cells. This mechanism has made camptothecin derivatives like irinotecan and topotecan valuable chemotherapy agents for treating colorectal, ovarian, and lung cancers. Evidence Level: C for raw plant; pharmaceutical derivatives have established anticancer mechanisms.

What are the drug interactions of Nothapodytes nimmoniana?

Camptothecin derivatives from Nothapodytes nimmoniana have significant drug interactions. They should not be combined with other myelosuppressive agents, as this increases bone marrow toxicity and infection risk. Camptothecin compounds may interact with CYP3A4 enzyme substrates and inhibitors, affecting drug metabolism. Patients receiving camptothecin-based chemotherapy require careful monitoring when taking additional medications. Raw plant material should never be combined with any drugs due to unpredictable toxicity. Evidence Level: C for raw plant; pharmaceutical interactions are well-documented.

Is Nothapodytes nimmoniana safe during pregnancy and breastfeeding?

No, Nothapodytes nimmoniana is unsafe during pregnancy and breastfeeding. Camptothecin is a potent cytotoxic compound that interferes with DNA replication, posing significant risks of fetal harm, miscarriage, and birth defects. The compound can damage rapidly dividing cells, making it particularly dangerous during embryonic development. Breastfeeding mothers should also avoid this herb, as camptothecin compounds may pass into breast milk and harm the nursing infant. Pharmaceutical camptothecin derivatives carry strict pregnancy contraindications. Evidence Level: C.

What is the recommended dosage of Nothapodytes nimmoniana?

There is no safe recommended dosage for raw Nothapodytes nimmoniana due to severe toxicity from its alkaloid content. This herb should only be used through pharmaceutical extraction processes that isolate and standardize camptothecin derivatives. Pharmaceutical preparations like irinotecan and topotecan have established clinical dosing protocols administered exclusively under oncologist supervision in hospital settings. Self-medication with raw plant material is strongly contraindicated. Traditional dosage information is limited and unreliable given the plant's toxicity profile. Evidence Level: C.

What are the side effects of Nothapodytes nimmoniana?

Raw Nothapodytes nimmoniana causes severe toxicity due to its camptothecin and alkaloid content. Reported side effects include severe gastrointestinal distress, bone marrow suppression, hemorrhagic cystitis, and potential organ damage. Camptothecin toxicity can cause life-threatening myelosuppression, leading to dangerous drops in white blood cells and platelets. Pharmaceutical derivatives like irinotecan cause additional side effects including severe diarrhea and nausea. The raw plant should never be consumed without professional pharmaceutical processing. Evidence Level: C for traditional use; pharmaceutical side effects are well-documented.

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

Nothapodytes nimmoniana is a medicinally important plant from the Icacinaceae family, primarily valued as a major source of the anticancer compound camptothecin [PMID:37516285, PMID:40628740].

Contexte

Nothapodytes nimmoniana is a small tree endemic to the Western Ghats of India [PMID:18402730, PMID:25709216]. It is considered a vulnerable or endangered species due to large-scale exploitation and overharvesting driven by the global demand for camptothecin [PMID:37516285, PMID:38896329, PMID:33446714].

Composés actifs

The plant produces camptothecin (CPT), a monoterpene indole alkaloid [PMID:37163758, PMID:37600193]. Other identified compounds include 9-methoxycamptothecin (MCPT) [PMID:29130341] and vitamins D and E in methanolic leaf extracts [PMID:40971244].

Mécanisme d'action

Camptothecin and its derivative 9-methoxycamptothecin act as inhibitors of DNA topoisomerase I [PMID:31291885, PMID:29130341]. 9-methoxycamptothecin specifically demonstrates minor groove binding to calf thymus DNA [PMID:29130341].

Preuves cliniques

Preuve CCancer (including ovarian, colorectal, and lung cancers)

Camptothecin is a potent anti-tumor drug with clinically proven properties against various human malignancies [PMID:34850279, PMID:32976723, PMID:26949094]

Preuve DPolycystic Ovary Syndrome (PCOS)

Virtual screening and molecular docking suggest that 4,4,5,8-tetramethyl-2,3-dihydrochromen-2-ol from N. nimmoniana may bind to TNF-α and hER-α, potentially aiding in PCOS management [PMID:40971244]

Synthèse des preuves

The available evidence is primarily based on phytochemical, genomic, and in vitro studies focusing on the extraction and biosynthesis of camptothecin; there are no clinical trial data provided for the whole herb.

Sources PubMed

1.PMID: 37516285 (2023) — Chloroplast genome sequence of Nothapodytes nimmoniana (Icacinaceae), a vulnerable reservoir of camptothecin from Western Ghats. · Gene
2.PMID: 40628740 (2025) — Chromosome-level genome assembly of Nothapodytes nimmoniana. · Scientific data
3.PMID: 38896329 (2024) — Biotechnological approaches for the production of camptothecin. · Applied microbiology and biotechnology
4.PMID: 38351290 (2024) — Optimisation of enzyme-assisted extraction of camptothecin from Nothapodytes nimmoniana and its characterisation. · Phytochemical analysis : PCA
5.PMID: 34850279 (2021) — Biotechnology of camptothecin production in Nothapodytes nimmoniana, Ophiorrhiza sp. and Camptotheca acuminata. · Applied microbiology and biotechnology

Nothapodytes nimmoniana

Sources et citations

Calculer une dose sûre de Nothapodytes nimmoniana