25,729 articles
Naples prognostic score
The Naples prognostic score (NPS) is a prognostic scoring system in oncology that combines albumin, total cholesterol, and two blood-cell ratios to predict survival in cancer patients.
Naporafenib
Naporafenib (LXH254) is an oral type II pan-RAF inhibitor (BRAF/CRAF potent, ARAF-sparing) developed by Novartis and Erasca for MAPK-driven tumors; best results in NRAS-mutant melanoma with trametinib, development stopped 2026.
Naproxcinod
Naproxcinod (AZD3582, HCT 3012, Beprana) is a naproxen-nitric oxide donor hybrid, the first CINOD drug. It matched naproxen in osteoarthritis trials with better blood pressure effects but was rejected by the FDA in 2010 and its EMA application withdrawn in 2011.
Naproxen
Naproxen (Naprosyn, Aleve) is a propionic acid NSAID inhibiting COX-1 and COX-2, U.S.-approved 1976 via Syntex, used for arthritis, gout, and pain; OTC as 220 mg naproxen sodium, with comparatively low cardiovascular risk among NSAIDs.
Naquotinib
Naquotinib (ASP8273), Astellas' third-generation irreversible mutant-selective EGFR tyrosine kinase inhibitor for EGFR-mutated NSCLC including T790M; phase 3 SOLAR trial stopped for futility in 2017, development discontinued, never approved.
Naraca Curna
Naraca Curna (Nārāca cūrṇa), an Ayurvedic Formulary of India powder formulation (AFI000451) of Piper longum fruit, Operculina turpethum root, and sugar, dosed at 12 g for constipation and abdominal complaints.
Naraca Rasa
Naraca Rasa (Nārāca Rasa), a classical Ayurvedic rasa yoga (mineral iatrochemical pill, API 16:26) containing vatsanabha and jayapala, indicated for manovaha disorders and purgation; monitored for heavy metals.
Narasimha Cirna
Narasimha Cirna (Narasimha Churna, नरसिंह चूर्ण) is a classical Ayurvedic polyherbal powder from Bhaishajya Ratnavali's vajeekarana chapter, listed in AFI Part I 7:18 with fourteen ingredients including Shatavari, Gokshura, Guduchi, and purified Bhallataka, used as a Rasayana and for oligospermia, cough, and aging signs.
Narasimha Curna
Narasimha Curna (Nārasiṁha cūrṇa) is a classical Ayurvedic polyherbal electuary from Bhaishajya Ratnavali's vajikarana chapter, listed in the Ayurvedic Formulary of India, used chiefly for oligospermia, senility, cough, and hair and skin disorders.
Narasimha ghrta rasayana
Narasimha ghrta rasayana (Nārasimha ghṛta rasāyana), also called Narasimha Rasayana, is a classical Ayurvedic rejuvenative from Ashtanga Hridaya, processed with butter in an iron vessel, indicated for hair loss, fatigue, and as an aphrodisiac.
Naratriptan
Naratriptan (Amerge) is an oral 5-HT1B/1D receptor agonist triptan for acute migraine in adults, US-approved in 1998; 1 and 2.5 mg doses, 5-6 hour half-life, tolerability similar to placebo.
Narayana Curna
Narayana Cirna (Nārāyaṇa cūrṇa, नारायण चूर्ण) is a classical Ayurvedic polyherbal powder from the Aṣṭāṅgahṛdaya and Caraka Saṃhitā, listed in the Ayurvedic Formulary of India 7:19, dose 1–3 g, used as a purgative with condition-specific anupāna.
Narayana Health
Narayana Health (Narayana Hrudayalaya Limited), Indian hospital chain founded 2001 by Devi Prasad Shetty in Bengaluru; low-cost high-volume cardiac care, Cayman Islands and UK hospitals, and its own insurance subsidiary.
Narayana Taila
Narayana Taila (Nārāyaṇa taila) is a classical Ayurvedic medicated sesame oil with 33 herbal ingredients from Bhaishajya Ratnavali, listed in India's Ayurvedic Formulary for Vata disorders, arthritis, and neuromuscular conditions, used internally and in massage, Nasya, and basti.
Narcissistic parent
Narcissistic parent: a cultural term for parents with excessive needs for admiration or importance, distinct from narcissistic personality disorder (NPD), a DSM-5 diagnosis affecting roughly 1–6% of adults and linked to insecure attachment, low self-esteem, anxiety, and depression in children.
Narcissistic personality disorder
Narcissistic personality disorder (NPD), a DSM-5-TR Cluster B diagnosis defined by grandiosity, need for admiration, and lack of empathy; subsumed under the ICD-11 dimensional severity-and-traits model since 2022.
Narcolepsy
Narcolepsy, a chronic sleep-wake disorder affecting about 1 in 2,000 people, caused by loss of hypothalamic orexin (hypocretin) neurons; symptoms include excessive daytime sleepiness and cataplexy; oveporexton (Orzeyful) approved 2026.
Narcolepsy type 2
Narcolepsy type 2 (narcolepsy without cataplexy) is a central disorder of hypersomnolence with excessive daytime sleepiness, MSLT latency ≤8 min and ≥2 SOREMPs, no cataplexy, and no reliable biomarker; orexin deficiency reclassifies it as type 1.
Narcotic
Narcotic is a term for drugs that relieve pain and dull the senses; medicine now prefers opioid, while in law it follows the 1961 Single Convention.
Narcotics Anonymous
Narcotics Anonymous (NA), founded July 1953, is a free global twelve-step fellowship for recovering drug addicts with no drug distinctions, over 79,000 weekly meetings in 122 countries, governed by Twelve Traditions and NAWS in Chatsworth, California.
Naresh Trehan (नरेश त्रेहान)
Naresh Trehan (नरेश त्रेहान), born 1946, Indian cardiovascular and cardiothoracic surgeon; founder of Escorts Heart Institute (1988) and Medanta (2009); over 48,000 open-heart surgeries; Padma Shri and Padma Bhushan recipient.
Narikela lavana
Narikela lavana (Nārikela lavaṇa, coconut salt) is a classical Ayurvedic two-ingredient calcined preparation of coconut and rock salt, dosed 1-2 g, used for amlapitta (hyperacidity), parinama shula (duodenal ulcer), and colic.
Narlaprevir
Narlaprevir is a second-generation hepatitis C virus NS3/4A protease inhibitor derived from boceprevir by Schering-Plough and Merck, reaching phase 3 trials before development was discontinued outside Russia.
Narlumosbart
Narlumosbart (JMT103, Jinlitai, 津立泰) is a fully human IgG4 anti-RANKL monoclonal antibody by Shanghai JMT-Bio/CSPC, conditionally approved in China in 2023 for unresectable giant cell tumor of bone, with 93.5% tumor response rate.
NARP syndrome
NARP syndrome (neuropathy, ataxia, retinitis pigmentosa) is a rare maternally inherited mitochondrial disorder caused by MT-ATP6 mutations, most often m.8993T>G at 70-90% heteroplasmy, causing neuropathy, ataxia, retinopathy, and seizures, treated supportively.
Narrative exposure therapy
Narrative exposure therapy (NET) is a short-term trauma-focused psychotherapy for PTSD, developed at the University of Konstanz, in which patients narrate their whole life story.
Narrative therapy
Narrative therapy is a psychotherapy approach developed by Michael White and David Epston that externalizes problems as separate from the person and helps people re-author their life stories.
Narrow band imaging
Narrow band imaging is an endoscopic technique that filters light into narrow wavelengths absorbed by hemoglobin, highlighting mucosal blood vessels to help distinguish neoplastic tissue.
Narsoplimab
Narsoplimab (OMS721, YARTEMLEA, narsoplimab-wuug) is Omeros' fully human IgG4 monoclonal antibody inhibiting MASP-2, the lectin complement pathway effector enzyme; FDA-approved December 2025 for transplant-associated thrombotic microangiopathy but refused by EMA in 2026.
Nasal administration
Nasal administration is a drug delivery route giving medications through the nose as sprays, drops, or powders, used for decongestants, migraine drugs, vaccines, and emergencies like naloxone.