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Tocofersolan
Tocofersolan (tocophersolan, vitamin E TPGS) is a water-soluble d-alpha-tocopheryl polyethylene glycol 1000 succinate pro-drug. Marketed as Vedrop for pediatric cholestasis-related vitamin E deficiency; also an FDA-approved excipient and P-glycoprotein inhibitor used in drug delivery.
Tocolytic
Tocolytics (tocolytic drugs) are medications that slow uterine contractions to delay preterm birth about 48 hours, allowing corticosteroids, magnesium sulfate, or transfer; classes include nifedipine, atosiban, betamimetics, indomethacin.
Tocopherol
Tocopherol, the tocopherol family of vitamin E compounds (alpha-, beta-, gamma-, delta-tocopherol), fat-soluble antioxidant nutrients; alpha-tocopherol is the only form meeting human requirements, RDA 15 mg/day, EU upper limit 300 mg/day.
TODAY trial
TODAY (Treatment Options for type 2 Diabetes in Adolescents and Youth), NCT00081328, was an NIDDK-funded US randomized trial of 699 youth aged 10-17 comparing metformin alone, metformin plus rosiglitazone, and metformin plus intensive lifestyle intervention for glycemic failure.
Toe
Toe: the five digits of the human foot; the hallux (great toe) has two phalanges and dedicated muscles, lesser toes share muscles; short toes and hallux adaptations reflect bipedal evolution; hallux valgus is the most common toe deformity.
TOFA-MTX-AA trial
TOFA-MTX-AA (NCT07406204) is a phase 4 open-label randomized trial at Hayat Abad Medical Complex, Peshawar, comparing oral tofacitinib 10 mg twice daily with methotrexate 0.2-0.4 mg/kg weekly for 12 weeks in 78 adults with severe alopecia areata.
Tofacitinib
Tofacitinib (Xeljanz) is Pfizer's oral JAK1/JAK3 inhibitor, first FDA-approved 6 November 2012 for rheumatoid arthritis; later indicated for psoriatic arthritis, ankylosing spondylitis, ulcerative colitis, and juvenile idiopathic arthritis, with 2021 boxed-warning restrictions after ORAL Surveillance.
Tofersen
Tofersen (Qalsody), a Biogen antisense oligonucleotide for SOD1-mutant ALS, degrades SOD1 mRNA via RNase H; FDA accelerated approval April 25, 2023 based on plasma NfL reduction despite a missed VALOR functional endpoint.
Tofogliflozin anhydrous
Tofogliflozin anhydrous is the anhydrous form of tofogliflozin, a highly selective SGLT2 inhibitor approved in Japan in 2014 for adults with type 2 diabetes, sold as DEBERZA and Apleway.
Toilet Facilities
Toilet facilities are places and hardware for safe collection of human excreta, from household toilets to school and health-facility latrines; WHO/UNICEF track coverage, with 57% of people using safely managed sanitation in 2022.
Toilet training
Toilet training (potty training): process by which children learn bladder and bowel control. U.S. start 18–36 months; daytime dryness median 32.5–35 months; night dryness lags to ages 5–7; child-oriented and structured methods show no proven superiority.
Toilet-related injuries and deaths
Toilet-related injuries and deaths: harms on or near toilets, chiefly falls when sitting, standing, or transferring. US 2008 ED data: 54,696 toilet-site injuries, rates rising to 266.6 per 100,000 at age 85+; deaths not captured by ED surveillance.
Tolazamide
Tolazamide (Tolinase) is a first-generation sulfonylurea oral drug for type 2 diabetes, FDA approved July 1966, about 5-6 times as potent as tolbutamide, no longer available in the United States.
Tolbutamide
Tolbutamide, sold as Orinase, is a first-generation sulfonylurea drug introduced in 1956 that lowers blood glucose in type 2 diabetes and serves as a probe for CYP2C9.
Tolcapone
Tolcapone (Tasmar) is a first-generation oral COMT inhibitor used with levodopa/carbidopa for Parkinson's motor fluctuations; most effective in its class but second-line due to rare fatal hepatotoxicity requiring liver monitoring.
Tolebrutinib
Tolebrutinib (Cenrifki, PRN2246, SAR442168) is Sanofi's oral brain-penetrant covalent BTK inhibitor for multiple sclerosis; it slowed disability progression in non-relapsing SPMS (HERCULES) but was rejected by the FDA over liver injury, while gaining EU approval in 2026.
Toledo
Toledo (ATCC CRL-2631, CVCL_3611) is a human B lymphocyte cell line established in 1990 from peripheral blood of an adult female with diffuse large B-cell lymphoma, GCB type, EBV-negative, KRAS G13D, CREBBP/EP300 double mutant.
Tolerability study
A tolerability study is a clinical study assessing how well participants can tolerate a drug or treatment, monitoring adverse effects, discontinuations, and patients' own experience of side effects.
Tolnaftate
Tolnaftate (Tinactin) is a synthetic thiocarbamate topical antifungal, the first globally successful one, sold OTC as 1% creams and sprays for athlete's foot and ringworm; it inhibits fungal squalene epoxidase but does not treat hair, scalp, or nail infections.
Tolosa-Hunt syndrome
Tolosa-Hunt syndrome (THS), painful ophthalmoplegia syndrome, is a rare granulomatous inflammation of the cavernous sinus or orbital apex causing unilateral orbital pain and cranial nerve III, IV, or VI palsy, steroid-responsive, about one case per million yearly.
Toloxatone
Toloxatone (Humoryl) is a reversible, selective MAO-A inhibitor (RIMA) oxazolidinone antidepressant launched in France in 1984; dosed 200 mg three times daily, with weak MAO-A inhibition, low tyramine potentiation, and fulminant hepatitis as a listed risk.
Tolperisone
Tolperisone (Mydocalm, Mydeton) is a centrally acting muscle relaxant synthesized in 1956 by Gedeon Richter, used for spasticity and painful muscle spasm; it blocks voltage-gated sodium and N-type calcium channels, and EU oral use is restricted to post-stroke spasticity in adults.
Tolrestat
Tolrestat (Alredase, AY-27,773), an aldose reductase inhibitor for diabetic neuropathy, approved 1988, showed modest nerve-function benefit in trials, and was withdrawn worldwide in 1996 after fatal hepatic necrosis.
Tolterodine
Tolterodine, sold as Detrol and Detrol LA, is an antimuscarinic medication taken by mouth to treat overactive bladder; it was approved in the United States in 1998 and is known for fewer side effects than oxybutynin.
Toludesvenlafaxine
Toludesvenlafaxine, also known as ansofaxine (LY03005), is a triple reuptake inhibitor antidepressant developed by Luye Pharma that inhibits serotonin, norepinephrine, and dopamine reuptake, approved in China for major depressive disorder.
Toluene embryopathy
Toluene embryopathy, also called fetal solvent syndrome, is a teratogenic syndrome from prenatal toluene exposure, with FAS-like craniofacial features, microcephaly, growth and developmental delay, first described by Hersh in 1985.
Tolvaptan
Tolvaptan, sold as Samsca and Jynarque, is an oral vasopressin V2 receptor antagonist used to treat hyponatremia and to slow rapidly progressing autosomal dominant polycystic kidney disease.
Tomislav Mihaljevic
Tomislav Mihaljevic is a Croatian-born cardiovascular surgeon who became CEO and President of Cleveland Clinic in 2018, after building the world's largest robotic heart surgery program.
Tomosynthesis
Tomosynthesis is an X-ray technique that reconstructs cross-sectional slices from a limited-angle tube sweep, used mainly as digital breast tomosynthesis for screening and chest tomosynthesis for lung nodules.
Tonapofylline
Tonapofylline (BG-9928) is a xanthine adenosine A1 receptor antagonist developed by Biogen Idec for heart failure and kidney disease; trialed in TRIDENT-1 and POSEIDON but abandoned for lack of efficacy.