What's the difference between excipient and placebo?

Excipient


Definition:

  • (v. t.) Taking an exception.
  • (n.) An exceptor.
  • (n.) An inert or slightly active substance used in preparing remedies as a vehicle or medium of administration for the medicinal agents.

Example Sentences:

  • (1) Poly(ortho ester) bioerodible polymers are suitable materials for the topical administration of a wide variety of therapeutic agents; varying the nature and amounts of excipients physically incorporated into the polymer will vary the erosion rates from a few hours to many months.
  • (2) Starch particles are the smallest among the excipients studied.
  • (3) Concentrations of lactose (4.85 and 4.81%), fat (3.76 and 3.67%), total solids (12.57 and 12.44%), SNF (8.83 and 8.75%), casein (2.56 and 2.53%), and true protein (3.13 and 3.08%) were similar in milks from cows receiving bST and excipient, respectively.
  • (4) The following results were obtained in the treated forearm versus the untreated forearm (excipient alone): clinically, an increase in skin thickness; by noninvasive techniques, an increase in skin thickness, skin elasticity, skin conductance, and TEWL, and a reduction in the size of the corneocytes.
  • (5) The results show that the choice of the excipients is basic.
  • (6) safety of HPCD and its well-characterized chemical composition, suggest that this starch derivative may be a potentially useful excipient for protein drugs intended for parenteral use.
  • (7) However, the observation that dextran 40 formulations showed poor stability toward aggregation demonstrates that an amorphous excipient system is not a sufficient condition for stability.
  • (8) However, due to crystallization of the excipients during storage and the resulting decrease in Tg, samples stored at 25 degrees C were also above their Tg during much of the storage period.
  • (9) The effect of intramuscular injections of two multivitamin preparations, two excipient preparations without vitamins, and a placebo preparation (glycine 2.5%) on serum creatine kinase activity (S-CK) in ten healthy volunteers (three female, seven male) aged between 23 and 25 years was investigated.
  • (10) The method is precise and selective for nitrazepam in the presence of the tablet excipients and 2-amino-5-nitrobenzophenone, the principal hydrolysis product of nitrazepam.
  • (11) Solid excipients, cornstarch, and talcum powder when injected intra-arterially decreased flow, and vascular obstruction was shown angiographically.
  • (12) Gluconolactone contributed least to the degradation of the drug as compared to other excipients studied.
  • (13) Gluconolactone was evaluated as an excipient for tablets prepared by direct compression using various drugs known to be difficult to compress.
  • (14) Tolerance was excellent except for mild nausea, probably due to the excipients, in two patients taking nine capsules.
  • (15) The oral provocation test with the excipient of the commercial preparation was negative; the tolerance to Methyl-Digoxin complete.
  • (16) The best solvents were then used in the study of different semisolid vehicles for topical use (cetylic excipient, Beeler's base and Carbopol gel), which show different physicochemical characteristics.
  • (17) In contrast, no significant difference in mean survival was observed between excipient and rHTNF treated animals bearing MCA-38, -101, or -102.
  • (18) Excipient-treated PIC barrows exhibited faster and more efficient growth (P less than .001) and a higher capacity for carcass protein accretion (P less than .001) but similar rates of lipid deposition compared to excipient-treated NEB barrows.
  • (19) TIMI Phase 1.5 compared two preparations of rt-PA, the early formulation in liquid excipient ("old" rt-PA) and the new lyophilized form ("new" rt-PA).
  • (20) Canrenone can be determined by high-speed liquid chromatography in pharmaceutical dosage forms without interference from common excipients or degradation products.

Placebo


Definition:

  • (n.) The first antiphon of the vespers for the dead.
  • (n.) A prescription intended to humor or satisfy.

Example Sentences:

  • (1) Seventy patients were randomised to Fm 40 mg at night and Rn placebo and 62 to Rn 300 mg at night and Fm placebo.
  • (2) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
  • (3) Twenty-seven patients were randomized to receive either 50 mg stanozolol or placebo intramuscularly 24 h before operation, followed by a 6 week course of either 5 mg stanozolol or placebo orally, twice daily.
  • (4) We evaluated the circadian pattern of gastric acidity by prolonged intraluminal pHmetry in 15 "responder" and 10 "nonresponder" duodenal ulcer patients after nocturnal administration of placebo, ranitidine, and famotidine.
  • (5) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
  • (6) We investigated whether these peptides also affect the sleep EEG in humans when given intravenously by comparing polysomnographically the effects of four boluses of (1) placebo, (2) 50 micrograms GHRH or (3) 50 micrograms SRIF administered at 22.00, 23.00, 24.00 and 1.00 h to 7 male controls.
  • (7) In a double-blind, crossover-designed study, 9 male subjects (age range: 18-25 years) received 25 mg orally, four times per day of either S or an identically-appearing placebo (P) 2 d prior to and during HA.
  • (8) In a randomized double-blind study, 40 patients with coronary heart disease received intravenously either 0.025 mg nitroglycerin or placebo.
  • (9) The effect of ipratropium bromide administered at two dosage levels, 40 and 80 mug, isoproterenol, 150 mug, and placebo using a metered dose inhaler was evaluated in ten adult patients with asthma in a double-blind, crossover study.
  • (10) Seventy-six patients with established atherosclerotic disease were treated daily with either 250 micrograms of chromium orally as chromium chloride or a placebo for a period of 7 to 16 months (mean, 11.1 months).
  • (11) hGRF but not placebo caused significant elevations of plasma growth hormone levels in all subjects.
  • (12) Changes in pain tolerance after administration of differently labelled placebos were studied by measuring the reaction time after a cold stimulus.
  • (13) Compared with placebo, carvedilol significantly reduced both resting heart rate (HR) and blood pressure (BP) at rest.
  • (14) Twenty-one patients received 4.5 mg. per kilogram of intramuscular lidocaine and 25 patients received placebo in the deltoid muscle within 14 hours of the onset of symptoms.
  • (15) At the end of the baseline period, supine diastolic blood pressure (SuDBP) was 105-140 mm Hg on hydrochlorothiazide (HCTZ) 25 mg once daily and placebo t.i.d.
  • (16) All four active treatment groups also experienced significantly more relief of pelvic-abdominal pain compared with placebo: piroxicam 40 mg for two days followed by three days of 20 mg (p = 0.002), piroxicam 40 mg for one day followed by four days of 20 mg (p = 0.023), piroxicam 20 mg for five days (p = 0.012), and ibuprofen (p = 0.011).
  • (17) Each subject received, on 2 separate days 1 week apart, an intravenous injection of either placebo or urapidil (25 or, if necessary, 50 mg).
  • (18) Both SUC and CIM were superior to placebo (p less than .001).
  • (19) In the placebo group of 14 patients CNV-amplitudes even decreased after ten Infusions with multi-vitamins alone.
  • (20) Clinical and inflammatory activity improved in both groups, but consistently more so in the auranofin group, in spite of the greater consumption of local steroids and NSAIDs in the placebo group.

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