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Study duration

The first step in a wildlife exposure assessment is to document the occurrence and persistence of a pesticide in the study area throughout the study duration. Several articles in this book describe the experimental designs and best practices to conduct field crop and environmental dissipation (air, soil and water) studies. This article presents methods to quantify spatial and temporal distributions of pesticide presence in ecosystems following normal application and resultant exposure of nontarget wildlife. [Pg.936]

Urgert27 1 Cafestol na na 1 60mg Crossover 10 M, healthy Cafestol alone raised TC, Short study duration. [Pg.325]

Repeated dose toxicity studies differ with respect to duration. In principle, any duration is possible, but for the sake of harmonization it has become necessary to limit the study durations to a number of standard durations in the test guideline studies. [Pg.124]

Reference authors/ year Study design Number of subjects tested Study duration of oats added to a GFD Purity verified Withdrawal Clinical and lab tests biopsy findings after challenge Summary comments... [Pg.242]

Fig. 4.2 In Panel A, the effects of CRT on NYHA class is shown for three trials, all of which shared similar entry criteria and a 6-month randomized, double-blind study duration. In each graphic, control (no CRT) is represent in open boxes and patient treated with CRT (CRT) in hashed boxes. Panel B represents the effect of CRT on 6-min hall walk distance and Panel C represents the peak oxygen consumption on cardiopulmonary exercise testing... Fig. 4.2 In Panel A, the effects of CRT on NYHA class is shown for three trials, all of which shared similar entry criteria and a 6-month randomized, double-blind study duration. In each graphic, control (no CRT) is represent in open boxes and patient treated with CRT (CRT) in hashed boxes. Panel B represents the effect of CRT on 6-min hall walk distance and Panel C represents the peak oxygen consumption on cardiopulmonary exercise testing...
One study evaluated only the cognitive effects of single doses of 0.125-mg triazolam ( 324). Although the others assessed hypnotic efficacy, in all but one of these, study duration was 2 to 14 nights. In the remaining study, with a duration of 3 to 9 weeks, five of 22 elderly subjects (23%) were taken off triazolam between the third and fifth weeks because of serious adverse effects ( 323). The researchers reported, At week 3 significantly more triazolam patients were rated as more restless during the day (p < 0.05) and they also appeared more hostile, less relaxed, more irritable, and more anxious. After withdrawal of triazolam, these adverse reports... [Pg.291]

ICH 4.1.1 Fertility Assessment. This study duration is typically shorter than segment I studies. Males are exposed for four weeks before mating and females two weeks... [Pg.258]

For all three guidelines, selection of a starting dose close to the actual LD50 should decrease the number of animals necessary, reduce study duration, and decrease the amount of test substance needed. Therefore it is desirable that all information on the test substance be made available to the testing laboratory for consideration prior to... [Pg.361]

Piperazine estrone sulfate. Study duration 14 weeks. Decrease of wakefulness and awakenings. Increase of REM sleep. Estrogen effect on hot flashes, mood or anxiety similar to placebo. [Pg.189]

Conjugated equine estrogen 0.625mg/day. Study duration 100 days. Shorter sleep latency. Increase of REM sleep. Decrease of serum FSH and vasomotor symptoms on estrogen. [Pg.189]

Ethinyl estradiol 50 pg x 4 / day. Study duration 30 days. Decrease of awakenings. Decrease of hot flashes on estrogen. No placebo group. [Pg.189]

Conjugated equine estrogen 0.625 mg/day + norgestrel 0.15 mg/day (days 17-28). Study duration 12 weeks. No improvement in poly-somnographic parameters. Decrease of menopausal symptoms and improvement of psychological well-being on estrogen. [Pg.189]

Estradiol valerate (EV) 2 mg/day + progestogen dienogest 3 mg/day or EV 2 mg/day then open-label phase with EV 2 mg/day + dienogest 2 mg/day. Study duration 4 months. More fragmented sleep. No improvement in polysomnographic parameters. 49 insomniacs and controls, Improvement in subjective sleep in both phases. No measurements for hot flashes,... [Pg.189]

Adequate information to assure proper identification, quality, purity, and strength of the investigational drug. The amount of information required depends on the phase of the study, the study duration, the dosage form, and the scope of the proposed clinical investigation. Information should be updated throughout the development process and scale-up of drug production. [Pg.46]


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See also in sourсe #XX -- [ Pg.307 ]

See also in sourсe #XX -- [ Pg.5 ]




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Dose toxicity studies, duration

Duration

Exposure extrapolation duration chronic study

Exposure extrapolation duration subchronic studies

Oncogenicity studies duration

Research studies duration

Study duration drug products

Toxicity test designs study duration

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