Background:  Vandetanib is a once-daily oral inhibitor of vascular endothelial growth factor receptor (VEGFR), epidermal growth factor receptor (EGFR), and rearranged during transfection (RET) tyrosine kinases. In a randomised phase 2 study in patients with previously treated non-small-cell lung cancer (NSCLC), adding vandetanib 100 mg to docetaxel significantly improved progression-free survival (PFS) compared with docetaxel alone, including a longer PFS in women. These results supported investigation of the combination in this larger, definitive phase 3 trial (ZODIAC).

Physicians, particularly those in cardiovascular specialities, have embraced the concept of randomized trials with enthusiasm. However, they have not fully appreciated the extent to which the play of chance can produce erroneous results, even if strenuous efforts have been made to reduce all bias. After all, a P value of 0.05 means that there is a 1 in 20 chance that the result may be wrong. These are not extreme odds - many people are happy to back horses at this level.


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When one divides a trial by a seemingly more legitimate grouping (eg by the individual countries in a multinational study), then it is highly probable that a negative or neutral result will be seen in one country. Indeed, this was a point of discussion during the 1 May 2000 US Food and Drug Administration hearings (Yusuf S, personal communication) on the results of the recent HOPE study [4], in which ramipril had no significant effect in the US participants. We have seen similar results in the ISIS trials, but did not report these because of the possibility of harm caused by misinterpretation of such statistical 'flukes' (and hence a failure to use a useful treatment in that country).

The mode has 100 stages, and after completing each 10th stage, the player can save their progress and receive a reward. In the International Zodiac Job System version, Trial Mode saves and Game Data saves are meant to be separated, because if the Game Data is overwritten by the Trial Mode save, the Game Data will be lost. In The Zodiac Age version, the player can save Trial Mode data to their main game save and receive items, but overwriting that save with a main game save will erase the Trial Mode progress. In this version, it is possible to farm items from the Trial Mode. For example, if the player wants Ribbons from Stage 49, they should steal one, beat the floor, and go to the next one. At Stage 50, the player should exit back to the title screen, load their game save to lose the trial progress (the player keeps the Ribbon). The player can save their game, return to the title screen, and start Trial Mode again from Stage 1.

As Trial Mode can be accessed at any time, the player, if able to best the trials, may be able to obtain items and equipment well before they could normally be obtained, as well as view monsters and locations they have not yet reached within the game itself. This is especially true if the player is using New Game+ or boosters.

Optional means that it is not mandatory to defeat that specific enemy to pass the trial, and it is not even necessary for it to appear. For example, against the Ba'Gamnan gang, defeating the leader will end the fight. Therefore, his allies are optional.

The player obtains items from the enemies and from the treasures placed on the battlefield. Almost all enemies can be stolen from with the same success chance as in the main game (equipping Thief's Cuffs improves the success rate). The enemies yield different items than in the main game. The main enemies tend to yield equipment, and the regular enemies that accompany them often give useful motes and healing items. Some enemies are optional spawns, and if the player discovers how to spawn them, they can usually be poached. The optional spawns tend to have a very low chance of dropping an Elixir when killed. Enemies do not yield loot, only items that can actually be used during the trials.

Enemies that must be defeated to complete the stage do not drop items, apart from the initial Stage 45 enemies that must be defeated before the proper trial enemy appears. Having the applicable Monographs and Canopic Jar yields more drops like in the main game, but the Monographs usually yield Knots of Rust, and the Canopic Jar very rarely yields Dark Matter.

The Trial Mode was added due to a flaw in the original version of Final Fantasy XII where the player who bothers to unlock the game's best weapons will find that they do not have any strong enough monsters left to try them on. The Trial Mode was envisioned as a challenge for this very purpose. Hiroyuki Ito, the director of Final Fantasy XII International Zodiac Job System, had heard that the bonus fight mode added to the Game Boy Advance version of Final Fantasy VI was popular, so he wanted to try something similar.[1] Trial Mode is designed for the player to use trial-and-error and find new gambit configurations and explore the Gambit system in a new way.[2] Thus, the player cannot run though the whole gauntlet with just one gambit configuration.

The Ziprasidone Observational Study of Cardiac Outcomes (ZODIAC) was an open-label, randomized, postmarketing large simple trial that enrolled patients with schizophrenia (N=18,154) in naturalistic practice in 18 countries. The primary outcome measure was nonsuicide mortality in the year after initiation of assigned treatment. Patients were randomly assigned to receive treatment with either ziprasidone or olanzapine and followed for 1 year by unblinded investigators providing usual care. A physician-administered questionnaire was used to collect baseline demographic information, medical and psychiatric history, and concomitant medication use. Follow-up information on hospitalizations and emergency department visits, patients' vital status, and current antipsychotic drug status was collected and reported by treating psychiatrists. Post hoc analyses of sudden death, a secondary endpoint, were also conducted.

Patients with schizophrenia have an elevated mortality rate (1, 2). Whether mortality rates vary among patients receiving different drugs, however, is unclear (3, 4). The literature largely comprises relatively brief, small, well-controlled randomized clinical trials with selective patient inclusion criteria.

Large simple trials, also known as large pragmatic trials, large streamlined studies, and practical clinical trials, have been employed to examine important public health questions about the benefits and risks of medications in routine medical practice settings for decades in cardiac mortality (5), head injury (6), analgesic effects (7), and AIDS (8), among other applications. Such studies use patient samples in the thousands, randomization, broad entry criteria, streamlined assessments consistent with routine practice, and definitive endpoints (such as death or hospitalization). The need for large simple trials in psychiatry is increasingly recognized as such studies constitute a major means of examining the balance between benefit and harm in treatments as they are administered in clinical practice (9).

ZODIAC was an international, multicenter, randomized large simple trial designed to examine the risks of nonsuicide mortality and hospitalization associated with ziprasidone and olanzapine, another atypical antipsychotic, in the context of usual clinical treatment. Olanzapine was selected as the comparator in the study because it was not linked to QTc prolongation in the literature or in a carefully controlled pharmacokinetic study of several agents compared with ziprasidone (12). The main objective of ZODIAC was to evaluate mortality, which limited the study's ability to provide data on drug efficacy. Because the metabolic risks associated with olanzapine were not fully realized when ZODIAC was designed, measures of metabolic parameters were not systematically collected.

In the present study, the difference in rate of all-cause hospitalization between the ziprasidone and olanzapine groups in a secondary analysis was explained by the difference in the number of psychiatric hospitalizations over the 1-year study. This difference is consistent with hospitalization rates observed in the 18-month Clinical Antipsychotic Trials in Intervention Effectiveness (CATIE) study, a pragmatic trial of patients with chronic schizophrenia (18), where 11% of patients treated with olanzapine and 18% of those treated with ziprasidone were hospitalized for psychiatric reasons. In contrast, the proportion of patients treated with ziprasidone who were hospitalized in the European First Episode Schizophrenia Trial (EUFEST), a pragmatic trial of antipsychotic treatment in 498 first-episode schizophrenia patients (19), was lower than with olanzapine (7% compared with 20%), although the statistical significance of this difference was not reported.

The results of the ZODIAC study show that hospitalization rates for diabetic ketoacidosis were low, occurring at an incidence of 0.1% in both the olanzapine and ziprasidone groups. Diabetic ketoacidosis is an acute metabolic complication of mostly type I diabetes and is relatively rare in type II diabetes. Incidence of hospitalization for diabetic ketoacidosis is not a surrogate for other metabolic abnormalities, such as new-onset type II diabetes. Because of ZODIAC's large simple trial design, diabetic ketoacidosis was chosen as a secondary metabolic endpoint because it is objectively measured and the severity of the event would typically result in hospitalization. Given that there was a similar low rate of reported medical history of type I diabetes (less than 3%) in both groups at baseline, the comparable 1-year incidence of hospitalization for diabetic ketoacidosis is within expectations.

Positioning of the patient during the immediate ?hyperacute? hours after onset of large artery acute ischemic stroke is an important, yet understudied aspect of nursing care that could impact the course of treatment and clinical outcome in this most severe form of stroke. Since 1968, clinical symptom worsening has been documented in this population when the head of bed (HOB) is elevated to 30o or higher, while clinical improvement or symptom stability has been noted with 0o-HOB positioning. Mechanisms for 0o-HOB clinical improvement include favorable gravitational blood flow conditions and recruitment of collateral blood channels, while in the case of treatment with clot-busting medications, increased blood flow may allow more medication to reach occluded arteries facilitating clot breakdown. Despite this, there remains a divide within the clinical community about what position is best. A recent clinical trial (HeadPoST) failed to answer the question of head positioning for hyperacute large artery stroke patients, enrolling primarily minor, ambulatory strokes with small perforator artery disease that have never been shown to benefit from 0o-HOB positioning, along with intracerebral hemorrhage patients; patients were also enrolled late into symptoms (7 hours) beyond the point where brain tissue salvage is possible. Our team of leading hemodynamic stroke specialists has shown in our pilot work that blood flow can increase as much as 20% on average in large artery stroke territories with 0o-HOB positioning, and that elevated intracranial pressure is absent in the hyperacute phase out to 48 hours from symptom onset. We have also found that pneumonia is rare with 0o-HOB positioning using our extensively piloted methods. We propose a randomized controlled trial of head positioning to determine if 0o-HOB positioning during the early hyperacute phase of large artery ischemic stroke prevents neurological symptom worsening. A novel protocol will be employed that can be executed within current standard of care requirements for rapid thrombectomy treatment with or without clot-busting medications (n=182). Patients will be randomized to one of two groups: 1) 0o-HOB positioning; or, 2) 30o-HOB positioning. We hypothesize that optimal HOB position can be determined by early neurological symptom worsening during the intervention (Aim 1), and propose that real-time deterioration may be a surrogate measure for decreased downstream perfusion, potentially impacting viability of brain at risk for infarction. 

 Aim 2  will confirm that use of 0o-HOB positioning for in large artery ischemic strokes is safe in a larger generalizable population of patients. Use of this nursing measure holds significant promise as an innovative adjunct method to improve ischemic stroke symptoms, and ultimately reduce disability. e24fc04721

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