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Wiki Wiki Summary
Uncertainty Uncertainty refers to epistemic situations involving imperfect or unknown information. It applies to predictions of future events, to physical measurements that are already made, or to the unknown.
Propagation of uncertainty In statistics, propagation of uncertainty (or propagation of error) is the effect of variables' uncertainties (or errors, more specifically random errors) on the uncertainty of a function based on them. When the variables are the values of experimental measurements they have uncertainties due to measurement limitations (e.g., instrument precision) which propagate due to the combination of variables in the function.
Fear, uncertainty, and doubt Fear, uncertainty, and doubt (often shortened to FUD) is a propaganda tactic used in sales, marketing, public relations, politics, polling and cults. FUD is generally a strategy to influence perception by disseminating negative and dubious or false information and a manifestation of the appeal to fear.
Uncertainty principle In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities asserting a fundamental limit to the accuracy with which the values for certain pairs of physical quantities of a particle, such as position, x, and momentum, p, can be predicted from initial conditions.\nSuch variable pairs are known as complementary variables or canonically conjugate variables; and, depending on interpretation, the uncertainty principle limits to what extent such conjugate properties maintain their approximate meaning, as the mathematical framework of quantum physics does not support the notion of simultaneously well-defined conjugate properties expressed by a single value.
Uncertainty quantification Uncertainty quantification (UQ) is the science of quantitative characterization and reduction of uncertainties in both computational and real world applications. It tries to determine how likely certain outcomes are if some aspects of the system are not exactly known.
Knightian uncertainty In economics, Knightian uncertainty is a lack of any quantifiable knowledge about some possible occurrence, as opposed to the presence of quantifiable risk (e.g., that in statistical noise or a parameter's confidence interval). The concept acknowledges some fundamental degree of ignorance, a limit to knowledge, and an essential unpredictability of future events.
Cone of Uncertainty In project management, the Cone of Uncertainty describes the evolution of the amount of best case uncertainty during a project. At the beginning of a project, comparatively little is known about the product or work results, and so estimates are subject to large uncertainty.
Uncertainty parameter The uncertainty parameter U is a parameter introduced by the Minor Planet Center (MPC) to quantify concisely the uncertainty of a perturbed orbital solution for a minor planet. The parameter is a logarithmic scale from 0 to 9 that measures the anticipated longitudinal uncertainty in the minor planet's mean anomaly after 10 years.
Bitwise operation In computer programming, a bitwise operation operates on a bit string, a bit array or a binary numeral (considered as a bit string) at the level of its individual bits. It is a fast and simple action, basic to the higher-level arithmetic operations and directly supported by the processor.
Operations management Operations management is an area of management concerned with designing and controlling the process of production and redesigning business operations in the production of goods or services. It involves the responsibility of ensuring that business operations are efficient in terms of using as few resources as needed and effective in meeting customer requirements.
Special operations Special operations (S.O.) are military activities conducted, according to NATO, by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment". Special operations may include reconnaissance, unconventional warfare, and counter-terrorism actions, and are typically conducted by small groups of highly-trained personnel, emphasizing sufficiency, stealth, speed, and tactical coordination, commonly known as "special forces".
Operations research Operations research (British English: operational research), often shortened to the initialism OR, is a discipline that deals with the development and application of advanced analytical methods to improve decision-making. It is sometimes considered to be a subfield of mathematical sciences.
Operation (mathematics) In mathematics, an operation is a function which takes zero or more input values (called operands) to a well-defined output value. The number of operands (also known as arguments) is the arity of the operation.
Continued fraction In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on. In a finite continued fraction (or terminated continued fraction), the iteration/recursion is terminated after finitely many steps by using an integer in lieu of another continued fraction.
...Continued ...Continued is the second album released by Tony Joe White. It was released on Monument Records and contained the single Roosevelt and Ira Lee It was recorded at Monument Studios, Nashville and Lyn-Lou Studios, Memphis in 1969.
Beyond (band) Beyond was a Hong Kong rock band formed in 1983. The band became prominent in Hong Kong, Taiwan, Japan, Singapore, Malaysia, Mainland China, and Overseas Chinese communities.
Star Tours – The Adventures Continue Star Tours – The Adventures Continue is an attraction located at Disney's Hollywood Studios, Disneyland, Tokyo Disneyland, and Disneyland Paris. Set in the Star Wars universe, Star Tours – The Adventures Continue takes passengers on a turbulent trip across the galaxy, as droids C-3PO and R2-D2 attempt to safely return a spy to the Rebel Alliance.
Regulation Regulation is the management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society, but the term has slightly different meanings according to context.
Regulatory agency A regulatory agency (regulatory body, regulator) or independent agency (independent regulatory agency) is a government authority that is responsible for exercising autonomous dominion over some area of human activity in a licensing and regulating capacity.\nThese are customarily set up to strengthen safety and standards, and/or to protect consumers in markets where there is a lack of effective competition.
Regulatory capitalism Regulatory capitalism suggests that the operation maintenance and development of the international political economy increasingly depends on administrative rules outside the legislatures and the courts. In other words, it tells us that capitalism is a regulatory institution – one that is being constituted, shaped, constrained and expanded as a historically woven patchwork of regulatory institutions, strategies, and functions.Although this patchwork varies widely across regions, nations, regimes, sectors, issues, and arenas, the general trend despite and beyond the process of liberalization is that of growth rather than decline of the role regulation in shaping policy and politics.
Regulatory sign A regulatory sign is used to indicate or reinforce traffic laws, regulations or requirements which apply either at all times or at specified times or places upon a street or highway, the disregard of which may constitute a violation, or a sign in general that regulates public behavior in places open to the public. The FHWA defines regulatory sign as "a sign that gives notice to road users of traffic laws or regulations".
Blood substitute A blood substitute (also called artificial blood or blood surrogate) is a substance used to mimic and fulfill some functions of biological blood. It aims to provide an alternative to blood transfusion, which is transferring blood or blood-based products from one person into another.
Jehovah's Witnesses Jehovah's Witnesses is a millenarian restorationist Christian denomination with nontrinitarian beliefs distinct from mainstream Christianity. The group reports a worldwide membership of approximately 8.7 million adherents involved in evangelism and an annual Memorial attendance of over 21 million.
Blood transfusion Blood transfusion is the process of transferring blood products into a person's circulation intravenously. Transfusions are used for various medical conditions to replace lost components of the blood.
Jehovah's Witnesses and blood transfusions Jehovah's Witnesses believe that the Bible prohibits Christians from accepting blood transfusions. Their literature states that, "'abstaining from ...
List of geographical indications in India A geographical indication (GI) is a name or sign used on certain products which corresponds to a specific geographical location or origin (e.g., a town, region, or country). India, as a member of the World Trade Organization (WTO), enacted the Geographical Indications of Goods (Registration and Protection) Act, 1999 has come into force with effect from 15 September 2003.
Indication (medicine) In medicine, an indication is a valid reason to use a certain test, medication, procedure, or surgery. There can be multiple indications to use a procedure or medication.
Empirical evidence Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure.
Contraindication In medicine, a contraindication is a condition that serves as a reason not to take a certain medical treatment due to the harm that it would cause the patient. Contraindication is the opposite of indication, which is a reason to use a certain treatment.
Medical test A medical test is a medical procedure performed to detect, diagnose, or monitor diseases, disease processes, susceptibility, or to determine a course of treatment. Medical tests such as, physical and visual exams, diagnostic imaging, genetic testing, chemical and cellular analysis, relating to clinical chemistry and molecular diagnostics, are typically performed in a medical setting.
Clinical trial Clinical trials are experiments or observations done in clinical research. Such prospective biomedical or behavioral research studies on human participants are designed to answer specific questions about biomedical or behavioral interventions, including new treatments (such as novel vaccines, drugs, dietary choices, dietary supplements, and medical devices) and known interventions that warrant further study and comparison.
Phases of clinical research The phases of clinical research are the stages in which scientists conduct experiments with a health intervention to obtain sufficient evidence for a process considered effective as a medical treatment. For drug development, the clinical phases start with testing for safety in a few human subjects, then expand to many study participants (potentially tens of thousands) to determine if the treatment is effective.
Adaptive clinical trial An adaptive clinical trial is a dynamic clinical trial that evaluates a medical device or treatment by observing participant outcomes (and possibly other measures, such as side-effects) on a prescribed schedule, and, uniquely, modifying parameters of the trial protocol in accord with those observations. This is in contrast to traditional randomized clinical trials (RCTs) that are static in their protocol and do not modify any parameters until the trial is completed.
Randomized controlled trial A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical techniques, medical devices, diagnostic procedures or other medical treatments.
Durand Jones & The Indications Durand Jones & The Indications is an American contemporary R&B and soul group founded by the core songwriting trio of singer Durand Jones, singer/drummer Aaron Frazer, and guitarist Blake Rhein. Formed in 2012, the band came to prominence as part of the soul revivalist movement around the time of the reissue of their debut album in 2018.
Geographical indications and traditional specialities in the European Union Three European Union schemes of geographical indications and traditional specialties, known as protected designation of origin (PDO), protected geographical indication (PGI), and traditional specialities guaranteed (TSG), promote and protect names of agricultural products and foodstuffs. Products registered under one of the three schemes may be marked with the logo for that scheme to help identify those products.
Risk Factors
BIOPURE CORP Item 1A Risk Factors Our future operating results could differ materially from the results described in this report due to the risks and uncertainties related to our business, including those discussed below
Furthermore, these factors represent risks and uncertainties that could cause actual results to differ materially from those implied by forward-looking statements
These risks and uncertainties are not the only ones we face
Others that we do not know about now, or that we do not now think are important, may impair our business or the trading price of our securities
Company Risks We have a history of losses and expect future losses
We have had annual losses from operations since our inception in 1984
In the fiscal years ended October 31, 2003, 2004 and 2005, we had losses from operations of dlra47cmam312cmam000, dlra41cmam832cmam000 and dlra29cmam143cmam000
We had an accumulated deficit of dlra499cmam009cmam000 as of October 31, 2005
We anticipate that we will continue to generate losses for the next several years
Even if Hemopure were to be approved by the FDA or analogous European regulatory authorities, we might not be able to achieve profitable operations
We require significant funding in order to continue to operate
We expect that our cash on hand at October 31, 2005 together with funds raised in December 2005 and January 2006 will fund operations through August 2006
Sufficient funds may not be available to us thereafter or on terms that we deem acceptable, if they are available at all
Our auditors have modified their report for our fiscal year ended 17 _________________________________________________________________ [69]Table of Contents October 31, 2005 with respect to our ability to continue as a going concern
This modification may negatively impact our capital raising efforts
We are required under the Nasdaq Stock Market’s Marketplace Rules to obtain stockholder approval for any issuance of additional equity securities that would comprise more than 20 percent of our total shares of common stock outstanding before the issuance of the securities at a discount to the greater of book or market value in an offering that is not deemed to be a “public offering” by Nasdaq
Funding of our operations in the future may require stockholder approval for purposes of complying with the Nasdaq Marketplace Rules
We cannot assure you that we will not require such approval to raise additional funds or that we would be successful in obtaining any such required stockholder approval
Failure to raise sufficient additional funds will significantly impair or possibly cause us to cease the development, manufacture and sale of our products and our ability to operate
The development and regulatory processes for seeking and obtaining approval to market Hemopure in the United States and the European Union have been and will continue to be costly
We will require substantial working capital to develop, manufacture and sell Hemopure and to finance our operations until such time, if ever, as we can generate positive cash flow
If Hemopure is approved by the FDA or the analogous European regulatory authorities, we expect that we will need to increase our manufacturing capacity, for which we will require significant additional funding
If additional financing is not available when needed or is not available on acceptable terms, we may be unable to successfully develop or commercialize Hemopure or to continue to operate
A sustained period in which financing is not available could force us to go out of business
Our auditors have modified their report for our fiscal year ended October 31, 2005 with respect to our ability to continue as a going concern
Our funds on hand, amounts raised subsequent to year-end and forecasted sales for fiscal 2006 at October 31, 2005 are not sufficient to fund our planned operations through the first quarter of fiscal 2007 and, as a result, the audit report of Ernst & Young LLP, our independent auditor, on our fiscal 2005 consolidated financial statements includes a going concern modification
This type of modification typically would indicate that our recurring losses from operations and current lack of sufficient funds to sustain operations through the end of fiscal 2006 raise substantial doubt about our ability to continue as a going concern
To remain a going concern we require significant funding
We believe that our cash and cash equivalents on hand of approximately dlra10dtta5 million as of October 31, 2005, together with our other current assets as of October 31, 2005 and the proceeds from offering of securities in December 2005 and January 2006, are sufficient to fund our operations through August 2006
The inclusion of a going concern modification in Ernst & Young LLP’s audit opinion may materially and adversely affect our stock price and our ability to raise new capital
Our consolidated financial statements have been prepared on the basis of a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business
If we became unable to continue as a going concern, we would have to liquidate our assets and we might receive significantly less than the values at which they are carried on our consolidated financial statements
Any shortfall in the proceeds from the liquidation of our assets would directly reduce the amounts, if any, that holders of our common stock could receive in liquidation
If we cannot retain the personnel we need, our costs will rise significantly
If we cannot hire or retain the best people, our operations will suffer
We may experience the loss of personnel, including executives and other employees, as a result of attrition, which we have previously experienced
We expect that in the future we will need to recruit and retain personnel for important positions
We may be unable to do so, in particular if we are unable to raise additional capital
18 _________________________________________________________________ [70]Table of Contents We may fail to obtain FDA approval for Hemopure, in which event we cannot market Hemopure in the United States, which would have negative consequences for the Company
We will not be able to market Hemopure in the United States unless and until we receive FDA approval
In pursuing both the ischemia and trauma indications for Hemopure, as a prerequisite to further clinical trials for Hemopure in the United States, we must address the FDA’s safety and other relevant questions arising out of our previously-submitted BLA for an orthopedic surgery indication
Addressing these questions requires considerable data gathering and analysis
We must rely on contractors to complete some of the work
We have been delayed, and could be further delayed, in responding either by the contractors’ failure or inability to timely complete their tasks, or by other unanticipated delays or difficulties and lack of resources
The FDA may find that responses we may give do not adequately address its questions and that the results of preclinical animal studies the FDA has asked for do not adequately address its concerns
In turn, we would be indefinitely unable to pursue development of Hemopure in the United States, a very large, key market
Moreover, even if we adequately address the FDA’s questions, we will need to obtain FDA acceptance of the protocols for, and to complete, human clinical trials to obtain FDA approval for Hemopure for ischemia and trauma indications
We cannot predict when or whether we will submit an IND for an ischemia indication
Consequently, we do not know whether or when we will be able to commence a US clinical trial of Hemopure for an ischemia indication, or that we will be able to conduct or satisfactorily conclude additional clinical trials required to obtain FDA marketing authorization for this indication
In the case of the trauma indication, the NMRC has primary responsibility for designing and seeking FDA acceptance of a two-stage Phase 2/3 clinical protocol for trauma in the out-of-hospital setting and is expected to be principally responsible for conducting the trial
The NMRC has filed an IND, and the FDA has put the proposed trauma protocol on clinical hold
If the FDA ultimately grants acceptance and the trial is commenced and concluded, the results of the trial may not lead to authorization for marketing Hemopure for the proposed trauma indication
In addition, future or existing governmental action or changes in FDA policies or precedents may result in delays or rejection of an application for marketing approval
The FDA has considerable discretion in determining whether to grant marketing approval for a drug, and may delay or deny approval even in circumstances where the applicant’s clinical trials have proceeded in compliance with FDA procedures and regulations and have met the established end points of the trials
Despite all of our efforts, the FDA could refuse to grant marketing authorization for Hemopure
Challenges to FDA determinations are generally time consuming and costly, and rarely succeed
We can give no assurance that we will obtain FDA marketing authorization for Hemopure for any indication
The failure to obtain any approval would have severe negative consequences for our company
If we fail to obtain regulatory approvals in foreign jurisdictions, we will not be able to market Hemopure abroad
We also intend to seek to market Hemopure in international markets, including the European Union
Whether or not FDA marketing authorization has been obtained, we must obtain separate regulatory approvals in order to market our products in the European Union and many other foreign jurisdictions
The regulatory approval processes differ among these jurisdictions, and the time needed to secure marketing approvals may be even longer than that required for FDA approval
These applications may require the completion of additional preclinical and clinical studies
Approval in any one jurisdiction does not ensure approval in a different jurisdiction
As a result, obtaining foreign approvals will require additional expenditures and significant amounts of time
We can give no assurance that we will obtain marketing authorization for Hemopure in any foreign jurisdiction other than that already obtained in South Africa
Clinical trials are extremely costly and subject to numerous risks and uncertainties
To gain regulatory approval from the FDA and analogous European regulatory authorities for the commercial sale of any product, including Hemopure, we must demonstrate in clinical trials, and satisfy the FDA and foreign regulatory authorities as to, the safety and efficacy of the product
Clinical trials are expensive and time-consuming, as is the regulatory review process
Clinical trials are also subject to numerous risks and uncertainties not within our 19 _________________________________________________________________ [71]Table of Contents control
For example, data we obtain from preclinical and clinical studies are susceptible to varying interpretations that could impede regulatory approval
Further, some patients in our clinical trials may have a high risk of death, age-related disease or other adverse medical events that may not be related to our product
These events may affect the statistical analysis of the safety and efficacy of our product
If we obtain marketing authorization for a product, the authorization will be limited to the indication approved
In addition, many factors could delay or result in termination of ongoing or future clinical trials
Results from ongoing or completed preclinical or clinical studies or analyses could raise concerns over the safety or efficacy of a product candidate
For example, in April 2003 the FDA placed a proposed Phase 2 clinical trial of Hemopure for the treatment of trauma in the in-hospital setting on clinical hold citing safety concerns based on a review of data from our Phase 3 clinical trial in patients undergoing surgery
Recently it placed a clinical hold on a trauma trial proposed by the NMRC We cannot assure investors that the FDA will not place other clinical trials we sponsor or others may sponsor on hold in the future
A clinical trial may also experience slow patient enrollment
The rate of completion of our clinical trials is dependent in large part on the rate of patient enrollment
There may be limited availability of patients who meet the criteria for certain clinical trials
Delays in planned patient enrollment can result in increased development costs and delays in regulatory approvals
Further, we rely on investigating physicians and the hospital trial sites to enroll patients
At our recommendation, the South African hospital that is the sole site for our trauma trial interrupted enrollment in late 2004 to address site procedures, not product related issues
Enrollment at that site continues to be slow
In addition, patients may experience adverse medical events or side effects resulting in delays, whether or not the events or the side effects relate to the study material, and there may be a real or perceived lack of effectiveness of, or safety issues associated with, the product we are testing
We experienced one such delay in our now completed European coronary angioplasty trial
If we do not have the financial resources to fund trials required to develop Hemopure for multiple potential indications, our success as a company will be adversely affected
We cannot sell Hemopure for any indication unless we receive regulatory approval for that indication
Regulatory authorities generally require a separate marketing approval for each proposed indication for the use of Hemopure in the United States
In order to market Hemopure for more than one indication, we will have to design additional clinical trials, submit the trial designs to applicable regulatory authorities for review and complete those trials successfully
If any applicable regulatory authority approves Hemopure for an indication, it may require a label cautioning against Hemopure’s use for indications for which it has not been approved
We may not have funds available to try to exploit Hemopure for all of its potential indications
Our potential revenues will be impaired by limitations on Hemopure’s use
The Securities and Exchange Commission has filed a civil injunctive proceeding against us, two of our former officers and one of our current officers
We and several of our former and current officers and directors are subject to consolidated class action lawsuits, and we and several of our former and current directors and officers are subject to consolidated derivative actions
As discussed in detail above, in September 2005, the SEC filed a civil proceeding against us, two former officers, and one current officer, following an investigation that began in 2003
The SEC is seeking a permanent injunction restraining and enjoining the defendants from violating or aiding and abetting violations of Federal securities laws, a civil monetary penalty from each of the defendants, and an order barring the former and current officer defendants from serving as officers or directors of any publicly-traded company
Following our first announcement of the SEC investigation, a number of lawsuits were filed against us and several of our former and current directors and officers
We can provide no assurance as to the outcome of any of these proceedings
Members of our board of directors and management may spend considerable time and effort defending against any class action lawsuits, the action brought by the SEC and derivative actions
This expenditure of time and effort may adversely affect our business, results of operations and financial condition
We may incur substantial costs in connection with these proceedings, lawsuits and derivative actions, including significant legal expenses, fines, judgments or settlements that exceed the amount of, or are not covered by, our insurance policies
In addition, the uncertainty about the possible effect of 20 _________________________________________________________________ [72]Table of Contents these matters on our financial position and results of operations may adversely affect our stock price and our ability to raise capital