Definition of preclinical in English:


Pronunciation /prēˈklinik(ə)l/ /priˈklɪnɪk(ə)l/


  • 1Relating to or denoting the first, chiefly theoretical, stage of a medical education.

    ‘preclinical students’
    • ‘Medical students with high preclinical and clinical grade point averages were, surprisingly, more likely to express an external orientation.’
    • ‘Between 1991 and 1995, some students were sent for preclinical training in Australia and South Africa as well as Britain.’
    • ‘Today, gross anatomy is taught in a preclinical dissection course for second year medical students.’
    • ‘The researchers noted that of the 86 preclinical dental students in Paris who did not have regular contact with latex gloves, all had negative skin test results when the same battery of skin tests was used.’
    • ‘I was 20, a first year preclinical student, awaiting surgery for a large hiatus hernia.’
    • ‘It's sufficient to say that preclinical medical students aren't the only people a little enamored with this disease.’
    • ‘It covers 4300 journals devoted to medicine, nursing, dentistry, veterinary medicine, healthcare systems, and the preclinical sciences.’
    • ‘Electronic databases will continue to grow in size and cover medicine, nursing, dentistry, veterinary medicine and the preclinical sciences.’
    • ‘In future medical courses will comprise six years: two years of preclinical studies, three years of clinical studies, and one year of practical work on the wards.’
    • ‘There will be only two major examinations, one after the preclinical phase and the last one after the practical year, but examinations on the individual clinical subjects will be held after each course.’
    • ‘After graduation, he decided to follow a growing conviction that his life should be in medicine, and he moved to Oxford for preclinical studies.’
    • ‘Researchers in the United States have identified two observable measures that predict future professionalism: conscientious behaviour; and humility in self assessment in the preclinical years.’
    • ‘She completed her preclinical training at technical colleges before going to Leeds, where she met her husband, Benno Pollak.’
    • ‘He trained at Edinburgh because Guy's would not recognise his preclinical year at Witswattersrand University.’
    • ‘I had just finished my preclinical training at Cambridge and had come down to London to walk the wards at Bart's.’
  • 2Relating to or denoting the stage in a disease prior to the appearance of symptoms that make a diagnosis possible.

    ‘preclinical muscular dystrophy’
    • ‘Improved understanding of this illness during the slow progression from preclinical to moderate disease would aid the development of strategies for primary and secondary prevention.’
    • ‘Diseases with long preclinical phases are more likely to be detected by screening.’
    • ‘Mercury is neurotoxic, and even in people with low level chronic exposure, subtle preclinical effects on symptoms, mood, motor function, and cognition have been identified.’
    • ‘These results, although striking, deserve additional investigation within preclinical models of allergic airway disease and possibly, subsequent investigation in populations of patients with asthma.’
    • ‘This provides a wide therapeutic window, especially as groups at risk are identified earlier and preclinical diagnosis becomes feasible.’
    • ‘Alzheimer's disease is characterised by a preclinical phase, during which cognitive deficits are seen before diagnosis’
    • ‘He said he hopes the model will be useful in preclinical testing of possible preventive therapies before they are given to human subjects.’
    • ‘Moreover, we screened for preclinical signs and not for signs of overt lung disease.’
    • ‘Data from a screening study showed that a screening interval of nine months was too long, and from this it was assumed that bladder cancer has a brief preclinical duration.’
    • ‘There is ample evidence of a prolonged preclinical phase in lung cancer.’
    • ‘These are proving particularly effective for treating cancer in preclinical models.’
    • ‘If patients aged over 45 with other risk factors are screened every three years, and those with impaired fasting glucose have an oral glucose tolerance test, nearly all cases of diabetes will be identified in a preclinical phase.’
    • ‘These findings suggest a need for in vivo studies with this combination in preclinical prostate cancer models.’
    • ‘Beyond the fear and uncertainty about this illness, the diabetes study has been condemned for insufficient preclinical research.’
  • 3Relating to or denoting the stage of drug testing that precedes the clinical stage.

    ‘preclinical trials’
    • ‘A number of such vectors are currently being developed and tested in preclinical and early phase clinical trials.’
    • ‘Several drugs are currently under preclinical and early phase clinical study.’
    • ‘The efficacy and safety of some of the new vaccine candidates have been evaluated and proven in human preclinical / clinical trials.’
    • ‘In 2001 and 2002 we completed all of our clinical trials, our preclinical trials, and the animal work and bench work on the product.’
    • ‘The drugs are in clinical and preclinical trials.’
    • ‘Some recent reviews are listed here on general properties of porphyrins as sensitizers and on their preclinical and clinical tests.’
    • ‘They also do the vast majority of drug development, from preclinical animal studies through human clinical trials (the latter in collaboration with academic medical centers), and bear the economic risk.’
    • ‘The grant will fund two clinical trials, three preclinical research studies, and a training program in gene therapy.’
    • ‘The authors called for greater use of systematic reviews in preclinical drug evaluation.’
    • ‘Only five compounds out of 5,000 in preclinical tests get as far as human trials.’
    • ‘Based on preclinical studies and clinical trials in other cancers, we believe that our technology has the potential to be a safe and effective treatment for this challenging disease.’
    • ‘The proportion of biomedical research paid for by industry has changed little during the past 10 years, but the pharmaceutical industry has shifted its focus away from preclinical research and towards clinical trials.’
    • ‘Research and development is currently at preclinical stage, progressing to Phase I clinical trials in 2005.’
    • ‘By developing excellent preclinical safety profiles of drug candidates, it has been able to streamline development, allowing researchers to rapidly assess a drug's antiviral activity and effectiveness.’
    • ‘Drug Reports are summaries of drugs in development from preclinical to launched drugs.’
    • ‘In preclinical testing these vectors were highly effective against cancerous tumors and did not harm normal tissues.’
    • ‘‘What we're discovering about the human genome has implications in every stage from preclinical research to the point where you start putting new drugs into people,’ he says.’
    • ‘Had preclinical trials involved 50 rhesus monkeys instead of 20, and also involved chimpanzees as well as rats, mice and rabbits, then the potential for a catastrophic event in humans might have been detected.’
    • ‘In preclinical trials, it has been shown to reduce the incidence of diabetes in animals, apparently by down-regulating the immune response.’



/prēˈklinik(ə)l/ /priˈklɪnɪk(ə)l/