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2018, Biomedical Journal of Scientific & Technical Research
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3 pages
1 file
Background: Many diseases occur at certain times and after specific process. Their treatment also needs to be done at a certain time. There are seasonal time and environments that make up the diseases. In parallel with the type of the disease, their treatment also requires a specific process and period. Treatments not made at the right time and in the right place do not yield results. Aim of the study: The aim of this study is to show that treatment of diseases is related to the biological clock and the circadian rhythm. Methods: In our study, classical medical data and modern medical studies were evaluated together. Eclectic method is used in the article. In our study, there are no astrological data. Results: There are many factors that affect human health, from his/her own environment to the outside atmosphere such as sun and moon. Conclusion: In the direction of this study, it is found out that there are certain times of day and night for the treatment of diseases.
Background: The purpose of this study was to identify the most suitable time periods for the treatment of diseases by considering human biological clocks and consider treatment recommendations in terms of such factors and how they influence human health and treatment. Specifically, we address how planetary rays impact specific time zones. Methods: Reference sources come from the classical period in Islamic history where studies were done in the fields of medicine and astronomy. During a certain portion of the classical period, Islamic medical scientists were also at the same time interested in astronomy. Thus, they evaluated both astronomy and medical data in the course of treatment. This study has no connection with astrology.
Mammalians circadian pacemaker resides in the paired suprachiasmatic nuclei (SCN) and influences a multitude of biological processes, including the sleep–wake rhythm. Clock genes are the genes that control the circadian rhythms in physiology and behaviour. Due to that that pathophysiology several diseases like allergic rhinitis, arthritis, asthma, myocardial infarction; congestive heart failure, stroke, and peptic ulcer disease etc. give rise to day-night patterns in onset and symptoms exacerbation. The scientific study of biological rhythms and their underlying mechanisms is known as chronobiology and treatment using this concept is known as chronotherapy. The effectiveness and toxicity of many drugs vary depending on dosing time. Such chronophamacological phenomena are influenced by not only the pharmacodynamics but also pharmacokinetics of medication. Chronopharmacokinetics deals with the study of the temporal changes in absorption, distribution, metabolism and elimination of several drugs and thus takes into account the influence of time of administration on these. The role of circadian rhythms in the mechanisms of disease and the pharmacokinetics and pharmacodynamics of medications constitute a challenge to drug-discovery and drug-delivery scientists. This review represents the basic concept of circadian rhythm, mechanism and its synchronization with severity and occurrence of various diseases from viewpoint of chronopharmacology and chronotherapy.
2009
This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues.
Applied Sciences
Despite rigorous investigation of circadian rhythms in humans and animal models in the past, basic chronobiologic principles have not yet entered clinical practice [...]
PLOS Biology
The circadian clock is an evolutionarily highly conserved endogenous timing program that structures physiology and behavior according to the time of day. Disruption of circadian rhythms is associated with many common pathologies. The emerging field of circadian medicine aims to exploit the mechanisms of circadian physiology and clock–disease interaction for clinical diagnosis, treatment, and prevention. In this Essay, we outline the principle approaches of circadian medicine, highlight the development of the field in selected areas, and point out open questions and challenges. Circadian medicine has unambiguous health benefits over standard care but is rarely utilized. It is time for clock biology to become an integrated part of translational research.
Chronopharmacology involves both the investigation of drug effects as a function of biologic timing and the investigation of drug effects upon rhythm characteristics. Rhythmicity has been detected in a number of physiological variables such as pulse, temperature, blood pressure and hormonal secretions like diurnal variation insulin effects on blood glucose. Biological rhythms are also found in blood pressure, heart rate, acute cardiovascular disease, episodes of dyspnoea in asthma, in hormonal pulses, in the organization of the immunological system and in the processes of cellular proliferation. The goal of chronopharmacology is to optimize the therapeutic effect and control or reduce the adverse effects without altering the functioning of the drug in the body.There are convincing scientific works to indicate that more attention should be given to the timing of drug administration. Auto-induction, auto-inhibition and food effects are considered to be the reasons of chronopharmacology. Circadian rhythm and its effects are very much observed in the pharmacokinetics and pharmacodynamic of drugs given to the patients. Nowadays prescribers are concerned with "when to prescribe it" which is an important strategy taken along with "what to prescribe". Chronopharmacology can certainly create a favorable condition for drug effects and safety and may therefore represent an important method of improving the treatment of many diseases.
Chronopharmacology is useful to solve problems of drug optimization, i.e. to enhance the desired efficiency or to reduce its undesired effects. In the human organism (among other animal species) the metabolic fate of a pharmacologic agent (as well as that of a nutrient) is not constant as a function of time. Thus, the Chronobiological approach of pharmacologic phenomena involves a lesser risk of errors and/or false information than the conventional homeostatic approach. Chronopharmacology is the study of the manner & extent to which the kinetics & dynamics of medication directly affected by endogenous biological rhythm & also how the dosing time of medications affects biological timekeeping & features (period, level, amplitude & phase) of biological rhythms. Chronopharmacotherapy is the investigative science that elucidates the biological rhythm dependencies of medication. It is useful to solve problems of drug optimization i.e. to enhance the desired efficiency or to reduce its undesired effects. So Chronopharmacologic approaches involve a lesser risk of errors and or false information than the conventional homeostatic approach. The effectiveness & toxicity of many drugs vary depending on dosing time associated with 24 hours rhythm of biochemical , physiological & behavioural process under the control of circadian clock such chronopharmacological phenomenon are influenced by not only the pharmacokinetics but also pharmacodynamices of medication. Now a day Chronopharmacological principle is used in the therapy of various diseases such as hypertension, myocardial infarction, angina pectoris, pulmonary embolism, diabetes etc.
Biomedicine & Pharmacotherapy, 2000
2018
Biological rhythms represent fundamental property of most living organisms ranging from several forms of bacteria and single-cell organisms to multicellular plants and animals. Our body comprises of a whole system of biological clocks that coordinate beautifully with each other and also with the central clock that remains entrained with the external environment so that we live in harmony with our environment. In this article, we present an overview of the biological rhythms seen in organisms followed by a description of the human circadian system. The importance of the circadian system in metabolism affecting our metabolic health and behaviour has also been discussed. This review also covers how disruption of these circadian rhythms could cause several diseases in our body and includes some corrective measures for their treatments.
2005
Chronobiological strategies may provide an effective means of addressing some of the unmet needs in the treatment of depression, such as shortening the latency of onset of antidepressant action, combating residual symptoms, and preventing relapse in the long term. Light is the treatment of choice for winter depression (or seasonal affective disorder, SAD). Light therapy given as an adjuvant to medication in major nonseasonal depression, as well as in chronic and therapy-resistant depression, speeds up and potentiates clinical response. Light is also efficacious in bipolar depression; in these patients “dark therapy” (long nights) can diminish manic symptoms and stop rapid cycling. Total or partial sleep deprivation in the second half of the night (better known as “wake therapy”) induces marked improvement the following day. This amelioration can be maintained with concomitant treatment with antidepressants, lithium, light therapy, sleep phase advance, or combinations thereof. Carefu...
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