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American Association for Medical Chronobiology and Chronotherapeutics (AAMCC)

Chronobiology and Chronotherapy of Arthritic Diseases*

 

Arthritic diseases such as rheumatoid arthritis, osteoarthritis, ankylosing spondylitis and gout exhibit profound circadian rhythms in the manifestation and intensity of symptoms (1-4).

Rheumatoid Arthritis

Rheumatoid arthritis is a chronic inflammatory autoimmune disorder. The cardinal signs of rheumatoid arthritis are stiffness, swelling and pain of one or more joints of the body characteristically most severe in the morning. Rheumatoid arthritis shows a marked circadian variation in its symptoms. A group of British volunteers self-assessed the pain and stiffness of affected finger joints every 2 to 3 hours daily for several consecutive days. They also measured the circumference of the arthritic joints to gauge the amount of their swelling, and they performed grip strength tests to determine the effect of the arthritic condition on the hands (1,2). Ratings of the severity of joint pain swelling and stiffness were about 3 times higher between 08:00 and 11:00 than at bedtime. In contrast, hand strength was lower by as much as 30% in the morning than at night. This is typical of rheumatoid arthritis sufferers (3-5).

Osteoarthritis

The circadian rhythm of pain and stiffness in osteoarthritis differs from that of rheumatoid arthritis. Osteoarthritis is a degenerative disease of the joints and is the commonest of all joint diseases, affecting nearly everyone at least to some degree by age 70. The weight bearing joints of the hip, knee, back, toes and fingers are mostly affected.

The pain of osteoarthritis sufferers is typically less intense in the morning than in the afternoon or evening. This is illustrated by the findings of a Canadian study of 20 persons troubled with osteoarthritis of the knee (6). Participants did pain self-ratings 10 times daily for 7 consecutive days. For the group as a whole, pain intensity was rated about 40 percent higher on average between 20:00 and midnight than between 06:00 and 10:00. However, the exact nature of the 24-hour pattern of pain differed from person to person. In 40 percent, pain was greatest between 14:00 and 20:00, and in 25 percent, it was highest between 20:00 and midnight. In 15 percent, it peaked at 2 different times of the day, and in 20 percent, the level of pain exhibited no day-night variation whatsoever. Interestingly, 40 percent of the people exhibited weekly rhythms in pain intensity, although the exact day of the week it was worse varied. In some, it was more intense at the end of the week and in others the beginning.

A French study on 57 osteoarthritis sufferers also found great individual variation in the temporal patterns in pain (7). In 33 percent, pain was most intense between 14:00 and 20:00. In 14 percent, it was worse between midnight and 08:00, and in 5 percent, it was worse between 08:00 and 14:00. A large proportion, 40 percent, had two peaks of pain daily, while 7 percent showed no temporal pattern.

In summary, the day-night cycle of pain in osteoarthritis varies from one individual to another. Some experience worse pain in the morning and others at night. Some experience 2 peaks, in the morning and evening, while still others experience pain of equal intensity through out the 24 hours. The successful treatment of osteoarthritis requires that medications be taken at the right time relative to the day-night pattern of pain in each person.

Ankylosing Spondylitis

Ankylosing spondylitis is characterized by swelling and discomfort of the joints of the back. In its occurrence it is an inherited disorder that is more common in men than women. One investigator used questionnaires to study daily cycles in the back symptoms of 39 people suffering from this disease (8). Overall, back stiffness and pain were a problem throughout the 24 hours, but pain intensity was rated 2 to 3 times higher and stiffness about 8 times greater between 06:00 and 09:00 than between noon and 15:00 when each was least bothersome. The symptoms also exhibited a second less prominent peak between 19:00 and 21:00. The findings of a French study of 26 people suffering from this medical condition were identical (9). Ratings of the intensity of back stiffness and pain were higher in the morning and evening than in the afternoon. Marked seasonal variation in ankylosing spondylitis was also prominent. The onset of backache and stiffness was 12 times more frequent in winter than summer. Moreover, reoccurrence of back problems occurs 2 to 3 times more often in winter than summer (8).

Chronotherapy Arthritic Problems

The treatment of arthritic conditions relies on medicines that fight joint swelling, stiffness, and pain. Several European investigators have studied how rhythms affect arthritic medications known as non-steroidal anti-inflammatory drugs, or NSAIDs for short. NSAIDs reduce the swelling, stiffness, and pain of arthritis, but they also cause disturbing side effects such as indigestion, stomach ulcers, headache, anxiety and dizziness. The side effects of NSAIDs can be so bothersome that some people must stop taking them.

A number of studies clearly show that the time when NSAIDs and other anti-arthritic medicines are taken is critical. Taking the medicines at the wrong time of day compromises their effectiveness and increases the risk of side effects (10). Chronotherapy provides ways of increasing the effectiveness and safety of arthritis medications.

Chronotherapy of rheumatoid Arthritis with NSAIDs

The chronotherapy of arthritic disease involves determining the best time to take NSAIDs or other types of medicines to enhance their desired effects and avoid or minimize unwanted ones. Already in 1976, Huskisson discovered that an evening once-a-day treatment schedule of the NSAID, indomethacin, was much more effective in controlling the prominent morning symptoms of rheumatoid arthritis than a morning one (5). Moreover, he found people much better tolerated the medicine and with less complaint of side effects when administered as a single daily dose in the evening than morning.

Another study examined the role of treatment schedule on the therapeutic effect of the NSAID, flurbiprofen (1). 17 rheumatoid sufferers self-assessed the severity of their symptoms 6 times daily for 3 or 4 days while being treated by different medication schedules. One schedule consisted of 4 small equal flurbiprofen doses taken at equal intervals during the activity period. Three other schedules consisted of 2 large doses that were taken at different clock times during different weeks of study. For one week, the medicine was taken in the morning and midday, for another in the morning and at bedtime and for another at midday and bedtime. The twice-a-day schedules, consisting of a large bedtime dose, best controlled the bothersome morning symptoms of rheumatoid arthritis. The other treatment schedules failed to control the morning symptoms. The findings of a second study on flurbiprofen were exactly the same (11). To control the morning symptoms of rheumatoid arthritis -- swelling, stiffness, and pain, a large daily NSAID dose must be taken in the evening or at bedtime.

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Chronotherapy of Osteoarthritis with NSAIDs

Medical interest in the chronotherapy of osteoarthritis with NSAIDs commenced in Europe almost 20 years ago. One French investigation evaluated the effect of a long-acting ketoprofen product when taken at different times of day (12). On one occasion 118 people took 200 milligrams of the medicine at 08:00 and a look-alike inactive sugar-filled placebo pill at 20:00. On another, they took the placebo in the morning and the active medicine at night. Both treatment schedules were equally effective in controlling the symptoms of osteoarthritis. However, taking the medicine in the morning rather than evening caused twice as many people to experience bothersome side effects, mainly stomach pain, nausea and diarrhea.

The largest study of the chronotherapy of osteoarthritis with NSAIDs was conducted in France during the 1980s (7). It involved 240 persons suffering from osteoarthritis of the hip, 240 suffering from osteoarthritis of the knee and 37 suffering from osteoarthritis of some other joint. The object of the study was to determine the best time to take the long-acting, once-a-day formulation of indomethacin. Each participant did self-assessments of their pain intensity every 2 hours during day and evening for a couple of days before and after treatment. During different study weeks, people took the medicine at a single time of day, either at 08:00, noon or 20:00. The risk of experiencing bothersome side effects of the indomethacin was strongly dependent on the time of day it was taken. Taking indomethacin at 08:00 as opposed to 20:00 resulted in a quadrupling of the number of complaints of dizzy spells, headaches, anxiety, nausea, stomach pain and indigestion (7,13-16). Overall, 44 persons withdrew from the study because of intolerable side effects of the medication. Remarkably, 66 percent of the withdrawals took place while taking indomethacin in the morning.

The time of day the medicine produced its best effect varied from person to person. The most fitting time to take the medicine depended on the time of day pain was most intense. Nearly 90 percent who experienced pain most intensely between 06:00 and 16:00 preferred a noon or evening treatment time. In contrast, 82 percent of those who experienced pain worse between 16:00 and 23:00 preferred a morning or afternoon treatment time (16). It was remarkable how much the time of day of taking the medicine mattered. Taking the once-a-day indomethacin medicine 4 to 8 hours before as opposed to after the time of day pain was most intense in a patient resulting in a doubling of its effectiveness!

Chronotherapy of Arthritis with Corticosteroids

Severe forms of arthritis often require treatment with corticosteroids such as prednisone, prednisolone, methlyprednisolone and triamcinolone to control both pain and stiffness. Unfortunately, when these are taken for a long period of time, they can cause dangerous side effects, such as suppression of the endogenous corticosteroids, stomach ulcers, bone weakening, cataract formation, and mood alterations

The time of day these medicines are taken determines the risk of suffering suppression of normal cortisone production and other drug-induced side effects. Treatment schedules that involve an evening or nighttime ingestion time result in greatest cortisone suppression (17-19). Morning or early afternoon once-a-day schedules are least detrimental (20). Thus, the best way to minimize or avoid the side effects of these medications, especially when large doses are involved, is to take them in the morning.

Morning is the safest time to take cortisone-like medicines, but is this the right time to take them to best control the symptoms of arthritic diseases? During the past 30 years, several research studies have assessed the safety and effectiveness of various types of twice-a-day and once-a-day morning, afternoon and evening treatment schedules for rheumatoid arthritis. Some arthritis specialists recommend low dose cortisone-like medications at bedtime over twice-a-day or morning once-a-day schedules, since they feel it better controls the extreme pain and stiffness in the morning (21,22). Others argue that taking even low doses of these medications at bedtime can lead to harmful side effects (17-20,23). Three studies compared the safety and efficiency of dosing schedules that involved multiple daily doses to once-day morning ones (24-26). The results of all the studies were the same. The 2 treatment schedules were equivalent in controlling the prominent morning symptoms of rheumatoid arthritis; however, morning dosing best avoided the development of drug-induced side effects.

A group of British investigators wondered if once-a-day treatment given at a time other than the morning or evening would be more advantageous (27). Low dose prednisolone was taken by a group of 12 rheumatoid arthritis sufferers during different 4-week study periods either at 08:00, 13:00, and 23:00. Hand grip strength measurements and side effect assessments were done during the last 3 days of each timed treatment. Side effects were uncommon no matter the time of treatment. Inspection of the published grip strength values shows that 60 to 70 percent of the rheumatoid arthritis sufferers benefited to a greater extent from the 13:00 than the 08:00 treatment. It is of interest that recent studies on asthma, a disease characterized by swelling tissue of the air passages of the lung rather than the joints as in arthritic conditions, shows a single daily 15:00 treatment schedule of cortisone-like medications is better than a morning or bedtime one.

Summary

1. The symptoms of rheumatoid arthritis are always worse in the morning. Taking long-acting NSAIDs like flubiprofen, ketoprofen and indomethacin at bedtime optimizes their therapeutic effect and minimizes or averts their side effects. 12-hour sustained-release NSAIDs that are taken twice a day must include a night or bedtime ingestion time to ensure adequate control of the prominent morning symptoms of rheumatoid arthritis.

2. The temporal pattern of pain and stiffness in osteoarthritis sufferers differs between persons. Thus, an individualized chronotherapy of NSAIDs is necessary. The chronotherapy of osteoarthritis involves the administration of once-a-day forms of ketoprofen, indomethacin and other such medicines in relation to the time of day pain is worse. If pain is worse at night or early in afternoon, an evening once-a day NSAID schedule is recommended. If pain is worse in the afternoon or night, a once-a-day morning or noontime treatment schedule is best, providing the amount of side effects produced by the morning one, in particular, is minimal.

3. If the arthritic condition is severe, synthetic corticosteroids are often of benefit. Morning once-a-day dosing of these medicines is least likely to cause side effects especially if they are taken for a long period of time. Splitting the daily dose of medicine into several small ones for ingestion with meals and at bedtime or taking the entire daily dose at night is not recommended unless absolutely necessary. The risk of severe side effects from these medications increases when they are taken more than 8 to 9 hours after the customary time of awakening, after 15:00 for most people. The later in the day these medications are taken, the greater the risk of side effects. If the relief from the morning symptoms of rheumatoid arthritis sufferers is not attained by a once-day morning schedule, an increase in the morning dose is recommended. The results of one study suggest an early afternoon once-a-day treatment schedule might be beneficial for those people who fail to get significant relief from the morning pain and stiffness of rheumatoid arthritis when taking medicine in the morning.

 

*Summary of background information for chapter 15 in:
SMOLENSKY M.H. and LAMBERG L: Body Clock Guide to Better Health; H.Holt, NY., 2001.

 

References

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(2) Kowanko IC, Knapp MS, Pownall R, Swannell AJ. Domiciliary self-measurements of in rheumatoid and the demonstration of circadian rhythmicity. Annals of Rheumatic Disease. 1982;41:453-455.

(3) Swannell AJ. Biological rhythms and their effect in the assessment of disease activity in rheumatoid arthritis. British Journal Clinical Practice. 1983; 38(supplement 33):16-19.

(4) Harkness JAL, Richter MB, Panayi GS et al. Circadian variation in disease activity in rheumatoid arthritis. British Medical Journal. 1982;284:551-554.

(5) Huskisson EC. Chronopharmacology of ant-rheumatic drugs with special reference to indomethacin. In: Inflammatory Arthropathies. EC Huskisson and GP Velo Editors. Amsterdam, Excepta Medica. 1976, pp. 99-105.

(6) Bellamy N, Sothern RB, Campbell J. Rhythmic variations in pain perception in osteoarthritis of the knee. Journal of Rheumatology. 1990;17:364-372.

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(8) Alvin M, Focan-Hensard D, Levi F et al. Chronobiological aspects of spondylarthritis. Annual Review of Chronopharmacology. 1988;5:17-20.

(9) Reinberg A, Manfredi R, Kahn MF et al. Tenoxicam chronotherapy of rheumatic diseases. Annual Review of Chronopharmacology. 1990;7:293-296.

(10) Labrecque G. Inflammatory reaction and disease states. In: Biologic Rhythms in Clinical and Laboratory Medicine. Yvan Touitou and Erhard Haus, editors. Berlin, Springer-Veralg. 1992, pp. 483-492.

(11) Rejholec V, Vitulova V, Vachtenheim J. Preliminary observations from a double-blind crossover study to evaluate the efficiency of fluriprofen given at different times of day in the treatment of rheumatoid arthritis. Annual Review of Chronopharmacology. 1984;1:357-360.

(12) Boissier C, Decousus H, Perpoint B et al. Timing optimizes sustained-release ketoprofen treatment in osteoarthritis. Annual Review of Chronopharmacology. 1990;7:289-292.

(13) Bouchancourt P, Le Louarn C. Etude chronotherapeutique de líindometacine a effet prolonge dans líarthrose des membres inferieurs. Tribune Medicale. 1982;1(Supplement):32-35.

(14) Simon L, Herisson P, Le Louarn C et al. Etude hospitaliere de chronotherapeutique avec 75 mg díindometacine a effet prolonge en pathologie rhumatismale degenerative. Tribune Medicale. 1982;1(Supplement):43-47.

(15) Levi F, Le Louarn C, Reinberg A. Etude chronotherapeutique en double-aveugle de 75 mg díindometacine a effet prolonge dans líarthrose. Tribune Medicale. 1982;1(Supplement):48-53.

(16) Levi F, Le Louarn C, Reinberg A. Chronotherapy of osteoarthritis patients: optimization indomethacine sustained released (ISR). Annual Review of Chronopharmacology. 1984;1:345-348.

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(18) Nichols T, Nugent CA, Tyler FH. Diurnal variation in suppression of adrenal function by gluccocorticoids. Journal of Clinical Endocrinology. 1965;25:343-349.

(19) Segre EJ, Klaiber EL. Therapeutic utilization of the diurnal variation in pituitary-adrenocortical activity. California Medicine. 1966;104:363-365.

(20) Reinberg AE. Chronopharmacology of corticosteroids and ACTH. In: Chronopharamcology. Bjorn Lemmer, Editor. New York, Marcel Dekker, Inc. 1989, pp.137-167.

(21) De Andrade JR, McCormick JN, Hill AGS. Small doses of prednisolone in the management of rheumatoid arthritis. Annuals of the Rheumatic Diseases. 1964;23:158-162.

(22) Murthy MHV, Rhymer A, Wright V. Indomethacin or prednisolone at night in rheumatoid arthritis. Rheumatology and Rehabilitation. 1978;17:8-13.

(23) Klinefelter KF, Winkenwerder WL, Bledsoe T. Single daily dose Prednisone therapy. Journal of the American Medical Association. 1979;241:2721-2723.

(24) Nugent CA, Ward J, MacDiarmid WD et al. Gluccocorticoid toxicity. Single contrasted with divided daily doses of prednisolone. Journal of Chronic Disease. 1965;18:323-332.

(25) Myles, AB, Bacon PA, Daly JR. Single daily dose corticosteroid treatment. Effect on adrenal function and therapeutic efficiency in various diseases. Annuals of the Rheumatic Diseases. 1971;30:149-153.

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