From the Department of Cardiology, Rabin Medical Center, Department of
Pediatrics C, Schneider Children's Medical Center of Israel, Beilinson
Campus, Petah Tiqva, and Sackler Faculty of Medicine, Tel Aviv University, Tel
Aviv, Israel (Y.A., Y.F., A.S.); the Department of Cardiology and Rheumatic
Diseases, Hospital de Sant Pau, Barcelona, Spain (J.G., A.R.d.l.S., A.B.-G.,
A.B.d.L.); the Department of Internal Medicine B, Sheba Medical Center, Tel
Hashomer, Israel (Y.S.); and the Division of Cardiology, St Vincent Hospital,
Worcester, Mass (D.H.S.).
Correspondence to Y. Adler, MD, Department of Cardiology, Rabin Medical Center, Beilinson Campus, Petah Tiqva, 49100, Israel.
Methods and ResultsBased on the proven efficacy of colchicine
therapy for familial Mediterranean fever (recurrent polyserositis),
several small studies have used colchicine successfully to prevent
recurrence of acute pericarditis after failure of conventional
treatment. Recently, we reported the results from the largest
multicenter international study on 51 patients who were treated with
colchicine to prevent further relapses and who were followed up for
ConclusionsIn light of new trial data that have accumulated in
the past decade, we review the evidence for the efficacy and safety of
colchicine for the prevention of recurrent episodes of pericarditis.
Clinical and personal experience shows that colchicine may be an
extremely promising adjunct to conventional treatment and may
ultimately serve as the initial mode of treatment, especially in
idiopathic cases.
The most troublesome complication of acute pericarditis is the
development of recurrent episodes of pericardial inflammation,
occurring in 15% to 32% of cases.2 3 4 5 Recurrent
pericarditis is, in most cases, idiopathic. The
pathophysiological process may involve the immune
system6,7: high titers of anti-myocardial
antibodies have been found in postopen heart surgery patients with
acute pericarditis. The optimal method for preventing
recurrences has not been established. Therapeutic modalities
are nonspecific and include nonsteroidal anti-inflammatory drugs
(NSAIDs), corticosteroids, immunosuppressive agents,
and pericardiectomy.1 8 Relapses may also occur
during reduction of drug doses (incessant pericarditis) or at varying
intervals after discontinuation of treatment (recurrent
pericarditis).9 Because treatment is often
difficult and recurrences may occur over a period of many
years,10 constant efforts are being directed
toward establishing better means for prevention. In light of recent
trial data, we will review the evidence supporting the use of
colchicine in preventing recurrent episodes of pericarditis.
On the basis of proven efficacy of colchicine in preventing relapses of
systemic inflammatory processes in familial Mediterranean fever
(recurrent polyserositis),11 12 Rodriguez de la
Serna and colleagues13 suggested in 1987 that
colchicine be used to prevent recurrences of acute
pericarditis. They reported on 3 patients who had recurrent
pericarditis (2 idiopathic and 1 with systemic lupus
erythematosus), despite adequate treatment with
corticosteroids. All were treated with colchicine (1
mg/d) with tapering of the corticosteroids within 2
months. There were no relapses throughout the follow-up period of 15 to
35 months.
In a later prospective study, Guindo and
colleagues14 reported on 9 patients (5
idiopathic, 2 postopen heart surgery, 1 with Dressler's syndrome,
and 1 with systemic lupus erythematosus) in
whom NSAIDs and corticosteroids failed to prevent
relapses of pericarditis (mean of 4.3 episodes per patient). All were
treated with combined prednisone (20 to 60 mg/d), which was tapered and
discontinued within 6 weeks, and colchicine (1 mg/d). Chest pain was
effectively relieved, and no recurrences of pericarditis were
noted within a 10- to 54-month follow-up period.
Adler and coworkers10 reported on 8 patients with
recurrent pericarditis (5 idiopathic, 2 postopen heart surgery, 1
post chest trauma) who had not responded to NSAIDs (6 patients),
corticosteroids (7 patients), and pericardiocentesis (3
patients). All responded to colchicine (1 mg/d) and
corticosteroids. The corticosteroids
were discontinued within 2 to 6 months, and no recurrences were
noted during the 18 to 34 months of follow-up. This result contrasts
with a total of 26 relapses in these 8 patients before the introduction
of colchicine. Four patients in whom colchicine had been withdrawn
because of noncompliance or mild gastrointestinal side effects
experienced a relapse within 1 to 12 weeks. With reinstitution of
colchicine therapy, they remained symptom-free for the 15 to 24 months
of follow-up.
Millaire and coworkers15 reported on 19 patients
who had recurrent pericarditis and were treated with colchicine
(loading dose of 3 mg/d, reduced to 1 mg/d). Fourteen had no
recurrences during a follow-up period of 32 to 44 months. In 4
others, relapses were successfully treated with NSAIDs, and these
patients remained symptom-free for an additional 11 to 37 months. Only
1 patient had multiple relapses and needed
corticosteroids. The authors concluded that colchicine
was an effective alternative therapy for recurrent pericarditis and
might even replace corticosteroids. In another report
by Adler et al,16 colchicine totally prevented
relapses in 56% of patients with previous episodes (range, 2 to 15
attacks) in a long-term follow-up (mean, 36 months per patient) study,
and when relapses did occur, they were usually mild and easily
controlled without steroids. These researchers suggested that
colchicine might even serve as the initial mode of therapy for
recurrent pericarditis, because most of the patients who experienced
relapses after the institution of colchicine or its withdrawal were
those who had previously been treated with
corticosteroids.16 Indeed,
several studies have found that corticosteroids may
have severe side effects and lead to new recurrences of
pericarditis or prolong disease duration.17 18 19 20
Thus, colchicine may also have a role in facilitating their
tapering-off process.9 Still, some authors doubt
the efficacy of colchicine because a double-blind, controlled study on
the subject is difficult to perform.21 It was for
this reason that Fowler and Harbin22 examined the
natural history of recurrent pericarditis to determine the frequency of
spontaneous remissions. Of the 31 patients included in their study,
only 8 had a remission period that exceeded 1 year; in 5 of the 8,
remission exceeded 2 years.
A partial answer to these doubts may be found in the largest
multicenter study on recurrent pericarditis and colchicine published to
date.23 Fifty-one affected patients (36 men and
15 women; mean±SD age, 40.8±18.7 years) who were treated with
colchicine to prevent further relapses were followed up for
The exact mechanism whereby colchicine prevents recurrences of
pericarditis is still not fully understood. Colchicine has been used
for several centuries as an anti-inflammatory agent for acute arthritis
and is the most specific known treatment for acute attacks of gout.
Colchicine binds to tubulin, blocks mitosis,9 and
inhibits a variety of functions of polymorphonuclear leukocytes
both in vivo and in vitro.24 Colchicine also
interferes with the transcellular movement of
collagen.25 The close proximity of lymphoid
components and fibroblasts at inflammatory sites and the
production of lymphokines, which influence fibroblast
chemotaxis, proliferation, and protein synthesis, are now well
recognized.26 Thus, colchicine may reduce
immunopathic antifibroblastic properties. The peak concentration of
colchicine in white blood cells may be
Cumulative anecdotal evidence indicates that colchicine may also be
effective in the treatment of the initial episodes of acute
pericarditis. Millaire and Durlaux,28 in a study
of 19 patients, described the efficacy of colchicine for the first
episode of acute pericarditis, especially when it was idiopathic,
viral, or postopen heart surgery. Colchicine effectively controlled
the acute phase of pericarditis in almost all cases. Only two relapses
were noted in a mean follow-up period of 5 months (range, 1 to 12
months), one due to discontinuation of treatment after 8 days and the
other due to noncompliance.
Recently, we examined the usefulness of colchicine for the treatment of
large pericardial effusions as complications of idiopathic
pericarditis.29 Colchicine (1 mg/d) was
administered to two patients (26 and 2 years old) with large acute or
chronic pericardial effusions who did not respond well to therapy with
NSAIDs, corticosteroids, and pericardiocentesis.
Response was immediate and dramatic in both cases, with disappearance
of the pericardial effusion on echocardiography.
Neither patient suffered a relapse during the respective 24 and 6
months of follow-up.
In addition to its apparently greater efficacy compared with
corticosteroids,9 16 colchicine
may also have a sparing effect on steroids, which have severe systemic
side effects over time and may prolong disease
duration.17 18 19 20 Furthermore, immunosuppressive
drugs and pericardiectomy are generally not appropriate and may even be
life threatening,21 whereas colchicine is usually
well tolerated, with only minor side effects. During a total of 1004
patient-months of colchicine treatment (mean, 12 months per patient),
temporary discontinuation of the drug or a reduction of its dose was
needed in only 7 of 51 patients (13.7%).23 This
was due to mild gastrointestinal side effects (diarrhea and nausea) in
all cases, which are the common drawbacks of colchicine therapy. Drug
toxicity with respect to long-term administration of colchicine might
be estimated from familial Mediterranean fever or gout patients.
Azoospermia and chromosomal abnormalities have been reported with
long-term treatment,30 but these findings are
debatable.
In conclusion, colchicine seems to be an effective and safe agent for
the prevention of recurrent episodes of pericarditis. Colchicine is an
extremely promising adjunct to the conventional treatment of recurrent
pericarditis and may ultimately serve as the initial mode of treatment,
especially in idiopathic cases. Considering that recurrent pericarditis
is not life threatening and that long-term treatment is aimed at
improving the quality of life, we suggest that
corticosteroids should be limited to very severe cases.
Milder cases may initially be treated with colchicine as well as with
NSAIDs (ibuprofen). The recommended dose of colchicine according to
most studies is 1 mg/d for at least 1 year, with a gradual tapering
off. The need for a loading dose of 2 to 3 mg/d at the beginning of
treatment is unclear. The drug is well tolerated. Gastrointestinal side
effects develop in only a small proportion of patients, are usually
minor, and do not require discontinuation of treatment in most
cases.
Despite the promising data on the efficacy and safety of colchicine for
recurrent pericarditis that have accumulated in the past decade, large,
controlled, prospective studies are required to provide definitive
answers on the subject.
© 1998 American Heart Association, Inc.
Current Perspectives
Colchicine Treatment for Recurrent Pericarditis
A Decade of Experience
![]()
Abstract
Top
Abstract
Introduction
References
BackgroundThe most troublesome
complication of acute pericarditis is recurrent episodes of pericardial
inflammation, occurring in 15% to 32% of cases. The cause of the
recurrence is usually unknown, although in some cases it may be
traced to viral infection or may be a consequence of coronary
artery bypass grafting. The optimal method for prevention has not been
fully established; accepted modalities include nonsteroidal
anti-inflammatory drugs, corticosteroids,
immunosuppressive agents, and pericardiectomy.
10 years.
Key Words: pericarditis colchicine
![]()
Introduction
Top
Abstract
Introduction
References
Acute inflammation of
the pericardium is usually of idiopathic etiology, but it may also be
secondary to systemic infection, acute myocardial infarction, cardiac
contusion, and autoimmune diseases.1
10 years
(range, 6 to 128 months; mean, 36.0 months). The pericarditis was
idiopathic in 33 patients and secondary in 18. Despite treatment with
NSAIDs (n=47), corticosteroids (n=29),
pericardiocentesis (n=8), or some combination thereof, 187
recurrences (mean, 3.58±3.64; range, 2 to 15) were noted
before colchicine therapy was initiated, with a mean interval between
crises of 2.0 months (range, 0.5 to 19 months). During 1004
patient-months of colchicine treatment, only 7 of 51 patients (13.7%)
presented with new recurrences. Colchicine was
discontinued in 39 patients, and 14 of them (35.8%) experienced
relapses. These recurrences were generally minor and were
effectively controlled in all patients by the reinstitution of
colchicine therapy, sometimes with a dose adjustment of the drug (
2
mg/d). Gastrointestinal side effects were mild (diarrhea and nausea)
and resolved in all patients. During the 2333 patient-months of
follow-up, 31 patients (60.7%) remained recurrence-free.
Comparison of the symptom-free periods before and after colchicine
treatment yielded significant statistical differences (3.1±3.3 versus
43.0±35.0 months, P<0.0001). The authors concluded that
colchicine was effective and safe for the long-term prevention of
recurrent pericarditis.
16 times the peak
concentration in plasma. This preferential concentration of colchicine
in lymphocytes is related to its observed therapeutic
effect.27
![]()
Acknowledgments
We thank Gloria Ginzach, Marian Propp, and Charlotte Sacks for
their editorial and secretarial assistance.
![]()
References
Top
Abstract
Introduction
References
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