Scientific Basis for
Ayurvedic Therapies
edited by
Brahmasree Lakshmi Chandra Mishra
1. Trikatu — Piper
nigrum, Piper longum,
and Zingiber officinale with meals60
2. Triphala
— Powder of the fruits of Terminalia chibula, Terminlia
berberica, and Emblica
officinale61
3. Common widely used Indian guggulu (Commiphora wightii) preparations in an
initial large dose and as subsequent maintenance doses
offer 10 to 20% deductions
in body weight62
In the near future, other single plants and formulations
can be investigated by fast-track
reverse pharmacology — experiential, exploratory, and
experimental research by global
collaborative herbal research efforts.
Acknowledgments
The authors acknowledge the substantial help of Chhaya
Godse for her assistance in
literature search. Sapna Shetty and Anupama Bhaskaran are
also thanked for their tireless
efforts for typing and retyping the manuscript.
We are indebted to Dr. Lakshmi Chandra Mishra, the editor
of this book, for his valuable
suggestions on the first and second drafts. We also thank
Dr. R. Venkataraman, the president
of Bharatiya Vidya Bhavan, for the facilities and
inspiration for the review.
TABLE 9.7
Medicinal Plants in Ayurveda for Obesity
Name Parts Dosage per Day
Anupan
(With)
Unique
Activity
Major
Formulation Ref.
Commiphora wighti
(guggulu)
Gum 2–4 g three times/
day
Hot water Rejuvinative Medoharguggulu
47, 48
Terminalia chelula
(haritaki)
Fruits 1–2 g two times/
day
Honey Memory
enhancer
Triphala 49, 50
Tereminalia belerica
(bibhitaka)
Fruits 0.75–1.5 g two
times/day
Warm water Sedative Triphala 51
Emblica officinalis
(amalaki)
Fruits 3–6 g three times/
day
Cow’s milk Antiaging Chyavanprash 52
Picrorrhiza kurroa
(kutki)
Roots 0.5–1 g two times/
day
Honey Hydrocholeretic Arogyawardhini 53
Curcuma longa
(haridra)
Rhizome 2–4 g three times/
day
Warm water Hypolipidemic Churna 54
Plantago ovata
(isabgol)
Husk 5–10 g one time/
day
Cow’s milk Antithirst Sat-Isabgol 55
Note: For
correspondence with Dr. Ashok D.B. Vaidya, e-mail to bhaspa@bom5.vsnl.net.in
© 2004 by CRC Press LLC
Obesity (Medoroga) in Ayurveda 163
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© 2004 by CRC Press LLC
Obesity (Medoroga) in Ayurveda 165
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Rheumatoid Arthritis, Osteoarthritis, and Gout
Lakshmi Chandra Mishra
10.1 Introduction
There are three basic types of musculoskeletal joint
diseases described in Ayurveda,
namely,
amavata, sandhivata,
and
vatarakta
, that are characterized by pain and swelling of
the joints. In modern medicine, the diseases closely
resembling
amavata
,
sandhigat vata
,
and
vata rakta
are rheumatoid arthritis (RA), osteoarthritis (OA), and
gouty arthritis,
respectively. RA is described first followed by brief
descriptions of OA, gout, and other
vataja
musculoskeletal diseases.
10.2 Rheumatoid Arthritis
Amavata
(RA) is described in Ayurveda as a constitutional
disorder with clinical manifestations
of joint swelling, pain, and stiffness in the ankle,
knee, hip joints, wrist, elbow, and
shoulder. The incidence of RA ranges from 0.3 to 1.5% in
most populations of the world
and the rate is two to three times higher in females than
in males. The peak incidence of
onset of RA is in persons 30 to 60 years old, but no age
is immune. The severity of RA
may range from mild oligoarticular illness of a brief
duration and very little or no joint
damage to polyarthritis with marked functional
impairment.
RA is commonly treated with nonsteroidal
anti-inflammatory drugs (NSAIDs). These
drugs do not modify disease progression.
1
They have a tendency to cause adverse gastrointestinal
effects that may range from mild dyspepsia and heartburn
to ulceration of
the stomach and duodenum, and many produce fatal
consequences.
2,3
Despite the popularity
of NSAIDs, their use to treat OA has been controversial.
4
In one survey, 27% of the
patients suffering from arthritis in the U.S. had used
complementary alternative medicine
therapies (CAM).
5
In a recent survey in India, 43% had used CAM therapies.
6
Diseasemodifying
therapies, such as methotrexate, leflunomide,
sulfasalazine, gold salts, penicillamine,
azathropine, cyclophosphamide, and chlorambucil, are used
to modify the course
of the disease but have serious toxic effects. These
toxic effects include aplastic anemia
(potentially life threatening), liver toxicity,
gastrointestinal toxicity, leukopenia, and skin
rashes.
The mechanism of action of NSAIDs is believed to be via
inhibition of cyclooxygenase
(COX) enzyme that is now known to exist in two separate
isoforms. The COX-1 isoform
is responsible for maintaining prostaglandin synthesis in
the gastric mucosa, platelets,
and kidney and its inhibition results in toxic effects in
the organs. The COX-2 isoform
is responsible for prostaglandin production in inflamed
tissues, including RA synovium,
and its inhibition results in beneficial effect in the
effected tissues. Recently developed
NSAIDs seem to offer some selective inhibition of COX-2
isoform resulting in less
toxicity.
7
Corticosteroids are given to patients who are not
responsive to NSAIDs, but
corticosteroids may produce serious side effects,
particularly after prolonged use. Dozens
of therapies for RA have been used in Ayurvedic medicine
for thousands of years.
No serious side effect has been reported even after
prolonged use of these therapies.
For these reasons, interest in Ayurvedic management of RA
is steadily growing around
the world.
10.2.1 Pathogensis and Etiology (
Samprapti
and
Vyadhi Haitu
)
Pathogenesis of RA in Ayurveda is considered to be due to
the formation of
ama
(metabolic
toxic waste materials) in the intestine caused by poor
digestive power.
Ama
physically
resembles
kapha,
thus it tends to deposit in
kapha
locations, primarily the joints. When
ama
is vitiated (function impaired) by
vata
,
amavata
disease is produced.
The etiological factors in the pathogenesis of
amavata
are incompatible diet, poor digestion,
and sedentary habits.
8
Poor digestion due to weak digestive power leads to the
formation of
ama
in the intestine and is absorbed and distributed to all
parts of the body.
When
ama
is vitiated by the other three
dosas,
all types of diseases develop in the body.
An attempt has been made to determine if a relationship
exists between the incidence
of RA and other factors such as body constitution,
lifestyle, and dietary habits of arthritis
patients.
8
Patients positive for RA factor
were of
vata-pittaja
body constitution. They had
poor digestive power, a tendency to eat an incompatible
diet, a high level of erythrocyte
sedimentation rate (ESR), and low hemoglobin levels. This
group has more patients with
sedentary habits than the patients with negative RA
factor. Patients with a negative RA
factor were found to be of
vata-kaphaja
constitution. They had better digestive power,
eating habits, a more active lifestyle, lower levels of
ESR, and higher levels of hemoglobin
than did the RA factor positive patients. The authors
suggested that Ayurvedic pathology
of RA based on body constitution seems to be of two
types:
vata-pittaja
(RA positive) and
vata-kaphaja
(RA negative). They also concluded that RA-negative
patients may have a
better prognosis than do RA-positive patients. This is because
immunity may be better
developed by
rasayanas
in the RA-negative patients.
It is currently believed in conventional medicine that
genetic susceptibility, primary exogenous
arthritogen, autoimmune reactions in joint components,
and mediators of the joint
damage are the factors involved in pathogenesis of RA.
9
RA is believed to be an autoimmune
disease. It is likely that
ama
contains some arthritogenic autoantigens that trigger the
autoimmune
reaction in a susceptible host, causing the development
of RA. Although rheumatoid
factors are found in 80% of the RA patients, these
factors are not known to cause the disease.
1
Rheumatoid factors are also found to occur in other
diseases that are characterized by chronic
antigenic stimulation. These include bacterial
endocarditis, tuberculosis, syphilis,
kala-azar
,
viral infections, intravenous drug abuse, and liver
cirrhosis.
10.2.2 Clinical Description (
Rog
Vivaran)
In Ayurvedic texts, the description of signs and symptoms
of RA (
amavata
) includes pain
(scorpionlike bite) and inflammation of one or more
joints, particularly the hand, foot,
thigh, sacrum, knees, and metatarsophalangeal (MTP).
Joints develop swelling, tenderness,
and reddish or bluish discoloration.
The characteristic feature of RA in conventional medicine
is the persistent inflammation
in the synovial membranes, usually of peripheral joints.
Patients show loss of appetite,
indigestion, constipation, occasionally low fever, malaise,
fatigue, pain in different parts
of the body, feeling of heaviness in the body,
sleeplessness, and stiffness in the chest area.
The seven criteria formulated by American Rheumatology
Association
10
and the American
College of Rheumatology
1
to classify RA are summarized as follows:
1. Morning stiffness in and around the joints for an hour
or more, continuous for 4
weeks or more; swelling of soft tissue of three or more
joints, continuous for 4
weeks or more
2. Swelling of soft tissue of three or more joints
3. Swelling of soft tissue of hand joints (proximal
interphalangeal [PIP], metacarpophalangeal
or [MCP], or wrist)
4. Symmetrical swelling of soft tissue
5. Subcutaneous nodules
6. Serum rheumatoid factor
7. Erosions or periarticular osteopenia in hand or wrist
joints seen on radiograph
Criteria 1 to 4 must continue for 4 weeks or more, and
criteria 2 to 5 must be observed
by a physician.
The prominent clinical features of RA include swelling of
the PIP; MCP in the hands;
loss of motion in the wrists; pain in the thumb; synovial
proliferation and effusion in the
knees; painful deformities of the toes in the feet; and
ankle or tarsal collapse, resulting in
painful valgus deformities.
10.2.3 Clinical Examination and Diagnosis (
Nidan
)
The standard eight-point diagnosis of Ayurveda is used to
diagnose RA and determine
for the classical signs of arthritis as discussed above.
There is no specific laboratory
diagnostic test for RA. Although only 80% of the patients
are found to be positive for RA
factor, the standard eight-point diagnosis is still one
of the tests often used by physicians
for diagnosis.
10.2.4 Clinical Course and Prognosis (
Sadhyata
)
RA is often considered a benign disease, but it may cause
considerable disability, crippling,
and death. Patients sometimes recover spontaneously and
achieve complete remission. In
most cases, the disease becomes chronic, resulting in
functional deterioration of the joints
and disability.
10.2.5 Strategy for Prevention
As previously mentioned, the major causative factors in
the pathogenesis of RA are weak
digestive power, leading to accumulation of
ama
, and a sedentary lifestyle. The strategy
to prevent RA needs to include herbal formulas that
improve digestion and clean the
intestine from
ama
and a healthy active lifestyle as discussed in Ayurveda
under daily
which dosas are vitiated as discussed in Chapter 2. Additionally,
patients are examined
routine. One must eat easily digestible food according to
the body constitution and make
sure that bowel movement is regular. Regular exercise is
very important to prevent RA
and arthritis.
10.2.6 Therapy (
Chikitsa
)
The basic strategy of treating RA is to reduce the
accumulated
ama
in the body and balance
vata
, encourage proper exercise, maintain a normal healthy
lifestyle, and provide adequate
rest. First, the food intake is reduced to a bare
minimum, giving only boiled rice and well
cooked
mung dal
(lentil) soup for 1 to 2 months to help clean the body of
ama
.
This diet
is believed to increase metabolism and elimination of
disease-producing
ama
. Herbs or
herbal formulas (e.g.,
Panchkola
, 2 g/day; equal parts of
Piper longum
root and fruits,
Piper
chava
,
Plumbago zeylanica,
and
Zinziber officinale
powders)
are given during this period to
clean the body, improve the digestion, and reduce the
inflammation (
Commiphora mukulcontaining
formulas) and pain.
11
Suitable herbal formulas are determined based on body
constitution, disturbed
dosa
,
and other disease conditions. For example,
Gokksharadi
guggul
is recommended for patients
who also suffer from kidney disorders,
Pushkarmoola guggul
is suggested for patients with
heart problems, and
Kanchnar guggul
is recommended for patients with lymphadenopathy.
11
Some of the commercially available commonly used herbs
and formulas are prediet
consisting of easily digestible light food, is given ghee
(dehydrated butter), and may
be asked to use a medicated sesame-oil enema to remove
fat soluble toxic materials from
the gastrointestinal tract. The patient is asked to do
easy exercises and yoga. Body massage
with oil, and hot fomentation may also be added to the
treatment. Classic Panchakarma
TABLE 10.1
Common Anti-Inflammatory Herbs Used in
Ayurvedic Formulas
Sanskrit and Botanical Names
Ashwagandha
(
Withania sosmnifera
)
Bhallataka (Semecarpus anacardium)
Bhutala (Circuligo orchioides)
Chitraka (Plumbago zeylanica)
Eranda (Ricinus communis)
Goraksa (Vitex negundo)
Guggulu (Commiphora mukul)
Haritika (Terminalia chebula)
Harsinger (Nyctanthes arbor tristis)
Karanja (Pongamia glabra)
Kirayat (Andrographis paniculata)
Kupilu (Strychnos nux-vomica)
Madhuka (Basia latifolia)
Madhuyasti (Glycyrrhiza glabra)
Punarnava (Boerrhavia diffusa)
Rasna (Inula racemosa)
Rasona (Allium sativum)
Sunthi (Zinziber officinalis)
Vatsanabha (Aconimtum chasmenthum)
Vidanga (Embelia ribes)
Yavasaka (Alhagi pseudalhagi)
sented in Table 10.1 through Table 10.3. The patient is
slowly brought back to a normal
encouraging results.12
Clinical trials based on the above basic strategy of
treatment using a variety of Ayurvedic
herbal formulas are summarized below.
10.2.6.1 Zingiber officinale–Tinospora cordifolia
Decoction, Vatagajanankusa Rasa,
and Maharasnadi Kwath
Z. officinalis–T. cordifolia decoction
was given (50 ml three times/day) to 40 RA patients
(group B) and Yograj guggul (1
g/day), Vatagajanankusa rasa (250 mg three times/day), and
Maharasnadi kwath (50 ml three times/day) were administered to 37 arthritis
patients
(group A) for 6 to 8 weeks. There were a total of 48
males and 29 females. The diagnosis
was confirmed based on 1959 American Rheumatism
Association (ARA) criteria. All
patients received a limited vegetarian diet without fish
or chicken. Both treatments were
TABLE 10.2
Formulas from Ayurvedic Formulary (AF) of India for
Arthritis Treatment (1978)
Name Dose
AF
Section Name Dose
AF
Section
Kanchnar guggul 3
g 5:1 Rasa parpati 250 mg 16:3
Goksharidi guggul 3 g 5:3 Anand
Bhaijarava rasa 250 mg 20:3
Trayodashang guggul 3 g 5:4 Mahalakshmi
vilas rasa 250 mg 20:27
Yograj guggul 3
g 5:7 Sarvanabhupati rasa 250 mg 20:51
Vyousadi guggul 3
g 5:9 Rasnadi kvath curpa 48 g 4:27
Vatari guggul 3
g 5:10 Rasnadi kvath curpa maha 48 g 4:28
Simhanad guggul 3
g 5:12 Das-mula-haritiki 12 g 3:14
Ajamodadi curpa 6
g 7:1 Amrta ghrit 12 g 6:1
Nimbadi curpa 3
g 7:20 Brhat saindhavadya taila massage 8:40
Pancasma curpa 3
g 7:22 Kotamuckkadi taila massage 8:10
Vaisvanara curpa 3 g 7:30 Jiraka-modka
3 g 3:12
TABLE 10.3
Miscellaneous Ayurvedic Formulas for the Treatment of RA
Name Reference Name Reference
Brhat vata cintamani BRa Maha
rasnadi kvath SSf
Chandrprabha vati SYSb Sunthi
guduci kvath 13d
Copper bhasma RSc
Puskarmoola guggul Shukla 1996
Gudici kvatha 20d
Suvarna samirapannag rasa BRa
Gold bhasma SYSb
Rasnadi guggul YRg
Mrtyunjaya rasa BRa
Trailokya cintamani BRa
Maha Narayan taila CDe Vatari
guggul BRa
Vatgajankush rasa BRa
aBR = Bhesajya
Ratnavali.
bSYS = Sidha
Yog Sangraha.
cRS = Rasayan
Sar.
d
eCD = Chakardatta.
fSS = Sarangdhar
Samhita.
gYR = Yog
Ratnakar.
therapy described in Chapter 5 was evaluated in RA
patients and was found to give
effective in reducing pain and swelling, and the
decoction treatment was found to be
relatively more effective than the Yograj guggul combination.13
10.2.6.2 Dasmularista, Pippalyasava, and Vettumaran
Gutika
Dasmularista,
Pippalyasava, and Vettumaran
Gutika were examined in 83 arthritis
patients
(1959 ARA criteria). Forty-three percent of the patients
were unable to walk, and remaining
cases showed varying degree of functional impairment of
the joints. Measurements of
swollen elbow, wrist, ankle, and knee joints were taken
before and after treatment. An
average of 90 days of treatment was found to be the
minimum to obtain satisfactory
improvements. Time taken for disappearance of RA ranged
from 20 to 30 days. The results
suggested that the combination of the above three
formulas was effective in the acute
stage of RA.14
10.2.6.3 Rasonadi Kvatha15
Rasonadi Kvatha was
evaluated in 50 RA patients. The diagnosis was confirmed based on
ARA 1959 criteria.16 Kvatha is a
decoction of equal parts of Z.
officinalis, Allium sativum,
and Vitex
negundo. A dose of 25 ml of the
decoction representing 25 g of each ingredient
was given three times/day for 6 weeks. During the acute
inflammatory stage of the disease,
patients were treated with external application of
poultice and Baluka hot sand fomentation.
The participants’ diet consisted of rice, bread, lentil
soup, cream of wheat, and milk
during the 6-week trial period. Pippalyadi churna or Visatundika
vati was also administered
during the acute phase to relieve pain. The results were
assessed based on the degree of
pain, swelling, tenderness, and restriction of affected
joints. The change in functional
capacity was measured by functional tests. Authors
observed significant improvement in
all the parameters. Most of the patients showed complete
relief from pain.16
10.2.6.4 Withania somnifera, Boswellia serrata, Curcuma
longa, and a Zinc
Complex (Articulin-F)
A herbomineral formulation containing roots of W. somnifera,
the stem of B. serrata, rhizomes
of C. longa, and a zinc complex (Articulin-F) was evaluated in a
randomized, doubleblind,
placebo-controlled, crossover study in 42 patients with
OA. Clinical efficacy was
evaluated every fortnight on the basis of severity of
pain, morning stiffness, Ritchie,
articular index, joint score, disability score, and grip
strength. Other parameters like
erythrocyte sedimentation rate and radiological
examination were carried out on a
monthly basis. Treatment with the herbomineral
formulation produced a significant drop
in the severity of pain (p <
0.001) and disability score (p < 0.05). Radiological assessment
did not show any significant changes and no serious
adverse effect was observed.17
10.2.6.5 Ginger (Zingiber officinale)
Ginger has been reported to be beneficial in seven
arthritic patients.18 In one study, ginger
was given to 56 patients (28 with RA, 18 with OA, and 10
with muscular discomfort).
More than 75% of the patients experienced varying degrees
of relief from pain and
swelling. All the patients with muscular discomfort
experienced relief from pain. None
of the patients reported adverse effects during the
treatment period from 3 months to 2.5
years. The authors suggested that at least one of the
mechanisms by which ginger shows
its ameliorative effects could be related to inhibition
of prostaglandin and leukotriene
biosynthesis (dual inhibitor of eicosanoid
biosynthesis).19
10.2.6.6 Tinospora cordifolia, Balsamodendrom mukul, and
Alpinia officinarum
Tinospora cordifolia, Balsamodendrom
mukul, and Alpinia officinarum were evaluated in 40 RA
patients selected based on 1959 ARA criteria.20 Forty
patients (ages 10 to 65) were selected
for the study on the basis of pain, swelling of multiple
joints, and elevation of erythroicyte
sedimentation rate. All patients were treated for the
first 10 days as follows:
Day 1 — Fasting
Days 2–6 — Panchkola (2 g/day) to improve digestion
and clean ama for days 2 to 6
Day 7 —Ricinus
communis oil (30 ml) at 6 A.M. with hot
water
Days 8–10 — Panchkola powder (2 g/day) with hot
water
On day 11, the patients were separated randomly into 2
groups of 20 each. The first group
was given 60 ml of T. cordifolia decoction,
1 ml of oil extract (sneha) of T.
cordifolia, and 2
g of B. mukul
three times/day. The
second group received the same regimen except B.
mukul was
replaced by 2 g of A.
officinarum.
The decoction consisted of one part of leaves and stem of
the herb, boiled in four parts
of water until one part of the water was left. The oil
extract fortified three times consisted
of 1 part herbal paste, 4 parts of sesame seed oil, and
16 parts of the decoction, boiled 6
to 8 h/day for 3 days to reduce the volume to one fourth
of the total amount. It was
filtered and the procedure was repeated three times.
A light diet was given in the first stage of 10 days and
a normal hospital diet was given
for rest of the treatment period. Criteria for assessment
and classification of results followed
were those adopted by American Medical Association (AMA).
The authors stated
that the improvement in signs and symptoms were highly
encouraging and statistically
significant at 0.1% level.
10.2.6.7 Fasting
Because ama is considered a major causal factor for RA, elimination
of ama by
fasting was
studied in RA patients (1959 ARA criteria). The patients
were subjected to total fasting
for 2 days and partial fasting for the next 43 days.
Notable clinical remission of signs and
symptoms were observed, including a decrease in
rheumatoid factor (RF) titer and chemically
reactive proteins (CRP), which may be attributed to a
decrease in ama.21
10.2.6.8 Elimination of Ama by a Purgative (Gandharva
hasta kashaya)
The effect of eliminating ama by
purgatives was evaluated in 60 arthritic patients.
Gandharva hastadi kvath (50 ml), a purgative, was given three to four times/day
for 21
days. The ingredients of the decoction were equal parts
of Gandharva hasta (Ricinus
communis),
Karavya (Pongamia glabra),
Chitraka (Plumbago
zeylanica), Shunti (Zinziber officinalis),
Haritaka (Terminalia chebula), Punarnava
(Boerrhavia diffusa), Yavasaka (Alhagi pseudalhagi),
and Bhutala (Circuligo
orchioides). Of 60 patients, 46 were
cured (complete disappearance
of disease symptoms) and 14 showed significant relief in
symptoms. Three patients had
a relapse over a period of 1 year after observation. The
study further confirms the hypothesis
that the origin of arthritis is the formation of ama in the
intestine.22
10.2.6.9 Vatari Guggul (Bhasajya Ratnavali) and
Maharasnadi Kvatha
A dose of 1 g of Vatari guggul was given
three times/day and Maharasnadi
kvatha
(Sarangdhar
samhita) was given 20 ml three
times/day in 24 RA patients. Vatari
guggul
consisted of castor oil, sulfur, guggul (Commiphora mukul),
haritiki (Terminalia
chebula),
amalki (Phyllanthus emblica), and vibhitiki
(Terminalia belerica). The
major ingredient of
Maharasnadi kvath was rasna (Inula
recemosa). The results indicate a
significant improvement
in pain (p < 0.001) and a decrease in ESR levels (p <
0.001) in subjective and
objective parameters (p <
0.001).23
10.2.6.10 Ashwagandha (Withania somnifera)
Ashwagandha (Withania somnifera) has been shown to have antiarthritic activity in animal
models of RA.24–28 In a recent clinical trial, 3 g of the
drug was given three times/day with
milk to 77 RA patients. The improvement in signs and
symptoms of RA was good in
22.7%, moderate in 53.4%, and poor in 22.07%; there was
no response in 2.59% of the
patients.29
10.2.6.11 Purified Guggul and Guduchyadi Kvath
Purified guggul and Guduchyadi
kvath were given to 34 RA patients
for 6 weeks. Authors
observed marked improvement in signs and symptoms in 27
patients, moderate improvement
in 4 patients, and no improvement in 3 patients.
10.2.7 Scientific Basis for the Use of Ayurvedic Herbs in
Arthritis
Ayurvedic herbs have been investigated in animal models
of arthritis for anti-inflammatory
effect in the same way as synthetic drugs have been for
the past 30 years. The three
most common animal models currently used to investigate
anti-inflammatory effect of
drugs are (1) adjuvant-induced, (2) streptococcal
cell-wall induced, and (3) collageninduced
models.30 Agents currently in clinical use or trials that
are active in these models
include corticosteroids, methotrexate, nonsteroidal
anti-inflammatory drugs, cyclosporin
A, leflunomide, interleukin-1 receptor antagonist, and
soluble tumor necrosis factor receptors.
Animal models of OA include mouse and guinea pig
spontaneous OA, meniscotomy
and ligament transection in guinea pigs, meniscotomy in
rabbits, and meniscotomy and
cruciate transection in dogs. None of these models have a
proven track record of predictability
in human disease presentation because none of the agents have
been proven to
provide anything other than symptomatic relief.31
The studies to assess anti-inflammatory activity and
analgesic activity are evaluated,
and the results supporting the use of Ayurvedic therapies
in arthritis are summarized
below.
10.2.7.1 Anti-Inflammatory Activity
10.2.7.1.1 Vanda roxburghii
Vanda roxburghii has been shown to have anti-inflammatory activity in
albino rats.32
10.2.7.1.2 Gum-Guggul from Commiphora mukul
Anti-inflammatory activity of guggul has been
reported by several investigators.33–35 In
another study, phenylbutazone, ibuprofen, and fraction
"A" of gum-guggul from Commiphora
mukkul were
administered orally at a daily dose of 100, 100, and 500 mg/kg, respectively,
for a period of 5 months. All three drugs decreased the thickness
of joint swelling
during the course of the drug treatment.36
The anti-inflammatory effect of extracts of guggul resins of
four species of the Burseraceae
plant family, Boswellia dalzielli, Boswellia carteri (gum olibanum), Commiphora mukul, and
Commiphora incisa, were screened in arthritis models in rat. The aqueous
extracts of the
resins of B.
dalzielli, C. incisa, and C. mukul significantly
inhibited both the maximal edema
response and the total edema response during 6 h of
carrageenan-induced rat paw edema.
The octanordammarane triterpenes, mansumbinone and
mansumbinoic acid, were isolated
from the resin of C. incisa. Prophylactical
administration of mansumbinone proved
to be more than 20 times less potent than indomethacin
and prednisolone in inhibiting
carrageenan-induced rat paw edema. The acid was able to
reverse an established carrageenan-
induced inflammatory response when administered 2 h after
induction. Daily
administration of mansumbinoic acid at 1.5 ¥ 10–4 mol kg-1 dose level significantly
reduced
joint swelling in adjuvant-induced arthritic rats.37
New triterpenes, Myrrhanol A and Myrrhanone A, isolated
from guggul-gum resins (C.
mukul), were
found to have a potent anti-inflammatory effect on adjuvant-induced air-pouch
granuloma of mice. The study indicated that the
anti-inflammatory effect of Myrrhanol A
was greater than that produced by hydrocortisone and the
50% extract of the crude resin.
Authors suggested that Myrrhanol A may be a potent
anti-inflammatory agent.38
10.2.7.1.3 Harsinger (Nyctanthes arbor tristis)
The water-soluble portion of the alcoholic extract of the
leaves of Nyctanthes arbor tristis
(NAT) was screened for the presence of anti-inflammatory
activity. NAT inhibited acute
inflammatory edema produced by different phlogistic
agents, such as carrageenin, formalin,
histamine, 5-hydroxytryptamine, turpentine oil, and
hyaluronidase, in the hindpaw
of rats. It also inhibited the inflammation in
adjuvant-induced arthritic models. In subacute
models, NAT was found to check granulation tissue
formation significantly in the granuloma
pouch and cotton-pellet test. Acute and chronic phases of
formaldehyde-induced
arthritis were significantly inhibited. Anti-inflammatory
activity in leaves of NAT supports
its use in various inflammatory conditions by the
followers of the Ayurvedic system of
medicine.39
10.2.7.1.4 Semecarpus anacardium nut
A chloroform extract of Semecarpus anacardium nut was found to significantly reduce acute
inflammation and was also active against the secondary
lesions of adjuvant-induced
arthritis in rats.40
A milk extract of S. anacardium nut
was found to have anti-inflammatory effect in
adjuvant-induced arthritis in rats at the dose level of
150 mg/kg.41 The mechanistic studies
indicated that the diseased state of adjuvant arthritis
may be associated with augmented
lipid peroxidation; the studies also concluded that the
administration of the drug may
exert its antiarthritic effect by retarding lipid
peroxidation and causing a modulation in
a cellular antioxidant (AO) defense system.42
10.2.7.1.5 Crataeva nurvala
The effect of triterpenes from stem bark was studied for
its effect on lipid peroxidation in
adjuvant induced arthritis in rats. Lupeol, a pentacyclic
triterpene of C. nurvala stem bark,
and its ester, lupeol linoleate, were synthesized and
tested for anti-inflammatory activity
in complete Freund's adjuvant-induced arthritic rats. The
arthritic rats showed a significant
increase in lipid peroxide level in plasma; a decrease of
lipid peroxide in the liver; an
increase in the AO enzymes, SOD, GPX, and catalase in
both the liver and hemolysate;
and a decrease in blood glutathione. Lupeol and lupeol
linoleate at 50 mg kg-1 body weight
daily for 8 days, from 11 to 18 days after the adjuvant
injection brought back the alterations
to normal levels. The effect of lupeol linoleate was
found to be better in this respect when
compared with lupeol.43
10.2.7.1.6 Hemidesmus indicus (HI)
The anti-inflammatory activity of the pure compound
(2-hydroxy-4-methoxy benzoic acid)
isolated and purified from anantamul root extract was
investigated. 2-OH-4-MeO benzoic
acid effectively neutralized inflammation induced by Vipera russelli venom
in male albino
mice and reduced cotton-pellet–induced granuloma in rats.
The compound produced a
significant fall in body temperature in yeast-induced
pyrexia in rats but did not change
the normothermic body temperature. The compound
effectively neutralized vipervenom–
induced changes in serum phosphatase and transaminase
activity in male albino
rats. It also neutralized free radical formation as
estimated by thiobaraturic acid reactive
substances (TBARS) and SOD activities.44
10.2.7.1.7 Andrographis paniculata
Andrographolide, a diterpenoid lactone isolated from Andrographis paniculata (anti-inflammatory
herb), was investigated for the ability to prevent
phorbol-12-myristate-13-acetate
(PMA)–induced reactive oxygen species (ROS) production,
as well as N-formyl-methionylleucyl-
phenylalanine (fMLP)–induced adhesion by rat neutrophils.
The study showed that
PMA (100 ng/ml) induced rapid accumulation of H2O2 and O2
in neutrophils within 30
min. Andrographolide (0.1 to 10 mM) pretreatment (10 min, 37ºC) significantly reduced
the accumulation of these two oxygen-radical metabolites.
Administration of andrographolide
also significantly prevented fMLP-induced neutrophils
adhesion. These data suggest
that the mechanism of anti-inflammatory action of
andrographolide may be via
preventing ROS production and neutrophils adhesion.45
10.2.7.1.8 Aglaia roxburghiana (AG)
Alcoholic extracts of aerial portions and fruits of AR
and the triterpines, roxburghiadiol
A and B, were studied in carrageenin-induced rat-paw
edema, cotton-pellet granuloma,
and mast-cell degranulation induced by compound 48/48.
The extract and the triterpines
were found to be effective anti-inflammatory agents in
this study.46
10.2.7.2 Analgesic Activity
There are few data available on the analgesic activity of
antiarthritic herbs. A p-quinone,
embeline, derived from Embelia ribes was
investigated for analgesic activity. The potassium
salt of embeline was found to be effective by oral, i.m.,
and i.c. routes of administration
and the results compared well with morphine. Although
potassium embelate acts centrally
to produce analgesia, its effect is not antagonized by
naloxone indicating a different central
site of action. It has no abstinence syndrome as observed
with morphine and no demonstrable
anti-inflammatory action. The anlagesic effect of the
alkaloid provides a scientific
basis for its use in arthritis. In addition, lack of any
adverse effects, high therapeutic index,
and absence of abstinence syndrome provide basis for
long-term safety of embelate as an
analgesic.47
10.2.7.3 Mechanism of Action
One of the mechanisms of anti-inflammatory activity of
Ayurvedic herbs may the AO
property. Andrographolide isolated from leaves of Andrographis paniculata has been shown
to inhibit nitric oxide generation in
endotoxin-stimulated macrophages.48
The AO activity of two polyherbal formulations, Maharasnadhi quatha (MRQ) and Weldehi
choornaya (WC),
used by Ayurvedic medical practitioners in Srilanka for the treatment of
RA patients, was assessed on SOD, GPX and catalase, lipid
peroxidation (as estimated by
TBARS generation), concentrations of serum iron,
hemoglobin (Hb), and the total ironbinding
capacity (TIBC). The overall results of the study
demonstrated that MRQ has
greater AO potential than WC.49
In another study,50 the mechanism of suppression of
inducible nitric oxide synthase
(iNOS) and (COX-2) by ergolide, a sesquiterpene lactone
from Inula Britannica, was investigated.
Ergolide markedly attenuated the iNOS activity in a
cell-free extract of LPS/IFNgamma-
stimulated RAW 264.7 macrophages and markedly decreased
the production of
prostaglandin E(2) (PGE(2)) in cell-free extract of the
macrophages in a concentrationdependent
manner, without alteration of the catalytic activity of
COX-2. Ergolide
decreased the level of iNOS and COX-2 protein, and iNOS
RNA caused by stimulation
of LPS/IFN-gamma in a concentration-dependent manner and
inhibited nuclear factorkappaB
(NF-kappaB) activation, a transcription factor necessary
for iNOS and COX-2
expression in response to LPS/IFN-gamma. This effect was
accompanied by the parallel
reduction of nuclear translocation of the subunit p65 of
NF-kappaB as well as IkappaBalpha
degradation. These effects were completely blocked by
treatment with cysteine. This
finding suggests that the inhibitory effect of ergolide
may be mediated by alkylation of
NF-kappaB or an upstream molecule of NF-kappaB. Ergolide
also directly inhibited the
DNA-binding activity of active NF-kappaB in
LPS/IFN-gamma-pretreated RAW 264.7
macrophages. The authors suggested that the overall
effect of ergolide is the suppression
of the expression of iNOS and COX-2, which play important
roles in the inflammatorysignaling
pathway.
10.3 Osteoarthritis (Sandhigat Vata)
10.3.1 Introduction
Sandhigat Vata (Krostuka-sirsa)
is primarily a disease of vitiated vata settling into bone and
bone marrow without any involvement of ama. The
disease is characterized by acute pain,
stiffness of the joints, impairment of the function of
the joints, loss of muscle strength, and
sleeplessness. This disorder resembles OA, which is also
characterized by acute pain,
involvement of diarthroidial joints, and functional
limitations. Sedentary lifestyle as a
causative factor of amavata is scientifically valid.51
Current experiments in rabbits have
shown that short repetitive immobilization induces OA.
Even a 4-day immobilization
period had a cumulative effect in producing OA.52
10.3.2 Clinical Description
OA starts out with pain in one joint but subsequently
spreads to other joints. The joints
commonly involved are the big toe, fingers, hip, knees,
and both lumbar and cervical
spine. Ankles are generally spared except in the
secondary form of OA. These joints in
the advanced stage of the disease exhibit deformity.
Patients do not show the presence of
the RA factor.
Om Tat Sat
(Continued...)
(My
humble salutations to H H Maharshi ji, Brahmasri
Sreeman Lakshmi Chandra Mishra ji and other eminent medical scholars and
doctors for the collection)
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