r.l.ogletree, jr., pharm.d. · natural supplements 101 introduction to herbal medicines...
TRANSCRIPT
Natural Supplements 101Natural Supplements 101Introduction to Herbal MedicinesIntroduction to Herbal Medicines
R.L.Ogletree, Jr., Pharm.D.
HERBHERB
Any plant or plant part that is primarily used for medicinal purposes
Herbal vs. HomeopathyHerbal vs. HomeopathyUse a plant or part of a plant which can elicit desired
Use a compound which can cause the undesired condition.
response.Use enough of the plant or extract to get that response.
Use very small doses. For a greater response - use less.
PrevalencePrevalence
80% of the world’s population use plants as their
i f primary source of medicines52% of 200 patients surveyed have used supplements in last year. JABFP 7-8 1996
Projected MarketProjected Market
Natural product market in US$2.85 billion in 1994$6.5 billion in 1998$6.5 billion in 1998Approx $10 billion in 2001Approx $23 billion in 2007
Poorly Regulated MarketPoorly Regulated Market
RX and OTC drugs must be proven safe and effectiveHerbal products labeled as “Dietary Herbal products labeled as Dietary Supplements,” Dietary Supplement and Health Education Act of 1994
Dietary Supplement Health Dietary Supplement Health and Education Act of 1994and Education Act of 1994
Sold as dietary supplementsy ppCan make “structure or function” claims on labelCan not make health or therapeutic claims on label
DSHEA (continued)DSHEA (continued)
Can have accompanying literature if a “balanced view” is presentedBurden of proof for safety (or lack of) is Burden of proof for safety (or lack of) is on the FDADisclaimer
HERBAL LABELING
These statements have not been evaluatedby the FDA. This product is not intendedto diagnose, treat, cure, or prevent a disease, but rather is a dietary supplement intended solely for nutritional support.
Sold and recommended by lay publicMany preparations not standardizedSome complement standard therapy,
t l it
ConsiderationsConsiderations
not replace itSome treat conditions which have limited drug optionsProfessional literature of Europe and Asia abounds with efficacy and safety studies
German Commission EGerman Commission E
Established in 1978 to review and approve herbal t t ttreatmentsLooks at:
SafetyHistorical dataEfficacy studies
Natural = Safe?Natural = Safe?Natural = Safe?Natural = Safe?
Some potentially dangerous Some potentially dangerous herbsherbs
Ma Haungephedrineephedrineoften in combination with caffiene
Bitter Orangesynephrinephenylephrine
More potentially dangerous More potentially dangerous herbs:herbs:
Comfreyused topically on wounds and internally for gastric ulcersgcontains unsaturated pyrrolizodine alkaloids - hepatotoxic
Alfalfaused a a diuretic and antiasthmaticcan exacerbate or reactivate SLE
More potentially dangerous More potentially dangerous herbs:herbs:
5-HTP (5-hydroxytryptophan)precursor to serotonin (5-HT, 5-hydroxytryptamine)y y yp )used for depression, weight loss, insomniaorphan drug for postanoxic myoclonus (along with carbidopa)GI distressheart valve problems?
Therapeutically useful herbsTherapeutically useful herbsd l t td l t tand plant componentsand plant components
Procyanidolic OligomersProcyanidolic Oligomers
Also called pycnogenols, PCO’s OPC’s Used by Jacques Cartier 1534-35Major sources:Major sources:
Grape seedsPine bark
Highly bioavailable
Procyanidolic OligomersProcyanidolic OligomersAntioxidant
Inhibits XO scavenges hydroxyl radicals (initiation step of LPO) scavenges peroxyl radicals(propagation step)
Strengthen vascular systemantioxidantcollagen cross-linksinhibits proteolytic enzymes
PCO’s continuedPCO’s continued
Mast cell stablizationAnti-inflammatory activities
antioxidantantioxidantcyclo-oxygenase inhibition
Procyanidolic Oligomers Procyanidolic Oligomers --ApplicationsApplications
DiabeticsSmokersVascular problemsVascular problemsChronic pancreatitisSun worshippersHeavy drinkersExercisers
PCO’s PCO’s -- Other Possible Other Possible Applications Applications -- TheoreticalTheoretical
AllergyArthritis
RheumatoidRheumatoidOsteo-
ADHDAminoglycoside therapy
PCO’s/StudiesPCO’s/StudiesDecreased capillary resistance in hypertension/diabetes
controlled,double-blind, 25 patients150 mg/day PCO’s or placebo for 30 daysSignificant improvement in the PCO group
10
12
14
16
18
20
14.7
18
14.615.5
Cap
illar
y re
sist
ance
(mm
Hg)
Baseline 30 days
150 mg/day Placebo
Sem Hop (Paris) 1981;57:1399-1401
PCO’s/Studies PCO’s/Studies -- cont’dcont’dVeno-lymphatic insufficiency Phlebologie 1993;46:3134,729 female subjects on estrogen/ progestin or progestin only therapy showing s/s of venous 6
7
87.2
c a
l e
showing s/s of venous insufficiency (esp. feeling of leg heaviness)All subject on 150 mg/day PCO’sFive symptoms evaluated on a 0 (absent) to 3 (very important) scale2.4% adverse events - mostly GI
0
1
2
3
4
5
3.5
1.9
Baseline 45 days 90 days
S y
m p
t o
m s
c
PCO’s vision studiesPCO’s vision studies
100 normal volunteers recieved 200 mg/day or placebo for 5 weeks. Sig. improvement of vision in low light or after glare in PCO group.J Fr Ophthmol 1988;11:453-460J Fr Ophthmol 1988;11:453 460
40 myoptic patients recieved 150 mg/day or placebo for 30 days. Ann Ott Clin Ocul 1988;114:85-93
85.7% of PCO vs 0% placebo group showed increase in visual acuity. 40% of PCO vs 0% placebo group showed improvement in electroretinograpical studies.
PCO dosingPCO dosing
Usually 150 to 300 mg/day in single or divided dosesSeparate from minerals - at least 2 hoursSeparate from minerals at least 2 hoursSome say 1 to 1.5 mg/pound for 2 weeks, then cut dose in halfLook for proanthocyanidin content
80-85% for pine bark90-95% for grape seed
EchinaceaEchinacea
Also known as purple cone flowerNative to the U.S.In the NF until the 1950’sCurrently, the most popular herb in U.S.
Echinacea PharmacologyEchinacea Pharmacology
Enhances non-specific immunityPromotes T-cell activationIncreases natural killer cell activityS i l h iStimulates macrophage recriutmentEnhances phagocytosisStimulates production of IL-1, interferons,
TNF-alpha, and properdinInhibits hyaluronidaseStimulates fibroblast production of hyaluronic acid
Echinacea UsesEchinacea Uses
Prevent or treat flu or common cold Prevent recurrent respiratory and UTIs Improve immune system suppressed by p y pp y
chemotherapy or radiation treatmentTopically for superficial woundsNot recommended for AIDS patients
Not enough knownTNF-alpha
Echinacea DosageEchinacea Dosage
900 mg/dayStart at the first sign of flu or coldContinous use should not exceed 8 weeks (a few days
should be plenty)should be plenty)Use product standardized to at least 4% phenolic
compoundIf using a liquid extract, it should cause the tongue to
tingle
Echinacea Echinacea –– Drug InteractionsDrug Interactions
Immunosuppressants – antagonizes effects (theoretical)
Ginger (Ginger (ZingiberZingiber OfficinaleOfficinale))
Useful part - the rhizome , sometmes called the rootPrimary Use is to prevent nausea and vomitingParticularly useful to prevent motion sickness A i i di “P i ” Active ingredient - “Pungent properties” or
oleoresin Works at level of the GI tractDoes not cause drowsiness or anticholinergic effects
Ginger Root Against Ginger Root Against Seasickness*Seasickness*
Randomized, double-blind, placebo controlled80 healthy naval cadets on training shippNone especially susceptible to motion sickness1 gram powdered ginger root Vs placeboscored symptoms of nausea, vertigo, vomiting and cold sweating
*Acta Otolaryngol 1988;105:45-49
Ginger / SeasicknessGinger / Seasickness
42
60
28
39
1930
40
50
60
om S
core
p < 0.05
PlaceboGinger
Nausea Vertigo Vomiting ColdSweating
5
19
5
18
0
10
20
Sym
pt
Nausea Vertigo Vomiting ColdSweating
p
*5 subjects in placebo grp vomited 2 or more times, but none in the ginger grp vomited more than once
*
Ginger vs Dimenhydrinate vs Placebo Ginger vs Dimenhydrinate vs Placebo (Lancet, March 20,1982)(Lancet, March 20,1982)
Enrolled 36 undergraduate men and women who reported very high susceptibility to motion sicknessRandomized to ginger root (940mg), dimenhydrinate (100mg) or placebo(100mg) or placeboPlaced in rotating chair (4-17rpm)Vertical component to motion as wellRecorded symptoms every 15s. up to six minutesResults: mean times P-90s., D-216s., G-335s.
none of P or D gps able to stay in chair 6 minuteshalf subjects on ginger stayed full time(p<0.001)
Ginger in Hyperemisis gravidarum Ginger in Hyperemisis gravidarum -- Eur J Eur J Obstet Gynecol Reprod Biol 1991;38:19Obstet Gynecol Reprod Biol 1991;38:19--2424
Randomized, double-blind, controlled , crossover30 patients250 mg or placebo q.i.d. for four days, then switch to other group other group Decreased vomiting and number of vomiting attacks in ginger group70.4% of patients preferred ginger to placebo
Note: Safety of the use of ginger during pregnancy has not yet been determined
Ginger DosageGinger Dosage
Usually 2 to 4 grams/dayFor motion sickness - 1 gram 30 minutes prior to departure followed by 500 mg prior to departure followed by 500 mg q.i.d. Additional 500 mg at first sign of nauseaMany recommend a 1 gram daily maximum during pregnancy
Ginger Ginger –– Drug InteractionsDrug Interactions
Concern with antiplatelet activity?
Black Black CohoshCohosh((CimicifugaCimicifuga racemosaracemosa ))
Uses alternative to HRT for menopausal symptomsdysmenorrheadyspepsia, rheumatism, sore throat, insect repellant
Black Cohosh Black Cohosh Chemical ComponentsChemical Components
triterpene glycosides (actein)27-deoxyacteine is used in Remifemin27-deoxyacteine is used in Remifemin
formononetin (an isoflavone)cinnamic acid esters
Black CohoshBlack CohoshMechanism
May bind estrogen receptors; “estriol-like” and may affect vaginal lining (not associated with greater risk of breast ovarian endometrial CA)greater risk of breast, ovarian, endometrial CA)“Formononetin” may suppress LH Contains salicylic acid
Black Cohosh Black Cohosh SafetySafety
FDA: “Herb of undefined safety”Likely safe if used in low doses; possibly unsafe when used > 6 months (G C i i E)(German Commission E)Contraindicated in pregnancy/lactationGI distressRare reports of liver toxicityBreast cancer aggression?
Black Cohosh Black Cohosh -- EfficacyEfficacyPossible effectiveness for menopausal symptoms, (Menopausal Index, Ham-A)
Hot flushesInsomnia
hNight sweatsAlso menstrual discomfortStudies have used the product Remifenin20 mg bid
Black CohoshBlack CohoshAdverse Effects
GI, visual, decreased BP/HR, perspiration (1 case report of seizures); increased vaginal epitheliumg pInsufficient information on salicylate content
Black CohoshBlack CohoshDrug Interactions
Additive with BP meds?Estrogenic substances? – not recommended concomitantlyconcomitantlyInsufficient info on salicylate content to produce interactions
Evening Primrose OilEvening Primrose Oil
High in Gamma-Linolenic AcidDecreases cholesterolHas been helpful in arthritisHas been helpful in arthritisHas been helpful in PMSHelpful in atopic dermatitisHelpful in diabetic neuropathy
EPO EPO -- Diabetic neuropathyDiabetic neuropathyImprovements seen in:
Nerve conduction velocityHot and cold thresholdsSensationsTendon reflexesMuscle strength
Pain was not assessedKeen, et al. Diabetes Care 1993;16(1):8-15Jamal, et al. Lancet May 10,1986:1098Boulton, et al. Diabetologia 1997;40 Suppl1:A32 (abstr)
Evening Primrose OilEvening Primrose Oil
Daily Dose 4 grams EPOEPO ~ 9% GLADaily Dose 360 mg GLADaily Dose 360 mg GLAOther sources of GLA
Borage Oil ~ 20 - 26% GLABlack Currant Oil ~ 6 - 19 % GLA
Caution with seizure disorder?
EPO EPO –– Drug InteractionsDrug Interactions
Phenothiazine – precipitate seizures?
Ginseng (Ginseng (PanaxPanax))
AdaptogenGinsenosidesRb1 and Rg1Rb1 and Rg1
increase brain protein synthesisdecrease 5-HT levelincreases ACTHincreases ACh release (Rb1)
GinsengGinseng
Rg1increases BPCNS stimulantCNS stimulant
Rb1decreases BPCNS depressant
Ginseng Ginseng -- activitiesactivities
Anti-stressImprovement and facilitation of memory and learning - esp reactions, memory and learning esp. reactions, abstract thinking, and mental arithmeticModulation of cellular metabolic processes on CHO, fats, and proteinPromotes hematopoesisFree radical scavenger
Ginseng Ginseng -- Flu vaccineFlu vaccine
227 volunteers
Scalgione, et al. Drugs Exp Clin Res 1996;22:65
227 volunteersRandomized to Ginseng 200 mg/day or placeboAfter 4 weeks - flu vaccineLooked at incidence of flu, antibody titers and natural killer cell activity
Ginseng Ginseng -- Flu vaccine cont’dFlu vaccine cont’d
4050
Placebo
42
Ginseng
15
0102030
In c ide nc e o f F lu
Ginseng Ginseng -- Flu vaccine cont’dFlu vaccine cont’d
0
2 0 0
4 0 0Placebo
171
Ginseng
272
0
A b t i t e r s
Natural killer cell activity nearly twice as high in ginseng group
Ginseng in diabetesGinseng in diabetes
36 newly diagnosed Type II diabeticsRandomized to Ginseng 100 mg 200
Sotaniemi, et al. Diabetes Care 1996;18:1373
Randomized to Ginseng 100 mg, 200 mg or placebo for 8 weeksAll were educated for dietary modifications
Ginseng in diabetes, cont’dGinseng in diabetes, cont’d
Decreased HbA1C (200 mg group)Decreased FBGImprovedImproved
moodwell-being (200 mg)vigorphysical activity (200 mg)
Ginseng in Chronic Ginseng in Chronic BronchitisBronchitis
Randomized, open-label, placebo-controlled75 patients (38 placebo, 37 ginseng)
acute attacks of chronic bronchitisAugmentin® 875 bid for 9 daysginseng G-115 100 mg or placebo bid for 9 days
Looking at clearance of bacteria from lungs daily samplesScaglione, et al. Clin Drug Invest 2001;21:41-45
Ginseng in Chronic BronchitisGinseng in Chronic Bronchitiscont’dcont’d
Chronic bronchitis - productive cough on most days at least 3 consecutive months for at least 2 yearsAcute exacerbation rapid onset of Acute exacerbation - rapid onset of cough w/purulent sputum & dyspnea, tachypnea, wheezing, and/or fever (>38° C)44 evaluable patients - 31 dropouts
22 missing bacterial counts at least 1 point9 withdrew
Ginseng in Chronic BronchitisGinseng in Chronic BronchitisResultsResults
80
100
120
Bacterial Counts (% of baseline)
0
20
40
60
80
Baseline Day 4 Day 5 Day 6 Day 7 Day 8
ABX onlyABX + Ginseng
Ginseng in Chronic BronchitisGinseng in Chronic BronchitisResultsResults
Statistically sig. at days 4, 5, 6, and 7Time to undetectable bacterial count
ABX only median - 7 daysABX only median - 7 daysmean - 6.7 days
ABX + ginseng median - 6 daysmean - 5.9 days
Both statistically sig.
Ginseng Ginseng -- DosingDosing
Use roots from 4 to 6 year old plantsAt least 4% ginsenosidesRb1 to Rg1 ratio of 2:1Rb1 to Rg1 ratio of 2:1Usually 200 to 400 mg/dayOften 2 months on, 1 month offSiberian ginseng is not the same
Ginseng Ginseng –– Drug InteractionsDrug InteractionsDiuretics (furosemide) - decreases diuretic activityMAOI’s – increases CNS side effectsInsulin sulfonylureas – increases Insulin, sulfonylureas – increases hypoglycemic effectsWarfarin – increases bleeding riskCYP3A4 inhibitor
Increased levels of nifedipineCase report of imatinib (Tykerb) hepatotoxicity
Ginkgo bilobaGinkgo biloba
Trees can live up to 1000 yearsVery resistant to bacteria, pollution, and insectsinsectsA ginkgo tree survived the Hiroshima bombMost widely used herb in EuropeOne of the most widely prescribed drugs in Germany
Ginkgo Ginkgo Flavone glycosides, terpene lactonesEffects: antioxidant, vascular protectant, inhibit platelet aggregation, PAF antagonist, neuroprotectant neuroprotectant
Primary uses: Conditions resulting from decreased cerebral or peripheral circulation (Senile dementia, vertigo, sudden deafness, intermittent claudication, vascular impotence)
Also useful: Antioxidant, antiallergy, radiation induced injury
Ginkgo / StudiesGinkgo / Studies
Many good double-blinded studies. Most in German literatureMeta-analysis of 40 studies found Ginkgo to be useful in improving such symptoms as difficulty in concentration or memory, confusion, dizziness, tinnitis, headaches, depressed mood, etc. Br J Clin Pharmacol 1992;34:352-385Nine double-blind, randomized clinical trials with ginkgo in intermittent claudication: increased distance of pain-free walking by 75-110%, maximum walkling distance by 52.6-119% and improved blood flow on doppler ultrasound Am J Nat Med 1995, 2(1):10
Ginkgo Ginkgo -- Antidepressant Antidepressant Induced Sexual DysfunctionInduced Sexual Dysfunction
Open-label63 patients (30 men, 33 women)Taking antidepressantsTaking antidepressantsReporting sexual dysfunction
libido (76%)erectile dysfunction (19%)delayed or inhibited orgasm (54%)
Cohen, et al. J Sex & Marital Ther. 1998 24:139-143
Ginkgo Ginkgo -- Antidepressant Antidepressant Induced Sexual DysfunctionInduced Sexual Dysfunction
Most had used other drugs to alleviate (cyproheptadine, yohimbine, amantadine, buspirone, or , p ,antidepressant dose)Dose: 40 -60 mg bid up to 120 mg bidAvg. daily dose = 207 mg
Ginkgo Ginkgo -- Antidepressant Antidepressant Induced Sexual DysfunctionInduced Sexual Dysfunction
ResultsResults84% positive effect
91% women76% n76% men
Helped all 4 phasesdesireexcitement (erection, lubrication)orgasmresolution (afterglow)
Ginkgo Ginkgo -- DosingDosing
Usual dose 60 - 240 mg/day (usually in divided doses)Be sure to use a standardized extract
50:1 concentration24% flavone glycosides6% terpene lactones
Side Effects: rare; gastric upset, headachesGive it time to work
Ginkgo Ginkgo –– Drug InteractionsDrug Interactions
Induces CYP2C19 – lowers levels of omeprazole, valproic acid, phenytoinTrazodone – comaTrazodone comaAnti-platelet activity – increases bleeding risk of warfarin and NSAIDs
St. John’s wort (Hypericum peforatum)St. John’s wort (Hypericum peforatum)
Named for John the BaptistWort - Olde English for plantActive ingredients:
H i iHypericinPseudohypericinHyperforin
Inhibits monoamine oxidaseInhibits reuptake of dopamine, serotonin and norepinephrineEffects: antiretroviral, antidepressant
St. John’s Wort / UsesSt. John’s Wort / Uses
Liscensed in Germany for: Depression, anxiety, sleep disordersas effective as standard antidepressantsfewer and milder side effectsMost widely prescribed antidepressant in Germany
30%-50% of antidepressant Rx’s - around 3 million yearly
St. John’s WortSt. John’s Wort(Scientific Evidence)*(Scientific Evidence)*
Recent review and meta-analysis publishedRandomized trials involving 1757 outpatients with mild to moderate depression: superior to placeboAs effective as amitriptyline imipramine As effective as amitriptyline, imipramine, maprotilinePooling studies of different preparations of herb problematic23 randomized, controlled studies identified between 1983-1994. NONE in the English language!
*BMJ 1996;313:253
St. John’s wortSt. John’s wort
Dose: Commission E recommends 1 mg hypericin content dailyMost studies used 2.7 mg hypericin content/day (0.9 mg tid)mg tid)Some studies now using 3 - 6% hyperforinSide effects: GI, photosensitivity?, MAOI?
0 - 25% in studiesone study 3250 patients - 2.4%
2 to 4 weeks may be needed to see results Fair skinned patients may have problem with UV-A
St. John’s Wort St. John’s Wort --Drug InteractionsDrug Interactions
MAO inhibitors SSRI’s - serotonin syndromeTriptans – serotonin syndrome (theoretical)Di i l di l lDigoxin - lowers dig. levelsIndinavir, nevirapine, lamivudine - lowers levelsCyclosporin, tacrolimus - lowers levelsSimvastatin, atorvastatin – lowers levelsOral Contraceptives??
Saw Palmetto (Serenoa repens)Saw Palmetto (Serenoa repens)Also called sabalNative to the Southeastern U.S.Liposterolic extract is usedAntiandrogenic, antiestrogenic, antiinflammatoryg , g , yInhibits 5 alpha reductaseAlpha-1 antagonistUse: benign prostatic hypertrophy
Can decrease prostate sizeCan help with symptoms within 1 monthStudies have not shown an effect on PSA
BPH BPH -- MetaMeta--AnalysesAnalyses
Saw Palmetto18 trials2939 pts
Alpha-1 blockers25 trials6840 ptsp p
Wilt, et al. JAMA
1998;280:1604
Djavan, et al. Eur Urol
1999;36:1
BPH BPH -- MetaMeta--AnalysesAnalysesSaw Palmetto
Urinary tract sx: 28% abs vs placeboMax flow: + 1.93 ml/s (24%) abs vs
Alpha-1 blockersUrinary tract sx: 10 to 20% abs vs placeboMax flow: + 5 to 15% abs vs placebo/ ( )
placeboADR’s: 0.8% vs placebo Dropouts: 2.1% vs placebo
abs vs placeboADR’s: 5-10% vs placebo for terazosin & doxazosin (5% for tamsulosin & alfuzosinDropouts: 4-10% vs placebo (Ter & Dox)
Saw Palmetto MetaSaw Palmetto Meta--AnalysisAnalysis
Mean flow: +2.22 ml/s (28% vs placebo)Residual volume: -22.05 ml (43% vs placebo)placebo)
Saw Palmetto DosageSaw Palmetto Dosage160 mg twice a dayBe sure it is standardized to 85 - 95% fatty acids and sterolsfatty acids and sterolsWell tolerated, but a few GI effects
LicoriceLicoriceGlycyrhizin - mimics aldosterone
Usesliver disorderschronic fatigue
Precautionssodium retentionpotassium loss
Deglycyrrhized licorice (DGL) - GI disorders (activity probably due to flavonoids)
DGLDGL
More helpful in ulcersIncreased gastric prostaglandinsIncreased mucus secretionIncreased mucus secretionUsually chewable tablets300 mg - 400 mg 20 min before meals
Milk Thistle (Silybrum Milk Thistle (Silybrum marianum)marianum)
Active component - silymarin (a bioflavanoid complex)
Hepatoprotective: antioxidantantioxidantmembrane stabilizerstimulation of hepatocyte regeneration
Staple in European emergency departmentsUses: alcoholic liver disease, hepatitis (acute, chronic, infectious, chemical), Amanita mushroom poisoning
Randomized Controlled Trial of SilymarinRandomized Controlled Trial of Silymarinin Patients with Cirrhosis of the Liver*in Patients with Cirrhosis of the Liver*
Double- blind, prospective randomized 170 patients with cirrhosis (91 alcoholic; 79 non-alcoholic)Silymarin: 140mg TIDSeverity: Child A:89 B:69 C:12yMean observation period 41 months4-year survival rate: 58% silymarin ; 39% placebo (p=0.036%)Sub-group analysis: Treatment effective in patients with alcoholic cirrhosis (p=0.01) and patients rated Child A (p=0.03)
*J Hepatology 1989;9:105-113
Milk Thistle DosageMilk Thistle Dosage200 mg three times a dayCan change to twice daily after improvementBe sure product is standardized to provide p p
70% silymarin (140 mg in a 200 mg capsule)
May cause transient loose stools
Valerian Valerian (Valeriana officinalis)(Valeriana officinalis)
Name from Valere - to be in health Used in WWI for “overwrought
” d i tillnerves” during artillerybombardment
Over 50 tons sold yearly in FranceActive ingredients:
Volatile oil ?Valepotriates ?
Smells like old socks - Excites cats
ValerianValerian
Actions:Enhances activity of GABAAntagonizes hypnotic effect of alcohol, but
Z ZZ
g yp ,not impaired judgement or reaction times
UsesInsomniaAnxiety includingtraffic stress and performance anxiety
HypnosedativesHypnosedatives
Common Treatments of InsomniaBenzodiazepinesDiphenhydramineDiphenhydramine
Disadvantages of Hypnosedativesextended sedationimpaired cognition and motor activitydecreased REM sleepanticholinergic side effectsdependence
Valerian DosageValerian DosageAnxiety: 100 - 200 mg per doseInsomnia: 200 - 500 mg
Take 30 to 40 minutes prior to bedtimeDose may need to be increased in patients used to anxiolytics or hypnoticsLarge doses (>900 mg ) could cause
hangoverDo not abruptly stop benzodiazepines
NONNON--BOTANICAL BOTANICAL NATURAL PRODUCTS NATURAL PRODUCTS
AND THEIR AND THEIR AND THEIR AND THEIR IMPACT ON HEALTHIMPACT ON HEALTH
Coenzyme Q 10Coenzyme Q 10
Also known as ubiquinone or ubidecarenoneEndogenous lipid soluble anti-oxidantEndogenous lipid soluble anti oxidantFound mostly inside mitochondriaImportant as an electron carrier for respiratory energy transportSynthesized from mevalonate
Coenzyme Q 10 Coenzyme Q 10 --Dilated cardiomyopathyDilated cardiomyopathy
Ma, et al. Blood Press Suppl
19963:53 5561 patientsMitochondrial membrane phospholipid (MMP) injury3 groups: placebo, captopril, CoQ10
19963:53-55
Coenzyme Q 10 Coenzyme Q 10 -- Dilated Dilated cardiomyopathy, cont’dcardiomyopathy, cont’d
At 12 weeks sig. MMP repair in captopril and CoQ10 groups2 year survival improvement
placebo: 24.7%captopril: 64.0%CoQ10: 72.7%
Coenzyme Q 10 Coenzyme Q 10 --CardiomyopathyCardiomyopathy
143 patients
Int J Tissue React 1990 12:169
143 patients chronic stable non-hypertrophic cardiomyopathy98% NYHA class III or IVfollowed for 6 years
Coenzyme Q 10 Coenzyme Q 10 --Cardiomyopathy, cont’dCardiomyopathy, cont’dsig improvement in ejection fraction in 84% (from 44% EF to 60% in 6 months)( )85% improved 1 to 2 NYHA classesMortality:
12 month 11.1%24 month 17.8%
New York Heart AssocNew York Heart AssocClassificationClassification
I Well compensated, no physical limitations no sx at normal activity
II Sl. limitation of physical activity, sl. p y y,increase in of sx at normal activity
III Comfortable only at rest. Sx with less than normal activity
IV Sx at rest
Coenzyme Q 10 in AMICoenzyme Q 10 in AMI
Randomized, double-blind, placebo control144 patients 144 patients
73 - Co Q 10 120 mg/day X 28 days71 - placebo X 28 days
Started within 3 days of symptom onset
Singh, et al. Cardiovasc Drugs Ther 1998;12:347-353
Co Q 10 in AMI (cont’d)Co Q 10 in AMI (cont’d)CoQ10 Placebo
angina 9.5% 28.1% arrhythmias 9.5% 25.3%poor left vent.f ti 8 2% 22 5%function 8.2% 22.5%total cardiacevents (fatal &nonfatal) 15.0% 30.9%increased Vits. A, E, C, beta-carotene intx group
Coenzyme Q 10 in Coenzyme Q 10 in Isolated Systolic HypertensionIsolated Systolic Hypertension
Randomized, double-blind, placebo control80 patients 80 patients
32 - Co Q 10 60 mg bid X 12 wks (additional 9 normotensive)39 - placebo X 12 wks
SBP 150 -170; DBP<90Burke, et al. Souther Medical Journal 2001;94(11):1112-1117
Coenzyme Q 10 in ISH (cont’ed)Coenzyme Q 10 in ISH (cont’ed)
10 day washoutSBP > 175 once or > 170 x 3 consec.visits excluded ptexcluded pt.Same for DBP > 115Co Q10 levels baseline and after tx
Coenzyme Q 10 in ISH resultsCoenzyme Q 10 in ISH results
Co Q10 pts 55% responders (> 4 mmHg decrease in SBP))(43% > 7 MmHg) 45% non-responders
Coenzyme Q 10 in ISH Coenzyme Q 10 in ISH resultsresults
Avg reduction in SBP For CO Q10 was 17.8 mmHg(+7 3)
160
165
170
7.3)
Avg reduction in responders was 25.9mm Hg (+ 25.9)
135
140
145
150
155
Co
Q10
Plac
ebo
BeforeAfter
Coenzyme Q 10 in peridontal Coenzyme Q 10 in peridontal dzdzPatients w/ peridontal dz often have CoQ10 (around 80% of normal)The deficiency has been measured in serum and local tissueStudies using CoQ10 replacement have shown improvement in 5 to 7 daysUse with physiotherapy not instead of it
Coenzyme Q10 and Coenzyme Q10 and Breast CancerBreast Cancer
32 high risk pts. (spread to axillary nodes)Co-Q10 (90 mg) and other antioxidants for 18 months
Lockwood, et al. Molec Aspects Med 1994;15:S231
Coenzyme Q10 and Coenzyme Q10 and Breast Cancer FindingsBreast Cancer Findings
No deaths (4 expected)No weight lossI d QOLImproved QOLReduced analgesic usage6 partial remission - 2 in full remission after 24 months (dose increased to 300 -390 mg)
Lockwood, et al. Molec Aspects Med 1994;15:S231
Coenzyme Q10 and Coenzyme Q10 and CardiotoxicityCardiotoxicity
Children (3 - 15 y/o) w/acute lymphoblastic leukemia & Non-Hodgkins lymphomaHodgkins lymphomaOn anthracyclines10 Co-Q 10; 10 placeboCumulative anthracycline doses 210 -270 mg/m2
Iarussi, et al. Molec Aspects Med 1994;15:S207
Coenzyme Q10 and Coenzyme Q10 and CardiotoxicityCardiotoxicity
Less left ventricular fractional shortening in Co-Q 10 groupDecrease in intraventricular septum Decrease in intraventricular septum wall thickening only in placebo groupFewer wall motion abnormalities in Co-Q 10 group
Iarussi, et al. Molec Aspects Med 1994;15:S207
Coenzyme Q 10 Coenzyme Q 10 -- dosingdosing
Breast Cancer - 390 mg/dayCHF - at least 200 mg/dayPeriodontal dz 100 Periodontal dz - 100 “Statin” pts. - 100 mg/dayFat soluble, so fatty form best
Q-gelpeanut butter
Coenzyme Q 10 Coenzyme Q 10 –– Drug InteractionsDrug Interactions
Warfarin – inconsistentCoQ10 – vit K like molecule that can antagonize effects of warfaringMay decrease INR
Chemotherapy – decreases effectiveness due to antioxidant activity (theoretical)
Glucosamine and ChondroitinGlucosamine and Chondroitin
Glycosaminoglycans - components of cartilage matrixChondrotin attracts fluids and nutrients Chondrotin attracts fluids and nutrients into proteoglycan moleculesGlucosamine stimulates chondrocyte activityUsually used in osteoarthritis
Chondroitin vs DiclofenacChondroitin vs Diclofenac
Randomized, double-blind 146 patients with knee osteoarthritis
Morreale, et al. J Rheum 1996;23:1385
Diclofenac 50 mg t.i.d or chondroitin 400 mg t.i.d.Diclofenac worked faster, but chondroitin worked better and lasted longer and cessation of tx
Glucosamine vs IbuprofenGlucosamine vs Ibuprofen
Double-blind40 outpatients
Vaz. Curr Med Res Opin 1982;8:145
pRandomized to Ibuprofen 400 mg t.i.d or Glucosamine 500 mg t.i.d.At 2 weeks, ibuprofen was betterAt 8 weeks, Glucosamine was betterSide effect: Ibu-25% Gluc-11%
Glucosamine vs IbuprofenGlucosamine vs Ibuprofen
Double-blind178 outpatients - knee OA
∗Qui, et al. Arzneim-Forsch 1998;48:469
pRandomized to Ibuprofen 400 mg t.i.d or Glucosamine 500 mg t.i.d.At 2 weeks, and 4 weeks knee pain scores and knee swelling scores
Qui, et al studyQui, et al study
789
Knee Pain Score
0123456
Pre-TX 4weeks
GSIbu
Qui, et al studyQui, et al study
Knee Swelling Score
11.21.41.6
00.20.40.60.8
1
Pre-TX 4weeks
GSIbu
Glucosamine vs IbuprofenGlucosamine vs Ibuprofen
Adverse effects due to drugsGS - 6%
∗Qui, et al. Arzneim-Forsch 1998;48:469
Ibu - 16%Drug related drop-outs
GS - 0%Ibu - 10%
Both statistically significant
Glucosamine 3 Year StudyGlucosamine 3 Year Study
212 patients106 glucosamine 1500 mg qd106 placebo qd106 placebo qd
OA of knee Symptoms - WOMAC scale - every 4 monthsDx progression - X-ray - joint space width - baseline, 1 yr & 3 yr
Reginster, et al. Arthritis and Rheumatism 1999;9:S400(abstr)
Glucosamine Glucosamine -- resultsresultsWOMAC scoresWOMAC scores
1000
1200
Per Protocol ITT
0
200
400
600
800
Placebo Placebo
Baseline3 Years
Glucosamine Glucosamine -- resultsresultsWOMAC score changeWOMAC score change
5
10
Per Protocol ITT
-25
-20
-15
-10
-5
0
Placebo Placebo
% change
Glucosamine Glucosamine -- results results Joint Space Width (mm)Joint Space Width (mm)
5 455.5
Per Protocol ITT
4.955
5.055.1
5.155.2
5.255.3
5.355.4
5.45
Placebo Gluosamine
Baseline3 Years
Glucosamine Glucosamine -- resultsresultsJoint Space Narrowing (mm)Joint Space Narrowing (mm)
0 30.35
Per Protocol ITT
-0.15-0.1
-0.050
0.050.1
0.150.2
0.250.3
Placebo Placebo
mm change
Glucosamine /ChondroitinGlucosamine /Chondroitin
More “antireactive” than anti-inflammatoryChondroprotectiveChondroprotectiveOsteoarthritis is degenerative more than inflammatoryGlucosamine is more bioavailable than chondroitin
Glucosamine /ChondroitinGlucosamine /Chondroitin
Glucosamine 500 mg po t.i.dChondroitin 400 mg po t.i.d.Often available in comboOften available in comboMay want to give NSAIDS for first 2 to 4 weeks
Glucosamine Glucosamine –– Drug InteractionsDrug Interactions
Theoretical concern that may increase insulin resistance
May require increased dose of insulin or y qsulfonylurea – not likely
MSMMSM
Methyl sufonyl methaneDimethylsulfoneSulfur containing productSulfur containing productDehydrating agentFacilitates attachment of flu viruses to cellsNo published human evidence in arthritis
SAMeSAMeS-adenosylmethionineSulfur containing amino acidMetabolized to homocysteineStudied inStudied in
depressionfibromyalgiaosteoarthritiscirrhosis
Expensive
SAMeSAMe
Osteoarthritis - compared topiroxicamnaproxennaproxenibuprofenindomethacin
Generally - as affective, less side effectsExpensive ~ $150.00/month
SAMe SAMe -- MetaMeta--analysisanalysisMore effective than placeboDepression - compared to
amoxapinemaprotalinemaprotalinetrazadoneimipramine
Generally - as affective, less side effectsExpensive ~ $250.00/monthBressa. Acta Neurol Scand. 1994;Suppl 154:7-14
SAMeSAMe –– Drug InteractionsDrug Interactions
Serotonin syndrome?
ChromiumChromium
Not an herb - a mineralGlucose tolerance factorIncreases insulin efficiencyIncreases insulin efficiencyDecreases triglyceridesIncreases HDL
Chromium study (China)Chromium study (China)
180 patients (60 in each group)Type II diabeticsOn other diabetes treatments (insulin On other diabetes treatments (insulin, sulfonylureas,metformin, chinese herbs)Placebo , 200 mcg/day, or 1000 mcg/day divided into 2 doses for 4 months
Anderson, et al. Diabetes. 1997;46(11):1786-91.
Chromium study Chromium study -- resultsresultsH e m o g l o b i n A 1 C
6789
1 0 9 .18 .5
9 .4
7 .5
9 .4
6 .6
Both chromium groups show sig. lower HbA1c at 4 months
56
B a s e l in e 4 m o n t h sP la c e b o 2 0 0 m c g 1 0 0 0 m c g
Chromium study Chromium study -- resultsresults
177160
177
129
100
150
200
Baseline
4 Months
Fasting Blood Glucose
0
50
Placebo 1000 mcg
Chromium Chromium –– Drug InteractionsDrug Interactions
Insulin, sulfonylureas – enhances hypoglycemic effectsLevothyroxine – lowers levelsLevothyroxine lowers levels
Take levothyroxine 30 min before or 4 hrs after chromium
NSAIDs – increase chromium levels
Patient ConsiderationsPatient ConsiderationsUse a reliable sourceInterpret extravagant claims in light of scientific evidenceThere could be side effectsHormonal systems have multiple feedback mechanismsSome could interact with other drugsVery little information about use in children, pregnant, or lactating women
Recommended Web SitesRecommended Web Siteshttp://www.consumerlab.com
$19.95/yr
Memorial Sloan-Kettering Cancer Center http://www.mskcc.org/mskcc/html/11570.cfm
Recommeded Reference Recommeded Reference SourcesSources
☺ Pharmacists Letter/Prescriber’s Letter Guide to Natural Products, 2002 $100
☺ The Lawrence Review of Natural Products, ( thl d t ) $60/
NATURALPRODUCTS
(monthly update) $60/yr☺ Facts and Comparison’s Guide to Popular Natural
Products, 2002, $30☺ Herbs of Choice, 1994 , Tyler,V $25/$13☺ Physicians & Pharmacists Guide to the Top Ten
Scientifically Proven Natural Products, Ogletree, RL & Fischer,RG 1997