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UMMC Pharmacy Newsletter
March – April 2012

Benign prostatic hyperplasia (BPH), or enlargement of the prostate gland, is common in men and
almost universally associated with aging. This article gives an overview of BPH and reviews potential
treatments including emerging options.

Hereditary angioedema (HAE) is a rare genetic disorder that is characterized by episodic subcutaneous and submucosal edema occurring in the extremities, abdomen, or rarely the larynx. This article looks at treatment options for this potentially deadly disorder. The FDA Amendments Act of 2007 (FDAAA), effective March 25, 2008, implemented the Risk
Evaluation and Mitigation Strategy (REMS), designed to ensure that drug benefits outweigh risks.
The REMS program allows access to potentially serious risk medications, which otherwise may never
have been approved. Approximately 180 medications, including generic and biologic products,
currently fall under REMS review.

Rilpivirine (Edurant™), the fifth non-nucleoside reverse transcriptase inhibitor (NNRTI), was FDA
approved in May 2011. Medications in this unique class bind to the enzyme reverse transcriptase,
blocking RNA and DNA-dependent DNA polymerase activities including HIV-1 replication.1

Benign Prostatic Hyperplasia: An Update and New Options for Treatment
Justinne Guyton, PharmD, Matt Hill, PharmD, Robert Wilson, PharmD and Debbie Minor,

Benign prostatic hyperplasia (BPH), or enlargement of the prostate gland, is common in men and
almost universally associated with aging. Prevalence begins to increase exponentially beginning
around age 40, and about half of men over age 75 have some symptoms of BPH.1 The
Massachusetts Male Aging Study associated higher free prostate specific antigen (PSA), heart
disease, and the use of beta blockers with an increased risk of BPH.2 Cigarette smoking (<1
pack/day) and higher levels of physical activity were associated with a decreased risk of BPH.
Variation in sexual activity, alcohol intake, body mass index, diastolic blood pressure, diabetes and
decreased serum androgen levels did not alter risk.2 Race has some influence, but only in severity.
Black men under 65 years may be more likely to require treatment for BPH than white men.1
Though enlargement of the prostate gland typically begins in middle age, symptoms usually do not
present for several years and may vary over time. Hypertrophy of the bladder detrusor muscle tends
to initially compensate for the compression caused by prostate enlargement. As hyperplasia and
compression progress, obstruction of the urethra occurs causing increased urinary flow resistance
and impaired detrusor muscle response. This leads to lower urinary tract symptoms (LUTS) such as
hesitancy, incomplete emptying, intermittency, post-void dribbling and decreased force of stream.

Treatment of BPH

Older age and the presence of functioning Leydig (i.e. testosterone producing) cells in the testes are
essential for the development of BPH.3 It is currently thought that the connective stromal tissue of the
prostate becomes increasingly sensitive to dihydrotestosterone, the active form of testosterone, over
time, specifically in the periurethral zone. Men without BPH tend to show testosterone receptor
expression primarily in the epithelial, fluid-producing tissue. In contrast, patients with BPH express
this receptor in a more heterogeneous fashion, promoting an increase in volume over the entire
gland.4 This is often referred to as the static component of BPH. Another factor contributing to BPH is
the dynamic component, characterized by relatively high androgen tone in the prostatic smooth
muscle mediated by the alpha adrenergic receptor. Stimulation of this receptor causes increased
smooth muscle contraction and further decreases urethral lumen diameter.

The treatment for BPH varies based on the type and severity of symptoms and may be unnecessary
in asymptomatic patients. In general, pharmacological treatment is often effective and attempted
before considering invasive surgery. Patients with severe or long-standing symptoms may ultimately
require surgical intervention.
The pharmacological treatment of BPH is primarily approached with three classes of medications:
alpha1 adrenergic blockers (alpha blockers), 5-alpha reductase inhibitors (5-ARIs), and the newly
approved phosphodiesterase type 5-inhibitor (PDE5-I). Patients may require a combination of these
therapies, depending on symptoms and their severity. The static or volume component of BPH can
be managed by using 5-ARIs such as finasteride and dutasteride. These medications improve
symptoms over four to five months by reducing cell number and density in the prostate stroma,
through inhibition of testosterone conversion to active dihydrotestosterone.
The dynamic component of BPH is approached using alpha blockers. Five are approved in the US
for the treatment of BPH: terazosin, doxazosin, tamsulosin, afluzosin, and silodosin. These are all
long acting but differ in receptor specificity and potential adverse effects. By inhibiting the alpha
receptor, these agents cause decreased smooth muscle contraction within the prostate. Three
subtypes of the alpha receptor have been identified: alpha1A, alpha1B, and alpha1D. Alpha1B and
alpha1D mediate vascular smooth muscle contraction while alpha1A mediates urethra and periurethral
smooth muscle contraction.5 The receptor selectivity of the alpha blockers varies between agents.
The American Urological Association (AUA) has traditionally recommended watchful waiting in
patients with mild symptoms (AUA- Symptom Index score <8) and moderate or severe symptoms
(AUA-Symptom Index score >8) secondary to BPH who are not bothered by their LUTS. Alpha
blockers are recommended for the treatment of patients with bothersome moderate to severe LUTS.
An update to the AUA guidelines added the option of combination therapy with an alpha1 blocker and
5-alpha reductase inhibitor for these patients.6
Gonadotropin-releasing hormone (GnrH) agonists and antiandrogens are also used in the treatment
of BPH, though the resulting androgen deficiency and sexual dysfunction makes these agents
unacceptable for many patients.
Patients with severe symptoms of BPH may require prostatectomy performed either transurethrally or
suprapubically.7 These patients may have problems with adherence or be unresponsive to drug
therapy. Transurethral resection of the prostate (TURP) is also used and does not result in entire
prostate removal. In this procedure an endoscope is inserted into the urethra to remove the inside
core of the prostate. Though relatively less invasive, symptoms may reoccur over time with this
procedure as tissue regeneration occurs.8

A New Option for BPH - Phosphodiesterase-5 Inhibitors

In The Multinational Survey of the Aging Male (MSAM-7), an increased incidence of sexual
dysfunction was found in men with LUTS, especially in those older and with severe symptoms.9
Although epidemiologic evidence links BPH and erectile dysfunction (ED), the specific etiology has
not been determined. In recent years, pharmacotherapy options that target symptoms of both have
been evaluated, with positive evidence emerging for the PDE5-Is and one recent medication approval
This is reasonable as the phosphodiesterase isoenzyme 5 regulates smooth muscle tone in the
prostate, penile corpus cavernosum, bladder and vasculature.
The effect of tadalafil (Cialis®) was evaluated in three randomized, controlled trials of 12 weeks
duration in approximately 2000 men with moderate to severe symptoms of BPH. Outcomes measured
included patient perceived changes in symptoms as measured by the International Prostate Symptom
Score (IPSS, baseline >7) and the change in maximum urinary flow rate. The International Index of
Erectile Function-Erectile Function (IIEF-EF) questionnaire was used to evaluate reported symptoms
of sexual dysfunction in men with ED. IPSS assesses both the irritative and obstructive symptoms of
BPH using seven questions. Scores range from 0-35, with higher numbers representing an increased
severity of symptoms. Scores for the IIEF-EF range from 1-30, with low scores representing
increased sexual dysfunction. Results from the three trials are summarized in the table below. The
mean urinary flow rate increased from baseline in each of these studies, though it was not statistically
significant when compared to placebo.10-12
* 55% of study patients who were sexually active with ED Subsequent to the findings of these studies submitted for FDA review, tadalafil was approved in September 2011 for daily use in patients with BPH or BPH with ED. The recommended dose is 5 mg daily, similar to the daily dose for ED (2.5 or 5 mg), but lower than the as needed dose (5, 10 or 20 mg). As other medication classes used for BPH can potentially cause sexual dysfunction, use of PDE5-I may provide another treatment option for men who have sexual side effects related to these medications.13 Further studies are needed to more adequately define both the benefits and risks of combination therapy. Tadalafil is not currently recommended in combination with alpha blockers for the treatment of BPH. Caution is advised when using the combination for treatment of ED.13 Patients should be advised to take tadalafil at the same time each day, without regard to timing of sexual activity. As with prn use, daily use of tadalafil can potentiate the hypotensive effects of nitrates, alpha blockers, antihypertensives and alcohol. Concurrent use with potent CYP 3A4 inhibitors or inducers may increase or decrease tadalafil exposure. If a patient is already receiving an alpha blocker, prescribing guidelines recommend the discontinuation of the alpha blocker at least 1 day prior to the initiation of tadalafil for BPH.13 Conclusion

Pharmacotherapy options for BPH have advanced over the last ten to fifteen years, allowing many
patients to achieve symptom improvement and an increased overall quality of life. While there are
caveats to the selection and use of each of the primary classes of medications indicated for BPH,
there is insufficient evidence at this time to suggest one agent or class as clinically superior to
another. The increased recognition of the concurrent occurrence of ED and BPH allows consideration
for a common treatment regimen for many men. Several studies establish the significant improvement
in BPH symptoms with and without ED, leading to this new use for PDE5-Is and the expanded
indication for tadalafil.
1. Cunningham G, Kadmon D. Epidemiology and pathogenesis of benign prostatic hyperplasia.
UpToDate 2009;18.2.3;1-14. Last accessed, September 20, 2010. 2. Meigs JB, Mohr B, Barry MJ, et al. Risk factors for clinical benign prostatic hyperplasia in a community-based population of healthy aging men. J Clin Epidemiol. 2001; 54:935. 3. Lee KL, Peehl DM. Molecular and cellular pathogenesis of benign prostatic hyperplasia. J Urol. 4. Chodak GW, Kranc DM Puy LA, et al. Nuclear localization of androgen receptor in heterogeneous samples of normal, hyperplastic and neoplastic human prostate. J Urol. 1992 Mar;147:798-803. 5. Ruffolo, R.R., Jr., and Hieble, J.P. Adrenoceptor pharmacology: urogenital applications. Eur. Urol., 6. McVary KT, Roehrborn CG, Avins AL, et al. Update on AUA guideline on the management of benign prostatic hyperplasia. J Urology. 2011 May;185:1793-803. 7. Wasson JH, Reda DJ, Bruskewitz RC, et al.; for the Veterans Affairs Cooperative Study Group on Transurethral Resection of the Prostate. A comparison of transurethral surgery with watchful waiting for moderate symptoms of benign prostatic hyperplasia. N Engl J Med. 1995;332:75–9. 8. Rassweiler J, Teber D, Kuntz R, Hofmann R. Complications of trans-urethral resection of the prostate (TURP): Incidence, management, and prevention. Eur Urol 2006;50:969–80. 9. Rosen R, Altwein J, Boyle P, Kirby RS, Lukacs B, Meuleman E, et al. Lower urinary tract symptoms and male sexual dysfunction: the multinational survey of the aging male (MSAM-7). Eur Urol. 2003 Dec;44(6):637-49. 10. Roehrborn CG, McVary KT, Elion-Mboussa A, Viktrup L. Tadalafil administered once daily for lower urinary tract symptoms secondary to benign prostatic hyperplasia: a dose finding study. J Urol. 2008 Oct;180(4):1228:34. 11. Porst H, Kim ED, Casabé AR, Mirone V, Secrest RJ, Xu L, et al. Efficacy and safety of tadalafil once daily in the treatment of men with lower urinary tract symptoms suggestive of benign prostatic hyperplasia: results of an international randomized double-blind, placebo-controlled trial. Eur Urol. 2011 Nov;60(5):1105-13. Epub 2011 Aug 12. 12. Egerdie RB, Auerbach S, Roehrborn CG, Costa P, Garza MS, Esler M, et al. Tadalafil 2.5 or 5 mg administered once daily for 12 weeks in men with both erectile dysfunction and signs and symptoms of benign prostatic hyperplasia: results of a randomized, placebo-controlled, double-blind study. J Sex Med. 2012 Jan;9(1):271-281. 13. Cialis ® [tadalafil] Prescribing Information. Indianapolis, IN: Eli Lilly and Company; Oct 2011. Hereditary angioedema: updated options for management and treatment
Linsdsey Tillman, Pharm.D.
Hereditary angioedema (HAE) is a rare genetic disorder that is characterized by episodic subcutaneous and submucosal edema occurring in the extremities, abdomen, or rarely the larynx.1,2 It is estimated to affect 1 in 50,000 people and is thought to be caused by a disruption of C1 esterase inhibitor activity. Patients with HAE may have low plasma levels of C1 inhibitor (type 1) or produce inactive protein despite normal levels (type 2). The C1 esterase inhibitor controls activation of the systemic complement, coagulation, and contact cascades.2 Diminished inhibitor activity leads to largely unopposed bradykinin. HAE attacks then follow as bradykinin stimulates vasodilation, increases vascular permeability, causing edema and can even cause bronchoconstriction.3 A person may be born with the protein deficiency and HAE or develop it later in life. Approximately one in four patients “acquire” this condition from spontaneous gene mutations.4 Most patients experience their first symptoms of HAE before the age of 20. Symptoms typically progress over 8-24 hours and resolve without treatment after 48-96 hours. Patients generally experience periods of remission that last less than 1 year. Skin swelling most often occurs in the face and extremities. Some cases are minor and do not require treatment, while others are extremely painful and may cause immobility and decrease quality of life. Gastrointestinal edema tends to be severe with nonspecific symptoms such as abdominal pain, cramping, vomiting, diarrhea, and nausea. The most common cause of death associated with HAE occurs from swelling of the larynx. Fortunately, this is uncommon, occurring in less than 1% of attacks. Laryngeal edema, when it happens, generally begins with symptoms of dysphagia, hoarseness, and dyspnea and progresses over 8-12 hours.1,5 HAE differs from angioedema caused by hypersensitivity reactions in that it does not produce urticaria or pruritus or respond completely to antihistamines or epinephrine.3 Treatment for acute attacks of HAE includes therapies that decrease bradykinin production, block bradykinin receptors, or increase the amount of C1 esterase inhibitor. Some patients require prophylaxis of HAE attacks on a short-term basis before surgical and dental procedures; however, patients with severe laryngeal involvement or those experiencing frequent attacks may require long-term prophylactic treatment. New options for both treatment and prophylaxis of HAE have recently become available in the United States. Treatment options for acute attacks of HAE include fresh frozen plasma (FFP), C1 inhibitor concentrate, ecallantide, or icatibant. Androgens (danazol / stanozolol), antifibrinolytics (tranexamic acid / aminocapric acid), FFP (fresh frozen plasma), or C1 inhibitor concentrate are used for prophylaxis.1,3 These agents and dosing information are highlighted in the Table below. Prior to the availability of newer options, FFP was the only therapy for acute attacks. No longer recommended by the international guidelines, FFP includes protein precursors to bradykinin which could theoretically worsen attacks.5 In 2007, a review reported that FFP was not associated with increased or worsening attacks; however, its efficacy has still not been established in clinical trials.1 Plasma-derived C1 inhibitor (pdC1INH) has been considered first-line therapy for HAE exacerbations for many years outside the United States. Transmission of viral infections through these products has been of concern, though extensive screening and purification now make this unlikely.1 Berinert®, a pasteurized form of human C1 inhibitor, was approved for treatment of HAE attacks in the United States in 2009.1 In clinical trials, patients had a median time to symptom relief of 48 minutes with Berinert® versus more than 4 hours with placebo.6 Cinryze® is a nanofiltered preparation of pdC1INH that is approved for prophylaxis of HAE exacerbations. In clinical trials, Cinryze® decreased the average attack severity and reduced the duration by 66% in days of swelling.6 Both Berinert® and Cinryze® may be self-administered after patients receive proper education from their healthcare provider.6,7 Prescribing information for Berinert® recommends that patients seek medical attention after self-administration for treatment of a laryngeal attack.6 A recombinant form of C1INH, developed to circumvent the concerns with plasma-derived products, is currently approved in Europe and in phase III trials in the United States.3,5 Ecallantide (Kalbitor®), a kallikrein inhibitor, was FDA approved in 2009 for the treatment of acute HAE attacks.8 Inhibition of kallikrein, a protein precursor to bradykinin, should lead to decreased bradykinin levels and activity during an attack.2 Because ecallantide is not derived from human plasma products, there is no concern of viral transmission.1 Ecallantide must be given by a healthcare professional so the manufacturers have instituted a home infusion service for patient convenience. Nurses are available 24 hours per day for administration of the medication. Prescribing information for ecallantide includes a Black Box Warning for anaphylaxis.8 In EDEMA-3 and EDEMA-4, the two clinical trials used to gain FDA approval, patients treated with ecallantide had significantly greater decreases in symptom scores at 24 hours versus placebo; however, scores were not significantly different 4 hours after treatment initiation.1,8 Icatibant (Firazyr®), a competitive bradykinin B2 receptor inhibitor, is the most recently FDA-approved medication for the treatment of acute HAE attacks.3 The medication is designed for self-administration, after proper instruction from a healthcare professional.9 In clinical trials, the median time to 50% symptom reduction ranged from 2 to 2.5 hours with Firazyr®, compared to 4.6 hours for placebo in the FAST-1 trial and 19.8 hours in the FAST-3 trial.9 In the active-controlled FAST-2 trial, patients treated with tranexamic acid had 50% symptom reduction in 12 hours versus only 2 hours in those treated with Firazyr®.9 It should be noted, however, that tranexamic acid is not considered a first-line agent for acute attacks, because its onset of action for HAE takes several days. Nearly all patients who received icatibant in clinical trials reported injection site pain (97%).1,9 Other options for prophylaxis of HAE attacks include androgens and antifibrinolytics.5 Synthetic anabolic androgens are used to increase C1INH plasma levels, although the mechanism behind this activity is not fully understood. Danazol and stanozolol are considered the drugs of choice for this indication. Dosing for both should be titrated to the lowest dose that still confers benefit. Because of the virulizing effects of these medications, they should not be used in pregnant women or in children. Antifibrinolytics such as aminocaproic acid and tranexamic acid (not available in the United States) are the preferred agents in children and pregnant women. Their mechanism of action in controlling HAE attacks is also unknown.10 For some patients with HAE, short–term prophylaxis for surgical or dental procedures is important to prevent a potential attack. High doses of androgens are generally used; however, they must be started 5-7 days before the scheduled procedure. Alternatively, FFP may be infused several hours prior to the procedure.10 While newer treatments are not indicated for this, there have been several case reports and smaller trials indicating that pdC1INH may be a viable option for short-term prophylaxis of attacks in the future. HAE is a chronic and complex genetic disease that requires specialized care and a multidisciplinary approach for treatment. In the past, treatment options available for acute attacks have been limited. Several therapies have emerged now that may make HAE more manageable and offer options for initial self- management of acute attacks. Miscellaneous
administered. Can repeat dose twice at 6 hr intervals if needed 200 mg TID PO 5-7 days prior to procedure for short-term 1. Thomas MC and Shah S. New treatment options for acute edema attacks caused by hereditary angioedema. Am J Health-Syst Pharm. 2011;68:2129-38. 2. Morgan BP. Hereditary angioedema—therapies old and new. N Engl J Med. 2010;363(6): 581-3. 3. Antoniu SA. Therapeutic approached in hereditary angioedema. Clinic Rev Allerg Immunol. 4. Smith J, Minor D. Angioedema: Presentation and Treatment. Mississippi Pharmacist 2011 May 5. Bowen T, Cicardi M, Farkas H, et al. 2010 international consensus algorithm for the diagnosis, therapy and management of hereditary angioedema. Allerg Asthma and Clin Immune. 2010;6:24. 6. CSL Behring, LLC. Berinert® [C1 esterase inhibitor(human)], powder for reconstitution. Kankakee 7. ViroPharma Biologics, Inc. Cinryze® [C1 esterase inhibitor(human)], powder for reconstitution. 8. Dyax Corporation. Kalbitor® [ecallantide], injection for subcutaneous use. Cambridge (MA): Sept 9. Shire Orphan Therapies, Inc. Firazyr® [icatibant] injection for subcutaneous use. Lexington (MA): 10. Zuraw B. HAE therapies: past, present, and future. Allergy Asthma Clin Immunol. 2010, 6:23.
Risk Evaluation and Mitigation Strategies (REMS) - Education Guide

Livia Macedo, Pharm.D., Deborah Minor, Pharm.D., Michael Todaro, Pharm.D., Sharon Dickey,
Pharm.D., Kenneth Butler, PhD

The FDA Amendments Act of 2007 (FDAAA), effective March 25, 2008, implemented the Risk
Evaluation and Mitigation Strategy (REMS), designed to ensure that drug benefits outweigh risks.
The REMS program allows access to potentially serious risk medications, which otherwise may never
have been approved. Approximately 180 medications, including generic and biologic products,
currently fall under REMS review. Providers can play a vital role in REMS through following
guidelines, patient counseling, monitoring efforts, and advocating for changes to improve the
program. REMS requirements differ depending on risk of the drug and may include some or all of the
following elements:
Medication Guides1,2
The FDA may require a Medication Guide under the following circumstances:
 The drug product is one for which patient labeling could help prevent serious adverse effects.  The drug product is one that has serious risks (relative to benefits) about which patients should be made aware because the information concerning the risks could affect the patient’s decision to use, or continue to use, the product.  The drug product is important to health and patient adherence to directions for use is crucial to A Medication Guide should be distributed in each of the following situations: Patient or
Each Time
With First
ETASU with
Outpatient when dispensed to health care professional for administration to patient (e.g. clinic, dialysis, infusion center) (e.g. retail pharmacy, hospital ambulatory A Medication Guide should also be dispensed with every sample. Common medications requiring a
Medication Guide include: pioglitazone (Actos), levofloxacin (Levaquin), varenicline (Chantix),
bupropion (Wellbutrin XL), and oxycodone solution, among others.
Communication Plans1,3
These are FDA-approved tools to support REMS implementation and inform providers about serious
risks of drugs and safety protocols. Information may be disseminated by “Dear Health Care Provider”
letters or through professional organizations. Medications requiring a communication plan include:
liraglutide (Victoza), quinine sulfate, prasugrel (Effient), ticagrelor (Brilinta), and salmeterol (Serevent
Diskus), among others.
Elements to Assure Safe Use (ETASU) 1,3
ETASU may be required to ensure safe access to medications that would otherwise be unavailable
due to serious risks. Elements required may include enrollment in registry programs, focused training
or certification, drug administration in limited settings (e.g. hospitals), documentation of safe use
conditions, or specific patient monitoring. Examples of medications requiring ETASU include:
rosiglitazone (Avandia), epoetin alfa (epogen/Procrit), oxycodone controlled-release tablets
(Oxycontin), dofetilide (Tikosyn), and fentanyl sublingual (Abstral), among others.

References and Additional Information 2. U.S. FDA. Draft guidance for industry: Medication guides- distribution requirements and inclusion in risk evaluation and mitigation strategies (REMS). February 2011. 3. U.S. FDA. Draft guidance for industry: format and content of proposed risk evaluation and mitigation strategies (REMS), REMS assessments, and proposed REMS modifications. September 2009.

: The Latest Non-Nucleoside Reverse Transcriptase Inhibitor for HIV
Lucy Cadwallader
Rilpivirine (Edurant™), the fifth non-nucleoside reverse transcriptase inhibitor (NNRTI), was FDA approved in May 2011. Medications in this unique class bind to the enzyme reverse transcriptase, blocking RNA and DNA-dependent DNA polymerase activities including HIV-1 replication.1 Rilpivirine is indicated in combination with other antiretroviral agents for the management of treatment naïve HIV infected adults. It is available as a single agent and in combination with the nucleoside reverse transcriptase inhibitors (NRTI) emtricitabine and tenofovir as the product Complera™. The Department of Health and Human Services recommends that the initial management of HIV treatment naïve patients consist of two NRTIs and either an NNRTI, a boosted protease inhibitor (PI), or an integrase strand transfer inhibitor (INSTI).1,2 All NNRTIs may cause hepatotoxic reactions, including transaminase elevations, and may cause a rash.1,3 Like several of the NNRTIs, rilpivirine is metabolized by CYP3A4 and is contraindicated with medications that can decrease its concentration due to CYP induction or increased gastric pH: carbamazepine, oxcarbazepine, phenobarbital, phenytoin, rifabutin, rifampin, rifapentine, proton pump inhibitors, systemic dexamethasone, and St. John’s wort. Rilpivirine should be taken with food to increase absorption. The package information warns about the possibility of developing depressive disorders, fat redistribution, and immune reconstitution syndrome when starting therapy.1 In clinical trials, rilpivirine was determined to be noninferior to the commonly used NNRTI efavirenz (Sustiva®). Product labeling warns that in pre-marketing trials, more patients with initial HIV-1 RNA loads > 100,000 copies/mL experienced virologic failure on rilpivirine compared to those with initial HIV-1 RNA loads < 100,000 copies/mL. In addition, the emergence of treatment resistance and cross-resistance to the NNRTI class was greater in the rilpivirine arm versus the efavirenz treatment arm.1 A potential benefit of rilpivirine may be for use in pregnant women. Rilpivirine carries a pregnancy category B safety rating in contrast to efavirenz, which has human fetal risk and is classified as pregnancy category D. All HIV-infected mothers should avoid breastfeeding due to the potential for HIV transmission.1 A brief comparison of the available NNRTIs is included below. Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs):1,2, 4-7
Comments / Warnings / Precautions
Inhibits 2CP and 3A4 (moderate); induces 3A4 (strong) BBW: Severe hepatotoxic reactions (risk > first 6 Do not use with drugs that increase gastric pH *Available in combination. All are available for oral dosing. References: 1. Tibotec Pharmaceuticals America, Inc. Edurant®(rilpivirine) tablets [prescribing information]. Raritan (NJ): Feb 2011. 2. Panel on Antiretroviral Guidelines for Adults and Adolescents. Guidelines for the use of antiretroviral agents in HIV-1-infected adults and adolescents. Department of Health and Human Services. Jan 10, 2011:1-164. Accessed (2011 August 29). Available at: 3. Anderson PL, Kakuda TN, Fletcher CV. Human immunodeficiency virus infection. In: Dipiro JT, Talbert RL, Yee GC, Matzke GR, Wells BG, Posey LM, editors. Pharmacotherapy:a pathophysiological approach. 8th ed. New York: McGraw-Hill Medical; c2011. p. 2065-83. 4. Pfizer Pharmaceuticals. Rescriptor® (delavirdine) tablets [prescribing information]. Research Triangle Park (NC): July 2011. 5. Bristol-Myers Scribb Company. Sustiva® (efavirenz) capsules [prescribing information]. Princeton (NJ): Sept 2011. 6. Tibotec Therapeutics. Intelence® (etravirine) tablets [prescribing information]. Raritan (NJ): Oct 2011. 7. Boehringer Ingelheim Pharmaceuticals, Inc. Viramune® (nevirapine) tablets [prescribing information]. Ridgefield (CT): Nov 2011.


Advances in neurodegenerative disorders: parkinson's disease, , 1999, 400 pages, j. marwah, herman teitelbaum, prominent press, 1999, ebook

Advances in Neurodegenerative Disorders: Parkinson's disease, , J. Marwah, Herman Teitelbaum, ProminentPress, 1999, 0966899709, 9780966899702, 400 pages. . The psychoimmunology of cancer mind and body in the fight for survival?, Claire E. Lewis, C. O'Sullivan,Jennifer Barraclough, 1994, Health & Fitness, 440 pages. Does emotional stress and personality type play animportant role in the onse

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