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Drug Safety-related Labeling Changes (SrLC)

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AMTURNIDE (NDA-200045)

(ALISKIREN HEMIFUMARATE; AMLODIPINE BESYLATE; HYDROCHLOROTHIAZIDE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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11/04/2016 (SUPPL-20)

Approved Drug Label (PDF)

5 Warnings and Precautions

5.1 Fetal Toxicity

Aliskiren (addition of subheading)

Use of drugs that act …    

Hydrochlorothiazide (addition of subheading)

Thiazides cross the placenta …

6 Adverse Reactions

6.2 Postmarketing Experience

Aliskiren: Hypersensitivity:hyponatremia (addition underlined)

8 Use in Specific Populations

8.1 Pregnancy

(PLLR conversion)

Risk Summary

Amturnide can cause fetal harm when administered to a pregnant woman. Use of drugs that act on the renin­ angiotensin system during the second and third trimesters of pregnancy reduces fetal renal function and increases fetal and neonatal morbidity and death [see Clinical Considerations]. Most epidemiologic studies examining fetal abnormalities after exposure to antihypertensive use in the first trimester have not distinguished drugs affecting the renin-angiotensin system from other antihypertensive agents. When pregnancy is detected discontinue Amturnide as soon as possible.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 24% and 15-20%, respectively.

Clinical Considerations

Disease-associated maternal and/or embryo/fetal risk

Hypertension in pregnancy increases the maternal risk for pre-eclampsia, gestational diabetes, premature delivery, and delivery complications (e.g., need for cesarean section, and post-partum hemorrhage). Hypertension increases the fetal risk for intrauterine growth restriction and intrauterine death. Pregnant women with hypertension should be carefully monitored and managed accordingly.

Fetal/Neonatal adverse reactions

Aliskiren

Use of drugs that act on the renin-angiotensin system in the second and third trimesters of pregnancy can result in the following: reduced fetal renal function leading to anuria and renal failure, oligohydramnios, fetal lung hypoplasia and skeletal deformations, including skull hypoplasia, hypotension, and death.  In the unusual case that there is no appropriate alternative to therapy …

In patients taking Amturnide during pregnancy, perform serial ultrasound examinations to assess the intra-amniotic environment. Fetal testing may be appropriate, based on the week of gestation. Patients and physicians should be aware, however, that oligohydramnios may not appear until after the fetus has sustained irreversible injury. Closely observe infants with histories of in utero exposure to Amturnide for hypotension, oliguria, and hyperkalemia. If oliguria or hypotension occur in neonates with a history of in utero exposure to Amturnide, support blood pressure and renal perfusion. Exchange transfusions or dialysis may be required as a means of reversing hypotension and substituting for disordered renal function.

Hydrochlorothiazide

Thiazides cross the placenta, and use of thiazides during pregnancy is associated with a risk of fetal or neonatal jaundice, thrombocytopenia, and possible other adverse reactions that have occurred in adults.

Data

Animal Data

No reproductive toxicity studies …

Amlodipine

No evidence of teratogenicity or embryo/fetal toxicity was found when pregnant rats and rabbits were treated orally with amlodipine maleate at doses up to 10 mg amlodipine/kg/day (approximately 10 and 20 times the MRHD based on body surface area, respectively) during their respective periods of major organogenesis. However for rats, litter size was significantly decreased (by about 50%) and the number of intrauterine deaths was significantly increased (about 5-fold). Amlodipine has been shown to prolong both the gestation period and the duration of labor in rats at this dose.

HCTZ

…The use of HCTZ for other indications (e.g., heart disease) in pregnancy should be avoided. These animal studies were conducted according to the standards of the time.

 

8.2 Lactation

(PLLR conversion)

Risk Summary

There is no information regarding the presence of Amturnide or aliskiren in human milk, the effects on the breastfed infant, or the effects on milk production.   Limited published studies report that amlodipine and hydrochlorothiazide are present in human milk. However, there is insufficient information to determine the effects of amlodipine and hydrochlorothiazide on the breastfed infant and the effects of hydrochlorothiazide on milk production. There is no available information on the effects of amlodipine on milk production. Because of the potential for serious adverse reactions, including hypotension, electrolyte imbalances and renal impairment, in nursing infants, advise a nursing woman that breastfeeding is not recommended during treatment with Amturnide.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

Patient Counseling Information

Lactation (Addition)

Advise nursing women that breastfeeding is not recommended during treatment with Amturnide.

Patient Information

Amturnide™ (AM-turn-ide) (aliskiren, amlodipine and hydrochlorothiazide) Tablets

What are the possible side effects of Amturnide?

Less common side effects include rash, severe skin reactions (signs may include severe blistering of the lips, eyes or mouth, rash with fever and skin peeling), liver disorder (signs may include nausea, loss of appetite, dark colored urine or yellowing of skin and eyes), stomach pain, nausea, flushing (hot or warm feeling in your face), arrhythmia (irregular heartbeat), heart palpitations (very fast heartbeat) and low level of sodium in blood. (Addition underlined)