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Medically reviewed by Oliinyk Elizabeth Ivanovna, PharmD. Last updated on 15.05.2022
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Neway 5 is indicated for treatment of idiopathic (‘primary’) pulmonary arterial hypertension (IPAH) and pulmonary arterial hypertension (PAH) associated with connective tissue disease in patients with WHO functional class II or III symptoms. In the United States of America, Neway 5 is also indicated in combination with tadalafil to reduce the risks of disease progression and hospitalization for worsening PAH, and to improve exercise ability. (WHO Group 1 Pulmonary arterial hypertension;)
Neway 5 prevents thickening of the blood vessels, especially those in the lungs and heart. Neway 5 also lowers blood pressure in your lungs, helping your heart pump blood more efficiently.
Neway 5 is used to treat pulmonary arterial hypertension (PAH). It improves your ability to exercise and prevents your condition from getting worse.
Neway 5 is available only under a special program called LEAP (Neway 5 Education and Access Program). You must be registered in the program and sign agreements to use birth control and undergo pregnancy and blood testing as required by the program. Read all program brochures and agreements carefully.
Neway 5 may also be used for purposes not listed in this medication guide.
Adult Dosage
Initiate treatment at 5 mg once daily, with or without tadalafil 20 mg once daily. At 4-week intervals, either the dose of Neway 5 or tadalafil can be increased, as needed and tolerated, to Neway 5 10 mg or tadalafil 40 mg.
Do not split, crush, or chew tablets.
Pregnancy Testing In Females Of Reproductive Potential
Initiate treatment with Neway 5 in females of reproductive potential only after a negative pregnancy test. Obtain monthly pregnancy tests during treatment.
How supplied
Dosage Forms And Strengths
5 mg and 10 mg film-coated tablets for oral administration
- Each 5 mg tablet is square convex, pale pink, with “5” on one side and “GSI” on the other side.
- Each 10 mg tablet is oval convex, deep pink, with “10” on one side and “GSI” on the other side.
Storage And Handling
Neway 5 film-coated tablets are supplied as follows:
Tablet Strength | Package Configuration | NDC No. | Description of Tablet; Debossed on Tablet; Size |
5 mg | 30 count blister | 61958-0801-2 | Square convex; pale pink; “5” on side 1 and “GSI” on side 2; 6.6 mm Square |
30 count bottle | 61958-0801-1 | ||
10 count blister | 61958-0801-3 | ||
10 count bottle | 61958-0801-5 | ||
10 mg | 30 count blister | 61958-0802-2 | Oval convex; deep pink; “10” on side 1 and “GSI” on side 2; 9.8 mm x 4.9 mm Oval |
30 count bottle | 61958-0802-1 | ||
10 count blister | 61958-0802-3 | ||
10 count bottle | 61958-0802-5 |
Store at 25° C (77° F); excursions permitted to 15–30° C (59–86° F). Store Neway 5 in its original packaging.
Gilead Sciences, Inc., Foster City, CA 94404. Revised: October 2015
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What is the most important information I should know about Neway 5?
Neway 5 can harm an unborn baby or cause birth defects. Do not use if you are pregnant.
If you are a woman of child-bearing potential, you will need to have a negative pregnancy test before you start treatment with Neway 5. You will also be re-tested each month during your treatment.
You will be required to use two forms of birth control to prevent pregnancy during your treatment, and for at least 1 month after your treatment ends. If you have had a tubal ligation or are using a copper IUD, you will not need to use a second form of birth control.
Do not stop taking Neway 5 without first talking to your doctor. You may need to use less and less before you stop the medication completely.
Neway 5 is available only under a special program called LEAP (Neway 5 Education and Access Program). You must be registered in the program and sign agreements to use birth control and undergo pregnancy and blood testing as required by the program. Read all program brochures and agreements carefully.
Use Neway 5 as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Neway 5 comes with an extra patient information sheet called a Medication Guide. Read it carefully. Read it again each time you get Neway 5 refilled.
- Take Neway 5 by mouth with or without food.
- Swallow Neway 5 whole. Do not break, split, crush, or chew before swallowing.
- Take Neway 5 on a regular schedule to get the most benefit from it. Taking Neway 5 at the same times each day will help you to remember to take it.
- Continue to take Neway 5 even if you feel well. Do not miss any doses.
- If you miss a dose of Neway 5, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Neway 5.
There are specific as well as general uses of a drug or medicine. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. It can also be used to treat the particular symptom of the disease. The drug use depends on the form the patient takes it. It may be more useful in injection form or sometimes in tablet form. The drug can be used for a single troubling symptom or a life-threatening condition. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it.Neway 5 is used for the treatment of pulmonary arterial hypertension, a condition in which blood pressure rises due to narrowing of the arteries supplying blood from the heart to the lungs.
See also:
What other drugs will affect Neway 5?
Multiple dose coadministration of Neway 5 and cyclosporine resulted in an approximately 2-fold increase in Neway 5 exposure in healthy volunteers; therefore, limit the dose of Neway 5 to 5 mg once daily when coadministered with cyclosporine.
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What are the possible side effects of Neway 5?
Clinically significant adverse reactions that appear in other sections of the labeling include:
- Embryo-fetal Toxicity
- Fluid Retention
- Pulmonary Edema with PVOD
- Decreased Sperm Count
- Hematologic Changes
Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Safety data for Neway 5 are presented from two 12-week, placebo-controlled studies (ARIES-1 and ARIES-2) in patients with pulmonary arterial hypertension (PAH), and one randomized, double-blind, active-controlled trial in 605 patients with PAH (AMBITION) comparing Neway 5 plus tadalafil to Neway 5 or tadalafil alone. The exposure to Neway 5 in these studies ranged from 1 day to 4 years (N=357 for at least 6 months and N=279 for at least 1 year).
In ARIES-1 and ARIES-2, a total of 261 patients received Neway 5 at doses of 2.5, 5, or 10 mg once daily and 132 patients received placebo. The adverse reactions that occurred in > 3% more patients receiving Neway 5 than receiving placebo are shown in Table 1.
Table 1 : Adverse Reactions with Placebo-Adjusted Rates > 3% in ARIES-1 and ARIES-2
Adverse Reaction | Placebo (N=132) | Neway 5 (N=261) | |
n (%) | n (%) | Placebo-adjusted (%) | |
Peripheral edema | 14 (11) | 45 (17) | 6 |
Nasal congestion | 2 (2) | 15 (6) | 4 |
Sinusitis | 0 (0) | 8 (3) | 3 |
Flushing | 1 (1) | 10 (4) | 3 |
Most adverse drug reactions were mild to moderate and only nasal congestion was dose-dependent.
Few notable differences in the incidence of adverse reactions were observed for patients by age or sex. Peripheral edema was similar in younger patients ( < 65 years) receiving Neway 5 (14%; 29/205) or placebo (13%; 13/104), and was greater in elderly patients ( ≥ 65 years) receiving Neway 5 (29%; 16/56) compared to placebo (4%; 1/28). The results of such subgroup analyses must be interpreted cautiously.
The incidence of treatment discontinuations due to adverse events other than those related to PAH during the clinical trials in patients with PAH was similar for Neway 5 (2%; 5/261 patients) and placebo (2%; 3/132 patients). The incidence of patients with serious adverse events other than those related to PAH during the clinical trials in patients with PAH was similar for placebo (7%; 9/132 patients) and for Neway 5 (5%; 13/261 patients).
During 12-week controlled clinical trials, the incidence of aminotransferase elevations > 3 x upper limit of normal (ULN) were 0% on Neway 5 and 2.3% on placebo. In practice, cases of hepatic injury should be carefully evaluated for cause.
Combination Use with Tadalafil
The mean exposure to Neway 5 + tadalafil in the AMBITION study was 78.7 weeks. The adverse reactions that occurred in > 5% more patients receiving Neway 5 + tadalafil than receiving Neway 5 or tadalafil monotherapy in AMBITION are shown in Table 2.
Table 2 : Adverse Reactions Reported More Commonly ( > 5%) on Neway 5 + Tadalafil thanon Neway 5 or Tadalafil Monotherapy (ITT) in AMBITION
Adverse Reactions | Neway 5 + Tadalafil Combination Therapy (N=302) n (%) | Neway 5 Monotherapy (N=152) n (%) | Tadalafil Monotherapy (N=151) n (%) |
Peripheral edema | 135 (45%) | 58 (38%) | 43 (28%) |
Headache | 125 (41%) | 51 (34%) | 53 (35%) |
Nasal congestion | 58 (19%) | 25 (16%) | 17 (11%) |
Cough | 53 (18%) | 20 (13%) | 24 (16%) |
Anemia | 44 (15%) | 11 (7%) | 17 (11%) |
Dyspepsia | 32 (11%) | 5 (3%) | 18 (12%) |
Bronchitis | 31 (10%) | 6 (4%) | 13 (9%) |
Peripheral edema was more frequent on combination therapy; however, there was no notable difference observed in the incidence of peripheral edema in elderly patients ( ≥ 65 years) versus younger patients ( < 65 years) on combination therapy (44% vs. 45%) or Neway 5 monotherapy (37% vs. 39%) in AMBITION.
Treatment discontinuations due to adverse events while on randomized treatment were similar across treatment groups: 16% for Neway 5 + tadalafil, 14% for Neway 5 alone, and 13% for tadalafil alone.
Use in Patients with Prior Endothelin Receptor Antagonist (ERA) Related Serum Liver Enzyme Abnormalities
In an uncontrolled, open-label study, 36 patients who had previously discontinued endothelin receptor antagonists (ERAs: bosentan, an investigational drug, or both) due to aminotransferase elevations > 3 x ULN were treated with Neway 5. Prior elevations were predominantly moderate, with 64% of the ALT elevations < 5 x ULN, but 9 patients had elevations > 8 x ULN. Eight patients had been re-challenged with bosentan and/or the investigational ERA and all eight had a recurrence of aminotransferase abnormalities that required discontinuation of ERA therapy. All patients had to have normal aminotransferase levels on entry to this study. Twenty-five of the 36 patients were also receiving prostanoid and/or phosphodiesterase type 5 (PDE5) inhibitor therapy. Two patients discontinued early (including one of the patients with a prior 8 x ULN elevation). Of the remaining 34 patients, one patient experienced a mild aminotransferase elevation at 12 weeks on Neway 5 5 mg that resolved with decreasing the dosage to 2.5 mg, and that did not recur with later escalations to 10 mg. With a median follow-up of 13 months and with 50% of patients increasing the dose of Neway 5 to 10 mg, no patients were discontinued for aminotransferase elevations. While the uncontrolled study design does not provide information about what would have occurred with re-administration of previously used ERAs or show that Neway 5 led to fewer aminotransferase elevations than would have been seen with those drugs, the study indicates that Neway 5 may be tried in patients who have experienced asymptomatic aminotransferase elevations on other ERAs after aminotransferase levels have returned to normal.
Postmarketing Experience
The following adverse reactions were identified during post-approval use of Neway 5. Because these reactions were reported voluntarily from a population of uncertain size, it is not possible to estimate reliably the frequency or to establish a causal relationship to drug exposure: anemia requiring transfusion heart failure (associated with fluid retention), symptomatic hypotension, and hypersensitivity (e.g., angioedema, rash).
Elevations of liver aminotransferases (ALT, AST) have been reported with Neway 5 use; in most cases alternative causes of the liver injury could be identified (heart failure, hepatic congestion, hepatitis, alcohol use, hepatotoxic medications). Other endothelin receptor antagonists have been associated with elevations of aminotransferases, hepatotoxicity, and cases of liver failure.
Neway 5 is an orally active selective type A endothelin receptor antagonist indicated for the treatment of pulmonary arterial hypertension. It is approved in Europe, Canada and the United States for use as a single agent to improve exercise ability and delay clinical worsening. In addition, it is approved in the United States for use in combination with tadalafil to reduce the risks of disease progression, hospitalization and to improve exercise ability. Studies establishing the efficacy of Neway 5 included patients with both idiopathic or heritable pulmonary arterial hypertension and those with pulmonary arterial hypertension associated with connective tissue diseases. Patients studied displayed symptoms and etiologies predominantly of WHO Functional Class II-III. As an endothelin receptor antagonist, Neway 5 prevents endogenous endothelin peptide from constricting the muscles in blood vessels, allowing them to relax and permit a reduction in blood pressure.
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