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Last Updated: March 24, 2025

CLINICAL TRIALS PROFILE FOR PROCARDIA XL


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All Clinical Trials for Procardia Xl

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00000102 ↗ Congenital Adrenal Hyperplasia: Calcium Channels as Therapeutic Targets Completed National Center for Research Resources (NCRR) Phase 1/Phase 2 1969-12-31 This study will test the ability of extended release nifedipine (Procardia XL), a blood pressure medication, to permit a decrease in the dose of glucocorticoid medication children take to treat congenital adrenal hyperplasia (CAH).
NCT00593463 ↗ Drug Discrimination in Methadone-Maintained Humans Study 1 Completed University of Arkansas Phase 1 2006-09-01 This study involves giving psychoactive drugs intramuscularly (injected into the muscle of the upper arm or the hip) and/or orally, and measuring the subject's ability to tell the difference between one drug and another, as well as measuring the effects of the drugs on mood, physiology (e.g., heart rate, blood pressure, respiration rate) and behavior. Each subject will receive 2-4 of the listed interventions.
NCT01348880 ↗ Vardenafil ODT (Orally Disintegrating Tablet) - Nifedipine Interaction Study Completed GlaxoSmithKline Phase 1 2011-05-01 The study will be conducted as a multi-center, randomized, double-blinded, placebo controlled, crossover design. The investigational drug (vardenafil ODT (Orally Disintegrating Tablet)/placebo) will be given as a single administration at a dose of 10 mg vardenafil ODT during Period 1 or 2; the blinded matching placebo will be given as a single administration during the opposing period. The random code will determine the order of active drug (vardenafil ODT) and placebo for each subject. Blood pressure and heart rate profiles will be recorded by automated device pre-dose for 8 hours post-dose during Periods 1 and 2. The non investigational drug product (vasodilator), Procardia XL, will be background treatment for hypertension, taken daily by each subject. All subjects must be stable on the vasodilator for at least 4 weeks prior to Day 1 of Period 1. Special conditions for this study include the requirement that all subjects will be male, are between the ages of 65 and 80 years, and will have a diagnosis of erectile dysfunction (ED), as well as hypertension. Planned sample size will be 40 subjects evaluable for the primary analysis. Of the 40 subjects valid for this analysis, 20 will be between the ages of 65 and 69 years, and 20 subjects will be between the ages of 70 and 80 years. The total duration of the study will be approximately one year from first subject treated to last subject treated, including replacement of any subjects who fail to complete both periods of crossover dosing.
NCT01348880 ↗ Vardenafil ODT (Orally Disintegrating Tablet) - Nifedipine Interaction Study Completed Merck Sharp & Dohme Corp. Phase 1 2011-05-01 The study will be conducted as a multi-center, randomized, double-blinded, placebo controlled, crossover design. The investigational drug (vardenafil ODT (Orally Disintegrating Tablet)/placebo) will be given as a single administration at a dose of 10 mg vardenafil ODT during Period 1 or 2; the blinded matching placebo will be given as a single administration during the opposing period. The random code will determine the order of active drug (vardenafil ODT) and placebo for each subject. Blood pressure and heart rate profiles will be recorded by automated device pre-dose for 8 hours post-dose during Periods 1 and 2. The non investigational drug product (vasodilator), Procardia XL, will be background treatment for hypertension, taken daily by each subject. All subjects must be stable on the vasodilator for at least 4 weeks prior to Day 1 of Period 1. Special conditions for this study include the requirement that all subjects will be male, are between the ages of 65 and 80 years, and will have a diagnosis of erectile dysfunction (ED), as well as hypertension. Planned sample size will be 40 subjects evaluable for the primary analysis. Of the 40 subjects valid for this analysis, 20 will be between the ages of 65 and 69 years, and 20 subjects will be between the ages of 70 and 80 years. The total duration of the study will be approximately one year from first subject treated to last subject treated, including replacement of any subjects who fail to complete both periods of crossover dosing.
NCT01348880 ↗ Vardenafil ODT (Orally Disintegrating Tablet) - Nifedipine Interaction Study Completed Bayer Phase 1 2011-05-01 The study will be conducted as a multi-center, randomized, double-blinded, placebo controlled, crossover design. The investigational drug (vardenafil ODT (Orally Disintegrating Tablet)/placebo) will be given as a single administration at a dose of 10 mg vardenafil ODT during Period 1 or 2; the blinded matching placebo will be given as a single administration during the opposing period. The random code will determine the order of active drug (vardenafil ODT) and placebo for each subject. Blood pressure and heart rate profiles will be recorded by automated device pre-dose for 8 hours post-dose during Periods 1 and 2. The non investigational drug product (vasodilator), Procardia XL, will be background treatment for hypertension, taken daily by each subject. All subjects must be stable on the vasodilator for at least 4 weeks prior to Day 1 of Period 1. Special conditions for this study include the requirement that all subjects will be male, are between the ages of 65 and 80 years, and will have a diagnosis of erectile dysfunction (ED), as well as hypertension. Planned sample size will be 40 subjects evaluable for the primary analysis. Of the 40 subjects valid for this analysis, 20 will be between the ages of 65 and 69 years, and 20 subjects will be between the ages of 70 and 80 years. The total duration of the study will be approximately one year from first subject treated to last subject treated, including replacement of any subjects who fail to complete both periods of crossover dosing.
NCT02438371 ↗ Nifedipine or Nifedipine Plus Indomethacin for Treatment of Acute Preterm Labor Terminated The University of Texas Health Science Center, Houston Phase 4 2015-05-01 Tocolytic agents are used for the treatment of preterm labor. It is unclear whether combination treatments of two tocolytic agents are more effective in stopping preterm labor compared to one. Therefore, the investigators propose a comparative effective trial of nifedipine plus indomethacin vs. nifedipine alone for the treatment of preterm labor
NCT02933593 ↗ Changes in Central Arterial Pressure When Comparing ACOG Hypertensive Urgency Protocols Withdrawn St. Louis University N/A 2016-08-01 The investigators plan to monitor the central blood pressure in women with severely elevated blood pressures (160/110) in pregnancy in the acute setting. Currently ACOG recommends 3 different options for blood pressure control, however no one has studied how these medications affect the central pressures, only peripheral blood pressure.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Procardia Xl

Condition Name

Condition Name for Procardia Xl
Intervention Trials
Preeclampsia 3
Hypertension in Pregnancy 2
Obesity, Morbid 1
Obstetric Labor, Premature 1
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Condition MeSH

Condition MeSH for Procardia Xl
Intervention Trials
Pre-Eclampsia 4
Hypertension 2
Obstetric Labor, Premature 2
Hypertension, Pregnancy-Induced 2
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Clinical Trial Locations for Procardia Xl

Trials by Country

Trials by Country for Procardia Xl
Location Trials
United States 11
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Trials by US State

Trials by US State for Procardia Xl
Location Trials
Tennessee 3
Wisconsin 1
New York 1
California 1
Missouri 1
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Clinical Trial Progress for Procardia Xl

Clinical Trial Phase

Clinical Trial Phase for Procardia Xl
Clinical Trial Phase Trials
Phase 4 2
Phase 1/Phase 2 1
Phase 1 3
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Clinical Trial Status

Clinical Trial Status for Procardia Xl
Clinical Trial Phase Trials
Completed 5
Withdrawn 2
Terminated 2
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Clinical Trial Sponsors for Procardia Xl

Sponsor Name

Sponsor Name for Procardia Xl
Sponsor Trials
St. Louis University 1
Icahn School of Medicine at Mount Sinai 1
BioPharma Services, Inc 1
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Sponsor Type

Sponsor Type for Procardia Xl
Sponsor Trials
Other 14
Industry 3
U.S. Fed 1
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Procardia XL: Clinical Trials, Market Analysis, and Projections

Introduction

Procardia XL, a sustained-release formulation of nifedipine, is widely used for the treatment of hypertension. This article delves into the current clinical trials, market analysis, and future projections for Procardia XL, providing a comprehensive overview of its significance in the pharmaceutical industry.

Clinical Trials: Investigating Dosage Efficacy

Pilot Study on Dosage Regimens

A recent pilot study aims to compare the efficacy of two different dosage regimens of Procardia XL: a 60 mg once-daily dose versus a 30 mg twice-daily dose. The primary objective is to determine the mean plasma levels and standard deviations of nifedipine at 24 hours after administration of these doses. This study is crucial for designing a larger randomized controlled trial to assess whether the once-daily dose is equivalent to the twice-daily dose in terms of plasma levels and blood pressure control[1][4].

Blood Pressure Control and Side Effects

The study also evaluates the effective control of blood pressure throughout the day, with measurements taken at 0, 4, 8, 12, 16, 20, and 24 hours. The secondary outcomes include the frequency of side effects such as peripheral edema, which are commonly associated with nifedipine. Patient-reported side effects and blood pressure levels are documented to provide a comprehensive understanding of the drug's efficacy and safety profile[1][4].

Patient Demographics and Clinical Characteristics

The study includes pregnant patients and those up to 6 weeks postpartum, aged between 18 and 55. The demographics and clinical characteristics of the patients are reported to ensure the study's findings are applicable to the target population. Exclusion criteria include patients receiving other antihypertensive medications, ensuring that the results are not confounded by other treatments[1].

Market Analysis: Current Trends and Players

Market Size and Growth

The nifedipine medication market, which includes Procardia XL, was valued at US$ 1,049.6 million in 2022 and is projected to reach US$ 1,967.2 million by 2030, growing at a CAGR of 9.4%. This significant growth indicates a strong demand for antihypertensive medications, driven by increasing prevalence of hypertension and the need for effective management strategies[2].

Key Market Players

The market is dominated by several major pharmaceutical companies, including Pfizer Inc., Novartis AG, Merck & Co., Inc., AstraZeneca PLC, and Teva Pharmaceutical Industries Ltd. These companies play a crucial role in the development, manufacturing, and distribution of nifedipine products like Procardia XL[2].

Pharmacokinetics and Drug Delivery System

Mechanism of Action

Procardia XL uses an osmotically active drug core surrounded by a semipermeable membrane to deliver nifedipine at a controlled rate over 24 hours. This mechanism ensures that the drug is released gradually, independent of gastrointestinal pH or motility, providing stable plasma concentrations with minimal fluctuations[5].

Bioavailability and Pharmacokinetics

The bioavailability of Procardia XL is 86% relative to immediate-release nifedipine capsules. The pharmacokinetics are linear over the dose range of 30 to 180 mg, with no evidence of dose dumping. This consistency in drug delivery is a key advantage of Procardia XL, ensuring reliable blood pressure control[5].

Comparative Studies: Procardia XL vs. Adalat CC

Relative Potency and Blood Pressure Control

A study comparing Procardia XL with Adalat CC, another sustained-release nifedipine product, aims to evaluate their relative potency, 24-hour automated ambulatory blood pressure control, and adverse event profiles. The study uses a crossover design, where patients are randomized to either Procardia XL or Adalat CC for six weeks after a placebo period. This comparison is essential for clinicians to make informed decisions about which formulation to prescribe[3].

Market Projections and Growth Drivers

Increasing Prevalence of Hypertension

The growing prevalence of hypertension globally is a significant driver of the nifedipine market. As the population ages and lifestyle factors contribute to higher blood pressure, the demand for effective antihypertensive medications like Procardia XL is expected to increase[2].

Cost and Accessibility

The cost-effectiveness of generic versions of nifedipine, such as Adalat CC, may influence market dynamics. However, the proven efficacy and safety profile of Procardia XL, along with its controlled-release mechanism, are likely to maintain its market position[3].

Key Takeaways

  • Clinical Trials: Ongoing studies are comparing the efficacy of once-daily versus twice-daily dosing regimens of Procardia XL to ensure optimal blood pressure control and minimize side effects.
  • Market Analysis: The nifedipine market is projected to grow significantly, driven by the increasing prevalence of hypertension and the need for effective management.
  • Pharmacokinetics: Procardia XL's controlled-release mechanism ensures stable plasma concentrations and reliable blood pressure control.
  • Comparative Studies: Studies comparing Procardia XL with other sustained-release formulations like Adalat CC help in understanding their relative efficacy and safety profiles.

FAQs

What is the primary objective of the current pilot study on Procardia XL?

The primary objective is to determine the mean plasma levels and standard deviations of nifedipine at 24 hours after administration of 60 mg once-daily versus 30 mg twice-daily doses.

How does Procardia XL deliver nifedipine?

Procardia XL uses an osmotically active drug core surrounded by a semipermeable membrane to deliver nifedipine at a controlled rate over 24 hours.

What is the projected market size of the nifedipine medication market by 2030?

The nifedipine medication market is projected to reach US$ 1,967.2 million by 2030.

Which companies are major players in the nifedipine market?

Major players include Pfizer Inc., Novartis AG, Merck & Co., Inc., AstraZeneca PLC, and Teva Pharmaceutical Industries Ltd.

What are the key growth drivers for the nifedipine market?

The key growth drivers include the increasing prevalence of hypertension and the need for effective antihypertensive medications.

Sources

  1. ClinicalTrials.gov: Is Procardia XL 60 mg Q Daily Equivalent to 30 mg XL Given Twice Daily?
  2. Coherent Market Insights: Nifedipine Medication Market - Price, Size, Share & Growth
  3. Oxford Academic: Procardia XL, Adalat CC, 24-hour Automated Blood Pressure...
  4. Veeva Systems: Is Procardia XL 60 mg Q Daily Equivalent to 30 mg XL Given Twice Daily?
  5. Pfizer Labeling: PROCARDIA XL (nifedipine) Extended Release Tablets For Oral Use

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