Paxil Cr

Premature Ejaculation, Panic Disorder, Social Anxiety Disorder + 7 more

Treatment

3 FDA approvals

20 Active Studies for Paxil Cr

What is Paxil Cr

Paroxetine

The Generic name of this drug

Treatment Summary

Paroxetine, sold under the brand name Paxil, is a medication used to treat anxiety, depression, post-traumatic stress disorder, and symptoms of menopause. It is a type of selective serotonin reuptake inhibitor (SSRI), meaning it specifically affects serotonin levels in the brain. Paroxetine is usually well tolerated but can cause withdrawal symptoms when stopped. To reduce nausea, there is a controlled release formula of the drug available.

Paxil

is the brand name

image of different drug pills on a surface

Paxil Cr Overview & Background

Brand Name

Generic Name

First FDA Approval

How many FDA approvals?

Paxil

Paroxetine

1993

429

Approved as Treatment by the FDA

Paroxetine, also known as Paxil, is approved by the FDA for 3 uses which include Vasomotor Symptoms Associated With Menopause and Hot Flashes .

Vasomotor Symptoms Associated With Menopause

Helps manage Vasomotor Symptoms Associated With Menopause

Hot Flashes

Helps manage Vasomotor Symptoms Associated With Menopause

Hot flashes

Helps manage Menopause

Effectiveness

How Paxil Cr Affects Patients

Paroxetine is used to treat depression, anxiety, post-traumatic stress disorder, obsessive-compulsive disorder, and menopause symptoms by preventing the reabsorption of serotonin. It usually takes about 6 weeks for the effects to be felt. Taking it with other drugs that affect serotonin levels, like MAO inhibitors, can cause dangerous side effects. It is important to wait 2 weeks after discontinuing any MAO inhibitor before taking paroxetine.

How Paxil Cr works in the body

Paroxetine helps regulate serotonin levels in the body. It does this by blocking the serotonin (SERT) receptor from taking serotonin away from the synapse. This raises serotonin levels, which can relieve symptoms. Paroxetine has been proven to be more effective at blocking serotonin reuptake than other drugs in its class. The exact way Paroxetine treats menopausal symptoms is still unknown, but it may be related to how it affects temperature regulation. Paroxetine also has a mild effect on certain receptors in the body, including adrenergic, dopamine, histamine, and serotonin receptors. Its delayed effects may be

When to interrupt dosage

The suggested dosage of Paxil Cr is contingent upon the recognized situation, like Post Traumatic Stress Disorder, Depression and Irritable Bowel Syndrome (IBS). The measure of dosage may differ, depending on the approach of delivery (e.g. Oral or Capsule - Oral) noted in the table beneath.

Condition

Dosage

Administration

Generalized Anxiety Disorder

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Irritable Bowel Syndrome

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Depression

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Hot Flashes

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Premature Ejaculation

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Panic Disorder

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Social Anxiety Disorder

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Obsessive-Compulsive Disorder

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Hot flashes

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Post Traumatic Stress Disorder

, 10.0 mg, 20.0 mg, 30.0 mg, 40.0 mg, 12.5 mg, 25.0 mg, 37.5 mg, 7.5 mg, 10.0 mg/mL, 2.0 mg/mL

, Oral, Tablet, film coated - Oral, Tablet, film coated, Tablet, film coated, extended release, Tablet, film coated, extended release - Oral, Tablet, Tablet - Oral, Capsule, Capsule - Oral, Suspension, Suspension - Oral, Tablet, extended release - Oral, Tablet, extended release

Warnings

Paxil Cr has five contraindications, and thus should not be engaged when one is faced with the conditions in the subsequent table.

Paxil Cr Contraindications

Condition

Risk Level

Notes

Pulse Frequency

Do Not Combine

Pulse Frequency

Do Not Combine

Serotonin Syndrome

Do Not Combine

Pulse Frequency

Do Not Combine

Severe Hypersensitivity Reactions

Do Not Combine

Paroxetine may interact with Pulse Frequency

There are 20 known major drug interactions with Paxil Cr.

Common Paxil Cr Drug Interactions

Drug Name

Risk Level

Description

4-Methoxyamphetamine

Major

The metabolism of 4-Methoxyamphetamine can be decreased when combined with Paroxetine.

5-methoxy-N,N-dimethyltryptamine

Major

The metabolism of 5-methoxy-N,N-dimethyltryptamine can be decreased when combined with Paroxetine.

Acebutolol

Major

The metabolism of Acebutolol can be decreased when combined with Paroxetine.

Acetaminophen

Major

The metabolism of Acetaminophen can be decreased when combined with Paroxetine.

Aclidinium

Major

The risk or severity of adverse effects can be increased when Paroxetine is combined with Aclidinium.

Paxil Cr Toxicity & Overdose Risk

The most toxic dose of paroxetine for mice and rats is 350 mg/kg. The lowest reported fatal dose of paroxetine is 400 mg; the highest reported dose of paroxetine that someone has survived is 2000 mg. Symptoms of paroxetine overdose can include tiredness, fever, high blood pressure, fast heartbeat, nausea, vomiting, drowsiness, trembling, confusion, anxiety, headache, sweating, dilated pupils, seizures, tingling sensations, serotonin syndrome, muscle contraction, and changes in mental status. There is no known antidote for paroxetine overdose.

image of a doctor in a lab doing drug, clinical research

Paxil Cr Novel Uses: Which Conditions Have a Clinical Trial Featuring Paxil Cr?

539 active trials are currently being conducted to examine the utility of Paxil CR in Post Traumatic Stress Disorder, Premature Ejaculation and Menopausal symptoms.

Condition

Clinical Trials

Trial Phases

Social Anxiety Disorder

16 Actively Recruiting

Not Applicable

Depression

215 Actively Recruiting

Phase 3, Phase 2, Not Applicable, Phase 4, Phase 1, Early Phase 1

Obsessive-Compulsive Disorder

66 Actively Recruiting

Not Applicable, Phase 2, Phase 3, Phase 1, Early Phase 1

Generalized Anxiety Disorder

7 Actively Recruiting

Not Applicable, Phase 2, Phase 3

Post Traumatic Stress Disorder

242 Actively Recruiting

Not Applicable, Early Phase 1, Phase 3, Phase 4, Phase 2, Phase 1

Panic Disorder

14 Actively Recruiting

Not Applicable

Irritable Bowel Syndrome

6 Actively Recruiting

Not Applicable, Phase 4, Phase 2, Early Phase 1

Hot Flashes

4 Actively Recruiting

Not Applicable, Phase 2, Phase 1

Premature Ejaculation

0 Actively Recruiting

Hot flashes

19 Actively Recruiting

Not Applicable, Phase 4, Phase 2, Early Phase 1, Phase 3

Paxil Cr Reviews: What are patients saying about Paxil Cr?

5

Patient Review

11/13/2014

Paxil Cr for Major Depressive Disorder

Paxil has been a game-changer for me. I've suffered from depression since childhood, and this medication has helped alleviate many of the symptoms. I'm so grateful to have found something that helps me feel more like myself.

5

Patient Review

7/19/2015

Paxil Cr for Repeated Episodes of Anxiety

Paxil has been a life-saver for me. It's helped me manage my anxiety for 15 years without any negative side effects. I'm able to live a joyful and positive life thanks to this medication!

5

Patient Review

4/7/2015

Paxil Cr for Panic Disorder

Paxil has been a game-changer for me. I haven't had a panic attack in 20 years, and even just forgetting to take it on vacation for 3 days brought the attacks back.

5

Patient Review

9/23/2014

Paxil Cr for Panic Disorder

Paxil is an excellent drug for those suffering from OCD or panic disorder. I experienced very few side effects, and they were all manageable.

4.3

Patient Review

6/15/2016

Paxil Cr for Repeated Episodes of Anxiety

I come from a family with a history of anxiety, so my FNP put me on Paxil CR about 10 years ago. Over time, the dosage increased as needed. I was really struggling to function without the medication; however, it has helped me immensely and allowed me to enjoy life much more.

3.3

Patient Review

10/14/2018

Paxil Cr for Extreme Apprehension or Fear of Social Interaction

It took me an hour to ejaculate, but the results were worth it.

3

Patient Review

7/28/2016

Paxil Cr for Anxiousness associated with Depression

Though this medication helped me, I was still anxious. My doctor decided to switch me to Wellbutrin, but that turned out to be a mistake. I got very sick from it and had to withdraw from the Paxil. Be careful when changing medications!

3

Patient Review

9/6/2018

Paxil Cr for Extreme Apprehension or Fear of Social Interaction

I was convinced to take an SSRI in high school but Paxil had very little effect. The worst part was that it interfered with my sex life; I could barely ejaculate!

2.3

Patient Review

1/25/2015

Paxil Cr for Repeated Episodes of Anxiety

I've tried a lot of different antidepressants and, by far, Paxil was the worst experience. I constantly got migraines (even though I'd never had them before), slept for 16 hours a day, and couldn't focus or function when I was awake because of the headaches. There are so many better options out there than this one.

2

Patient Review

4/15/2014

Paxil Cr for Bipolar Depression

I found myself feeling really hyper one day, and then really down the next.
image of drug pills surrounding a glass of water symbolizing drug consumption

Patient Q&A Section about paxil cr

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is Paxil CR used for?

"Paroxetine is a medication used to treat various forms of mental illness. These include depression, anxiety, panic attacks, and a severe form of premenstrual syndrome known as premenstrual dysphoric disorder. The drug works by correcting imbalances of the neurotransmitter serotonin in the brain."

Answered by AI

How long does it take for Paxil CR to work?

"In the first week or two, you may see some improvement in your sleep, energy levels, or appetite. This can be a good sign that the medication is working. However, it can take up to eight weeks for your mood and interest in activities to fully improve."

Answered by AI

Whats the difference between Paxil and Paxil CR?

"Paxil is a prescription medication that is used to treat depression, anxiety disorders, and other serious mental health problems. The medication is manufactured by GlaxoSmithKline and was the first medication to be approved for the treatment of social anxiety disorder (SAD). Paxil CR is the longer-acting, controlled-release version of the medication."

Answered by AI

What does the CR stand for in Paxil CR?

"Paxil and Paxil CR are indicated for the treatment of major depressive disorder, panic disorder and obsessive-compulsive disorder. Paxil was approved in May 1996."

Answered by AI

Clinical Trials for Paxil Cr

Image of University of Colorado Anschutz Medical Campus in Aurora, United States.

Senseye Diagnostic Tool for Post-Traumatic Stress Disorder

18+
All Sexes
Aurora, CO

The goal of the REVEAL PTSD study is to test how well the Senseye DT works as a diagnostic test for Post-traumatic Stress Disorder (PTSD) in adults 18 and older who are experiencing one or more symptoms that might be related to PTSD. The Senseye DT is software as a medical device (SaMD) and is an iPhone app that administers a series of simple tasks on the phone while recording video during the tasks through the front-facing camera. The videos are analyzed by a a Machine Learning (ML) algorithm to identify physiologic signals that might be indicative of PTSD. Data collected in this study will be used to train and tune the ML algorithm, then test it for accuracy. The main questions this study aims to answer are: 1. How accurate is the Senseye DT in detecting PTSD compared to structured clinical interviews, the current clinical standard for diagnostic testing? 2. How accurately does the Senseye DT predict PTSD severity? 3. How fast is the Senseye DT to use compared to structured clinical interviews? Participants will attend a virtual screening visit via video call to determine eligibility and consent to participate. Once enrolled, participants will attend 2 or 3 additional study visits: * Visit 1: A virtual visit where standard mental health assessments will be given by clinical raters trained in mental health and administering these structured clinical interviews. These assessments include the Structured Interview Guide for the Montgomery-Asburg Depression Rating Scale (SIGMA), the Structured Interview Guide for the Hamilton Anxiety Scale (SIGH-A), and the MINI International Neurodiagnostic Interview. The Clinician-Administered PTSD Scale for DSM-5 Revised Version (CAPS-5-R) may also be conducted, if randomly selected. * Visit 2: A visit to use the Senseye DT. For participants near one of the study's physical site locations, this visit will be done in person at the site. For all others, this visit will be conducted virtually. * Visit 3: For participants not randomly selected to have the CAPS-5-R administered at Visit 1, a third and final visit will be scheduled for this assessment. This visit will be conducted virtually. The total expected participation time for enrolled participants is 6-7 hours over the course of 2-3 weeks.

Phase 3
Waitlist Available

University of Colorado Anschutz Medical Campus (+3 Sites)

Senseye, Inc.

Image of University of Rochester Medical Center in Rochester, United States.

Deaf CBT-TS for Suicide Risk

18+
All Sexes
Rochester, NY

The goal of this clinical trial is to learn if a short, Zoom-based intervention, Cognitive Behavioral Therapy for Treatment-Seeking for Deaf Individuals (Deaf CBT-TS) can change beliefs about mental health treatment and increase treatment-seeking behaviors in Deaf adults with untreated mental health or alcohol use problems. It will also see if Deaf CBT-TS may reduce suicide risk and explore factors that may increase the effectiveness of Deaf CBT-TS. The main questions it aims to answer are: * Does Deaf CBT-TS increase positive beliefs about treatment and increase treatment-seeking behaviors? * Does Deaf CBT-TS increase hope and reduce mental health symptoms, suicide ideation, and alcohol use? * Is Deaf CBT-TS more effective for individuals with less cultural stress compared to those with high levels of cultural stress? * Is Deaf CBT-TS more effective for Deaf individuals in residential areas with more Deaf resources than those with less Deaf resources? Researchers will compare individuals who complete Deaf CBT-TS to those on a waitlist to see if Deaf CBT-TS works to increase positive beliefs about treatment and treatment-seeking behaviors. Participants will: * Complete a baseline assessment including demographic information, measures of hope, general mental health and functioning, alcohol use, suicide ideation, cultural stress, and beliefs about treatment. * Receive Deaf CBT-TS (2 sessions) or be placed on a waitlist with the option of receiving Deaf CBT-Ts after 4 months * Complete two follow-up assessments in 2 and 4 months.

Waitlist Available
Has No Placebo

University of Rochester Medical Center

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Psychotherapy for Depression

18 - 65
Female
Hamilton, Canada

The RESPOND trial explores the link between early life adversity and later life depressive symptoms. The investigators have designed a new psychological therapy tailored to address the symptoms that can be caused by difficult experiences in early life. These symptoms include low mood, emotional dysregulation, and distressing thoughts and beliefs related to difficult or traumatic experiences. The investigators would like to see if this new therapy helps people feel better. The investigators are also studying the biological changes that can occur as a result of early life adversity, and how this therapy may influence those changes. To do this, The investigators ask questions about participants' physical and mental health and take blood samples.

Recruiting
Has No Placebo

St. Joseph's Healthcare Hamilton

Sheryl Green, PhD

Image of Stanford Digestive Health Clinic in Redwood City, United States.

MITI-001 for Irritable Bowel Syndrome

18 - 65
All Sexes
Redwood City, CA

While the pathophysiology of diarrhea-predominant irritable bowel syndrome (IBS-D) is complex and heterogeneous, dysbiosis of the gut microbiome is frequently observed, suggesting that a substantial subset of patients with irritable bowel syndrome (IBS) have symptoms that are initiated and/or perpetuated by a microbiome dysfunction. Successful randomized controlled trials (RCT) for IBS-D (Ford 2018; Black 2022) leveraging microbiome-targeted therapies (antibiotics or low microbiome fermentation diets) suggest the gut microbiome is at least partially involved in IBS symptoms. Furthermore, fecal microbiota transplantation (FMT) for patients with IBS-D has demonstrated promising results (El-Salhy 2020), supporting the possibility that altering the microbiome composition could ameliorate IBS-D symptoms. MITI-001 is a transplantable gut bacterial community composed of 157 live bacterial strains, encompassing 79 genera of commensal bacteria, that have been isolated from healthy donor stool, purified, and banked. The hypothesis of the proposed research is that MITI-001 can target the pathophysiologic lesion in a subset of IBS-D patients, restore the altered microbial metabolic process, and thus alleviate IBS-D symptoms.

Phase < 1
Waitlist Available

Stanford Digestive Health Clinic (+1 Sites)

Sean P Spencer, MD, PhD

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Stepped Care Treatment for Anxiety

7 - 17
All Sexes
Houston, TX

Childhood anxiety disorders (CAD) are common and impairing. Family based cognitive behavioral therapy (CBT) is efficacious in treating CAD. Yet, many children do not receive care due to barriers such as limited provider availably, high treatment costs, and constrained family resources (e.g., time). To combat these barriers, other treatment methods have been developed. The stepped care treatment models maximize resources by providing low-intensity, low-cost interventions as a first time treatment, while stepping up care for those needing more intensive treatment. Specifically, a stepped care model for CAD that begins with a parent-focus intervention has great promise to deliver efficacious and cost-effective treatment without having to engage the child. While stepped care approaches show promise in treating CAD with comparable efficacy to standard CBT, there remains a large research-to-practice gap. The stepped care model for CAD that begins with a parent-focused intervention has yet been explored, and very little is known about intervention mediators that explain mechanisms of change. This research is being done to improve the reach and quality of services using a stepped care model, offering an affordable and practical solution to the widespread gap in youth mental health care.

Waitlist Available
Has No Placebo

Baylor College of Medicine

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Cognitive Rehabilitation for Anger in TBI and PTSD

18+
All Sexes
Durham, NC

This randomized clinical trial will enroll 100 Veteran-family/friend dyads to test the efficacy of CALM in treating anger in TBI and PTSD. The investigators hypothesize that compared to an active control group, Veterans randomized to the CALM group will demonstrate: * Significantly larger decreases in anger dysregulation, impulsivity, and executive dysfunction. * Significantly larger improvements in social and adaptive functioning including less aggression. * Significantly larger reduction in PTSD symptoms and suicidal ideation. The study targets Veterans who experience difficulties with anger and impulsivity due to TBI and PTSD. These issues are common, with up to 38% of Veterans with TBI also having PTSD. These conditions often make it challenging for Veterans to control their emotions and interact successfully in social and work settings. Our research will test the CALM (Cognitive Applications for Life Management) mobile app, which helps Veterans manage their goals, remember important tasks, and improve their attention. Initial tests of CALM have shown it can reduce levels of anger and related issues in Veterans. The investigators will conduct a study with 100 pairings of Veterans and a family member or friend. These pairs will be randomly assigned to one of two groups: one using the CALM mobile platform and the other receiving brain health education. Both groups will use their assigned intervention for three months and will receive support through videoconference calls at the beginning, middle, and end of the program.

Waitlist Available
Has No Placebo

Duke University School of Medicine

Eric Elbogen

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