Darvon

Chronic Pain

Treatment

2 FDA approvals

20 Active Studies for Darvon

What is Darvon

Dextropropoxyphene

The Generic name of this drug

Treatment Summary

Dextropropoxyphene is an opioid pain reliever that was manufactured by Eli Lilly and Company. It had been used to treat mild pain, but it was eventually removed from the market due to the risk of cardiac arrhythmias and overdose. Dextropropoxyphene is the only form of propoxyphene that has any pain-relieving effects, whereas the levo-isomer only has a limited effect on coughs.

Propoxyphene

is the brand name

image of different drug pills on a surface

Darvon Overview & Background

Brand Name

Generic Name

First FDA Approval

How many FDA approvals?

Propoxyphene

Dextropropoxyphene

1973

64

Approved as Treatment by the FDA

Dextropropoxyphene, also known as Propoxyphene, is approved by the FDA for 2 uses like Chronic Pain and Pain .

Chronic Pain

Helps manage Pain

Pain

Helps manage Pain

Effectiveness

How Darvon Affects Patients

Propoxyphene is a synthetic drug similar to methadone. It works by attaching to the same receptors in the brain as opiates, which makes a person feel less pain. Propoxyphene does not help reduce coughing or fever.

How Darvon works in the body

Propoxyphene works by interacting with special receptors in the brain and central nervous system. These receptors, called OP1, OP2, and OP3, help regulate pain signals in the body. Propoxyphene primarily affects OP3 receptors, which help decrease the activity of certain nerve cells, preventing them from sending pain signals. This helps to reduce pain and discomfort. Propoxyphene also affects other receptors which help to reduce the release of certain neurotransmitters, including substances that are involved in inflammation and stress. Finally, Propoxyphene helps reduce neuronal excitability by closing certain voltage-operated calcium channels and opening others,

When to interrupt dosage

The advocated dose of Darvon is contingent upon the diagnosed condition. The magnitude of dosage is also dependent on the technique of administration outlined in the table below.

Condition

Dosage

Administration

Chronic Pain

, 65.0 mg, 100.0 mg, 50.0 mg

, Oral, Tablet, film coated, Tablet, film coated - Oral, Capsule, Capsule - Oral, Tablet - Oral, Tablet

Warnings

Darvon has five contraindications, so it should not be ingested while struggling with any of the conditions enumerated in the subsequent table.

Darvon Contraindications

Condition

Risk Level

Notes

Hypercarbia

Do Not Combine

Asthma

Do Not Combine

Mental Depression

Do Not Combine

Intestinal Pseudo-Obstruction

Do Not Combine

Asthma

Do Not Combine

There are 20 known major drug interactions with Darvon.

Common Darvon Drug Interactions

Drug Name

Risk Level

Description

7,8-Dichloro-1,2,3,4-tetrahydroisoquinoline

Major

The risk or severity of adverse effects can be increased when Dextropropoxyphene is combined with 7,8-Dichloro-1,2,3,4-tetrahydroisoquinoline.

Abemaciclib

Major

The metabolism of Abemaciclib can be decreased when combined with Dextropropoxyphene.

Acalabrutinib

Major

The metabolism of Acalabrutinib can be decreased when combined with Dextropropoxyphene.

Alectinib

Major

The metabolism of Alectinib can be decreased when combined with Dextropropoxyphene.

Alpelisib

Major

The metabolism of Alpelisib can be decreased when combined with Dextropropoxyphene.

Darvon Toxicity & Overdose Risk

Symptoms of propoxyphene overdose include falling into a coma, slowed breathing, low blood pressure, and a buildup of fluid in the lungs. Seizures are also more common in patients who have overdosed on propoxyphene than on other opioids. The lowest toxic dose of propoxyphene in rats has been found to be 230mg/kg when taken orally.

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

Darvon Novel Uses: Which Conditions Have a Clinical Trial Featuring Darvon?

A total of 172 active trials are currently being conducted to assess the potential of Darvon in managing Chronic Pain.

Condition

Clinical Trials

Trial Phases

Chronic Pain

128 Actively Recruiting

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

Darvon Reviews: What are patients saying about Darvon?

5

Patient Review

11/23/2010

Darvon for Pain

This treatment really helps with my lower back pain. It's the only thing that has been effective for my headaches as well.

5

Patient Review

2/22/2014

Darvon for Pain

This treatment is effective.

5

Patient Review

10/12/2010

Darvon for Pain

Unfortunately, this medication did not do much for me. I have a lot of back problems and this didn't help alleviate any pain.

4.7

Patient Review

9/1/2009

Darvon for Pain

Darvon 65 capsules unfortunately did nothing to relieve the pain I experience in my lower back.

4.3

Patient Review

11/5/2011

Darvon for Pain

This drug is great. It really helped me.

3.7

Patient Review

6/6/2010

Darvon for Pain

The primary effect I experienced while taking this medication was intense hallucinations. It provided very little pain relief, which is why I was prescribed it in the first place. I quickly returned it to my surgeon and got a replacement within the week.

3

Patient Review

4/6/2010

Darvon for Pain

I took this medication for knee and hip pain, but it barely did anything. I accidentally took two pills, and there was still no significant change. The only side effects I felt were flushness and slight dizziness.

3

Patient Review

2/1/2011

Darvon for Osteoporosis

Unfortunately, this medication severely impairs my vision to the point where I can't read. Additionally, it gives me excruciating abdominal pain that feels like cramps but much worse.

3

Patient Review

2/3/2011

Darvon for Osteoporosis

This drug is effective. I'm grateful for modern medicine.

3

Patient Review

2/3/2011

Darvon for Osteoporosis

This drug is great. It really helped me.

3

Patient Review

2/4/2011

Darvon for Osteoporosis

This drug is effective. I'm grateful for modern medicine.

3

Patient Review

2/4/2011

Darvon for Osteoporosis

This drug is great. I'm grateful for modern medicine.

3

Patient Review

9/8/2010

Darvon for Pain

I'm not comfortable recommending this drug to anyone after my cousin died from an overdose.

1.7

Patient Review

6/17/2009

Darvon for Pain

1.3

Patient Review

12/24/2009

Darvon for Pain

I use this to manage my chronic pain from spinal issues, fibromyalgia, and it works better for me than Oxycontin did.

1

Patient Review

7/5/2010

Darvon for Pain

Roxicodone 30 mg blue tablets have been the most effective treatment for my back problems. I would highly recommend them to anyone with similar issues.

1

Patient Review

11/26/2010

Darvon for Pain

I've been taking Darvon for migraines for over 50 years. It's not a cure-all, but it does help significantly reduce the pain most of the time. I take oxycodone when the pain is really bad, but that comes with its own set of problems. People need to be more careful and understand how their bodies react to drugs before taking them.
image of drug pills surrounding a glass of water symbolizing drug consumption

Patient Q&A Section about darvon

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

Is Darvon still prescribed?

"As of today, propoxyphene-containing products are no longer available in America after the FDA concluded that the risks associated with propoxyphene outweigh the benefits."

Answered by AI

What is the generic name for Darvon?

"Darvon is a drug that is used to treat mild to moderate pain. It is classified as a narcotic, which is a type of drug that is derived from the opium poppy."

Answered by AI

What is difference between Darvon and Darvocet?

"The FDA has ordered Xanodyne to conduct a safety study which has prompted the agency's decision to remove Darvon from the market. This is due to Darvon only containing propoxyphene as an active ingredient, whereas Darvocet combines it with acetaminophen."

Answered by AI

Why was Darvon taken off the market?

"The FDA withdrew Darvon and Darvocet from the market after a study found that the drugs put patients at risk of arrhythmias, or heart rhythm abnormalities. The FDA decided that the risks of the drugs were greater than their benefits to patients suffering from mild to moderate pain."

Answered by AI

Clinical Trials for Darvon

Image of Ohio State University in Columbus, United States.

Alcohol for Opioid Use Disorder

21 - 65
All Sexes
Columbus, OH

The goal of this clinical trial is to examine whether individuals with co-occurring opioid use disorder and alcohol use (OUD+ALC) experience heightened pain sensitivity, pain-related negative affect, and greater alcohol reinforcement compared with alcohol-only (ALC) or opioid-only (OUD-ALC) users. The main questions it aims to answer are: * Aim 1. Do individuals with OUD+ALC experience increased pain and pain-related negative affect during periods of sobriety relative to mono-users of alcohol (ALC only) and opioids (OUD-ALC)? * Aim 2. Do individuals with OUD+ALC experience greater alcohol-induced analgesia and alcohol reinforcement compared with mono-users of alcohol (ALC only) and opioids (OUD-ALC)? Participants will: * Complete a screening session * Complete one lab session including a comprehensive assessment battery involving multimodal assessments of pain during sobriety * Complete two experimental lab sessions that will include intravenous (IV) administration of either 80mg% alcohol or placebo (saline), order counterbalanced, to measure alcohol's acute effects on pain and pain-related negative affect

Phase < 1
Waitlist Available

Ohio State University

Image of Northwell health physician partners in Bay Shore, United States.

Lidocaine Injection vs Saline for Pain Management

18+
Female
Bay Shore, NY

We are doing this study to find the best way to manage pain during a procedure called urethral bulking. This procedure treats urine leakage that happens with coughing, laughing, sneezing, or physical activity. It works by injecting a gel-like substance around the urethra (the tube that urine comes out of) to help it stay closed when it should. We use a numbing gel (called lidocaine jelly) inside the urethra to help with pain during the procedure. In this study, we will also be administering lidocaine (numbing medication) injected around the urethra or a saline placebo (medical grade saltwater) injection, which has no numbing effect. A placebo is something that looks like a real treatment but doesn't have any medical effect. Both the lidocaine and the saline would be injected around the urethra using a small needle, and we'll compare how well they work at reducing pain.

Phase 4
Recruiting

Northwell health physician partners (+2 Sites)

Image of Endeavor Health/NorthShore in Skokie, United States.

Tranexamic Acid for Anterior Cruciate Ligament Injury

14 - 25
All Sexes
Skokie, IL

The goal of this clinical trial is to learn whether taking oral tranexamic acid (TXA) for one week after anterior cruciate ligament (ACL) reconstruction improves recovery in adolescents and young adults aged 14 to 25 years. All participants receive standard intravenous TXA during surgery. The main questions it aims to answer are: * Does oral TXA lower knee pain at 2 weeks after surgery? * Does oral TXA reduce the amount of opioid pain medicine used in the first 2 weeks? * Does oral TXA improve knee range of motion at 2 weeks? Researchers will compare oral TXA to a placebo (a look-alike capsule with no active drug) to see if oral TXA improves pain, opioid use, motion, strength, knee function, and return to sport. Participants will: * Take 3 capsules (oral TXA or placebo) once a day for the first 8 days after surgery (day of surgery through day 7) * Keep a home diary for 2 weeks recording pain scores, opioid pills taken and any side effects * Return for study visits at 2 weeks, 6 weeks, 12 weeks, 6 months, 9 months and 1 year for pain, motion, strength and function testing * Complete a survey at 2 years

Phase 3
Waitlist Available

Endeavor Health/NorthShore (+5 Sites)

Have you considered Darvon clinical trials?

We made a collection of clinical trials featuring Darvon, we think they might fit your search criteria.
Go to Trials
Image of Texas A&M University-Corpus Christi in Corpus Christi, United States.

Auricular Point Acupressure for Pain Management

18+
All Sexes
Corpus Christi, TX

The goal of this pilot clinical trial is to learn whether auricular point acupressure (APA) can help reduce chronic musculoskeletal pain in adults age 50 and older who are living with HIV. The study will also examine whether APA is feasible, acceptable, and safe for this population. The main questions it aims to answer are: Does APA reduce chronic musculoskeletal pain and improve sleep and quality of life? Is APA feasible, acceptable, and safe for older people living with HIV? Researchers will compare true APA, in which small seeds are taped to specific ear points related to pain, with sham APA, in which seeds are taped to ear points not related to pain. The intervention will last 4 weeks. Participants will: Receive true APA or sham APA for 4 weeks Visit the study site weekly for placement of the ear seeds Press the ear seeds for 3 minutes, 3 times each day Complete daily surveys about pain and pain medication use Use a sleep monitor to track sleep Complete study assessments at the beginning and end of the intervention Complete an exit interview about their experience with APA

Waitlist Available
Senior-friendly

Texas A&M University-Corpus Christi

Image of University of Alabama at Birmingham in Birmingham, United States.

Cancer Pain 101 for Cancer Pain

18+
All Sexes
Birmingham, AL

This is a Stage 1 study of a behavioral intervention, which means that a new intervention is being pilot tested to understand whether it is acceptable and feasible for people with advanced cancer to use. The purpose of this study is to evaluate whether a series of 3 10-minute videos may help improve prescription opioid pain management and opioid stigma for people living with advanced cancer. Approximately 45 participants will take part in this study at the University of Alabama at Birmingham. People who choose to participate in this study will complete a series of baseline questionnaires, and then will be randomized to one of two groups: 1) the group that gets the video intervention, or 2) the group that gets a written handout with information about cancer pain. About 4 weeks later, all participants will also be asked to fill out another series of questionnaires.

Waitlist Available
Has No Placebo

University of Alabama at Birmingham

Hailey W Bulls, PhD

Image of M Health Fairview Clinic - Oxboro in Minneapolis, United States.

TENS and Vibration for Procedural Pain

18+
All Sexes
Minneapolis, MN

The E-MOHS Trial is a randomized controlled trial evaluating whether active vibration plus transcutaneous electrical nerve stimulation reduces pain during local anesthetic infiltration in adults undergoing Mohs micrographic surgery or dermatologic excision. Participants will be randomized to active vibration:TENS or sham TENS during the first local anesthetic administration. The primary outcome is patient-reported infiltration pain during active local anesthetic infiltration, measured using the 11-point Numeric Rating Scale. Secondary outcomes include infiltration pain measured using a Visual Analog Scale, perioperative anxiety, participant satisfaction, willingness to reuse the device, operator-rated ease of use and sterile-field compatibility, blinding integrity, and adverse events.

Waitlist Available
Background Therapy Allowed

M Health Fairview Clinic - Oxboro (+3 Sites)

Ian Maher, MD

Have you considered Darvon clinical trials?

We made a collection of clinical trials featuring Darvon, we think they might fit your search criteria.
Go to Trials
Image of Stephenson Cancer Center - Tulsa Location in Tulsa, United States.

Empowered Relief for Pain in Cancer

18+
All Sexes
Tulsa, OK

This project will evaluate the feasibility and acceptability of Empowered Relief (ER) among American Indian adults who are currently receiving or have completed active cancer treatments at Stephenson Cancer Center (SCC). ER is a single-session, Zoom-based, 2-hour, skills-based pain management class delivered by certified instructors. Participants learn three core pain relief skills, develop a personalized plan, and receive access to a free binaural audio app for daily practice. ER has demonstrated moderate efficacy in individuals with chronic non-cancer pain, reducing pain intensity, pain interference, pain-related distress (pain catastrophizing), sleep disturbance, and anxiety at 3 and 6 months post-treatment. Because of its brief, didactic nature and Zoom delivery, ER can accommodate large class sizes and may address accessibility disparities among underserved cancer populations. While ER is being studied across various non-cancer populations and has been adopted as standard of care in leading healthcare institutions in the U.S. and abroad, it has not been tested in American Indians with cancer.

Waitlist Available
Has No Placebo

Stephenson Cancer Center - Tulsa Location

Sophia You

Image of Memorial Hermann Memorial City Medical Center in Houston, United States.

Lavender-Sandalwood Aromatherapy for C-Section Recovery

18+
Female
Houston, TX

The purpose of this randomized controlled study is to explore whether lavender sandalwood aromatherapy can support comfort, mood, pain relief, and overall satisfaction for participants recovering from a scheduled cesarean section without complications. The main questions this study aims to answer are: * How does lavender sandalwood aromatherapy affect participants' mood during postpartum recovery after a cesarean section? * Does lavender sandalwood aromatherapy help reduce pain during recovery? * Does lavender sandalwood aromatherapy improve participants' overall satisfaction with their recovery experience? Researchers will compare participants who receive lavender-sandalwood aromatherapy with those who do not to determine whether it improves mood, reduces pain, and enhances patient satisfaction. Participants will be asked to: * Wear aromatherapy tabs on their gown for 24 hours. * Have the aromatherapy tabs applied 24 hours after the cesarean section and removed 48 hours after the cesarean section. * Complete surveys at 24 hours and 48 hours after the cesarean section. This will apply to both the control and intervention groups.

Waitlist Available
Has No Placebo

Memorial Hermann Memorial City Medical Center

Have you considered Darvon clinical trials?

We made a collection of clinical trials featuring Darvon, we think they might fit your search criteria.
Go to Trials