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Efficacy Study Comparing Compounded Topical Pain Creams vs. Placebo for Treating Pain Symptoms

Walter Reed National Military Medical Center logo

Walter Reed National Military Medical Center

Status and phase

Completed
Phase 3

Conditions

Pain

Treatments

Other: Neuropathic pain cream
Other: Mixed pain cream
Other: Nociceptive pain cream

Study type

Interventional

Funder types

Other U.S. Federal agency

Identifiers

NCT02497066
#412770-2

Details and patient eligibility

About

The main objective of this protocol is to determine the effectiveness of using compounded topical pain creams for treating neuropathic, nociceptive, or mixed-pain syndromes. Since these compounded pain creams may be associated with burning or irritation at the application site, and possible systemic effects may present, the secondary objective is to determine the relative satisfaction with the creams. The investigators hypothesis is that the active pain creams may provide significant benefit compared to placebo cream.

3.1 Specific Aims

  1. Specific Aim 1 will determine pain relief following treatment with the appropriate (based on specified pain) compounded topical pain cream or a placebo cream. The investigators hypothesis is that the compounded topical pain creams will provide greater pain relief than placebo creams.
  2. Specific Aim 2 will measure the patient satisfaction with the cream (compound or placebo). The investigators hypothesis is that the compounded topical pain creams will improve patient satisfaction, while the placebo cream will not result in a change in patient satisfaction with their pain treatment.

Full description

In this study, the investigators are attempting to determine whether compounded topical pain creams are more effective than placebo; as well as measuring the subjects' satisfaction with the compounded pain creams. Three different compounded pain creams (specific to the type of pain being treated) will be used to examine effectiveness and satisfaction in treating neuropathic, nociceptive, or mixed pain syndromes. Up to 399 subjects will be randomized to receive a compounded pain cream or placebo. The type of pain cream to be used will be based on the subjects' pain diagnosis. Pain relief will be measured by a 0-10 Numeric Rating Scale and satisfaction by a 1-5 Likert Satisfaction Scale. The outcome measures will include a 'positive outcome' defined as a two point or greater reduction in average pain (as measured by a NRS) and a score of greater than 3 (on a 1-5 Likert scale measuring satisfaction) at 1-month. The investigators will use the Rand Corporation SF-36 to measure changes in health status during enrollment. Subjects who obtain benefit at 1-month will be followed at 3-months, while those who fail to obtain benefit (i.e., ≥ 2 point reduction in NRS with a greater than 3 Likert satisfaction score) will exit the study to receive alternative care. Patients will be given a pain diary so that their NRS can be calculated at follow up visits.

Enrollment

399 patients

Sex

All

Ages

18 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Age > 18;-90
  2. A localized pain complaint to include: the back, neck, face, groin, buttocks, abdomen, chest, or up to two extremities
  3. Average pain score ≥ 4/10 over the past week;
  4. Pain duration > 6 weeks
  5. DEERS eligibility.

Exclusion criteria

  1. Previous prescription for a compounded pain cream.
  2. Cannot read or understand English.
  3. Allergic reaction to Ketamine, Gabapentin, Diclofenac, Baclofen, Cyclobenzaprine, Ketoprofen, Clonidine or lidocaine.
  4. Pregnancy. Ruling out pregnancy will be done in accordance with our standard procedures, which is to obtain a urine HCG in any female of child-bearing age who may be pregnant prior to starting any new medications.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

399 participants in 3 patient groups, including a placebo group

Neuropathic Pain
Placebo Comparator group
Description:
Subjects with neuropathic pain will receive a neuropathic pain cream combined of Ketamine 10%/Gabapentin 6%/Clonidine 0.2% and Lidocaine 2% or placebo. They will be told to use the pain cream 3 times per day. Each will receive cream in identical dispensers. Cream is dispensed by rotating the base of the device and each rotation also produces a clicking sound. The number of clicks will be standardized so that all doctors utilize the same prescription depending on the size of the patient's pain location.
Treatment:
Other: Neuropathic pain cream
Nociceptive pain
Placebo Comparator group
Description:
Subjects with nociceptive pain will receive a nociceptive pain cream combined of Ketoprofen 10%/Baclofen 2%/Cyclobenzaprine 2% and Lidocaine 2% or placebo. They will be told to use the pain cream 3 times per day. Each will receive cream in identical dispensers. Cream is dispensed by rotating the base of the device and each rotation also produces a clicking sound. The number of clicks will be standardized so that all doctors utilize the same prescription depending on the size of the patient's pain location.
Treatment:
Other: Nociceptive pain cream
Mixed pain
Placebo Comparator group
Description:
Subjects who have a mixed (nociceptive and neuropathic) pain conditions will receive a mixed pain cream combined of Ketamine 10%/Gabapentin 6%/Diclofenac 3%/baclofen 2%/Cyclobenzaprine 2% and Lidocaine 2% or placebo. They will be told to use the pain cream 3 times per day. Each will receive cream in identical dispensers. Cream is dispensed by rotating the base of the device and each rotation also produces a clicking sound. The number of clicks will be standardized so that all doctors utilize the same prescription depending on the size of the patient's pain location.
Treatment:
Other: Mixed pain cream

Trial contacts and locations

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Data sourced from clinicaltrials.gov

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