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Efficacy and Safety of Diclofenac 1.16% Gel in Subjects With Acute Neck Pain

A Randomized, Double-blind, Placebo-controlled, Multi-center Parallel Group Phase IV Study to Evaluate the Efficacy and Safety of Diclofenac 1.16% Gel in Subjects With Acute Neck Pain

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01335724
Enrollment
72
Registered
2011-04-14
Start date
2011-04-30
Completion date
2011-07-31
Last updated
2012-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neck Pain

Brief summary

The purpose of this study is to evaluate the efficacy and safety of diclofenac 1.16% gel compared with placebo applied four times a day in subjects with acute neck pain.

Interventions

Diclofenac diethylamine 1.16% gel

DRUGPlacebo gel

Placebo gel

Sponsors

Novartis
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Male or female subjects, age range 18 and over. * Patient with acute neck pain meeting baseline pain intensity level and duration

Exclusion criteria

* Pain medication was taken within the 6 hours that precede randomization. * Patient with chronic neck pain as defined as pain for 3 months or longer * Any neck pain that is attributable to any organic disease, such as prolapsed disc, spondylolisthesis, osteomalacia, inflammatory arthritis, metabolic, neurological diseases or tumors. * Any recent strains of the neck muscles documented by the clinical evaluation and anamnesis

Design outcomes

Primary

MeasureTime frameDescription
Pain on Movement48 hPain on movement on a 100 mm visual analog scale. Minimum score =0 mm no pain. Maximum score =100 mm extreme pain.

Secondary

MeasureTime frameDescription
Pain at Rest96hPain at Rest on a 100 mm visual analog scale. Minimum score =0 mm no pain. Maximum score =100 mm extreme pain.
Neck Disability Index96hNeck Disability Index total score. Minimum = 0 Best. Maximum = 50 Worst

Countries

Germany

Participant flow

Participants by arm

ArmCount
Diclofenac Diethylamine 1.16% Gel36
Placebo Gel36
Total72

Baseline characteristics

CharacteristicPlacebo GelDiclofenac Diethylamine 1.16% GelTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
2 Participants0 Participants2 Participants
Age, Categorical
Between 18 and 65 years
34 Participants36 Participants70 Participants
Age Continuous37.8 years
STANDARD_DEVIATION 15.2
29.8 years
STANDARD_DEVIATION 10.5
33.8 years
STANDARD_DEVIATION 13.6
Region of Enrollment
Germany
36 participants36 participants72 participants
Sex: Female, Male
Female
14 Participants19 Participants33 Participants
Sex: Female, Male
Male
22 Participants17 Participants39 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 361 / 36
serious
Total, serious adverse events
0 / 360 / 36

Outcome results

Primary

Pain on Movement

Pain on movement on a 100 mm visual analog scale. Minimum score =0 mm no pain. Maximum score =100 mm extreme pain.

Time frame: 48 h

ArmMeasureValue (MEAN)Dispersion
Diclofenac Diethylamine 1.16% GelPain on Movement19.5 mmStandard Deviation 12.9
Placebo GelPain on Movement56.9 mmStandard Deviation 16.1
Secondary

Neck Disability Index

Neck Disability Index total score. Minimum = 0 Best. Maximum = 50 Worst

Time frame: 96h

ArmMeasureValue (MEAN)Dispersion
Diclofenac Diethylamine 1.16% GelNeck Disability Index2.8 Total ScoreStandard Deviation 3
Placebo GelNeck Disability Index14.6 Total ScoreStandard Deviation 6.8
Secondary

Pain at Rest

Pain at Rest on a 100 mm visual analog scale. Minimum score =0 mm no pain. Maximum score =100 mm extreme pain.

Time frame: 96h

ArmMeasureValue (MEAN)Dispersion
Diclofenac Diethylamine 1.16% GelPain at Rest1.2 mmStandard Deviation 2.9
Placebo GelPain at Rest19.2 mmStandard Deviation 11.9

Source: ClinicalTrials.gov · Data processed: Mar 22, 2026