Randomized, Double-blind Study to Assess the Efficacy and Safety of α-lipoic Acid Versus BK-C-0701 in Subjects With Diabetic Neuropathy

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01261143
Recruitment Status : Completed
First Posted : December 16, 2010
Last Update Posted : April 25, 2012
Information provided by:
Bukwang Pharmaceutical

Brief Summary:

The purpose of this study is to determine the:

Primary end point

  • change of Total symptom score

Secondary end point

  • neurological test

Condition or disease Intervention/treatment Phase
Diabetic Neuropathies Drug: BK-C-0701 Phase 3

Detailed Description:
total symptom score shall be calculated from the data of burning, numbness, stabbing pain, paraesthesiae.

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 164 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Phase III Randomized, Double-blind Study to Assess the Efficacy and Safety of α-lipoic Acid Versus BK-C-0701 in Subjects With Diabetic Neuropathy
Study Start Date : August 2010
Actual Primary Completion Date : April 2012

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: BK-C-0701, diabetic neuropathy Drug: BK-C-0701
tablet, 8 weeks

Active Comparator: alpha lipoic acid, diabetic neuropathy, capsule Drug: BK-C-0701
tablet, 8 weeks

Primary Outcome Measures :
  1. TSS [ Time Frame: 8 weeks ]

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Ages Eligible for Study:   19 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Diabetes mellitus (Type I or II), as defined by the American Diabetes Association, 1997, lasting 1 year and is well-controlled.
  • Patient with symmetric sensory-motor Diabetic Neuropathy which is above stage 2
  • Result of pin-prick test is 'absent' or 'reduced'
  • HbA1C <10%
  • Total Symptom Score ≥ 4 points
  • At least 1 of the 4 symptoms of the TSS must have occurred continuously over the last 3 months.
  • Patient over 19 years of age
  • Female who is postmenopausal or is willing to use an effective method of contraception during the study (Effective method=IUD, spermicide with condom, abstinence) or is surgically sterile (underwent a total hysterectomy or bilateral tubal ligation).

Exclusion Criteria:

  • Patient who has Proximal asymmetric neuropathy, cranial neuropathies, truncal radiculopathy, diabetic plexopathies, acute or active mononeuropathies (cranial neuropathies, post-herpes neuralgias)
  • Patient who has Neuropathy from alcohol, drug (cisplatin, taxol , etcs), malignant cancer or has a medical history of nerve system disease such as Parkinson's disease/ epilepsy/ Multiple sclerosis, etcs.
  • Patient who has nerve system disease which can cause sensory loss Myopathy of any cause.
  • Peripheral vascular disease severe enough to cause ischemic ulcers or limb ischemia.
  • Patients with diabetic proliferating retinopathy requiring immediately therapy and impending blindness.
  • Patients with any active neoplastic disease except benign tumor or nonrecurrent malignant tumor for 5 years.
  • Patients with clinically significant cardiac, pulmonary, gastrointestinal, haematological, or endocrine disease that may confound interpretation of the study results or prevent the patient from completing the study.
  • Patients with atrial fibrillation.
  • Patients who have had organ transplants of any kind.
  • Patients with significant hepatic or renal disease (AST, ALT or GGT >2 times normal, serum creatinine >1.8 mg/dL (>159 mmol/l) for males or >1.6 mg/dL (>141 mmol/l) for females).
  • Patients with a recent history (within last 12 months) of drug or alcohol abuse.
  • Use of any investigational drug (participation in a clinical trial) within last 1 month.
  • History of severe or anaphylactic reaction to drugs, sulfur or biologic products.
  • Recent (within last 3 months) ketoacidosis or hypoglycaemia, necessitating hospital admission.
  • Existing foot ulcers.
  • Pregnant or lactating females
  • History of allergic reaction to the study medication or its excipients.
  • Psychiatric, psychological, or behavioural symptoms that would interfere with the patient's ability to participate in the trial.
  • Patient who is not suitable to trial by investigator judgment.
  • Patient who does not write informed consent prior to start of trial and cannot comply with the trial requirements.
  • Antioxidant therapy (vitamins E > 400 IU, C > 200 mg, and beta-Carotene > 30 mg) or pentoxyphylline within last 1 month before start of trial.
  • Use of thioctic acid (> 50 mg), evening primrose oil or any other gamma-linolenic acid containing substance within the last 3 months.
  • Use of analgesic within >5times of a half-life before administration of investigational medication.
  • Use of anticonvulsants(include Pregabalin), antidepressants within 4 weeks before administration of investigational medication.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01261143

Korea, Republic of
Kyung soo Ko
Seoul, Korea, Republic of
Sponsors and Collaborators
Bukwang Pharmaceutical

Responsible Party: Hunjun Jang, bukwang Identifier: NCT01261143     History of Changes
Other Study ID Numbers: BK-C-0701-301
First Posted: December 16, 2010    Key Record Dates
Last Update Posted: April 25, 2012
Last Verified: October 2011

Additional relevant MeSH terms:
Diabetic Neuropathies
Peripheral Nervous System Diseases
Neuromuscular Diseases
Nervous System Diseases
Diabetes Complications
Diabetes Mellitus
Endocrine System Diseases
Thioctic Acid
Molecular Mechanisms of Pharmacological Action
Protective Agents
Physiological Effects of Drugs
Vitamin B Complex
Growth Substances