The pharmaceutical group also said it would stop paying doctors to promote its products at speaking engagements and providing direct financial support to health care professionals to attend medical conferences. However, it left open the possibility of funding through grants.
"It is patients' interests that always come first," Andrew Witty, the company's chief executive, insisted. "We recognise that we have an important role to play in providing doctors with information about our medicines, but this must be done clearly, transparently and without any perception of conflict of interest."
Chinese police allege that four employees paid bribes to doctors to encourage them to prescribe medications.
The company has also faced issues in the United States. It has paid USD 3 billion and pleaded guilty to promoting two drugs for unapproved uses and failing to disclose important safety information on a third.
More From This Section
The criminal case was accompanied by a civil settlement in which the government said the company's improper marketing included providing doctors with European hunting trips, high-paid speaking tours and even tickets to a Madonna concert.
Health care advocates welcomed the change in GSK's position, but some, like Tim Reed of Health Action International, said self-regulation remains a big problem in the industry.
"It is like marking your own homework," said Reed, who favours strong state regulation.
Though he did not expect huge changes, Reed said Glaxo's decision may reflect a change of thinking in the industry away from targeting doctors and toward those who pay the bills, like agencies that make recommendations on which drugs to buy.
"It is possible that the role of health care professionals, responsible for writing prescriptions for medicines are becoming of less value to the pharmaceutical industry, in terms of the promotion of products," he said.