1 Exhibit 23.01 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS To Quintiles Transnational Corp.: As independent public accountants, we hereby consent to the incorporation of our report included in this Current Report on Form 8-K, into the Company's previously filed Registration Statement Nos. 33-91026 on Form S-8, 333-03603 on Form S-8, 333-16553 on Form S-8, 333-40493 on Form S-8, 333-60797 on Form S-8, 333-19009 on Form S-3, 333-28919 on Form S-3, 333-38181 on Form S-3, 333-40497 on Form S-3, 333-48403 on Form S-3, 333-65743 on Form S-3, and 333-75183 on Form S-8. /s/ ARTHUR ANDERSEN LLP Raleigh, North Carolina July 15, 1999